From patchwork Sun Jan 16 14:52:13 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wells Lu X-Patchwork-Id: 1580465 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: bilbo.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20210112 header.b=VUMcAKRw; dkim-atps=neutral Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=linux-gpio-owner@vger.kernel.org; receiver=) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by bilbo.ozlabs.org (Postfix) with ESMTP id 4JcJ0d3n0Lz9t6S for ; Mon, 17 Jan 2022 01:52:17 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235483AbiAPOwP (ORCPT ); Sun, 16 Jan 2022 09:52:15 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35102 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235479AbiAPOwM (ORCPT ); Sun, 16 Jan 2022 09:52:12 -0500 Received: from mail-pf1-x42a.google.com (mail-pf1-x42a.google.com [IPv6:2607:f8b0:4864:20::42a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C2099C061574; Sun, 16 Jan 2022 06:52:11 -0800 (PST) Received: by mail-pf1-x42a.google.com with SMTP id m21so7437665pfd.3; Sun, 16 Jan 2022 06:52:11 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=ZYv2bzjfzlBd8PkvGF6igRcUgVyHYtpbPlZ/gL3EpWE=; b=VUMcAKRwqP/LlEgAOF03beKu+HlCzyJ/ZRs+U6sAjMXg8zMPGukpmK/Mutw6zQZxaB AeIO5giQ9HnDdPShC9JT0ZpPiS4zeJfwvPhLlwta9bNzoi/eV+2SBYiA8YDZ7jJGPr64 VZWoq+yl2YLq5kzKSCT/WtjrjvT9Sv/AhwrnbqVB/TtKL8ZzyHLT+/ngKklvEwr2pIiW 44APyFxGqLUlvbHazlMqbEZ3hhrMDuyJAuaTvWtWIbGzArfBifRUZGxNvosju8kB04hy FQvwA4IKwfEPBBfAt/ra+3sKo/K2sKC2cwGyL+g2wekeN8hGULE6rGjYtP5SW/Qt4f8b ucUA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=ZYv2bzjfzlBd8PkvGF6igRcUgVyHYtpbPlZ/gL3EpWE=; b=IrOr7gTcmvenMrqiVc1svM/geSFPdwVuuT7KNu7VZroTSHyp1XxpMVrV324qj0Zcuv GarvP6bXdGf1wWn0z4TlFjxIs6m/W8Th6wIea7+ttkgEIFW9W6Vbke0pWEtdGUB7ynj8 qsFvxmXx8NiY0SM2qV3hj98oQO5V542y9/2gJTHEhEQU4mkwe3NfETycFbRnReWmWVGZ LQyUoflN6dDAg6X0u+r+lKCFfmeDlCTD7X3Wpj08o8YI3Xg9Ses5CTn1Imj5iPywkC8X CR36YtZQjLDR/ZlnxUTK1DK2WA9GgkwMAFeMbwHtyIlH31H5u/jooOhpllwH+Hkxp9vg 9CLg== X-Gm-Message-State: AOAM531RrkQlFm+LgwQ6Su5mMRnNEGkf87L2bqGSugHVmCnp6G5pKtTh gwBcLgR0BijcRgaNBhk589Q= X-Google-Smtp-Source: ABdhPJxMdl4NnA6Z7CkfCHaepMQlzSetYWyzONdSBwboVHqfnOK+aqgw86AFJuwE4y6RBYhNEPlyQw== X-Received: by 2002:a63:81c1:: with SMTP id t184mr8253262pgd.251.1642344731127; Sun, 16 Jan 2022 06:52:11 -0800 (PST) Received: from scdiu3.sunplus.com ([113.196.136.192]) by smtp.googlemail.com with ESMTPSA id j22sm11349891pfj.102.2022.01.16.06.52.09 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Sun, 16 Jan 2022 06:52:10 -0800 (PST) From: Wells Lu To: linus.walleij@linaro.org, linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, robh+dt@kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: wells.lu@sunplus.com, dvorkin@tibbo.com, Wells Lu Subject: [PATCH v6 1/2] dt-bindings: pinctrl: Add dt-bindings for Sunplus SP7021 Date: Sun, 16 Jan 2022 22:52:13 +0800 Message-Id: <1642344734-27229-2-git-send-email-wellslutw@gmail.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1642344734-27229-1-git-send-email-wellslutw@gmail.com> References: <1642344734-27229-1-git-send-email-wellslutw@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Add dt-bindings header files and documentation for Sunplus SP7021 SoC. Signed-off-by: Wells Lu --- Changes in V6 - Addressed comments of Mr. Rob Herring. - Added $ref: "pinmux-node.yaml#" for patternProperties '-pins$'. - Changed name of vendor property: sunplus,zero_func --> sunplus,zerofunc - Fixed wrong comment style of multi-line in dt-binding header files. .../bindings/pinctrl/sunplus,sp7021-pinctrl.yaml | 374 +++++++++++++++++++++ MAINTAINERS | 9 + include/dt-bindings/pinctrl/sppctl-sp7021.h | 179 ++++++++++ include/dt-bindings/pinctrl/sppctl.h | 31 ++ 4 files changed, 593 insertions(+) create mode 100644 Documentation/devicetree/bindings/pinctrl/sunplus,sp7021-pinctrl.yaml create mode 100644 include/dt-bindings/pinctrl/sppctl-sp7021.h create mode 100644 include/dt-bindings/pinctrl/sppctl.h diff --git a/Documentation/devicetree/bindings/pinctrl/sunplus,sp7021-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/sunplus,sp7021-pinctrl.yaml new file mode 100644 index 0000000..d8e75b3 --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/sunplus,sp7021-pinctrl.yaml @@ -0,0 +1,374 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright (C) Sunplus Co., Ltd. +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pinctrl/sunplus,sp7021-pinctrl.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Sunplus SP7021 Pin Controller Device Tree Bindings + +maintainers: + - Dvorkin Dmitry + - Wells Lu + +description: | + The Sunplus SP7021 pin controller is used to control SoC pins. Please + refer to pinctrl-bindings.txt in this directory for details of the common + pinctrl bindings used by client devices. + + SP7021 has 99 digital GPIO pins which are numbered from GPIO 0 to 98. All + are multiplexed with some special function pins. SP7021 has 3 types of + special function pins: + + (1) function-group pins: + Ex 1 (SPI-NOR flash): + If control-field SPI_FLASH_SEL is set to 1, GPIO 83, 84, 86 and 87 + will be pins of SPI-NOR flash. If it is set to 2, GPIO 76, 78, 79 + and 81 will be pins of SPI-NOR flash. + + Ex 2 (UART_0): + If control-bit UA0_SEL is set to 1, GPIO 88 and 89 will be TX and + RX pins of UART_0 (UART channel 0). + + Ex 3 (eMMC): + If control-bit EMMC_SEL is set to 1, GPIO 72, 73, 74, 75, 76, 77, + 78, 79, 80, 81 will be pins of an eMMC device. + + Properties "function" and "groups" are used to select function-group + pins. + + (2) fully pin-mux (like phone exchange mux) pins: + GPIO 8 to 71 are 'fully pin-mux' pins. Any pins of peripherals of + SP7021 (ex: UART_1, UART_2, UART_3, UART_4, I2C_0, I2C_1, and etc.) + can be routed to any pins of fully pin-mux pins. + + Ex 1 (UART channel 1): + If control-field UA1_TX_SEL is set to 3, TX pin of UART_1 will be + routed to GPIO 10 (3 - 1 + 8 = 10). + If control-field UA1_RX_SEL is set to 4, RX pin of UART_1 will be + routed to GPIO 11 (4 - 1 + 8 = 11). + If control-field UA1_RTS_SEL is set to 5, RTS pin of UART_1 will + be routed to GPIO 12 (5 - 1 + 8 = 12). + If control-field UA1_CTS_SEL is set to 6, CTS pin of UART_1 will + be routed to GPIO 13 (6 - 1 + 8 = 13). + + Ex 2 (I2C channel 0): + If control-field I2C0_CLK_SEL is set to 20, CLK pin of I2C_0 will + be routed to GPIO 27 (20 - 1 + 8 = 27). + If control-field I2C0_DATA_SEL is set to 21, DATA pin of I2C_0 + will be routed to GPIO 28 (21 - 1 + 9 = 28). + + Totally, SP7021 has 120 peripheral pins. The peripheral pins can be + routed to any of 64 'fully pin-mux' pins. + + (3) I/O processor pins + SP7021 has a built-in I/O processor. + Any GPIO pins (GPIO 0 to 98) can be set to pins of I/O processor. + + Vendor property "sunplus,pins" is used to select "fully pin-mux" pins, + "I/O processor pins" and "digital GPIO" pins. + + The device node of pin controller of Sunplus SP7021 has following + properties. + +properties: + compatible: + const: sunplus,sp7021-pctl + + gpio-controller: true + + '#gpio-cells': + const: 2 + + reg: + items: + - description: the MOON2 registers + - description: the GPIOXT registers + - description: the FIRST registers + - description: the MOON1 registers + + reg-names: + items: + - const: moon2 + - const: gpioxt + - const: first + - const: moon1 + + clocks: + maxItems: 1 + + resets: + maxItems: 1 + +patternProperties: + '-pins$': + type: object + description: | + A pinctrl node should contain at least one subnodes representing the + pins or function-pins group available on the machine. Each subnode + will list the pins it needs, and how they should be configured. + + Pinctrl node's client devices use subnodes for desired pin + configuration. Client device subnodes use below standard properties. + $ref: pinmux-node.yaml# + + properties: + sunplus,pins: + description: | + Define 'sunplus,pins' which are used by pinctrl node's client + device. + + It consists of one or more integers which represents the config + setting for corresponding pin. Each integer defines a individual + pin in which: + + Bit 32~24: defines GPIO number. Its range is 0 ~ 98. + Bit 23~16: defines types: (1) fully pin-mux pins + (2) IO processor pins + (3) digital GPIO pins + Bit 15~8: defines pins of peripherals (which are defined in + 'include/dt-binging/pinctrl/sppctl.h'). + Bit 7~0: defines types or initial-state of digital GPIO pins. + + Please use macro SPPCTL_IOPAD to define the integers for pins. + + $ref: /schemas/types.yaml#/definitions/uint32-array + + function: + description: | + Define pin-function which is used by pinctrl node's client device. + The name should be one of string in the following enumeration. + $ref: "/schemas/types.yaml#/definitions/string" + enum: [ SPI_FLASH, SPI_FLASH_4BIT, SPI_NAND, CARD0_EMMC, SD_CARD, + UA0, FPGA_IFX, HDMI_TX, LCDIF, USB0_OTG, USB1_OTG ] + + groups: + description: | + Define pin-group in a specified pin-function. + The name should be one of string in the following enumeration. + $ref: "/schemas/types.yaml#/definitions/string" + enum: [ SPI_FLASH1, SPI_FLASH2, SPI_FLASH_4BIT1, SPI_FLASH_4BIT2, + SPI_NAND, CARD0_EMMC, SD_CARD, UA0, FPGA_IFX, HDMI_TX1, + HDMI_TX2, HDMI_TX3, LCDIF, USB0_OTG, USB1_OTG ] + + sunplus,zerofunc: + description: | + This is a vendor specific property. It is used to disable pins + which are not used by pinctrl node's client device. + Some pins may be enabled by boot-loader. We can use this + property to disable them. + $ref: /schemas/types.yaml#/definitions/uint32-array + + additionalProperties: false + + allOf: + - if: + properties: + function: + enum: + - SPI_FLASH + then: + properties: + groups: + enum: + - SPI_FLASH1 + - SPI_FLASH2 + - if: + properties: + function: + enum: + - SPI_FLASH_4BIT + then: + properties: + groups: + enum: + - SPI_FLASH_4BIT1 + - SPI_FLASH_4BIT2 + - if: + properties: + function: + enum: + - SPI_NAND + then: + properties: + groups: + enum: + - SPI_NAND + - if: + properties: + function: + enum: + - CARD0_EMMC + then: + properties: + groups: + enum: + - CARD0_EMMC + - if: + properties: + function: + enum: + - SD_CARD + then: + properties: + groups: + enum: + - SD_CARD + - if: + properties: + function: + enum: + - UA0 + then: + properties: + groups: + enum: + - UA0 + - if: + properties: + function: + enum: + - FPGA_IFX + then: + properties: + groups: + enum: + - FPGA_IFX + - if: + properties: + function: + enum: + - HDMI_TX + then: + properties: + groups: + enum: + - HDMI_TX1 + - HDMI_TX2 + - HDMI_TX3 + - if: + properties: + function: + enum: + - LCDIF + then: + properties: + groups: + enum: + - LCDIF + - if: + properties: + function: + enum: + - USB0_OTG + then: + properties: + groups: + enum: + - USB0_OTG + - if: + properties: + function: + enum: + - USB1_OTG + then: + properties: + groups: + enum: + - USB1_OTG + +required: + - compatible + - reg + - reg-names + - "#gpio-cells" + - gpio-controller + - clocks + - resets + +additionalProperties: false + +examples: + - | + #include + + pinctl@9c000100 { + compatible = "sunplus,sp7021-pctl"; + reg = <0x9c000100 0x100>, <0x9c000300 0x100>, + <0x9c0032e4 0x1c>, <0x9c000080 0x20>; + reg-names = "moon2", "gpioxt", "first", "moon1"; + gpio-controller; + #gpio-cells = <2>; + clocks = <&clkc 0x83>; + resets = <&rstc 0x73>; + + uart0-pins { + function = "UA0"; + groups = "UA0"; + }; + + spinand0-pins { + function = "SPI_NAND"; + groups = "SPI_NAND"; + }; + + uart1-pins { + sunplus,pins = < + SPPCTL_IOPAD(11, SPPCTL_PCTL_G_PMUX, MUXF_UA1_TX, 0) + SPPCTL_IOPAD(10, SPPCTL_PCTL_G_PMUX, MUXF_UA1_RX, 0) + >; + }; + + uart2-pins { + sunplus,pins = < + SPPCTL_IOPAD(20, SPPCTL_PCTL_G_PMUX, MUXF_UA1_TX, 0) + SPPCTL_IOPAD(21, SPPCTL_PCTL_G_PMUX, MUXF_UA1_RX, 0) + SPPCTL_IOPAD(22, SPPCTL_PCTL_G_PMUX, MUXF_UA1_RTS, 0) + SPPCTL_IOPAD(23, SPPCTL_PCTL_G_PMUX, MUXF_UA1_CTS, 0) + >; + }; + + emmc-pins { + function = "CARD0_EMMC"; + groups = "CARD0_EMMC"; + }; + + sdcard-pins { + function = "SD_CARD"; + groups = "SD_CARD"; + sunplus,pins = < SPPCTL_IOPAD(91, SPPCTL_PCTL_G_GPIO, 0, 0) >; + }; + + hdmi_A_tx1-pins { + function = "HDMI_TX"; + groups = "HDMI_TX1"; + }; + hdmi_A_tx2-pins { + function = "HDMI_TX"; + groups = "HDMI_TX2"; + }; + hdmi_A_tx3-pins { + function = "HDMI_TX"; + groups = "HDMI_TX3"; + }; + + ethernet-pins { + sunplus,pins = < + SPPCTL_IOPAD(49,SPPCTL_PCTL_G_PMUX,MUXF_L2SW_CLK_OUT,0) + SPPCTL_IOPAD(44,SPPCTL_PCTL_G_PMUX,MUXF_L2SW_MAC_SMI_MDC,0) + SPPCTL_IOPAD(43,SPPCTL_PCTL_G_PMUX,MUXF_L2SW_MAC_SMI_MDIO,0) + SPPCTL_IOPAD(52,SPPCTL_PCTL_G_PMUX,MUXF_L2SW_P0_MAC_RMII_TXEN,0) + SPPCTL_IOPAD(50,SPPCTL_PCTL_G_PMUX,MUXF_L2SW_P0_MAC_RMII_TXD0,0) + SPPCTL_IOPAD(51,SPPCTL_PCTL_G_PMUX,MUXF_L2SW_P0_MAC_RMII_TXD1,0) + SPPCTL_IOPAD(46,SPPCTL_PCTL_G_PMUX,MUXF_L2SW_P0_MAC_RMII_CRSDV,0) + SPPCTL_IOPAD(47,SPPCTL_PCTL_G_PMUX,MUXF_L2SW_P0_MAC_RMII_RXD0,0) + SPPCTL_IOPAD(48,SPPCTL_PCTL_G_PMUX,MUXF_L2SW_P0_MAC_RMII_RXD1,0) + >; + sunplus,zerofunc = < + MUXF_L2SW_LED_FLASH0 + MUXF_L2SW_LED_ON0 + MUXF_L2SW_P0_MAC_RMII_RXER + >; + }; + }; +... diff --git a/MAINTAINERS b/MAINTAINERS index fbc29cd..3aef4ce 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -15308,6 +15308,15 @@ M: Lakshmi Sowjanya D S: Supported F: drivers/pinctrl/pinctrl-thunderbay.c +PIN CONTROLLER - SUNPLUS / TIBBO +M: Dvorkin Dmitry +M: Wells Lu +L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) +S: Maintained +W: https://sunplus.atlassian.net/wiki/spaces/doc/overview +F: Documentation/devicetree/bindings/pinctrl/sunplus,* +F: include/dt-bindings/pinctrl/sppctl*.h + PKTCDVD DRIVER M: linux-block@vger.kernel.org S: Orphan diff --git a/include/dt-bindings/pinctrl/sppctl-sp7021.h b/include/dt-bindings/pinctrl/sppctl-sp7021.h new file mode 100644 index 0000000..629aa9b --- /dev/null +++ b/include/dt-bindings/pinctrl/sppctl-sp7021.h @@ -0,0 +1,179 @@ +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */ +/* + * Sunplus SP7021 dt-bindings Pinctrl header file + * Copyright (C) Sunplus Tech/Tibbo Tech. + * Author: Dvorkin Dmitry + */ + +#ifndef __DT_BINDINGS_PINCTRL_SPPCTL_SP7021_H__ +#define __DT_BINDINGS_PINCTRL_SPPCTL_SP7021_H__ + +#include + +/* + * Please don't change the order of the following defines. + * They are based on order of 'hardware' control register + * defined in MOON2 ~ MOON3 registers. + */ +#define MUXF_GPIO 0 +#define MUXF_IOP 1 +#define MUXF_L2SW_CLK_OUT 2 +#define MUXF_L2SW_MAC_SMI_MDC 3 +#define MUXF_L2SW_LED_FLASH0 4 +#define MUXF_L2SW_LED_FLASH1 5 +#define MUXF_L2SW_LED_ON0 6 +#define MUXF_L2SW_LED_ON1 7 +#define MUXF_L2SW_MAC_SMI_MDIO 8 +#define MUXF_L2SW_P0_MAC_RMII_TXEN 9 +#define MUXF_L2SW_P0_MAC_RMII_TXD0 10 +#define MUXF_L2SW_P0_MAC_RMII_TXD1 11 +#define MUXF_L2SW_P0_MAC_RMII_CRSDV 12 +#define MUXF_L2SW_P0_MAC_RMII_RXD0 13 +#define MUXF_L2SW_P0_MAC_RMII_RXD1 14 +#define MUXF_L2SW_P0_MAC_RMII_RXER 15 +#define MUXF_L2SW_P1_MAC_RMII_TXEN 16 +#define MUXF_L2SW_P1_MAC_RMII_TXD0 17 +#define MUXF_L2SW_P1_MAC_RMII_TXD1 18 +#define MUXF_L2SW_P1_MAC_RMII_CRSDV 19 +#define MUXF_L2SW_P1_MAC_RMII_RXD0 20 +#define MUXF_L2SW_P1_MAC_RMII_RXD1 21 +#define MUXF_L2SW_P1_MAC_RMII_RXER 22 +#define MUXF_DAISY_MODE 23 +#define MUXF_SDIO_CLK 24 +#define MUXF_SDIO_CMD 25 +#define MUXF_SDIO_D0 26 +#define MUXF_SDIO_D1 27 +#define MUXF_SDIO_D2 28 +#define MUXF_SDIO_D3 29 +#define MUXF_PWM0 30 +#define MUXF_PWM1 31 +#define MUXF_PWM2 32 +#define MUXF_PWM3 33 +#define MUXF_PWM4 34 +#define MUXF_PWM5 35 +#define MUXF_PWM6 36 +#define MUXF_PWM7 37 +#define MUXF_ICM0_D 38 +#define MUXF_ICM1_D 39 +#define MUXF_ICM2_D 40 +#define MUXF_ICM3_D 41 +#define MUXF_ICM0_CLK 42 +#define MUXF_ICM1_CLK 43 +#define MUXF_ICM2_CLK 44 +#define MUXF_ICM3_CLK 45 +#define MUXF_SPIM0_INT 46 +#define MUXF_SPIM0_CLK 47 +#define MUXF_SPIM0_EN 48 +#define MUXF_SPIM0_DO 49 +#define MUXF_SPIM0_DI 50 +#define MUXF_SPIM1_INT 51 +#define MUXF_SPIM1_CLK 52 +#define MUXF_SPIM1_EN 53 +#define MUXF_SPIM1_DO 54 +#define MUXF_SPIM1_DI 55 +#define MUXF_SPIM2_INT 56 +#define MUXF_SPIM2_CLK 57 +#define MUXF_SPIM2_EN 58 +#define MUXF_SPIM2_DO 59 +#define MUXF_SPIM2_DI 60 +#define MUXF_SPIM3_INT 61 +#define MUXF_SPIM3_CLK 62 +#define MUXF_SPIM3_EN 63 +#define MUXF_SPIM3_DO 64 +#define MUXF_SPIM3_DI 65 +#define MUXF_SPI0S_INT 66 +#define MUXF_SPI0S_CLK 67 +#define MUXF_SPI0S_EN 68 +#define MUXF_SPI0S_DO 69 +#define MUXF_SPI0S_DI 70 +#define MUXF_SPI1S_INT 71 +#define MUXF_SPI1S_CLK 72 +#define MUXF_SPI1S_EN 73 +#define MUXF_SPI1S_DO 74 +#define MUXF_SPI1S_DI 75 +#define MUXF_SPI2S_INT 76 +#define MUXF_SPI2S_CLK 77 +#define MUXF_SPI2S_EN 78 +#define MUXF_SPI2S_DO 79 +#define MUXF_SPI2S_DI 80 +#define MUXF_SPI3S_INT 81 +#define MUXF_SPI3S_CLK 82 +#define MUXF_SPI3S_EN 83 +#define MUXF_SPI3S_DO 84 +#define MUXF_SPI3S_DI 85 +#define MUXF_I2CM0_CLK 86 +#define MUXF_I2CM0_DAT 87 +#define MUXF_I2CM1_CLK 88 +#define MUXF_I2CM1_DAT 89 +#define MUXF_I2CM2_CLK 90 +#define MUXF_I2CM2_DAT 91 +#define MUXF_I2CM3_CLK 92 +#define MUXF_I2CM3_DAT 93 +#define MUXF_UA1_TX 94 +#define MUXF_UA1_RX 95 +#define MUXF_UA1_CTS 96 +#define MUXF_UA1_RTS 97 +#define MUXF_UA2_TX 98 +#define MUXF_UA2_RX 99 +#define MUXF_UA2_CTS 100 +#define MUXF_UA2_RTS 101 +#define MUXF_UA3_TX 102 +#define MUXF_UA3_RX 103 +#define MUXF_UA3_CTS 104 +#define MUXF_UA3_RTS 105 +#define MUXF_UA4_TX 106 +#define MUXF_UA4_RX 107 +#define MUXF_UA4_CTS 108 +#define MUXF_UA4_RTS 109 +#define MUXF_TIMER0_INT 110 +#define MUXF_TIMER1_INT 111 +#define MUXF_TIMER2_INT 112 +#define MUXF_TIMER3_INT 113 +#define MUXF_GPIO_INT0 114 +#define MUXF_GPIO_INT1 115 +#define MUXF_GPIO_INT2 116 +#define MUXF_GPIO_INT3 117 +#define MUXF_GPIO_INT4 118 +#define MUXF_GPIO_INT5 119 +#define MUXF_GPIO_INT6 120 +#define MUXF_GPIO_INT7 121 + +/* + * Please don't change the order of the following defines. + * They are based on order of items in array 'sppctl_list_funcs' + * in Sunplus pinctrl driver. + */ +#define GROP_SPI_FLASH 122 +#define GROP_SPI_FLASH_4BIT 123 +#define GROP_SPI_NAND 124 +#define GROP_CARD0_EMMC 125 +#define GROP_SD_CARD 126 +#define GROP_UA0 127 +#define GROP_ACHIP_DEBUG 128 +#define GROP_ACHIP_UA2AXI 129 +#define GROP_FPGA_IFX 130 +#define GROP_HDMI_TX 131 +#define GROP_AUD_EXT_ADC_IFX0 132 +#define GROP_AUD_EXT_DAC_IFX0 133 +#define GROP_SPDIF_RX 134 +#define GROP_SPDIF_TX 135 +#define GROP_TDMTX_IFX0 136 +#define GROP_TDMRX_IFX0 137 +#define GROP_PDMRX_IFX0 138 +#define GROP_PCM_IEC_TX 139 +#define GROP_LCDIF 140 +#define GROP_DVD_DSP_DEBUG 141 +#define GROP_I2C_DEBUG 142 +#define GROP_I2C_SLAVE 143 +#define GROP_WAKEUP 144 +#define GROP_UART2AXI 145 +#define GROP_USB0_I2C 146 +#define GROP_USB1_I2C 147 +#define GROP_USB0_OTG 148 +#define GROP_USB1_OTG 149 +#define GROP_UPHY0_DEBUG 150 +#define GROP_UPHY1_DEBUG 151 +#define GROP_UPHY0_EXT 152 +#define GROP_PROBE_PORT 153 + +#endif diff --git a/include/dt-bindings/pinctrl/sppctl.h b/include/dt-bindings/pinctrl/sppctl.h new file mode 100644 index 0000000..5055726 --- /dev/null +++ b/include/dt-bindings/pinctrl/sppctl.h @@ -0,0 +1,31 @@ +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */ +/* + * Sunplus dt-bindings Pinctrl header file + * Copyright (C) Sunplus Tech / Tibbo Tech. + * Author: Dvorkin Dmitry + */ + +#ifndef __DT_BINDINGS_PINCTRL_SPPCTL_H__ +#define __DT_BINDINGS_PINCTRL_SPPCTL_H__ + +#define IOP_G_MASTE (0x01 << 0) +#define IOP_G_FIRST (0x01 << 1) + +#define SPPCTL_PCTL_G_PMUX (0x00 | IOP_G_MASTE) +#define SPPCTL_PCTL_G_GPIO (IOP_G_FIRST | IOP_G_MASTE) +#define SPPCTL_PCTL_G_IOPP (IOP_G_FIRST | 0x00) + +#define SPPCTL_PCTL_L_OUT (0x01 << 0) /* Output LOW */ +#define SPPCTL_PCTL_L_OU1 (0x01 << 1) /* Output HIGH */ +#define SPPCTL_PCTL_L_INV (0x01 << 2) /* Input Invert */ +#define SPPCTL_PCTL_L_ONV (0x01 << 3) /* Output Invert */ +#define SPPCTL_PCTL_L_ODR (0x01 << 4) /* Output Open Drain */ + +/* + * pack into 32-bit value: + * pin# (8bit), typ (8bit), function (8bit), flag (8bit) + */ +#define SPPCTL_IOPAD(pin, typ, fun, flg) (((pin) << 24) | ((typ) << 16) | \ + ((fun) << 8) | (flg)) + +#endif From patchwork Sun Jan 16 14:52:14 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wells Lu X-Patchwork-Id: 1580466 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: bilbo.ozlabs.org; dkim=pass (2048-bit key; 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devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: wells.lu@sunplus.com, dvorkin@tibbo.com, Wells Lu Subject: [PATCH v6 2/2] pinctrl: Add driver for Sunplus SP7021 Date: Sun, 16 Jan 2022 22:52:14 +0800 Message-Id: <1642344734-27229-3-git-send-email-wellslutw@gmail.