From patchwork Mon Jan 24 10:22:42 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?UmFmYcWCIE1pxYJlY2tp?= X-Patchwork-Id: 1583366 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=FHhtjZI+; 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 4Jj5fC4VrKz9t0k for ; Mon, 24 Jan 2022 21:22:59 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237029AbiAXKWz (ORCPT ); Mon, 24 Jan 2022 05:22:55 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35690 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237025AbiAXKWz (ORCPT ); Mon, 24 Jan 2022 05:22:55 -0500 Received: from mail-lf1-x132.google.com (mail-lf1-x132.google.com [IPv6:2a00:1450:4864:20::132]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6E350C06173B; Mon, 24 Jan 2022 02:22:54 -0800 (PST) Received: by mail-lf1-x132.google.com with SMTP id x23so1189995lfc.0; Mon, 24 Jan 2022 02:22:54 -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:mime-version :content-transfer-encoding; bh=Pk5UhSCbnfg+dd1wmtJPMmw4AI+umsSJYTznPvyX78o=; b=FHhtjZI+ufGk6VV+ki8kE87jFMObm7lB8hWTHbOEx8jlbtLPQleqJq/Hrg2dDt0QvJ 6ZxDixK5svUPN7CsyMcAEZ/41TP6BAUysR6wT3857FKIBQ1HkOK75z0cyDOAFST4muqn bv6IBgw2wHklf56VpWyXp/sigJm32ugqRMW8j8nh7HAJ+m2j0GDRFvQRejnY57fIbdvI xA3GCky2on6YgUU5+vJ86MZNGQ9uGnFbrMmfatnbhrxx5QujmLJ3cQjB+D9ecb3nrZqq 3GZVB9gQQ+Db+mVwZEfC9/U5hrhfvvRNaAGXDXh5JNddTA8BtDw1dy5/07aRpAwdfcl/ lCgA== 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:mime-version :content-transfer-encoding; bh=Pk5UhSCbnfg+dd1wmtJPMmw4AI+umsSJYTznPvyX78o=; b=046l9qdLhGGLdM6gMxWztZEYPA7smSFUlHwA4mL51iarMckODFW6lG2T1ft6cNVOkz LtJOX7UtDcoU44AaLLd15SpgkapdrNrelWo3FT34Sim3n6OGNBp9qqotBl1lgDSQNDgI 2hnAGjL+BW86yk8PE7e3KWOTb414pnodM513emY7zeXarL3T4qksiLaLcq97na7+FX8Q LSgr51xk3NZ/Pr2sdi/k5X2Qb1uwi93A/gqyvm1mvkaM+Cyo1vNSaEPStmja1ks2XT/2 h8wXErtWeOllVloL7AyVG1A/A3wIpJ+0CQvzYU555I9Jc2xXBY2NV0IBcczaS9dEgl26 hzIw== X-Gm-Message-State: AOAM533ikKmvnOWRpClx1Gxm3hi+WCrYGebrrYflsdX4QXyxO2ywHA0N xFDdcSr9XMOjuzn2ytjrpG4= X-Google-Smtp-Source: ABdhPJxW7P2X99LWexzm/F+HtB1LCWxYd2DWFsRysHMl6VXbYEf4B8bWu3aa/cxwlwE7kOmmiQdQbw== X-Received: by 2002:a05:6512:3ca6:: with SMTP id h38mr389922lfv.19.1643019772629; Mon, 24 Jan 2022 02:22:52 -0800 (PST) Received: from localhost.lan (ip-194-187-74-233.konfederacka.maverick.com.pl. [194.187.74.233]) by smtp.gmail.com with ESMTPSA id h19sm1125173lfu.198.2022.01.24.02.22.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Jan 2022 02:22:52 -0800 (PST) From: =?utf-8?b?UmFmYcWCIE1pxYJlY2tp?= To: Rob Herring , Linus Walleij Cc: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= , Jonas Gorski , Randy Dunlap , Florian Fainelli , linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, bcm-kernel-feedback-list@broadcom.com, Andy Shevchenko , =?utf-8?b?UmFmYcWCIE1pxYJlY2tp?