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1642344734-27229-1-git-send-email-wellslutw@gmail.com> References: <1642344734-27229-1-git-send-email-wellslutw@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Add driver for Sunplus SP7021 SoC. Signed-off-by: Wells Lu --- Changes in V6 - Addressed comments of Mr. Rob Herring. - Changed name of vendor property: sunplus,zero_func --> sunplus,zerofunc - Addedssed comments of Mr. Andy Shevchenko - Modified Kconfig (bool -> tristate) and Makefile to support 'compile as module'. - Re-ordered some header files. - Removed some useless comments. - Added some inline functions to simplify coding. - Removed checking existing of property "gpio-controller". - Removed redundant 'check_mul_overflow()' after a devm_kcalloc() function. - Added include in 'sppctl.h' - Modified and added some kernel-doc comments. - Fixed some wrong comment style of multi-line. - Moved struct sppctl_gpio_chip { ... }; to 'sppctl.c'. - Others MAINTAINERS | 1 + drivers/pinctrl/Kconfig | 1 + drivers/pinctrl/Makefile | 1 + drivers/pinctrl/sunplus/Kconfig | 22 + drivers/pinctrl/sunplus/Makefile | 6 + drivers/pinctrl/sunplus/sppctl.c | 1118 +++++++++++++++++++++++++++++++ drivers/pinctrl/sunplus/sppctl.h | 170 +++++ drivers/pinctrl/sunplus/sppctl_sp7021.c | 583 ++++++++++++++++ 8 files changed, 1902 insertions(+) create mode 100644 drivers/pinctrl/sunplus/Kconfig create mode 100644 drivers/pinctrl/sunplus/Makefile create mode 100644 drivers/pinctrl/sunplus/sppctl.c create mode 100644 drivers/pinctrl/sunplus/sppctl.h create mode 100644 drivers/pinctrl/sunplus/sppctl_sp7021.c diff --git a/MAINTAINERS b/MAINTAINERS index 3aef4ce..9019cb2 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -15315,6 +15315,7 @@ L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) S: Maintained W: https://sunplus.atlassian.net/wiki/spaces/doc/overview F: Documentation/devicetree/bindings/pinctrl/sunplus,* +F: drivers/pinctrl/sunplus/ F: include/dt-bindings/pinctrl/sppctl*.h PKTCDVD DRIVER diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig index 6fc56d6..f52960d 100644 --- a/drivers/pinctrl/Kconfig +++ b/drivers/pinctrl/Kconfig @@ -527,6 +527,7 @@ source "drivers/pinctrl/samsung/Kconfig" source "drivers/pinctrl/spear/Kconfig" source "drivers/pinctrl/sprd/Kconfig" source "drivers/pinctrl/stm32/Kconfig" +source "drivers/pinctrl/sunplus/Kconfig" source "drivers/pinctrl/sunxi/Kconfig" source "drivers/pinctrl/tegra/Kconfig" source "drivers/pinctrl/ti/Kconfig" diff --git a/drivers/pinctrl/Makefile b/drivers/pinctrl/Makefile index 08c364d..b09c534 100644 --- a/drivers/pinctrl/Makefile +++ b/drivers/pinctrl/Makefile @@ -71,6 +71,7 @@ obj-$(CONFIG_PINCTRL_SAMSUNG) += samsung/ obj-$(CONFIG_PINCTRL_SPEAR) += spear/ obj-y += sprd/ obj-$(CONFIG_PINCTRL_STM32) += stm32/ +obj-y += sunplus/ obj-$(CONFIG_PINCTRL_SUNXI) += sunxi/ obj-$(CONFIG_ARCH_TEGRA) += tegra/ obj-y += ti/ diff --git a/drivers/pinctrl/sunplus/Kconfig b/drivers/pinctrl/sunplus/Kconfig new file mode 100644 index 0000000..4b5c47c --- /dev/null +++ b/drivers/pinctrl/sunplus/Kconfig @@ -0,0 +1,22 @@ +# SPDX-License-Identifier: GPL-2.0 +# +# Sunplus Pin control driver configuration +# + +config PINCTRL_SPPCTL + tristate "Sunplus SP7021 PinMux and GPIO driver" + depends on SOC_SP7021 + depends on OF && HAS_IOMEM + select GENERIC_PINCTRL_GROUPS + select GENERIC_PINMUX_FUNCTIONS + select GENERIC_PINCONF + select PINCONF + select PINMUX + select GPIOLIB + select OF_GPIO + help + Say Y here to support Sunplus SP7021 pinmux controller. + This driver requires the pinctrl framework. + GPIO is provided by the same driver. + To compile this driver as a module, choose M here. + The module will be called sppinctrl. diff --git a/drivers/pinctrl/sunplus/Makefile b/drivers/pinctrl/sunplus/Makefile new file mode 100644 index 0000000..a26952c --- /dev/null +++ b/drivers/pinctrl/sunplus/Makefile @@ -0,0 +1,6 @@ +# SPDX-License-Identifier: GPL-2.0 +# +# Makefile for the Sunplus Pin control drivers. +# +obj-$(CONFIG_PINCTRL_SPPCTL) += sppinctrl.o +sppinctrl-objs := sppctl.o sppctl_sp7021.o diff --git a/drivers/pinctrl/sunplus/sppctl.c b/drivers/pinctrl/sunplus/sppctl.c new file mode 100644 index 0000000..3ba4704 --- /dev/null +++ b/drivers/pinctrl/sunplus/sppctl.c @@ -0,0 +1,1118 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * SP7021 Pin Controller Driver. + * Copyright (C) Sunplus Tech / Tibbo Tech. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include + +#include + +#include "../core.h" +#include "../pinctrl-utils.h" + +#include "sppctl.h" + +struct sppctl_gpio_chip { + void __iomem *gpioxt_base; /* MASTER, OE, OUT, IN, I_INV, O_INV, OD */ + void __iomem *first_base; /* GPIO_FIRST */ + + struct gpio_chip chip; + spinlock_t lock; /* lock for accessing OE register */ +}; + +static inline u32 sppctl_first_readl(struct sppctl_gpio_chip *spp_gchip, u32 off) +{ + return readl(spp_gchip->first_base + SPPCTL_GPIO_OFF_FIRST + off); +} + +static inline void sppctl_first_writel(struct sppctl_gpio_chip *spp_gchip, u32 val, u32 off) +{ + writel(val, spp_gchip->first_base + SPPCTL_GPIO_OFF_FIRST + off); +} + +static inline u32 sppctl_gpio_master_readl(struct sppctl_gpio_chip *spp_gchip, u32 off) +{ + return readl(spp_gchip->gpioxt_base + SPPCTL_GPIO_OFF_MASTER + off); +} + +static inline void sppctl_gpio_master_writel(struct sppctl_gpio_chip *spp_gchip, u32 val, + u32 off) +{ + writel(val, spp_gchip->gpioxt_base + SPPCTL_GPIO_OFF_MASTER + off); +} + +static inline u32 sppctl_gpio_oe_readl(struct sppctl_gpio_chip *spp_gchip, u32 off) +{ + return readl(spp_gchip->gpioxt_base + SPPCTL_GPIO_OFF_OE + off); +} + +static inline void sppctl_gpio_oe_writel(struct sppctl_gpio_chip *spp_gchip, u32 val, u32 off) +{ + writel(val, spp_gchip->gpioxt_base + SPPCTL_GPIO_OFF_OE + off); +} + +static inline void sppctl_gpio_out_writel(struct sppctl_gpio_chip *spp_gchip, u32 val, u32 off) +{ + writel(val, spp_gchip->gpioxt_base + SPPCTL_GPIO_OFF_OUT + off); +} + +static inline u32 sppctl_gpio_in_readl(struct sppctl_gpio_chip *spp_gchip, u32 off) +{ + return readl(spp_gchip->gpioxt_base + SPPCTL_GPIO_OFF_IN + off); +} + +static inline u32 sppctl_gpio_iinv_readl(struct sppctl_gpio_chip *spp_gchip, u32 off) +{ + return readl(spp_gchip->gpioxt_base + SPPCTL_GPIO_OFF_IINV + off); +} + +static inline void sppctl_gpio_iinv_writel(struct sppctl_gpio_chip *spp_gchip, u32 val, + u32 off) +{ + writel(val, spp_gchip->gpioxt_base + SPPCTL_GPIO_OFF_IINV + off); +} + +static inline u32 sppctl_gpio_oinv_readl(struct sppctl_gpio_chip *spp_gchip, u32 off) +{ + return readl(spp_gchip->gpioxt_base + SPPCTL_GPIO_OFF_OINV + off); +} + +static inline void sppctl_gpio_oinv_writel(struct sppctl_gpio_chip *spp_gchip, u32 val, + u32 off) +{ + writel(val, spp_gchip->gpioxt_base + SPPCTL_GPIO_OFF_OINV + off); +} + +static inline u32 sppctl_gpio_od_readl(struct sppctl_gpio_chip *spp_gchip, u32 off) +{ + return readl(spp_gchip->gpioxt_base + SPPCTL_GPIO_OFF_OD + off); +} + +static inline void sppctl_gpio_od_writel(struct sppctl_gpio_chip *spp_gchip, u32 val, u32 off) +{ + writel(val, spp_gchip->gpioxt_base + SPPCTL_GPIO_OFF_OD + off); +} + +static inline u32 sppctl_get_reg_and_bit_offset(unsigned int offset, u32 *reg_off) +{ + u32 bit_off; + + /* Each register has 32 bits. */ + *reg_off = (offset / 32) * 4; + bit_off = offset % 32; + + return bit_off; +} + +static inline u32 sppctl_get_moon_reg_and_bit_offset(unsigned int offset, u32 *reg_off) +{ + u32 bit_off; + + /* + * Each MOON register has 32 bits. Upper 16-bit word are mask-fields. + * The lower 16-bit word are the control-fields. The corresponding + * bits in mask-field should be set then you can write something to + * control-field. + */ + *reg_off = (offset / 16) * 4; + bit_off = offset % 16; + + return bit_off; +} + +static inline u32 sppctl_prep_moon_reg_and_offset(unsigned int offset, u32 *reg_off, int val) +{ + u32 bit_off; + + bit_off = sppctl_get_moon_reg_and_bit_offset(offset, reg_off); + if (val) + return SPPCTL_SET_MOON_REG_BIT(bit_off); + else + return SPPCTL_CLR_MOON_REG_BIT(bit_off); +} + +/** + * sppctl_func_set() - Set pin of fully-pinmux function. + * + * Mask-fields and control-fields of fully-pinmux function of SP7021 are + * arranged as shown below: + * + * func# | register | mask-field | control-field + * -------+----------+--------------+--------------- + * 0 | base[0] | (22 : 16) | ( 6 : 0) + * 1 | base[0] | (30 : 24) | (14 : 8) + * 2 | base[1] | (22 : 16) | ( 6 : 0) + * 3 | baeg[1] | (30 : 24) | (14 : 8) + * : | : | : | : + * + * where mask-fields are used to protect control-fields from write-in + * accidentally. Set the corresponding bits in the mask-field before + * you write a value into a control-field. + * + * Control-fields are used to set where the function pin is going to + * be routed to. + * + * Note that mask-fields and control-fields of even number of 'func' + * are located at bits (22:16) and (6:0), while odd number of 'func's + * are located at bits (30:24) and (14:8). + */ +static void sppctl_func_set(struct sppctl_pdata *pctl, u8 func, u8 val) +{ + u32 reg, offset; + + /* + * Note that upper 16-bit word are mask-fields and lower 16-bit + * word are the control-fields. Set corresponding bits in mask- + * field before write to a control-field. + */ + reg = SPPCTL_FULLY_PINMUX_MASK_MASK | val; + + /* + * MUXF_L2SW_CLK_OUT is the first fully-pinmux pin + * and its register offset is 0. + */ + func -= MUXF_L2SW_CLK_OUT; + + /* + * Check if 'func' is an odd number or not. Mask and control- + * fields of odd number 'func' is located at upper portion of + * a register. Extra shift is needed. + */ + if (func & BIT(0)) + reg <<= SPPCTL_FULLY_PINMUX_UPPER_SHIFT; + + /* Convert func# to register offset w.r.t. base register. */ + offset = func * 2; + offset &= GENMASK(31, 2); + + writel(reg, pctl->moon2_base + offset); +} + +/** + * sppctl_gmx_set() - Set pin of group-pinmux. + * + * Mask-fields and control-fields of group-pinmux function of SP7021 are + * arranged as shown below: + * + * register | mask-fields | control-fields + * ----------+--------------+---------------- + * base[0] | (31 : 16) | (15 : 0) + * base[1] | (31 : 24) | (15 : 0) + * base[2] | (31 : 24) | (15 : 0) + * : | : | : + * + * where mask-fields are used to protect control-fields from write-in + * accidentally. Set the corresponding bits in the mask-field before + * you write a value into a control-field. + * + * Control-fields are used to set where the function pin is going to + * be routed to. A control-field consists of one or more bits. + */ +static void sppctl_gmx_set(struct sppctl_pdata *pctl, u8 reg_off, u8 bit_off, u8 bit_sz, + u8 val) +{ + u32 mask, reg; + + /* + * Note that upper 16-bit word are mask-fields and lower 16-bit + * word are the control-fields. Set corresponding bits in mask- + * field before write to a control-field. + */ + mask = GENMASK(bit_sz - 1, 0) << SPPCTL_MOON_REG_MASK_SHIFT; + reg = (mask | val) << bit_off; + + writel(reg, pctl->moon1_base + reg_off * 4); +} + +/** + * sppctl_first_get() - get bit of FIRST register. + * + * There are 4 FIRST registers. Each has 32 control-bits. + * Totally, there are 4 * 32 = 128 control-bits. + * Control-bits are arranged as shown below: + * + * registers | control-bits + * -----------+-------------- + * first[0] | (31 : 0) + * first[1] | (63 : 32) + * first[2] | (95 : 64) + * first[3] | (127 : 96) + * + * Each control-bit sets type of a GPIO pin. + * 0: a fully-pinmux pin + * 1: a GPIO or IOP pin + */ +static int sppctl_first_get(struct gpio_chip *chip, unsigned int offset) +{ + struct sppctl_gpio_chip *spp_gchip = gpiochip_get_data(chip); + u32 reg_off, bit_off, reg; + + bit_off = sppctl_get_reg_and_bit_offset(offset, ®_off); + reg = sppctl_first_readl(spp_gchip, reg_off); + + return (reg & BIT(bit_off)) ? 