= , Rob Herring Subject: [PATCH V4 1/2] dt-bindings: pinctrl: Add binding for BCM4908 pinctrl Date: Mon, 24 Jan 2022 11:22:42 +0100 Message-Id: <20220124102243.14912-1-zajec5@gmail.com> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org From: Rafał Miłecki It's hardware block that is part of every SoC from BCM4908 family. Signed-off-by: Rafał Miłecki Reviewed-by: Rob Herring --- V4: Rebased on top of the latest for-next which includes 5.17-rc1 now --- .../pinctrl/brcm,bcm4908-pinctrl.yaml | 72 +++++++++++++++++++ MAINTAINERS | 7 ++ 2 files changed, 79 insertions(+) create mode 100644 Documentation/devicetree/bindings/pinctrl/brcm,bcm4908-pinctrl.yaml diff --git a/Documentation/devicetree/bindings/pinctrl/brcm,bcm4908-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/brcm,bcm4908-pinctrl.yaml new file mode 100644 index 000000000000..175a992f15e1 --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/brcm,bcm4908-pinctrl.yaml @@ -0,0 +1,72 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pinctrl/brcm,bcm4908-pinctrl.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Broadcom BCM4908 pin controller + +maintainers: + - Rafał Miłecki + +description: + Binding for pin controller present on BCM4908 family SoCs. + +properties: + compatible: + const: brcm,bcm4908-pinctrl + + reg: + maxItems: 1 + +patternProperties: + '-pins$': + type: object + $ref: pinmux-node.yaml# + + properties: + function: + enum: [ led_0, led_1, led_2, led_3, led_4, led_5, led_6, led_7, led_8, + led_9, led_10, led_11, led_12, led_13, led_14, led_15, led_16, + led_17, led_18, led_19, led_20, led_21, led_22, led_23, led_24, + led_25, led_26, led_27, led_28, led_29, led_30, led_31, + hs_uart, i2c, i2s, nand_ctrl, nand_data, emmc_ctrl, usb0_pwr, + usb1_pwr ] + + groups: + minItems: 1 + maxItems: 2 + items: + enum: [ led_0_grp_a, led_1_grp_a, led_2_grp_a, led_3_grp_a, + led_4_grp_a, led_5_grp_a, led_6_grp_a, led_7_grp_a, + led_8_grp_a, led_9_grp_a, led_10_grp_a, led_10_grp_b, + led_11_grp_a, led_11_grp_b, led_12_grp_a, led_12_grp_b, + led_13_grp_a, led_13_grp_b, led_14_grp_a, led_15_grp_a, + led_16_grp_a, led_17_grp_a, led_18_grp_a, led_19_grp_a, + led_20_grp_a, led_21_grp_a, led_22_grp_a, led_23_grp_a, + led_24_grp_a, led_25_grp_a, led_26_grp_a, led_27_grp_a, + led_28_grp_a, led_29_grp_a, led_30_grp_a, led_31_grp_a, + led_31_grp_b, hs_uart_grp, i2c_grp_a, i2c_grp_b, i2s_grp, + nand_ctrl_grp, nand_data_grp, emmc_ctrl_grp, usb0_pwr_grp, + usb1_pwr_grp ] + +allOf: + - $ref: pinctrl.yaml# + +required: + - compatible + - reg + +unevaluatedProperties: false + +examples: + - | + pinctrl@ff800560 { + compatible = "brcm,bcm4908-pinctrl"; + reg = <0xff800560 0x10>; + + led_0-a-pins { + function = "led_0"; + groups = "led_0_grp_a"; + }; + }; diff --git a/MAINTAINERS b/MAINTAINERS index ea3e6c914384..dc12f93a5df4 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -3688,6 +3688,13 @@ F: Documentation/devicetree/bindings/net/brcm,bcm4908-enet.yaml F: drivers/net/ethernet/broadcom/bcm4908_enet.* F: drivers/net/ethernet/broadcom/unimac.h +BROADCOM BCM4908 PINMUX DRIVER +M: Rafał Miłecki +M: bcm-kernel-feedback-list@broadcom.com +L: linux-gpio@vger.kernel.org +S: Maintained +F: Documentation/devicetree/bindings/pinctrl/brcm,bcm4908-pinctrl.yaml + BROADCOM BCM5301X ARM ARCHITECTURE M: Florian Fainelli M: Hauke Mehrtens From patchwork Mon Jan 24 10:22:43 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?UmFmYcWCIE1pxYJlY2tp?