1 : 0; +} + +/** + * sppctl_master_get() - get bit of MASTER register. + * + * There are 8 MASTER registers. Each has 16 mask-bits and 16 control-bits. + * Upper 16-bit of MASTER registers are mask-bits while lower 16-bit are + * control-bits. Totally, there are 128 mask-bits and 128 control-bits. + * They are arranged as shown below: + * + * register | mask-bits | control-bits + * -----------+-------------+-------------- + * master[0] | (15 : 0) | (15 : 0) + * master[1] | (31 : 16) | (31 : 16) + * master[2] | (47 : 32) | (47 : 32) + * : | : | : + * master[7] | (127 : 112) | (127 : 112) + * + * where mask-bits are used to protect control-bits from write-in + * accidentally. Set the corresponding mask-bit before you write + * a value into a control-bit. + * + * Each control-bit sets type of a GPIO pin when FIRST bit is 1. + * 0: a IOP pin + * 1: a GPIO pin + */ +static int sppctl_master_get(struct gpio_chip *chip, unsigned int offset) +{ + struct sppctl_gpio_chip *spp_gchip = gpiochip_get_data(chip); + u32 reg_off, bit_off, reg; + + bit_off = sppctl_get_moon_reg_and_bit_offset(offset, ®_off); + reg = sppctl_gpio_master_readl(spp_gchip, reg_off); + return (reg & BIT(bit_off)) ? 1 : 0; +} + +static void sppctl_first_master_set(struct gpio_chip *chip, unsigned int offset, + enum mux_first_reg first, enum mux_master_reg master) +{ + struct sppctl_gpio_chip *spp_gchip = gpiochip_get_data(chip); + u32 reg_off, bit_off, reg; + enum mux_first_reg val; + + /* FIRST register */ + if (first != mux_f_keep) { + bit_off = sppctl_get_reg_and_bit_offset(offset, ®_off); + reg = sppctl_first_readl(spp_gchip, reg_off); + val = (reg & BIT(bit_off)) ? mux_f_gpio : mux_f_mux; + + if (first != val) + switch (first) { + case mux_f_gpio: + reg |= BIT(bit_off); + sppctl_first_writel(spp_gchip, reg, reg_off); + break; + + case mux_f_mux: + reg &= ~BIT(bit_off); + sppctl_first_writel(spp_gchip, reg, reg_off); + break; + + case mux_f_keep: + break; + } + } + + /* MASTER register */ + if (master != mux_m_keep) { + reg = sppctl_prep_moon_reg_and_offset(offset, ®_off, (master == mux_m_gpio)); + sppctl_gpio_master_writel(spp_gchip, reg, reg_off); + } +} + +static void sppctl_gpio_input_inv_set(struct gpio_chip *chip, unsigned int offset) +{ + struct sppctl_gpio_chip *spp_gchip = gpiochip_get_data(chip); + u32 reg_off, reg; + + reg = sppctl_prep_moon_reg_and_offset(offset, ®_off, 1); + sppctl_gpio_iinv_writel(spp_gchip, reg, reg_off); +} + +static void sppctl_gpio_output_inv_set(struct gpio_chip *chip, unsigned int offset) +{ + struct sppctl_gpio_chip *spp_gchip = gpiochip_get_data(chip); + u32 reg_off, reg; + + reg = sppctl_prep_moon_reg_and_offset(offset, ®_off, 1); + sppctl_gpio_oinv_writel(spp_gchip, reg, reg_off); +} + +static int sppctl_gpio_output_od_get(struct gpio_chip *chip, unsigned int offset) +{ + struct sppctl_gpio_chip *spp_gchip = gpiochip_get_data(chip); + u32 reg_off, bit_off, reg; + + bit_off = sppctl_get_moon_reg_and_bit_offset(offset, ®_off); + reg = sppctl_gpio_od_readl(spp_gchip, reg_off); + + return (reg & BIT(bit_off)) ? 1 : 0; +} + +static void sppctl_gpio_output_od_set(struct gpio_chip *chip, unsigned int offset, + unsigned int val) +{ + struct sppctl_gpio_chip *spp_gchip = gpiochip_get_data(chip); + u32 reg_off, reg; + + reg = sppctl_prep_moon_reg_and_offset(offset, ®_off, val); + sppctl_gpio_od_writel(spp_gchip, reg, reg_off); +} + +static int sppctl_gpio_get_direction(struct gpio_chip *chip, unsigned int offset) +{ + struct sppctl_gpio_chip *spp_gchip = gpiochip_get_data(chip); + u32 reg_off, bit_off, reg; + + bit_off = sppctl_get_moon_reg_and_bit_offset(offset, ®_off); + reg = sppctl_gpio_oe_readl(spp_gchip, reg_off); + + return (reg & BIT(bit_off)) ? 0 : 1; +} + +static int sppctl_gpio_inv_get(struct gpio_chip *chip, unsigned int offset) +{ + struct sppctl_gpio_chip *spp_gchip = gpiochip_get_data(chip); + u32 reg_off, bit_off, reg; + unsigned long flags; + + bit_off = sppctl_get_moon_reg_and_bit_offset(offset, ®_off); + + spin_lock_irqsave(&spp_gchip->lock, flags); + + if (sppctl_gpio_get_direction(chip, offset)) + reg = sppctl_gpio_iinv_readl(spp_gchip, reg_off); + else + reg = sppctl_gpio_oinv_readl(spp_gchip, reg_off); + + spin_unlock_irqrestore(&spp_gchip->lock, flags); + + return (reg & BIT(bit_off)) ? 1 : 0; +} + +static int sppctl_gpio_direction_input(struct gpio_chip *chip, unsigned int offset) +{ + struct sppctl_gpio_chip *spp_gchip = gpiochip_get_data(chip); + unsigned long flags; + u32 reg_off, reg; + + reg = sppctl_prep_moon_reg_and_offset(offset, ®_off, 0); + + spin_lock_irqsave(&spp_gchip->lock, flags); + + sppctl_gpio_oe_writel(spp_gchip, reg, reg_off); + + spin_unlock_irqrestore(&spp_gchip->lock, flags); + return 0; +} + +static int sppctl_gpio_direction_output(struct gpio_chip *chip, unsigned int offset, int val) +{ + struct sppctl_gpio_chip *spp_gchip = gpiochip_get_data(chip); + unsigned long flags; + u32 reg_off, reg; + + reg = sppctl_prep_moon_reg_and_offset(offset, ®_off, 1); + + spin_lock_irqsave(&spp_gchip->lock, flags); + + sppctl_gpio_oe_writel(spp_gchip, reg, reg_off); + + if (val < 0) { + spin_unlock_irqrestore(&spp_gchip->lock, flags); + return 0; + } + + reg = sppctl_prep_moon_reg_and_offset(offset, ®_off, val); + sppctl_gpio_out_writel(spp_gchip, reg, reg_off); + + spin_unlock_irqrestore(&spp_gchip->lock, flags); + return 0; +} + +static int sppctl_gpio_get(struct gpio_chip *chip, unsigned int offset) +{ + struct sppctl_gpio_chip *spp_gchip = gpiochip_get_data(chip); + u32 reg_off, bit_off, reg; + + bit_off = sppctl_get_reg_and_bit_offset(offset, ®_off); + reg = sppctl_gpio_in_readl(spp_gchip, reg_off); + + return (reg & BIT(bit_off)) ? 1 : 0; +} + +static void sppctl_gpio_set(struct gpio_chip *chip, unsigned int offset, int val) +{ + struct sppctl_gpio_chip *spp_gchip = gpiochip_get_data(chip); + u32 reg_off, reg; + + reg = sppctl_prep_moon_reg_and_offset(offset, ®_off, val); + sppctl_gpio_out_writel(spp_gchip, reg, reg_off); +} + +static int sppctl_gpio_set_config(struct gpio_chip *chip, unsigned int offset, + unsigned long config) +{ + enum pin_config_param param = pinconf_to_config_param(config); + struct sppctl_gpio_chip *spp_gchip = gpiochip_get_data(chip); + u32 reg_off, reg; + + switch (param) { + case PIN_CONFIG_DRIVE_OPEN_DRAIN: + reg = sppctl_prep_moon_reg_and_offset(offset, ®_off, 1); + sppctl_gpio_od_writel(spp_gchip, reg, reg_off); + break; + + case PIN_CONFIG_INPUT_ENABLE: + break; + + case PIN_CONFIG_OUTPUT: + return sppctl_gpio_direction_output(chip, offset, 0); + + case PIN_CONFIG_PERSIST_STATE: + return -ENOTSUPP; + + default: + return -EINVAL; + } + + return 0; +} + +#ifdef CONFIG_DEBUG_FS +static void sppctl_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip) +{ + const char *label; + int i; + + for (i = 0; i < chip->ngpio; i++) { + label = gpiochip_is_requested(chip, i); + if (!label) + label = ""; + + seq_printf(s, " gpio-%03d (%-16.16s | %-16.16s)", i + chip->base, + chip->names[i], label); + seq_printf(s, " %c", sppctl_gpio_get_direction(chip, i) ? 'I' : 'O'); + seq_printf(s, ":%d", sppctl_gpio_get(chip, i)); + seq_printf(s, " %s", sppctl_first_get(chip, i) ? "gpi" : "mux"); + seq_printf(s, " %s", sppctl_master_get(chip, i) ? "gpi" : "iop"); + seq_printf(s, " %s", sppctl_gpio_inv_get(chip, i) ? "inv" : " "); + seq_printf(s, " %s", sppctl_gpio_output_od_get(chip, i) ? "oDr" : ""); + seq_puts(s, "\n"); + } +} +#endif + +static int sppctl_gpio_new(struct platform_device *pdev, struct sppctl_pdata *pctl) +{ + struct sppctl_gpio_chip *spp_gchip; + struct gpio_chip *gchip; + int err; + + spp_gchip = devm_kzalloc(&pdev->dev, sizeof(*spp_gchip), GFP_KERNEL); + if (!spp_gchip) + return -ENOMEM; + pctl->spp_gchip = spp_gchip; + + spp_gchip->gpioxt_base = pctl->gpioxt_base; + spp_gchip->first_base = pctl->first_base; + spin_lock_init(&spp_gchip->lock); + + gchip = &spp_gchip->chip; + gchip->label = SPPCTL_MODULE_NAME; + gchip->parent = &pdev->dev; + gchip->owner = THIS_MODULE; + gchip->request = gpiochip_generic_request; + gchip->free = gpiochip_generic_free; + gchip->get_direction = sppctl_gpio_get_direction; + gchip->direction_input = sppctl_gpio_direction_input; + gchip->direction_output = sppctl_gpio_direction_output; + gchip->get = sppctl_gpio_get; + gchip->set = sppctl_gpio_set; + gchip->set_config = sppctl_gpio_set_config; +#ifdef CONFIG_DEBUG_FS + gchip->dbg_show = sppctl_gpio_dbg_show; +#endif + gchip->base = -1; + gchip->ngpio = sppctl_gpio_list_sz; + gchip->names = sppctl_gpio_list_s; + gchip->of_gpio_n_cells = 2; + + pctl->pctl_grange.npins = gchip->ngpio; + pctl->pctl_grange.name = gchip->label; + pctl->pctl_grange.gc = gchip; + + err = devm_gpiochip_add_data(&pdev->dev, gchip, spp_gchip); + if (err) + return dev_err_probe(&pdev->dev, err, "Failed to add gpiochip!