= X-Patchwork-Id: 1583368 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=bQlzfzA4; 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 4Jj5fF165Lz9t0k for ; Mon, 24 Jan 2022 21:23:01 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237036AbiAXKW7 (ORCPT ); Mon, 24 Jan 2022 05:22:59 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35708 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232375AbiAXKW6 (ORCPT ); Mon, 24 Jan 2022 05:22:58 -0500 Received: from mail-lf1-x12c.google.com (mail-lf1-x12c.google.com [IPv6:2a00:1450:4864:20::12c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 95BACC06173B; Mon, 24 Jan 2022 02:22:57 -0800 (PST) Received: by mail-lf1-x12c.google.com with SMTP id u6so16468139lfm.10; Mon, 24 Jan 2022 02:22:57 -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 :mime-version:content-transfer-encoding; bh=GTseaTXMH9wwhoyFstu4/Vx4skpuK2MPW/joi83cNHk=; b=bQlzfzA4taN+2WZF8inAyLrbbeybUYeIaCaqYGmW4GTx76vby2CmmUECXi11VVDfqY 5Fxapesv2JunmUOjndsdJtJf6+fCAes1Yrat+oAcl+4h+Ey0EZwEuUgxzqGFhgO5rg5D 7v7UbaoDs/44CGh9Ct7lviO1U3d3oG1En2mZtEB/uLnwllHtcJAhOX27Htolxo5FRKE2 Ij/4Qbi/0N93QwtlklGYdYuuxTLCqb14u3ewbsh6jCEumQdERaHoCSXSDwMC4vZtPjGT i6uhbZSWt4Em96zTnxoF4owgqPoa6Q8LL43N0Jx66eJZnwq+LuYdzEUYt14T+mC3h1Mb DsAQ== 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:mime-version:content-transfer-encoding; bh=GTseaTXMH9wwhoyFstu4/Vx4skpuK2MPW/joi83cNHk=; b=HyPBwoFIvMNX4u8iec+RMxVpXs90NFIcPAqS+AAfkinTJx6qOdL+yskNBpWuPM9oE4 lgG95g7bRVQSLYdEEEsJGL8BKzjfGGWEztBzmCyRT4aD1HJ5FoCBgg45vQH6MEmM6yng MQFxTtcuPyoBXYZK9/2qprPcfZPyU3DDESmowWu8YLshUqE4/xMuShxPk9CMOeCqok5V 9jvcSOoELHGMyZ1fqKkq9tI3XYp7XKNd9FgMOMle+MrprbZW4UmY30fnN67Hb8ji2bWs 70iyItmx+9b/yf3ZpB9FE2tEtYhuFyBDYWsa0vkitB/ua6Q0H/U4gQJwFVoUooapf1Xy 2jBw== X-Gm-Message-State: AOAM5307qr0ovnwr45tdi0lr6NisiLZE6xIlv99mohoJaDRHEoblSEAE qYiuJCUon3acd6bf1/rOovk= X-Google-Smtp-Source: ABdhPJyxQ7d2hHY8kgnVzc3l6fNZpdZaSu6pwD+m7IXIruCbnqP8LqiwAE9peFlq23dIrzHM33VN1A== X-Received: by 2002:ac2:5581:: with SMTP id v1mr12559117lfg.514.1643019775688; Mon, 24 Jan 2022 02:22:55 -0800 (PST) Received: from localhost.lan (ip-194-187-74-233.konfederacka.maverick.com.pl. [194.187.74.233]) by smtp.gmail.com with ESMTPSA id h19sm1125173lfu.198.2022.01.24.02.22.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Jan 2022 02:22:55 -0800 (PST) From: =?utf-8?b?UmFmYcWCIE1pxYJlY2tp?= To: Rob Herring , Linus Walleij Cc: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= , Jonas Gorski , Randy Dunlap , Florian Fainelli , linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, bcm-kernel-feedback-list@broadcom.com, Andy Shevchenko , =?utf-8?b?UmFmYcWCIE1pxYJlY2tp?= Subject: [PATCH V4 2/2] pinctrl: bcm: add driver for BCM4908 pinmux Date: Mon, 24 Jan 2022 11:22:43 +0100 Message-Id: <20220124102243.14912-2-zajec5@gmail.