\n"); + + return 0; +} + +static int sppctl_pin_config_get(struct pinctrl_dev *pctldev, unsigned int pin, + unsigned long *config) +{ + struct sppctl_pdata *pctl = pinctrl_dev_get_drvdata(pctldev); + unsigned int param = pinconf_to_config_param(*config); + unsigned int arg; + + switch (param) { + case PIN_CONFIG_DRIVE_OPEN_DRAIN: + if (!sppctl_gpio_output_od_get(&pctl->spp_gchip->chip, pin)) + return -EINVAL; + arg = 0; + break; + + case PIN_CONFIG_OUTPUT: + if (!sppctl_first_get(&pctl->spp_gchip->chip, pin)) + return -EINVAL; + if (!sppctl_master_get(&pctl->spp_gchip->chip, pin)) + return -EINVAL; + if (sppctl_gpio_get_direction(&pctl->spp_gchip->chip, pin)) + return -EINVAL; + arg = sppctl_gpio_get(&pctl->spp_gchip->chip, pin); + break; + + default: + return -EOPNOTSUPP; + } + *config = pinconf_to_config_packed(param, arg); + + return 0; +} + +static int sppctl_pin_config_set(struct pinctrl_dev *pctldev, unsigned int pin, + unsigned long *configs, unsigned int num_configs) +{ + struct sppctl_pdata *pctl = pinctrl_dev_get_drvdata(pctldev); + int i; + + /* Special handling for IOP pins */ + if (configs[0] == SPPCTL_IOP_CONFIGS) { + sppctl_first_master_set(&pctl->spp_gchip->chip, pin, mux_f_gpio, mux_m_iop); + return 0; + } + + for (i = 0; i < num_configs; i++) { + if (configs[i] & SPPCTL_PCTL_L_OUT) + sppctl_gpio_direction_output(&pctl->spp_gchip->chip, pin, 0); + if (configs[i] & SPPCTL_PCTL_L_OU1) + sppctl_gpio_direction_output(&pctl->spp_gchip->chip, pin, 1); + if (configs[i] & SPPCTL_PCTL_L_INV) + sppctl_gpio_input_inv_set(&pctl->spp_gchip->chip, pin); + if (configs[i] & SPPCTL_PCTL_L_ONV) + sppctl_gpio_output_inv_set(&pctl->spp_gchip->chip, pin); + if (configs[i] & SPPCTL_PCTL_L_ODR) + sppctl_gpio_output_od_set(&pctl->spp_gchip->chip, pin, 1); + } + + return 0; +} + +static const struct pinconf_ops sppctl_pconf_ops = { + .is_generic = true, + .pin_config_get = sppctl_pin_config_get, + .pin_config_set = sppctl_pin_config_set, +}; + +static int sppctl_get_functions_count(struct pinctrl_dev *pctldev) +{ + return sppctl_list_funcs_sz; +} + +static const char *sppctl_get_function_name(struct pinctrl_dev *pctldev, + unsigned int selector) +{ + return sppctl_list_funcs[selector].name; +} + +static int sppctl_get_function_groups(struct pinctrl_dev *pctldev, unsigned int selector, + const char * const **groups, unsigned int *num_groups) +{ + struct sppctl_pdata *pctl = pinctrl_dev_get_drvdata(pctldev); + const struct sppctl_func *f = &sppctl_list_funcs[selector]; + int i; + + *num_groups = 0; + switch (f->type) { + case pinmux_type_fpmx: + *num_groups = sppctl_pmux_list_sz; + *groups = sppctl_pmux_list_s; + break; + + case pinmux_type_grp: + if (!f->grps) + break; + + *num_groups = f->gnum; + for (i = 0; i < pctl->unq_grps_sz; i++) + if (pctl->g2fp_maps[i].f_idx == selector) + break; + *groups = &pctl->unq_grps[i]; + break; + + default: + dev_err(pctldev->dev, "Unknown pinmux (selector: %d, type: %d)\n", + selector, f->type); + break; + } + + return 0; +} + +/** + * sppctl_fully_pinmux_conv - Convert GPIO# to fully-pinmux control-field setting + * + * Each fully-pinmux function can be mapped to any of GPIO 8 ~ 71 by + * settings its control-field. Refer to following table: + * + * control-field | GPIO + * --------------+-------- + * 0 | No map + * 1 | 8 + * 2 | 9 + * 3 | 10 + * : | : + * 65 | 71 + */ +static inline int sppctl_fully_pinmux_conv(unsigned int offset) +{ + return (offset < 8) ? 0 : offset - 7; +} + +static int sppctl_set_mux(struct pinctrl_dev *pctldev, unsigned int func_selector, + unsigned int group_selector) +{ + const struct sppctl_func *f = &sppctl_list_funcs[func_selector]; + struct sppctl_pdata *pctl = pinctrl_dev_get_drvdata(pctldev); + struct grp2fp_map g2fpm = pctl->g2fp_maps[group_selector]; + int i; + + switch (f->type) { + case pinmux_type_fpmx: + sppctl_first_master_set(&pctl->spp_gchip->chip, group_selector, + mux_f_mux, mux_m_keep); + sppctl_func_set(pctl, func_selector, sppctl_fully_pinmux_conv(group_selector)); + break; + + case pinmux_type_grp: + for (i = 0; i < f->grps[g2fpm.g_idx].pnum; i++) + sppctl_first_master_set(&pctl->spp_gchip->chip, + f->grps[g2fpm.g_idx].pins[i], + mux_f_mux, mux_m_keep); + sppctl_gmx_set(pctl, f->roff, f->boff, f->blen, f->grps[g2fpm.g_idx].gval); + break; + + default: + dev_err(pctldev->dev, "Unknown pinmux type (func_selector: %d, type: %d)\n", + func_selector, f->type); + break; + } + + return 0; +} + +static int sppctl_gpio_request_enable(struct pinctrl_dev *pctldev, + struct pinctrl_gpio_range *range, unsigned int offset) +{ + struct sppctl_pdata *pctl = pinctrl_dev_get_drvdata(pctldev); + int g_f, g_m; + + g_f = sppctl_first_get(&pctl->spp_gchip->chip, offset); + g_m = sppctl_master_get(&pctl->spp_gchip->chip, offset); + if (g_f == mux_f_gpio && g_m == mux_m_gpio) + return 0; + + sppctl_first_master_set(&pctl->spp_gchip->chip, offset, mux_f_gpio, mux_m_gpio); + return 0; +} + +static const struct pinmux_ops sppctl_pinmux_ops = { + .get_functions_count = sppctl_get_functions_count, + .get_function_name = sppctl_get_function_name, + .get_function_groups = sppctl_get_function_groups, + .set_mux = sppctl_set_mux, + .gpio_request_enable = sppctl_gpio_request_enable, + .strict = true, +}; + +static int sppctl_get_groups_count(struct pinctrl_dev *pctldev) +{ + struct sppctl_pdata *pctl = pinctrl_dev_get_drvdata(pctldev); + + return pctl->unq_grps_sz; +} + +static const char *sppctl_get_group_name(struct pinctrl_dev *pctldev, unsigned int selector) +{ + struct sppctl_pdata *pctl = pinctrl_dev_get_drvdata(pctldev); + + return pctl->unq_grps[selector]; +} + +static int sppctl_get_group_pins(struct pinctrl_dev *pctldev, unsigned int selector, + const unsigned int **pins, unsigned int *num_pins) +{ + struct sppctl_pdata *pctl = pinctrl_dev_get_drvdata(pctldev); + struct grp2fp_map g2fpm = pctl->g2fp_maps[selector]; + const struct sppctl_func *f; + + f = &sppctl_list_funcs[g2fpm.f_idx]; + *num_pins = 0; + + /* Except group-pinmux, each group has 1 pin. */ + if (f->type != pinmux_type_grp) { + *num_pins = 1; + *pins = &sppctl_pins_gpio[selector]; + return 0; + } + + /* Group-pinmux may have more than one pin. */ + if (!f->grps) + return 0; + + if (f->gnum < 1) + return 0; + + *num_pins = f->grps[g2fpm.g_idx].pnum; + *pins = f->grps[g2fpm.g_idx].pins; + + return 0; +} + +#ifdef CONFIG_DEBUG_FS +static void sppctl_pin_dbg_show(struct pinctrl_dev *pctldev, struct seq_file *s, + unsigned int offset) +{ + struct sppctl_pdata *pctl = pinctrl_dev_get_drvdata(pctldev); + const char *pin_type; + u8 first, master; + + first = sppctl_first_get(&pctl->spp_gchip->chip, offset); + master = sppctl_master_get(&pctl->spp_gchip->chip, offset); + if (first) + if (master) + pin_type = "GPIO"; + else + pin_type = " IOP"; + else + pin_type = " MUX"; + seq_printf(s, " %s", pin_type); +} +#endif + +static int sppctl_dt_node_to_map(struct pinctrl_dev *pctldev, struct device_node *np_config, + struct pinctrl_map **map, unsigned int *num_maps) +{ + struct sppctl_pdata *pctl = pinctrl_dev_get_drvdata(pctldev); + int nmG = of_property_count_strings(np_config, "groups"); + const struct sppctl_func *f = NULL; + u8 pin_num, pin_type, pin_func; + struct device_node *parent; + unsigned long *configs; + struct property *prop; + const char *s_f, *s_g; + + const __be32 *list; + u32 dt_pin, dt_fun; + int i, size = 0; + + list = of_get_property(np_config, "sunplus,pins", &size); + + if (nmG <= 0) + nmG = 0; + + parent = of_get_parent(np_config); + *num_maps = size / sizeof(*list); + + /* + * Process property: + * sunplus,pins = < u32 u32 u32 ... >; + * + * Each 32-bit integer defines a individual pin in which: + * + * Bit 32~24: defines GPIO pin number. Its range is 0 ~ 98. + * Bit 23~16: defines types: (1) fully-pinmux pins + * (2) IO processor pins + * (3) digital GPIO pins + * Bit 15~8: defines pins of peripherals (which are defined in + * 'include/dt-binging/pinctrl/sppctl.h'). + * Bit 7~0: defines types or initial-state of digital GPIO pins. + */ + for (i = 0; i < (*num_maps); i++) { + dt_pin = be32_to_cpu(list[i]); + pin_num = FIELD_GET(GENMASK(31, 24), dt_pin); + + if (pin_num >= sppctl_pins_all_sz) { + dev_err(pctldev->dev, "Invalid pin property at index %d (0x%08x)\n", + i, dt_pin); + return -EINVAL; + } + } + + *map = kcalloc(*num_maps + nmG, sizeof(**map), GFP_KERNEL); + for (i = 0; i < (*num_maps); i++) { + dt_pin = be32_to_cpu(list[i]); + pin_num = FIELD_GET(GENMASK(31, 24), dt_pin); + pin_type = FIELD_GET(GENMASK(23, 16), dt_pin); + pin_func = FIELD_GET(GENMASK(15, 8), dt_pin); + (*map)[i].name = parent->name; + + if (pin_type == SPPCTL_PCTL_G_GPIO) { + /* A digital GPIO pin */ + (*map)[i].type = PIN_MAP_TYPE_CONFIGS_PIN; + (*map)[i].data.configs.num_configs = 1; + (*map)[i].data.configs.group_or_pin = pin_get_name(pctldev, pin_num); + configs = kmalloc(sizeof(*configs), GFP_KERNEL); + *configs = FIELD_GET(GENMASK(7, 0), dt_pin); + (*map)[i].data.configs.configs = configs; + + dev_dbg(pctldev->dev, "%s: GPIO (%s)\n", + (*map)[i].data.configs.group_or_pin, + (*configs & (SPPCTL_PCTL_L_OUT | SPPCTL_PCTL_L_OU1)) ? + "OUT" : "IN"); + } else if (pin_type == SPPCTL_PCTL_G_IOPP) { + /* A IO Processor (IOP) pin */ + (*map)[i].type = PIN_MAP_TYPE_CONFIGS_PIN; + (*map)[i].data.configs.num_configs = 1; + (*map)[i].data.configs.group_or_pin = pin_get_name(pctldev, pin_num); + configs = kmalloc(sizeof(*configs), GFP_KERNEL); + *configs = SPPCTL_IOP_CONFIGS; + (*map)[i].data.configs.configs = configs; + + dev_dbg(pctldev->dev, "%s: IOP\n", + (*map)[i].data.configs.group_or_pin); + } else { + /* A fully-pinmux pin */ + (*map)[i].type = PIN_MAP_TYPE_MUX_GROUP; + (*map)[i].data.mux.function = sppctl_list_funcs[pin_func].name; + (*map)[i].data.mux.group = pin_get_name(pctldev, pin_num); + + dev_dbg(pctldev->dev, "%s: %s\n", (*map)[i].data.mux.group, + (*map)[i].data.mux.function); + } + } + + /* + * Process properties: + * function = "xxx"; + * groups = "yyy"; + */ + if (nmG > 0 && of_property_read_string(np_config, "function", &s_f) == 0) { + of_property_for_each_string(np_config, "groups", prop, s_g) { + (*map)[*num_maps].type = PIN_MAP_TYPE_MUX_GROUP; + (*map)[*num_maps].data.mux.function = s_f; + (*map)[*num_maps].data.mux.group = s_g; + (*num_maps)++; + + dev_dbg(pctldev->dev, "%s: %s\n", s_f, s_g); + } + } + + /* + * Process property: + * sunplus,zerofunc = < u32 u32 u32 ...> + */ + list = of_get_property(np_config, "sunplus,zerofunc", &size); + if (list) { + for (i = 0; i < (size / sizeof(*list)); i++) { + dt_fun = be32_to_cpu(list[i]); + if (dt_fun >= sppctl_list_funcs_sz) { + dev_err(pctldev->dev, "Zero-func %d out of range!