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20220124102243.14912-1-zajec5@gmail.com> References: <20220124102243.14912-1-zajec5@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org From: Rafał Miłecki BCM4908 has its own pins layout so it needs a custom binding and a Linux driver. Signed-off-by: Rafał Miłecki Reviewed-by: Andy Shevchenko --- V2: Formatting fixes Kconfig fix Cleanup of #include-s Use devm_kasprintf_strarray() V3: Bring back OF dependency - required by pinconf_generic_dt_node_to_map() V4: Rebased on top of the latest for-next which includes 5.17-rc1 now --- MAINTAINERS | 1 + drivers/pinctrl/bcm/Kconfig | 14 + drivers/pinctrl/bcm/Makefile | 1 + drivers/pinctrl/bcm/pinctrl-bcm4908.c | 563 ++++++++++++++++++++++++++ 4 files changed, 579 insertions(+) create mode 100644 drivers/pinctrl/bcm/pinctrl-bcm4908.c diff --git a/MAINTAINERS b/MAINTAINERS index dc12f93a5df4..847394a6ef1d 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -3694,6 +3694,7 @@ M: bcm-kernel-feedback-list@broadcom.com L: linux-gpio@vger.kernel.org S: Maintained F: Documentation/devicetree/bindings/pinctrl/brcm,bcm4908-pinctrl.yaml +F: drivers/pinctrl/bcm/pinctrl-bcm4908.c BROADCOM BCM5301X ARM ARCHITECTURE M: Florian Fainelli diff --git a/drivers/pinctrl/bcm/Kconfig b/drivers/pinctrl/bcm/Kconfig index 5123f4c33854..042ec2494698 100644 --- a/drivers/pinctrl/bcm/Kconfig +++ b/drivers/pinctrl/bcm/Kconfig @@ -29,6 +29,20 @@ config PINCTRL_BCM2835 help Say Y here to enable the Broadcom BCM2835 GPIO driver. +config PINCTRL_BCM4908 + tristate "Broadcom BCM4908 pinmux driver" + depends on OF && (ARCH_BCM4908 || COMPILE_TEST) + select PINMUX + select PINCONF + select GENERIC_PINCONF + select GENERIC_PINCTRL_GROUPS + select GENERIC_PINMUX_FUNCTIONS + default ARCH_BCM4908 + help + Driver for BCM4908 family SoCs with integrated pin controller. + + If compiled as module it will be called pinctrl-bcm4908. + config PINCTRL_BCM63XX bool select PINMUX diff --git a/drivers/pinctrl/bcm/Makefile b/drivers/pinctrl/bcm/Makefile index 00c7b7775e63..82b868ec1471 100644 --- a/drivers/pinctrl/bcm/Makefile +++ b/drivers/pinctrl/bcm/Makefile @@ -3,6 +3,7 @@ obj-$(CONFIG_PINCTRL_BCM281XX) += pinctrl-bcm281xx.o obj-$(CONFIG_PINCTRL_BCM2835) += pinctrl-bcm2835.o +obj-$(CONFIG_PINCTRL_BCM4908) += pinctrl-bcm4908.o obj-$(CONFIG_PINCTRL_BCM63XX) += pinctrl-bcm63xx.o obj-$(CONFIG_PINCTRL_BCM6318) += pinctrl-bcm6318.o obj-$(CONFIG_PINCTRL_BCM6328) += pinctrl-bcm6328.o diff --git a/drivers/pinctrl/bcm/pinctrl-bcm4908.c b/drivers/pinctrl/bcm/pinctrl-bcm4908.c new file mode 100644 index 000000000000..cdfa165fc033 --- /dev/null +++ b/drivers/pinctrl/bcm/pinctrl-bcm4908.c @@ -0,0 +1,563 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (C) 2021 Rafał Miłecki */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "../core.h" +#include "../pinmux.h" + +#define BCM4908_NUM_PINS 86 + +#define BCM4908_TEST_PORT_BLOCK_EN_LSB 0x00 +#define BCM4908_TEST_PORT_BLOCK_DATA_MSB 0x04 +#define BCM4908_TEST_PORT_BLOCK_DATA_LSB 0x08 +#define BCM4908_TEST_PORT_LSB_PINMUX_DATA_SHIFT 12 +#define BCM4908_TEST_PORT_COMMAND 0x0c +#define BCM4908_TEST_PORT_CMD_LOAD_MUX_REG 0x00000021 + +struct bcm4908_pinctrl { + struct device *dev; + void __iomem *base; + struct mutex mutex; + struct pinctrl_dev *pctldev; + struct pinctrl_desc pctldesc; +}; + +/* + * Groups + */ + +struct bcm4908_pinctrl_pin_setup { + unsigned int number; + unsigned int function; +}; + +static const struct bcm4908_pinctrl_pin_setup led_0_pins_a[] = { + { 0, 3 }, +}; + +static const struct bcm4908_pinctrl_pin_setup led_1_pins_a[] = { + { 1, 3 }, +}; + +static const struct bcm4908_pinctrl_pin_setup led_2_pins_a[] = { + { 2, 3 }, +}; + +static const struct bcm4908_pinctrl_pin_setup led_3_pins_a[] = { + { 3, 3 }, +}; + +static const struct bcm4908_pinctrl_pin_setup led_4_pins_a[] = { + { 4, 3 }, +}; + +static const struct bcm4908_pinctrl_pin_setup led_5_pins_a[] = { + { 5, 3 }, +}; + +static const struct bcm4908_pinctrl_pin_setup led_6_pins_a[] = { + { 6, 3 }, +}; + +static const struct bcm4908_pinctrl_pin_setup led_7_pins_a[] = { + { 7, 3 }, +}; + +static const struct bcm4908_pinctrl_pin_setup led_8_pins_a[] = { + { 8, 3 }, +}; + +static const struct bcm4908_pinctrl_pin_setup led_9_pins_a[] = { + { 9, 3 }, +}; + +static const struct bcm4908_pinctrl_pin_setup led_10_pins_a[] = { + { 10, 3 }, +}; + +static const struct bcm4908_pinctrl_pin_setup led_11_pins_a[] = { + { 11, 3 }, +}; + +static const struct bcm4908_pinctrl_pin_setup led_12_pins_a[] = { + { 12, 3 }, +}; + +static const struct bcm4908_pinctrl_pin_setup led_13_pins_a[] = { + { 13, 3 }, +}; + +static const struct bcm4908_pinctrl_pin_setup led_14_pins_a[] = { + { 14, 3 }, +}; + +static const struct bcm4908_pinctrl_pin_setup led_15_pins_a[] = { + { 15, 3 }, +}; + +static const struct bcm4908_pinctrl_pin_setup led_16_pins_a[] = { + { 16, 3 }, +}; + +static const struct bcm4908_pinctrl_pin_setup led_17_pins_a[] = { + { 17, 3 }, +}; + +static const struct bcm4908_pinctrl_pin_setup led_18_pins_a[] = { + { 18, 3 }, +}; + +static const struct bcm4908_pinctrl_pin_setup led_19_pins_a[] = { + { 19, 3 }, +}; + +static const struct bcm4908_pinctrl_pin_setup led_20_pins_a[] = { + { 20, 3 }, +}; + +static const struct bcm4908_pinctrl_pin_setup led_21_pins_a[] = { + { 21, 3 }, +}; + +static const struct bcm4908_pinctrl_pin_setup led_22_pins_a[] = { + { 22, 3 }, +}; + +static const struct bcm4908_pinctrl_pin_setup led_23_pins_a[] = { + { 23, 3 }, +}; + +static const struct bcm4908_pinctrl_pin_setup led_24_pins_a[] = { + { 24, 3 }, +}; + +static const struct bcm4908_pinctrl_pin_setup led_25_pins_a[] = { + { 25, 3 }, +}; + +static const struct bcm4908_pinctrl_pin_setup led_26_pins_a[] = { + { 26, 3 }, +}; + +static const struct bcm4908_pinctrl_pin_setup led_27_pins_a[] = { + { 27, 3 }, +}; + +static const struct bcm4908_pinctrl_pin_setup led_28_pins_a[] = { + { 28, 3 }, +}; + +static const struct bcm4908_pinctrl_pin_setup led_29_pins_a[] = { + { 29, 3 }, +}; + +static const struct bcm4908_pinctrl_pin_setup led_30_pins_a[] = { + { 30, 3 }, +}; + +static const struct bcm4908_pinctrl_pin_setup led_31_pins_a[] = { + { 31, 3 }, +}; + +static const struct bcm4908_pinctrl_pin_setup led_10_pins_b[] = { + { 8, 2 }, +}; + +static const struct bcm4908_pinctrl_pin_setup led_11_pins_b[] = { + { 9, 2 }, +}; + +static const struct bcm4908_pinctrl_pin_setup led_12_pins_b[] = { + { 0, 2 }, +}; + +static const struct bcm4908_pinctrl_pin_setup led_13_pins_b[] = { + { 1, 2 }, +}; + +static const struct bcm4908_pinctrl_pin_setup led_31_pins_b[] = { + { 30, 2 }, +}; + +static const struct bcm4908_pinctrl_pin_setup hs_uart_pins[] = { + { 10, 0 }, /* CTS */ + { 11, 0 }, /* RTS */ + { 12, 0 }, /* RXD */ + { 13, 0 }, /* TXD */ +}; + +static const struct bcm4908_pinctrl_pin_setup i2c_pins_a[] = { + { 18, 0 }, /* SDA */ + { 19, 0 }, /* SCL */ +}; + +static const struct bcm4908_pinctrl_pin_setup i2c_pins_b[] = { + { 22, 0 }, /* SDA */ + { 23, 0 }, /* SCL */ +}; + +static const struct bcm4908_pinctrl_pin_setup i2s_pins[] = { + { 27, 0 }, /* MCLK */ + { 28, 0 }, /* LRCK */ + { 29, 0 }, /* SDATA */ + { 30, 0 }, /* SCLK */ +}; + +static const struct bcm4908_pinctrl_pin_setup nand_ctrl_pins[] = { + { 32, 0 }, + { 33, 0 }, + { 34, 0 }, + { 43, 0 }, + { 44, 0 }, + { 45, 0 }, + { 56, 1 }, +}; + +static const struct bcm4908_pinctrl_pin_setup nand_data_pins[] = { + { 35, 0 }, + { 36, 0 }, + { 37, 0 }, + { 38, 0 }, + { 39, 0 }, + { 40, 0 }, + { 41, 0 }, + { 42, 0 }, +}; + +static const struct bcm4908_pinctrl_pin_setup emmc_ctrl_pins[] = { + { 46, 0 }, + { 47, 0 }, +}; + +static const struct bcm4908_pinctrl_pin_setup usb0_pwr_pins[] = { + { 63, 0 }, + { 64, 0 }, +}; + +static const struct bcm4908_pinctrl_pin_setup usb1_pwr_pins[] = { + { 66, 0 }, + { 67, 0 }, +}; + +struct bcm4908_pinctrl_grp { + const char *name; + const struct bcm4908_pinctrl_pin_setup *pins; + const unsigned int num_pins; +}; + +static const struct bcm4908_pinctrl_grp bcm4908_pinctrl_grps[] = { + { "led_0_grp_a", led_0_pins_a, ARRAY_SIZE(led_0_pins_a) }, + { "led_1_grp_a", led_1_pins_a, ARRAY_SIZE(led_1_pins_a) }, + { "led_2_grp_a", led_2_pins_a, ARRAY_SIZE(led_2_pins_a) }, + { "led_3_grp_a", led_3_pins_a, ARRAY_SIZE(led_3_pins_a) }, + { "led_4_grp_a", led_4_pins_a, ARRAY_SIZE(led_4_pins_a) }, + { "led_5_grp_a", led_5_pins_a, ARRAY_SIZE(led_5_pins_a) }, + { "led_6_grp_a", led_6_pins_a, ARRAY_SIZE(led_6_pins_a) }, + { "led_7_grp_a", led_7_pins_a, ARRAY_SIZE(led_7_pins_a) }, + { "led_8_grp_a", led_8_pins_a, ARRAY_SIZE(led_8_pins_a) }, + { "led_9_grp_a", led_9_pins_a, ARRAY_SIZE(led_9_pins_a) }, + { "led_10_grp_a", led_10_pins_a, ARRAY_SIZE(led_10_pins_a) }, + { "led_11_grp_a", led_11_pins_a, ARRAY_SIZE(led_11_pins_a) }, + { "led_12_grp_a", led_12_pins_a, ARRAY_SIZE(led_12_pins_a) }, + { "led_13_grp_a", led_13_pins_a, ARRAY_SIZE(led_13_pins_a) }, + { "led_14_grp_a", led_14_pins_a, ARRAY_SIZE(led_14_pins_a) }, + { "led_15_grp_a", led_15_pins_a, ARRAY_SIZE(led_15_pins_a) }, + { "led_16_grp_a", led_16_pins_a, ARRAY_SIZE(led_16_pins_a) }, + { "led_17_grp_a", led_17_pins_a, ARRAY_SIZE(led_17_pins_a) }, + { "led_18_grp_a", led_18_pins_a, ARRAY_SIZE(led_18_pins_a) }, + { "led_19_grp_a", led_19_pins_a, ARRAY_SIZE(led_19_pins_a) }, + { "led_20_grp_a", led_20_pins_a, ARRAY_SIZE(led_20_pins_a) }, + { "led_21_grp_a", led_21_pins_a, ARRAY_SIZE(led_21_pins_a) }, + { "led_22_grp_a", led_22_pins_a, ARRAY_SIZE(led_22_pins_a) }, + { "led_23_grp_a", led_23_pins_a, ARRAY_SIZE(led_23_pins_a) }, + { "led_24_grp_a", led_24_pins_a, ARRAY_SIZE(led_24_pins_a) }, + { "led_25_grp_a", led_25_pins_a, ARRAY_SIZE(led_25_pins_a) }, + { "led_26_grp_a", led_26_pins_a, ARRAY_SIZE(led_26_pins_a) }, + { "led_27_grp_a", led_27_pins_a, ARRAY_SIZE(led_27_pins_a) }, + { "led_28_grp_a", led_28_pins_a, ARRAY_SIZE(led_28_pins_a) }, + { "led_29_grp_a", led_29_pins_a, ARRAY_SIZE(led_29_pins_a