\n", + dt_fun); + continue; + } + + f = &sppctl_list_funcs[dt_fun]; + switch (f->type) { + case pinmux_type_fpmx: + sppctl_func_set(pctl, dt_fun, 0); + dev_dbg(pctldev->dev, "%s: No map\n", f->name); + break; + + case pinmux_type_grp: + sppctl_gmx_set(pctl, f->roff, f->boff, f->blen, 0); + dev_dbg(pctldev->dev, "%s: No map\n", f->name); + break; + + default: + dev_err(pctldev->dev, "Wrong zero-group: %d (%s)\n", + dt_fun, f->name); + break; + } + } + } + + of_node_put(parent); + dev_dbg(pctldev->dev, "%d pins mapped\n", *num_maps); + return 0; +} + +static const struct pinctrl_ops sppctl_pctl_ops = { + .get_groups_count = sppctl_get_groups_count, + .get_group_name = sppctl_get_group_name, + .get_group_pins = sppctl_get_group_pins, +#ifdef CONFIG_DEBUG_FS + .pin_dbg_show = sppctl_pin_dbg_show, +#endif + .dt_node_to_map = sppctl_dt_node_to_map, + .dt_free_map = pinctrl_utils_free_map, +}; + +static int sppctl_group_groups(struct platform_device *pdev) +{ + struct sppctl_pdata *sppctl = platform_get_drvdata(pdev); + int i, k, j; + + /* Calculate number of total group (GPIO + group-pinmux group). */ + sppctl->unq_grps_sz = sppctl_gpio_list_sz; + for (i = 0; i < sppctl_list_funcs_sz; i++) + if (sppctl_list_funcs[i].type == pinmux_type_grp) + sppctl->unq_grps_sz += sppctl_list_funcs[i].gnum; + + sppctl->unq_grps = devm_kcalloc(&pdev->dev, sppctl->unq_grps_sz + 1, + sizeof(*sppctl->unq_grps), GFP_KERNEL); + if (!sppctl->unq_grps) + return -ENOMEM; + + sppctl->g2fp_maps = devm_kcalloc(&pdev->dev, sppctl->unq_grps_sz + 1, + sizeof(*sppctl->g2fp_maps), GFP_KERNEL); + if (!sppctl->g2fp_maps) + return -ENOMEM; + + /* Add GPIO pins. */ + for (i = 0; i < sppctl_gpio_list_sz; i++) { + sppctl->unq_grps[i] = sppctl_gpio_list_s[i]; + sppctl->g2fp_maps[i].f_idx = 0; + sppctl->g2fp_maps[i].g_idx = i; + } + + /* Add group-pinmux to end of GPIO pins. */ + j = sppctl_gpio_list_sz; + for (i = 0; i < sppctl_list_funcs_sz; i++) { + if (sppctl_list_funcs[i].type != pinmux_type_grp) + continue; + + for (k = 0; k < sppctl_list_funcs[i].gnum; k++) { + sppctl->unq_grps[j] = sppctl_list_funcs[i].grps[k].name; + sppctl->g2fp_maps[j].f_idx = i; + sppctl->g2fp_maps[j].g_idx = k; + j++; + } + } + + return 0; +} + +static int sppctl_pinctrl_init(struct platform_device *pdev) +{ + struct sppctl_pdata *sppctl = platform_get_drvdata(pdev); + int err; + + sppctl->pctl_desc.owner = THIS_MODULE; + sppctl->pctl_desc.name = dev_name(&pdev->dev); + sppctl->pctl_desc.pins = sppctl_pins_all; + sppctl->pctl_desc.npins = sppctl_pins_all_sz; + sppctl->pctl_desc.pctlops = &sppctl_pctl_ops; + sppctl->pctl_desc.confops = &sppctl_pconf_ops; + sppctl->pctl_desc.pmxops = &sppctl_pinmux_ops; + + err = sppctl_group_groups(pdev); + if (err) + return err; + + err = devm_pinctrl_register_and_init(&pdev->dev, &sppctl->pctl_desc, + sppctl, &sppctl->pctl_dev); + if (err) + return dev_err_probe(&pdev->dev, err, "Failed to register pinctrl!\n"); + + pinctrl_enable(sppctl->pctl_dev); + return 0; +} + +static int sppctl_resource_map(struct platform_device *pdev, struct sppctl_pdata *sppctl) +{ + sppctl->moon2_base = devm_platform_ioremap_resource_byname(pdev, "moon2"); + if (IS_ERR(sppctl->moon2_base)) + return PTR_ERR(sppctl->moon2_base); + + sppctl->gpioxt_base = devm_platform_ioremap_resource_byname(pdev, "gpioxt"); + if (IS_ERR(sppctl->gpioxt_base)) + return PTR_ERR(sppctl->gpioxt_base); + + sppctl->first_base = devm_platform_ioremap_resource_byname(pdev, "first"); + if (IS_ERR(sppctl->first_base)) + return PTR_ERR(sppctl->first_base); + + sppctl->moon1_base = devm_platform_ioremap_resource_byname(pdev, "moon1"); + if (IS_ERR(sppctl->moon1_base)) + return PTR_ERR(sppctl->moon1_base); + + return 0; +} + +static int sppctl_probe(struct platform_device *pdev) +{ + struct sppctl_pdata *sppctl; + int ret; + + sppctl = devm_kzalloc(&pdev->dev, sizeof(*sppctl), GFP_KERNEL); + if (!sppctl) + return -ENOMEM; + platform_set_drvdata(pdev, sppctl); + + ret = sppctl_resource_map(pdev, sppctl); + if (ret) + return ret; + + ret = sppctl_gpio_new(pdev, sppctl); + if (ret) + return ret; + + ret = sppctl_pinctrl_init(pdev); + if (ret) + return ret; + + pinctrl_add_gpio_range(sppctl->pctl_dev, &sppctl->pctl_grange); + + return 0; +} + +static const struct of_device_id sppctl_match_table[] = { + { .compatible = "sunplus,sp7021-pctl" }, + { /* sentinel */ } +}; + +static struct platform_driver sppctl_pinctrl_driver = { + .driver = { + .name = SPPCTL_MODULE_NAME, + .of_match_table = sppctl_match_table, + }, + .probe = sppctl_probe, +}; +builtin_platform_driver(sppctl_pinctrl_driver) + +MODULE_AUTHOR("Dvorkin Dmitry "); +MODULE_AUTHOR("Wells Lu "); +MODULE_DESCRIPTION("Sunplus SP7021 Pin Control and GPIO driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/pinctrl/sunplus/sppctl.h b/drivers/pinctrl/sunplus/sppctl.h new file mode 100644 index 0000000..6210f22 --- /dev/null +++ b/drivers/pinctrl/sunplus/sppctl.h @@ -0,0 +1,170 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * SP7021 Pin Controller Driver. + * Copyright (C) Sunplus Tech / Tibbo Tech. + */ + +#ifndef __SPPCTL_H__ +#define __SPPCTL_H__ + +#include +#include +#include +#include +#include +#include + +#define SPPCTL_MODULE_NAME "sppctl_sp7021" + +#define SPPCTL_GPIO_OFF_FIRST 0x00 +#define SPPCTL_GPIO_OFF_MASTER 0x00 +#define SPPCTL_GPIO_OFF_OE 0x20 +#define SPPCTL_GPIO_OFF_OUT 0x40 +#define SPPCTL_GPIO_OFF_IN 0x60 +#define SPPCTL_GPIO_OFF_IINV 0x80 +#define SPPCTL_GPIO_OFF_OINV 0xa0 +#define SPPCTL_GPIO_OFF_OD 0xc0 + +#define SPPCTL_FULLY_PINMUX_MASK_MASK GENMASK(22, 16) +#define SPPCTL_FULLY_PINMUX_SEL_MASK GENMASK(6, 0) +#define SPPCTL_FULLY_PINMUX_UPPER_SHIFT 8 + +/* + * Mask-fields and control-fields of MOON registers of SP7021 are + * arranged as shown below: + * + * register | mask-fields | control-fields + * ----------+--------------+---------------- + * base[0] | (31 : 16) | (15 : 0) + * base[1] | (31 : 24) | (15 : 0) + * base[2] | (31 : 24) | (15 : 0) + * : | : | : + * + * where mask-fields are used to protect control-fields from write-in + * accidentally. Set the corresponding bits in the mask-field before + * you write a value into a control-field. + */ +#define SPPCTL_MOON_REG_MASK_SHIFT 16 +#define SPPCTL_SET_MOON_REG_BIT(bit) (BIT((bit) + SPPCTL_MOON_REG_MASK_SHIFT) | BIT(bit)) +#define SPPCTL_CLR_MOON_REG_BIT(bit) BIT((bit) + SPPCTL_MOON_REG_MASK_SHIFT) + +#define SPPCTL_IOP_CONFIGS 0xff + +#define FNCE(n, r, o, bo, bl, g) { \ + .name = n, \ + .type = r, \ + .roff = o, \ + .boff = bo, \ + .blen = bl, \ + .grps = (g), \ + .gnum = ARRAY_SIZE(g), \ +} + +#define FNCN(n, r, o, bo, bl) { \ + .name = n, \ + .type = r, \ + .roff = o, \ + .boff = bo, \ + .blen = bl, \ + .grps = NULL, \ + .gnum = 0, \ +} + +#define EGRP(n, v, p) { \ + .name = n, \ + .gval = (v), \ + .pins = (p), \ + .pnum = ARRAY_SIZE(p), \ +} + +/** + * enum mux_first_reg - Define modes of access of FIRST register + * @mux_f_mux: Set the corresponding pin to a fully-pinmux pin + * @mux_f_gpio: Set the corresponding pin to a GPIO or IOP pin + * @mux_f_keep: Don't change (keep intact) + */ +enum mux_first_reg { + mux_f_mux = 0, + mux_f_gpio = 1, + mux_f_keep = 2, +}; + +/** + * enum mux_master_reg - Define modes of access of MASTER register + * @mux_m_iop: Set the corresponding pin to an IO processor (IOP) pin + * @mux_m_gpio: Set the corresponding pin to a digital GPIO pin + * @mux_m_keep: Don't change (keep intact) + */ +enum mux_master_reg { + mux_m_iop = 0, + mux_m_gpio = 1, + mux_m_keep = 2, +}; + +/** + * enum pinmux_type - Define types of pinmux pins + * @pinmux_type_fpmx: A fully-pinmux pin + * @pinmux_type_grp: A group-pinmux pin + */ +enum pinmux_type { + pinmux_type_fpmx, + pinmux_type_grp, +}; + +/** + * struct grp2fp_map - A map storing indexes + * @f_idx: an index to function table + * @g_idx: an index to group table + */ +struct grp2fp_map { + u16 f_idx; + u16 g_idx; +}; + +struct sppctl_gpio_chip; + +struct sppctl_pdata { + void __iomem *moon2_base; /* MOON2 */ + void __iomem *gpioxt_base; /* MASTER, OE, OUT, IN, I_INV, O_INV, OD */ + void __iomem *first_base; /* FIRST */ + void __iomem *moon1_base; /* MOON1 */ + + struct pinctrl_desc pctl_desc; + struct pinctrl_dev *pctl_dev; + struct pinctrl_gpio_range pctl_grange; + struct sppctl_gpio_chip *spp_gchip; + + char const **unq_grps; + size_t unq_grps_sz; + struct grp2fp_map *g2fp_maps; +}; + +struct sppctl_grp { + const char * const name; + const u8 gval; /* group number */ + const unsigned * const pins; /* list of pins */ + const unsigned int pnum; /* number of pins */ +}; + +struct sppctl_func { + const char * const name; + const enum pinmux_type type; /* function type */ + const u8 roff; /* register offset */ + const u8 boff; /* bit offset */ + const u8 blen; /* bit length */ + const struct sppctl_grp * const grps; /* list of groups */ + const unsigned int gnum; /* number of groups */ +}; + +extern const struct sppctl_func sppctl_list_funcs[]; +extern const char * const sppctl_pmux_list_s[]; +extern const char * const sppctl_gpio_list_s[]; +extern const struct pinctrl_pin_desc sppctl_pins_all[]; +extern const unsigned int sppctl_pins_gpio[]; + +extern const size_t sppctl_list_funcs_sz; +extern const size_t sppctl_pmux_list_sz; +extern const size_t sppctl_gpio_list_sz; +extern const size_t sppctl_pins_all_sz; + +#endif diff --git a/drivers/pinctrl/sunplus/sppctl_sp7021.c b/drivers/pinctrl/sunplus/sppctl_sp7021.c new file mode 100644 index 0000000..9748345 --- /dev/null +++ b/drivers/pinctrl/sunplus/sppctl_sp7021.c @@ -0,0 +1,583 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * SP7021 Pin Controller Driver. + * Copyright (C) Sunplus Tech / Tibbo Tech. + */ + +#include +#include +#include + +#include "sppctl.h" + +#define D_PIS(x, y) "P" __stringify(x) "_0" __stringify(y) +#define D(x, y) ((x) * 8 + (y)) +#define P(x, y) PINCTRL_PIN(D(x, y), D_PIS(x, y)) + +const char * const sppctl_gpio_list_s[] = { + D_PIS(0, 0), D_PIS(0, 1), D_PIS(0, 2), D_PIS(0, 3), + D_PIS(0, 4), D_PIS(0, 5), D_PIS(0, 6), D_PIS(0, 7), + D_PIS(1, 0), D_PIS(1, 1), D_PIS(1, 2), D_PIS(1, 3), + D_PIS(1, 4), D_PIS(1, 5), D_PIS(1, 6), D_PIS(1, 7), + D_PIS(2, 0), D_PIS(2, 1), D_PIS(2, 2), D_PIS(2, 3), + D_PIS(2, 4), D_PIS(2, 5), D_PIS(2, 6), D_PIS(2, 7), + D_PIS(3, 0), D_PIS(3, 1), D_PIS(3, 2), D_PIS(3, 3), + D_PIS(3, 4), D_PIS(3, 5), D_PIS(3, 6), D_PIS(3, 7), + D_PIS(4, 0), D_PIS(4, 1), D_PIS(4, 2), D_PIS(4, 3), + D_PIS(4, 4), D_PIS(4, 5), D_PIS(4, 6), D_PIS(4, 7), + D_PIS(5, 0), D_PIS(5, 1), D_PIS(5, 2), D_PIS(5, 3), + D_PIS(5, 4), D_PIS(5, 5), D_PIS(5, 6), D_PIS(5, 7), + D_PIS(6, 0), D_PIS(6, 1), D_PIS(6, 2), D_PIS(6, 3), + D_PIS(6, 4), D_PIS(6, 5), D_PIS(6, 6), D_PIS(6, 7), + D_PIS(7, 0), D_PIS(7, 1), D_PIS(7, 2), D_PIS(7, 3), + D_PIS(7, 4), D_PIS(7, 5), D_PIS(7, 6), D_PIS(7, 7), + D_PIS(8, 0), D_PIS(8, 1), D_PIS(8, 2), D_PIS(8, 3), + D_PIS(8, 4), D_PIS(8, 5), D_PIS(8, 6), D_PIS(8, 7), + D_PIS(9, 0), D_PIS(9, 1), D_PIS(9, 2), D_PIS(9, 3), + D_PIS(9, 4), D_PIS(9, 5), D_PIS(9, 6), D_PIS(9, 7), + D_PIS(10, 0), D_PIS(10, 1), D_PIS(10, 2), D_PIS(10, 3), + D_PIS(10, 4), D_PIS(10, 5), D_PIS(10, 6), D_PIS(10, 7), + D_PIS(11, 0), D_PIS(11, 1), D_PIS(11, 2), D_PIS(11, 3), + D_PIS(11, 4), D_PIS(11, 5), D_PIS(11, 6), D_PIS(11, 7), + D_PIS(12, 0), D_PIS(12, 1), D_PIS(12, 2), +}; + +const size_t sppctl_gpio_list_sz = ARRAY_SIZE(sppctl_gpio_list_s); + +const unsigned int sppctl_pins_gpio[] = { + D(0, 0), D(0, 1), D(0, 2), D(0, 3), D(0, 4), D(0, 5), D(0, 6), D(0, 7), + D(1, 0), D(1, 1), D(1, 2), D(1, 3), D(1, 4), D(1, 5), D(1, 6), D(1, 7), + D(2, 0), D(2, 1), D(2, 2), D(2, 3), D(2, 4), D(2, 5), D(2, 6), D(2, 7), + D(3, 0), D(3, 1), D(3, 2), D(3, 3), D(3, 4), D(3, 5), D(3, 6), D(3, 7), + D(4, 0), D(4, 1), D(4, 2), D(4, 3), D(4, 4), D(4, 5), D(4, 6), D(4, 7), + D(5, 0), D(5, 1), D(5, 2), D(5, 3), D(5, 4), D(5, 5), D(5, 6), D(5, 7), + D(6, 0), D(6, 1), D(6, 2), D(6, 3), D(6, 4), D(6, 5), D(6, 6), D(6, 7), + D(7, 0), D(7, 1), D(7, 2), D(7, 3), D(7, 4), D(7, 5), D(7, 6), D(7, 7), + D(8, 0), D(8, 1), D(8, 2), D(8, 3), D(8, 4), D(8, 5), D(8, 6), D(8, 7), + D(9, 0), D(9, 1), D(9, 2), D(9, 3), D(9, 4), D(9, 5), D(9, 6), D(9, 7), + D(10, 0), D(10, 1), D(10, 2), D(10, 3), D(10, 4), D(10, 5), D(10, 6), D(10, 7), + D(11, 0), D(11, 1), D(11, 2), D(11, 3), D(11, 4), D(11, 5), D(11, 6), D(11, 7), + D(12, 0), D(12, 1), D(12, 2), +}; + +const struct pinctrl_pin_desc sppctl_pins_all[] = { + /* gpio and iop only */ + P(0, 0), P(0, 1), P(0, 2), P(0, 3), P(0, 4), P(0, 5), P(0, 6), P(0, 7), + /* gpio, iop, muxable */ + P(1, 0), P(1, 1), P(1, 2), P(1, 3), P(1, 4), P(1, 5), P(1, 6), P(1, 7), + P(2, 0), P(2, 1), P(2, 2), P(2, 3), P(2, 4), P(2, 5), P(2, 6), P(2, 7), + P(3, 0), P(3, 1), P(3, 2), P(3, 3), P(3, 4), P(3, 5), P(3, 6), P(3, 7), + P(4, 0), P(4, 1), P(4, 2), P(4, 3), P(4, 4), P(4, 5), P(4, 6), P(4, 7), + P(5, 0), P(5, 1), P(5, 2), P(5, 3), P(5, 4), P(5, 5), P(5, 6), P(5, 7), + P(6, 0), P(6, 1), P(6, 2), P(6, 3), P(6, 4), P(6, 5), P(6, 6), P(6, 7), + P(7, 0), P(7, 1), P(7, 2), P(7, 3), P(7, 4), P(7, 5), P(7, 6), P(7, 7), + P(8, 0), P(8, 1), P(8, 2), P(8, 3), P(8, 4), P(8, 5), P(8, 6), P(8, 7), + /* gpio and iop only */ + P(9, 0), P(9, 1), P(9, 2), P(9, 3), P(9, 4), P(9, 5), P(9, 6), P(9, 7), + P(10, 0), P(10, 1), P(10, 2), P(10, 3), P(10, 4), P(10, 5), P(10, 6), P(10, 7), + P(11, 0), P(11, 1), P(11, 2), P(11, 3), P(11, 4), P(11, 5), P(11, 6), P(11, 7), + P(12, 0), P(12, 1), P(12, 2), +}; + +const size_t sppctl_pins_all_sz = ARRAY_SIZE(sppctl_pins_all); + +const char * const sppctl_pmux_list_s[] = { + D_PIS(0, 0), + D_PIS(1, 0), D_PIS(1, 1), D_PIS(1, 2), D_PIS(1, 3), + D_PIS(1, 4), D_PIS(1, 5), D_PIS(1, 6), D_PIS(1, 7), + D_PIS(2, 0), D_PIS(2, 1), D_PIS(2, 2), D_PIS(2, 3), + D_PIS(2, 4), D_PIS(2, 5), D_PIS(2, 6), D_PIS(2, 7), + D_PIS(3, 0), D_PIS(3, 1), D_PIS(3, 2), D_PIS(3, 3), + D_PIS(3, 4), D_PIS(3, 5), D_PIS(3, 6), D_PIS(3, 7), + D_PIS(4, 0), D_PIS(4, 1), D_PIS(4, 2), D_PIS(4, 3), + D_PIS(4, 4), D_PIS(4, 5), D_PIS(4, 6), D_PIS(4, 7), + D_PIS(5, 0), D_PIS(5, 1), D_PIS(5, 2), D_PIS(5, 3), + D_PIS(5, 4), D_PIS(5, 5), D_PIS(5, 6), D_PIS(5, 7), + D_PIS(6, 0), D_PIS(6, 1), D_PIS(6, 2), D_PIS(6, 3), + D_PIS(6, 4), D_PIS(6, 5), D_PIS(6, 6), D_PIS(6, 7), + D_PIS(7, 0), D_PIS(7, 1), D_PIS(7, 2), D_PIS(7, 3), + D_PIS(7, 4), D_PIS(7, 5), D_PIS(7, 6), D_PIS(7, 7), + D_PIS(8, 0), D_PIS(8, 1), D_PIS(8, 2), D_PIS(8, 3), + D_PIS(8, 4), D_PIS(8, 5), D_PIS(8, 6), D_PIS(8, 7), +}; + +const size_t sppctl_pmux_list_sz = ARRAY_SIZE(sppctl_pmux_list_s); + +static const unsigned int pins_spif1[] = { + D(10, 3), D(10, 4), D(10, 6), D(10, 7), +}; + +static const unsigned int pins_spif2[] = { + D(9, 4), D(9, 6), D(9, 7), D(10, 1), +}; + +static const struct sppctl_grp sp7021grps_spif[] = { + EGRP("SPI_FLASH1", 1, pins_spif1), + EGRP("SPI_FLASH2", 2, pins_spif2), +}; + +static const unsigned int pins_spi41[] = { + D(10, 2), D(10, 5), +}; + +static const unsigned int pins_spi42[] = { + D(9, 5), D(9, 8), +}; + +static const struct sppctl_grp sp7021grps_spi4[] = { + EGRP("SPI_FLASH_4BIT1", 1, pins_spi41), + EGRP("SPI_FLASH_4BIT2", 2, pins_spi42), +}; + +static const unsigned int pins_snan[] = { + D(9, 4), D(9, 5), D(9, 6), D(9, 7), D(10, 0), D(10, 1), +}; + +static const struct sppctl_grp sp7021grps_snan[] = { + EGRP("SPI_NAND", 1, pins_snan), +}; + +static const unsigned int pins_emmc[] = { + D(9, 0), D(9, 1), D(9, 2), D(9, 3), D(9, 4), D(9, 5), + D(9, 6), D(9, 7), D(10, 0), D(10, 1), +}; + +static const struct sppctl_grp sp7021grps_emmc[] = { + EGRP("CARD0_EMMC", 1, pins_emmc), +}; + +static const unsigned int pins_sdsd[] = { + D(8, 1), D(8, 2), D(8, 3), D(8, 4), D(8, 5), D(8, 6), +}; + +static const struct sppctl_grp sp7021grps_sdsd[] = { + EGRP("SD_CARD", 1, pins_sdsd), +}; + +static const unsigned int pins_uar0[] = { + D(11, 0), D(11, 1), +}; + +static const struct sppctl_grp sp7021grps_uar0[] = { + EGRP("UA0", 1, pins_uar0), +}; + +static const unsigned int pins_adbg1[] = { + D(10, 2), D(10, 3), +}; + +static const unsigned int pins_adbg2[] = { + D(7, 1), D(7, 2), +}; + +static const struct sppctl_grp sp7021grps_adbg[] = { + EGRP("ACHIP_DEBUG1", 1, pins_adbg1), + EGRP("ACHIP_DEBUG2", 2, pins_adbg2), +}; + +static const unsigned int pins_aua2axi1[] = { + D(2, 0), D(2, 1), D(2, 2), +}; + +static const unsigned int pins_aua2axi2[] = { + D(1, 0), D(1, 1), D(1, 2), +}; + +static const struct sppctl_grp sp7021grps_au2x[] = { + EGRP("ACHIP_UA2AXI1", 1, pins_aua2axi1), + EGRP("ACHIP_UA2AXI2", 2, pins_aua2axi2), +}; + +static const unsigned int pins_fpga[] = { + D(0, 2), D(0, 3), D(0, 4), D(0, 5), D(0, 6), D(0, 7), + D(1, 0), D(1, 1), D(1, 2), D(1, 3), D(1, 4), D(1, 5), + D(1, 6), D(1, 7), D(2, 0), D(2, 1), D(2, 2), D(2, 3), + D(2, 4), D(2, 5), D(2, 6), D(2, 7), D(3, 0), D(3, 1), + D(3, 2), D(3, 3), D(3, 4), D(3, 5), D(3, 6), D(3, 7), + D(4, 0), D(4, 1), D(4, 2), D(4, 3), D(4, 4), D(4, 5), + D(4, 6), D(4, 7), D(5, 0), D(5, 1), D(5, 2), +}; + +static const struct sppctl_grp sp7021grps_fpga[] = { + EGRP("FPGA_IFX", 1, pins_fpga), +}; + +static const unsigned int pins_hdmi1[] = { + D(10, 6), D(12, 2), D(12, 1), +}; + +static const unsigned int pins_hdmi2[] = { + D(8, 3), D(8, 5), D(8, 6), +}; + +static const unsigned int pins_hdmi3[] = { + D(7, 4), D(7, 6), D(7, 7), +}; + +static const struct sppctl_grp sp7021grps_hdmi[] = { + EGRP("HDMI_TX1", 1, pins_hdmi1), + EGRP("HDMI_TX2", 2, pins_hdmi2), + EGRP("HDMI_TX3", 3, pins_hdmi3), +}; + +static const unsigned int pins_eadc[] = { + D(1, 0), D(1, 1), D(1, 2), D(1, 3), D(1, 4), D(1, 5), D(1, 6), +}; + +static const struct sppctl_grp sp7021grps_eadc[] = { + EGRP("AUD_EXT_ADC_IFX0", 1, pins_eadc), +}; + +static const unsigned int pins_edac[] = { + D(2, 5), D(2, 6), D(2, 7), D(3, 0), D(3, 1), D(3, 2), D(3, 4), +}; + +static const struct sppctl_grp sp7021grps_edac[] = { + EGRP("AUD_EXT_DAC_IFX0", 1, pins_edac), +}; + +static const unsigned int pins_spdi[] = { + D(2, 4), +}; + +static const struct sppctl_grp sp7021grps_spdi[] = { + EGRP("AUD_IEC_RX0", 1, pins_spdi), +}; + +static const unsigned int pins_spdo[] = { + D(3, 6), +}; + +static const struct sppctl_grp sp7021grps_spdo[] = { + EGRP("AUD_IEC_TX0", 1, pins_spdo), +}; + +static const unsigned int pins_tdmt[] = { + D(2, 5), D(2, 6), D(2, 7), D(3, 0), D(3, 1), D(3, 2), +}; + +static const struct sppctl_grp sp7021grps_tdmt[] = { + EGRP("TDMTX_IFX0", 1, pins_tdmt), +}; + +static const unsigned int pins_tdmr[] = { + D(1, 7), D(2, 0), D(2, 1), D(2, 2), +}; + +static const struct sppctl_grp sp7021grps_tdmr[] = { + EGRP("TDMRX_IFX0", 1, pins_tdmr), +}; + +static const unsigned int pins_pdmr[] = { + D(1, 7), D(2, 0), D(2, 1), D(2, 2), D(2, 3), +}; + +static const struct sppctl_grp sp7021grps_pdmr[] = { + EGRP("PDMRX_IFX0", 1, pins_pdmr), +}; + +static const unsigned int pins_pcmt[] = { + D(3, 7), D(4, 0), D(4, 1), D(4, 2), D(4, 3), D(4, 4), +}; + +static const struct sppctl_grp sp7021grps_pcmt[] = { + EGRP("PCM_IEC_TX", 1, pins_pcmt), +}; + +static const unsigned int pins_lcdi[] = { + D(1, 4), D(1, 5), D(1, 6), D(1, 7), D(2, 0), D(2, 1), D(2, 2), D(2, 3), + D(2, 4), D(2, 5), D(2, 6), D(2, 7), D(3, 0), D(3, 1), D(3, 2), D(3, 3), + D(3, 4), D(3, 5), D(3, 6), D(3, 7), D(4, 0), D(4, 1), D(4, 2), D(4, 3), + D(4, 4), D(4, 5), D(4, 6), D(4, 7), +}; + +static const struct sppctl_grp sp7021grps_lcdi[] = { + EGRP("LCDIF", 1, pins_lcdi), +}; + +static const unsigned int pins_dvdd[] = { + D(7, 0), D(7, 1), D(7, 2), D(7, 3), D(7, 4), D(7, 5), D(7, 6), D(7, 7), + D(8, 0), D(8, 1), D(8, 2), D(8, 3), D(8, 4), D(8, 5), +}; + +static const struct sppctl_grp sp7021grps_dvdd[] = { + EGRP("DVD_DSP_DEBUG", 1, pins_dvdd), +}; + +static const unsigned int pins_i2cd[] = { + D(1, 0), D(1, 1), +}; + +static const struct sppctl_grp sp7021grps_i2cd[] = { + EGRP("I2C_DEBUG", 1, pins_i2cd), +}; + +static const unsigned int pins_i2cs[] = { + D(0, 0), D(0, 1), +}; + +static const struct sppctl_grp sp7021grps_i2cs[] = { + EGRP("I2C_SLAVE", 1, pins_i2cs), +}; + +static const unsigned int pins_wakp[] = { + D(10, 5), +}; + +static const struct sppctl_grp sp7021grps_wakp[] = { + EGRP("WAKEUP", 1, pins_wakp), +}; + +static const unsigned int pins_u2ax[] = { + D(2, 0), D(2, 1), D(3, 0), D(3, 1), +}; + +static const struct sppctl_grp sp7021grps_u2ax[] = { + EGRP("UART2AXI", 1, pins_u2ax), +}; + +static const unsigned int pins_u0ic[] = { + D(0, 0), D(0, 1), D(0, 4), D(0, 5), D(1, 0), D(1, 1), +}; + +static const struct sppctl_grp sp7021grps_u0ic[] = { + EGRP("USB0_I2C", 1, pins_u0ic), +}; + +static const unsigned int pins_u1ic[] = { + D(0, 2), D(0, 3), D(0, 6), D(0, 7), D(1, 2), D(1, 3), +}; + +static const struct sppctl_grp sp7021grps_u1ic[] = { + EGRP("USB1_I2C", 1, pins_u1ic), +}; + +static const unsigned int pins_u0ot[] = { + D(11, 2), +}; + +static const struct sppctl_grp sp7021grps_u0ot[] = { + EGRP("USB0_OTG", 1, pins_u0ot), +}; + +static const unsigned int pins_u1ot[] = { + D(11, 3), +}; + +static const struct sppctl_grp sp7021grps_u1ot[] = { + EGRP("USB1_OTG", 1, pins_u1ot), +}; + +static const unsigned int pins_uphd[] = { + D(0, 1), D(0, 2), D(0, 3), D(7, 4), D(7, 5), D(7, 6), + D(7, 7), D(8, 0), D(8, 1), D(8, 2), D(8, 3), + D(9, 7), D(10, 2), D(10, 3), D(10, 4), +}; + +static const struct sppctl_grp