) }, + { "led_30_grp_a", led_30_pins_a, ARRAY_SIZE(led_30_pins_a) }, + { "led_31_grp_a", led_31_pins_a, ARRAY_SIZE(led_31_pins_a) }, + { "led_10_grp_b", led_10_pins_b, ARRAY_SIZE(led_10_pins_b) }, + { "led_11_grp_b", led_11_pins_b, ARRAY_SIZE(led_11_pins_b) }, + { "led_12_grp_b", led_12_pins_b, ARRAY_SIZE(led_12_pins_b) }, + { "led_13_grp_b", led_13_pins_b, ARRAY_SIZE(led_13_pins_b) }, + { "led_31_grp_b", led_31_pins_b, ARRAY_SIZE(led_31_pins_b) }, + { "hs_uart_grp", hs_uart_pins, ARRAY_SIZE(hs_uart_pins) }, + { "i2c_grp_a", i2c_pins_a, ARRAY_SIZE(i2c_pins_a) }, + { "i2c_grp_b", i2c_pins_b, ARRAY_SIZE(i2c_pins_b) }, + { "i2s_grp", i2s_pins, ARRAY_SIZE(i2s_pins) }, + { "nand_ctrl_grp", nand_ctrl_pins, ARRAY_SIZE(nand_ctrl_pins) }, + { "nand_data_grp", nand_data_pins, ARRAY_SIZE(nand_data_pins) }, + { "emmc_ctrl_grp", emmc_ctrl_pins, ARRAY_SIZE(emmc_ctrl_pins) }, + { "usb0_pwr_grp", usb0_pwr_pins, ARRAY_SIZE(usb0_pwr_pins) }, + { "usb1_pwr_grp", usb1_pwr_pins, ARRAY_SIZE(usb1_pwr_pins) }, +}; + +/* + * Functions + */ + +struct bcm4908_pinctrl_function { + const char *name; + const char * const *groups; + const unsigned int num_groups; +}; + +static const char * const led_0_groups[] = { "led_0_grp_a" }; +static const char * const led_1_groups[] = { "led_1_grp_a" }; +static const char * const led_2_groups[] = { "led_2_grp_a" }; +static const char * const led_3_groups[] = { "led_3_grp_a" }; +static const char * const led_4_groups[] = { "led_4_grp_a" }; +static const char * const led_5_groups[] = { "led_5_grp_a" }; +static const char * const led_6_groups[] = { "led_6_grp_a" }; +static const char * const led_7_groups[] = { "led_7_grp_a" }; +static const char * const led_8_groups[] = { "led_8_grp_a" }; +static const char * const led_9_groups[] = { "led_9_grp_a" }; +static const char * const led_10_groups[] = { "led_10_grp_a", "led_10_grp_b" }; +static const char * const led_11_groups[] = { "led_11_grp_a", "led_11_grp_b" }; +static const char * const led_12_groups[] = { "led_12_grp_a", "led_12_grp_b" }; +static const char * const led_13_groups[] = { "led_13_grp_a", "led_13_grp_b" }; +static const char * const led_14_groups[] = { "led_14_grp_a" }; +static const char * const led_15_groups[] = { "led_15_grp_a" }; +static const char * const led_16_groups[] = { "led_16_grp_a" }; +static const char * const led_17_groups[] = { "led_17_grp_a" }; +static const char * const led_18_groups[] = { "led_18_grp_a" }; +static const char * const led_19_groups[] = { "led_19_grp_a" }; +static const char * const led_20_groups[] = { "led_20_grp_a" }; +static const char * const led_21_groups[] = { "led_21_grp_a" }; +static const char * const led_22_groups[] = { "led_22_grp_a" }; +static const char * const led_23_groups[] = { "led_23_grp_a" }; +static const char * const led_24_groups[] = { "led_24_grp_a" }; +static const char * const led_25_groups[] = { "led_25_grp_a" }; +static const char * const led_26_groups[] = { "led_26_grp_a" }; +static const char * const led_27_groups[] = { "led_27_grp_a" }; +static const char * const led_28_groups[] = { "led_28_grp_a" }; +static const char * const led_29_groups[] = { "led_29_grp_a" }; +static