sp7021grps_up0d[] = { + EGRP("UPHY0_DEBUG", 1, pins_uphd), +}; + +static const struct sppctl_grp sp7021grps_up1d[] = { + EGRP("UPHY1_DEBUG", 1, pins_uphd), +}; + +static const unsigned int pins_upex[] = { + D(0, 0), D(0, 1), D(0, 2), D(0, 3), D(0, 4), D(0, 5), D(0, 6), D(0, 7), + D(1, 0), D(1, 1), D(1, 2), D(1, 3), D(1, 4), D(1, 5), D(1, 6), D(1, 7), + D(2, 0), D(2, 1), D(2, 2), D(2, 3), D(2, 4), D(2, 5), D(2, 6), D(2, 7), + D(3, 0), D(3, 1), D(3, 2), D(3, 3), D(3, 4), D(3, 5), D(3, 6), D(3, 7), + D(4, 0), D(4, 1), D(4, 2), D(4, 3), D(4, 4), D(4, 5), D(4, 6), D(4, 7), + D(5, 0), D(5, 1), D(5, 2), D(5, 3), D(5, 4), D(5, 5), D(5, 6), D(5, 7), + D(6, 0), D(6, 1), D(6, 2), D(6, 3), D(6, 4), D(6, 5), D(6, 6), D(6, 7), + D(7, 0), D(7, 1), D(7, 2), D(7, 3), D(7, 4), D(7, 5), D(7, 6), D(7, 7), + D(8, 0), D(8, 1), D(8, 2), D(8, 3), D(8, 4), D(8, 5), D(8, 6), D(8, 7), + D(9, 0), D(9, 1), D(9, 2), D(9, 3), D(9, 4), D(9, 5), D(9, 6), D(9, 7), + D(10, 0), D(10, 1), D(10, 2), D(10, 3), D(10, 4), D(10, 5), D(10, 6), D(10, 7), +}; + +static const struct sppctl_grp sp7021grps_upex[] = { + EGRP("UPHY0_EXT", 1, pins_upex), +}; + +static const unsigned int pins_prp1[] = { + D(0, 6), D(0, 7), + D(1, 0), D(1, 1), D(1, 2), D(1, 3), D(1, 4), D(1, 5), D(1, 6), D(1, 7), + D(2, 1), D(2, 2), D(2, 3), D(2, 4), D(2, 5), D(2, 6), D(2, 7), + D(3, 0), D(3, 1), D(3, 2), +}; + +static const unsigned int pins_prp2[] = { + D(3, 4), D(3, 6), D(3, 7), + D(4, 0), D(4, 1), D(4, 2), D(4, 3), D(4, 4), D(4, 5), D(4, 6), D(4, 7), + D(5, 0), D(5, 1), D(5, 2), D(5, 3), D(5, 4), D(5, 5), D(5, 6), D(5, 7), + D(6, 4), +}; + +static const struct sppctl_grp sp7021grps_prbp[] = { + EGRP("PROBE_PORT1", 1, pins_prp1), + EGRP("PROBE_PORT2", 2, pins_prp2), +}; + +const struct sppctl_func sppctl_list_funcs[] = { + FNCN("L2SW_CLK_OUT", pinmux_type_fpmx, 0x00, 0, 7), + FNCN("L2SW_MAC_SMI_MDC", pinmux_type_fpmx, 0x00, 8, 7), + FNCN("L2SW_LED_FLASH0", pinmux_type_fpmx, 0x01, 0, 7), + FNCN("L2SW_LED_FLASH1", pinmux_type_fpmx, 0x01, 8, 7), + FNCN("L2SW_LED_ON0", pinmux_type_fpmx, 0x02, 0, 7), + FNCN("L2SW_LED_ON1", pinmux_type_fpmx, 0x02, 8, 7), + FNCN("L2SW_MAC_SMI_MDIO", pinmux_type_fpmx, 0x03, 0, 7), + FNCN("L2SW_P0_MAC_RMII_TXEN", pinmux_type_fpmx, 0x03, 8, 7), + FNCN("L2SW_P0_MAC_RMII_TXD0", pinmux_type_fpmx, 0x04, 0, 7), + FNCN("L2SW_P0_MAC_RMII_TXD1", pinmux_type_fpmx, 0x04, 8, 7), + FNCN("L2SW_P0_MAC_RMII_CRSDV", pinmux_type_fpmx, 0x05, 0, 7), + FNCN("L2SW_P0_MAC_RMII_RXD0", pinmux_type_fpmx, 0x05, 8, 7), + FNCN("L2SW_P0_MAC_RMII_RXD1", pinmux_type_fpmx, 0x06, 0, 7), + FNCN("L2SW_P0_MAC_RMII_RXER", pinmux_type_fpmx, 0x06, 8, 7), + FNCN("L2SW_P1_MAC_RMII_TXEN", pinmux_type_fpmx, 0x07, 0, 7), + FNCN("L2SW_P1_MAC_RMII_TXD0", pinmux_type_fpmx, 0x07, 8, 7), + FNCN("L2SW_P1_MAC_RMII_TXD1", pinmux_type_fpmx, 0x08, 0, 7), + FNCN("L2SW_P1_MAC_RMII_CRSDV", pinmux_type_fpmx, 0x08, 8, 7), + FNCN("L2SW_P1_MAC_RMII_RXD0", pinmux_type_fpmx, 0x09, 0, 7), + FNCN("L2SW_P1_MAC_RMII_RXD1", pinmux_type_fpmx, 0x09, 8, 7), + FNCN("L2SW_P1_MAC_RMII_RXER", pinmux_type_fpmx, 0x0A, 0, 7), + FNCN("DAISY_MODE", pinmux_type_fpmx, 0x0A, 8, 7), + FNCN("SDIO_CLK", pinmux_type_fpmx, 0x0B, 0, 7), /* 1x SDIO */ + FNCN("SDIO_CMD", pinmux_type_fpmx, 0x0B, 8, 7), + FNCN("SDIO_D0", pinmux_type_fpmx, 0x0C, 0, 7), + FNCN("SDIO_D1", pinmux_type_fpmx, 0x0C, 8, 7), + FNCN("SDIO_D2", pinmux_type_fpmx, 0x0D, 0, 7), + FNCN("SDIO_D3", pinmux_type_fpmx, 0x0D, 8, 7), + FNCN("PWM0", pinmux_type_fpmx, 0x0E, 0, 7), /* 8x PWM */ + FNCN("PWM1", pinmux_type_fpmx, 0x0E, 8, 7), + FNCN("PWM2", pinmux_type_fpmx, 0x0F, 0, 7), + FNCN("PWM3", pinmux_type_fpmx, 0x0F, 8, 7), + + FNCN("PWM4", pinmux_type_fpmx, 0x10, 0, 7), + FNCN("PWM5", pinmux_type_fpmx, 0x10, 8, 7), + FNCN("PWM6", pinmux_type_fpmx, 0x11, 0, 7), + FNCN("PWM7", pinmux_type_fpmx, 0x11, 8, 7), + FNCN("ICM0_D", pinmux_type_fpmx, 0x12, 0, 7), /* 4x Input captures */ + FNCN("ICM1_D", pinmux_type_fpmx, 0x12, 8, 7), + FNCN("ICM2_D", pinmux_type_fpmx, 0x13, 0, 7), + FNCN("ICM3_D", pinmux_type_fpmx, 0x13, 8, 7), + FNCN("ICM0_CLK", pinmux_type_fpmx, 0x14, 0, 7), + FNCN("ICM1_CLK", pinmux_type_fpmx, 0x14, 8, 7), + FNCN("ICM2_CLK", pinmux_type_fpmx, 0x15, 0, 7), + FNCN("ICM3_CLK", pinmux_type_fpmx, 0x15, 8, 7), + FNCN("SPIM0_INT", pinmux_type_fpmx, 0x16, 0, 7), /* 4x SPI masters */ + FNCN("SPIM0_CLK", pinmux_type_fpmx, 0x16, 8, 7), + FNCN("SPIM0_EN", pinmux_type_fpmx, 0x17, 0, 7), + FNCN("SPIM0_DO", pinmux_type_fpmx, 0x17, 8, 7), + FNCN("SPIM0_DI", pinmux_type_fpmx, 0x18, 0, 7), + FNCN("SPIM1_INT", pinmux_type_fpmx, 0x18, 8, 7), + FNCN("SPIM1_CLK", pinmux_type_fpmx, 0x19, 0, 7), + FNCN("SPIM1_EN", pinmux_type_fpmx, 0x19, 8, 7), + FNCN("SPIM1_DO", pinmux_type_fpmx, 0x1A, 0, 7), + FNCN("SPIM1_DI", pinmux_type_fpmx, 0x1A, 8, 7), + FNCN("SPIM2_INT", pinmux_type_fpmx, 0x1B, 0, 7), + FNCN("SPIM2_CLK", pinmux_type_fpmx, 0x1B, 8, 7), + FNCN("SPIM2_EN", pinmux_type_fpmx, 0x1C, 0, 7), + FNCN("SPIM2_DO", pinmux_type_fpmx, 0x1C, 8, 7), + FNCN("SPIM2_DI", pinmux_type_fpmx, 0x1D, 0, 7), + FNCN("SPIM3_INT", pinmux_type_fpmx, 0x1D, 8, 7), + FNCN("SPIM3_CLK", pinmux_type_fpmx, 0x1E, 0, 7), + FNCN("SPIM3_EN", pinmux_type_fpmx, 0x1E, 8, 7), + FNCN("SPIM3_DO", pinmux_type_fpmx, 0x1F, 0, 7), + FNCN("SPIM3_DI", pinmux_type_fpmx, 0x1F, 8, 7), + + FNCN("SPI0S_INT", pinmux_type_fpmx, 0x20, 0, 7), /* 4x SPI slaves */ + FNCN("SPI0S_CLK", pinmux_type_fpmx, 0x20, 8, 7), + FNCN("SPI0S_EN", pinmux_type_fpmx, 0x21, 0, 7), + FNCN("SPI0S_DO", pinmux_type_fpmx, 0x21, 8, 7), + FNCN("SPI0S_DI", pinmux_type_fpmx, 0x22, 0, 7), + FNCN("SPI1S_INT", pinmux_type_fpmx, 0x22, 8, 7), + FNCN("SPI1S_CLK", pinmux_type_fpmx, 0x23, 0, 7), + FNCN("SPI1S_EN", pinmux_type_fpmx, 0x23, 8, 7), + FNCN("SPI1S_DO", pinmux_type_fpmx, 0x24, 0, 7), + FNCN("SPI1S_DI", pinmux_type_fpmx, 0x24, 8, 7), + FNCN("SPI2S_INT", pinmux_type_fpmx, 0x25, 0, 7), + FNCN("SPI2S_CLK", pinmux_type_fpmx, 0x25, 8, 7), + FNCN("SPI2S_EN", pinmux_type_fpmx, 0x26, 0, 7), + FNCN("SPI2S_DO", pinmux_type_fpmx, 0x26, 8, 7), + FNCN("SPI2S_DI", pinmux_type_fpmx, 0x27, 0, 7), + FNCN("SPI3S_INT", pinmux_type_fpmx, 0x27, 8, 7), + FNCN("SPI3S_CLK", pinmux_type_fpmx, 0x28, 0, 7), + FNCN("SPI3S_EN", pinmux_type_fpmx, 0x28, 8, 7), + FNCN("SPI3S_DO", pinmux_type_fpmx, 0x29, 0, 7), + FNCN("SPI3S_DI", pinmux_type_fpmx, 0x29, 8, 7), + FNCN("I2CM0_CLK", pinmux_type_fpmx, 0x2A, 0, 7), /* 4x I2C masters */ + FNCN("I2CM0_DAT", pinmux_type_fpmx, 0x2A, 8, 7), + FNCN("I2CM1_CLK", pinmux_type_fpmx, 0x2B, 0, 7), + FNCN("I2CM1_DAT", pinmux_type_fpmx, 0x2B, 8, 7), + FNCN("I2CM2_CLK", pinmux_type_fpmx, 0x2C, 0, 7), + FNCN("I2CM2_DAT", pinmux_type_fpmx, 0x2C, 8, 7), + FNCN("I2CM3_CLK", pinmux_type_fpmx, 0x2D, 0, 7), + FNCN("I2CM3_DAT", pinmux_type_fpmx, 0x2D, 8, 7), + FNCN("UA1_TX", pinmux_type_fpmx, 0x2E, 0, 7), /* 4x UARTS */ + FNCN("UA1_RX", pinmux_type_fpmx, 0x2E, 8, 7), + FNCN("UA1_CTS", pinmux_type_fpmx, 0x2F, 0, 7), + FNCN("UA1_RTS", pinmux_type_fpmx, 0x2F, 8, 7), + + FNCN("UA2_TX", pinmux_type_fpmx, 0x30, 0, 7), + FNCN("UA2_RX", pinmux_type_fpmx, 0x30, 8, 7), + FNCN("UA2_CTS", pinmux_type_fpmx, 0x31, 0, 7), + FNCN("UA2_RTS", pinmux_type_fpmx, 0x31, 8, 7), + FNCN("UA3_TX", pinmux_type_fpmx, 0x32, 0, 7), + FNCN("UA3_RX", pinmux_type_fpmx, 0x32, 8, 7), + FNCN("UA3_CTS", pinmux_type_fpmx, 0x33, 0, 7), + FNCN("UA3_RTS", pinmux_type_fpmx, 0x33, 8, 7), + FNCN("UA4_TX", pinmux_type_fpmx, 0x34, 0, 7), + FNCN("UA4_RX", pinmux_type_fpmx, 0x34, 8, 7), + FNCN("UA4_CTS", pinmux_type_fpmx, 0x35, 0, 7), + FNCN("UA4_RTS", pinmux_type_fpmx, 0x35, 8, 7), + FNCN("TIMER0_INT", pinmux_type_fpmx, 0x36, 0, 7), /* 4x timer int. */ + FNCN("TIMER1_INT", pinmux_type_fpmx, 0x36, 8, 7), + FNCN("TIMER2_INT", pinmux_type_fpmx, 0x37, 0, 7), + FNCN("TIMER3_INT", pinmux_type_fpmx, 0x37, 8, 7), + FNCN("GPIO_INT0", pinmux_type_fpmx, 0x38, 0, 7), /* 8x GPIO int. */ + FNCN("GPIO_INT1", pinmux_type_fpmx, 0x38, 8, 7), + FNCN("GPIO_INT2", pinmux_type_fpmx, 0x39, 0, 7), + FNCN("GPIO_INT3", pinmux_type_fpmx, 0x39, 8, 7), + FNCN("GPIO_INT4", pinmux_type_fpmx, 0x3A, 0, 7), + FNCN("GPIO_INT5", pinmux_type_fpmx, 0x3A, 8, 7), + FNCN("GPIO_INT6", pinmux_type_fpmx, 0x3B, 0, 7), + FNCN("GPIO_INT7", pinmux_type_fpmx, 0x3B, 8, 7), + + /* MOON1 register */ + FNCE("SPI_FLASH", pinmux_type_grp, 0x01, 0, 2, sp7021grps_spif), + FNCE("SPI_FLASH_4BIT", pinmux_type_grp, 0x01, 2, 2, sp7021grps_spi4), + FNCE("SPI_NAND", pinmux_type_grp, 0x01, 4, 1, sp7021grps_snan), + FNCE("CARD0_EMMC", pinmux_type_grp, 0x01, 5, 1, sp7021grps_emmc), + FNCE("SD_CARD", pinmux_type_grp, 0x01, 6, 1, sp7021grps_sdsd), + FNCE("UA0", pinmux_type_grp, 0x01, 7, 1, sp7021grps_uar0), + FNCE("ACHIP_DEBUG", pinmux_type_grp, 0x01, 8, 2, sp7021grps_adbg), + FNCE("ACHIP_UA2AXI", pinmux_type_grp, 0x01, 10, 2, sp7021grps_au2x), + FNCE("FPGA_IFX", pinmux_type_grp, 0x01, 12, 1, sp7021grps_fpga), + FNCE("HDMI_TX", pinmux_type_grp, 0x01, 13, 2, sp7021grps_hdmi), + + FNCE("AUD_EXT_ADC_IFX0", pinmux_type_grp, 0x01, 15, 1, sp7021grps_eadc), + FNCE("AUD_EXT_DAC_IFX0", pinmux_type_grp, 0x02, 0, 1, sp7021grps_edac), + FNCE("SPDIF_RX", pinmux_type_grp, 0x02, 2, 1, sp7021grps_spdi), + FNCE("SPDIF_TX", pinmux_type_grp, 0x02, 3, 1, sp7021grps_spdo), + FNCE("TDMTX_IFX0", pinmux_type_grp, 0x02, 4, 1, sp7021grps_tdmt), + FNCE("TDMRX_IFX0", pinmux_type_grp, 0x02, 5, 1, sp7021grps_tdmr), + FNCE("PDMRX_IFX0", pinmux_type_grp, 0x02, 6, 1, sp7021grps_pdmr), + FNCE("PCM_IEC_TX", pinmux_type_grp, 0x02, 7, 1, sp7021grps_pcmt), + FNCE("LCDIF", pinmux_type_grp, 0x04, 6, 1, sp7021grps_lcdi), + FNCE("DVD_DSP_DEBUG", pinmux_type_grp, 0x02, 8, 1, sp7021grps_dvdd), + FNCE("I2C_DEBUG", pinmux_type_grp, 0x02, 9, 1, sp7021grps_i2cd), + FNCE("I2C_SLAVE", pinmux_type_grp, 0x02, 10, 1, sp7021grps_i2cs), + FNCE("WAKEUP", pinmux_type_grp, 0x02, 11, 1, sp7021grps_wakp), + FNCE("UART2AXI", pinmux_type_grp, 0x02, 12, 2, sp7021grps_u2ax), + FNCE("USB0_I2C", pinmux_type_grp, 0x02, 14, 2, sp7021grps_u0ic), + FNCE("USB1_I2C", pinmux_type_grp, 0x03, 0, 2, sp7021grps_u1ic), + FNCE("USB0_OTG", pinmux_type_grp, 0x03, 2, 1, sp7021grps_u0ot), + FNCE("USB1_OTG", pinmux_type_grp, 0x03, 3, 1, sp7021grps_u1ot), + FNCE("UPHY0_DEBUG", pinmux_type_grp, 0x03, 4, 1, sp7021grps_up0d), + FNCE("UPHY1_DEBUG", pinmux_type_grp, 0x03, 5, 1, sp7021grps_up1d), + FNCE("UPHY0_EXT", pinmux_type_grp, 0x03, 6, 1, sp7021grps_upex), + FNCE("PROBE_PORT", pinmux_type_grp, 0x03, 7, 2, sp7021grps_prbp), +}; + +const size_t sppctl_list_funcs_sz = ARRAY_SIZE(sppctl_list_funcs);