const char * const led_30_groups[] = { "led_30_grp_a" }; +static const char * const led_31_groups[] = { "led_31_grp_a", "led_31_grp_b" }; +static const char * const hs_uart_groups[] = { "hs_uart_grp" }; +static const char * const i2c_groups[] = { "i2c_grp_a", "i2c_grp_b" }; +static const char * const i2s_groups[] = { "i2s_grp" }; +static const char * const nand_ctrl_groups[] = { "nand_ctrl_grp" }; +static const char * const nand_data_groups[] = { "nand_data_grp" }; +static const char * const emmc_ctrl_groups[] = { "emmc_ctrl_grp" }; +static const char * const usb0_pwr_groups[] = { "usb0_pwr_grp" }; +static const char * const usb1_pwr_groups[] = { "usb1_pwr_grp" }; + +static const struct bcm4908_pinctrl_function bcm4908_pinctrl_functions[] = { + { "led_0", led_0_groups, ARRAY_SIZE(led_0_groups) }, + { "led_1", led_1_groups, ARRAY_SIZE(led_1_groups) }, + { "led_2", led_2_groups, ARRAY_SIZE(led_2_groups) }, + { "led_3", led_3_groups, ARRAY_SIZE(led_3_groups) }, + { "led_4", led_4_groups, ARRAY_SIZE(led_4_groups) }, + { "led_5", led_5_groups, ARRAY_SIZE(led_5_groups) }, + { "led_6", led_6_groups, ARRAY_SIZE(led_6_groups) }, + { "led_7", led_7_groups, ARRAY_SIZE(led_7_groups) }, + { "led_8", led_8_groups, ARRAY_SIZE(led_8_groups) }, + { "led_9", led_9_groups, ARRAY_SIZE(led_9_groups) }, + { "led_10", led_10_groups, ARRAY_SIZE(led_10_groups) }, + { "led_11", led_11_groups, ARRAY_SIZE(led_11_groups) }, + { "led_12", led_12_groups, ARRAY_SIZE(led_12_groups) }, + { "led_13", led_13_groups, ARRAY_SIZE(led_13_groups) }, + { "led_14", led_14_groups, ARRAY_SIZE(led_14_groups) }, + { "led_15", led_15_groups, ARRAY_SIZE(led_15_groups) }, + { "led_16", led_16_groups, ARRAY_SIZE(led_16_groups) }, + { "led_17", led_17_groups, ARRAY_SIZE(led_17_groups) }, + { "led_18", led_18_groups, ARRAY_SIZE(led_18_groups) }, + { "led_19", led_19_groups, ARRAY_SIZE(led_19_groups) }, + { "led_20", led_20_groups, ARRAY_SIZE(led_20_groups) }, + { "led_21", led_21_groups, ARRAY_SIZE(led_21_groups) }, + { "led_22", led_22_groups, ARRAY_SIZE(led_22_groups) }, + { "led_23", led_23_groups, ARRAY_SIZE(led_23_groups) }, + { "led_24", led_24_groups, ARRAY_SIZE(led_24_groups) }, + { "led_25", led_25_groups, ARRAY_SIZE(led_25_groups) }, + { "led_26", led_26_groups, ARRAY_SIZE(led_26_groups) }, + { "led_27", led_27_groups, ARRAY_SIZE(led_27_groups) }, + { "led_28", led_28_groups, ARRAY_SIZE(led_28_groups) }, + { "led_29", led_29_groups, ARRAY_SIZE(led_29_groups) }, + { "led_30", led_30_groups, ARRAY_SIZE(led_30_groups) }, + { "led_31", led_31_groups, ARRAY_SIZE(led_31_groups) }, + { "hs_uart", hs_uart_groups, ARRAY_SIZE(hs_uart_groups) }, + { "i2c", i2c_groups, ARRAY_SIZE(i2c_groups) }, + { "i2s", i2s_groups, ARRAY_SIZE(i2s_groups) }, + { "nand_ctrl", nand_ctrl_groups, ARRAY_SIZE(nand_ctrl_groups) }, + { "nand_data", nand_data_groups, ARRAY_SIZE(nand_data_groups) }, + { "emmc_ctrl", emmc_ctrl_groups, ARRAY_SIZE(emmc_ctrl_groups) }, + { "usb0_pwr", usb0_pwr_groups, ARRAY_SIZE(usb0_pwr_groups) }, + { "usb1_pwr", usb1_pwr_groups, ARRAY_SIZE(usb1_pwr_groups) }, +}; + +/* + * Groups code + */ + +static const struct pinctrl_ops bcm4908_pinctrl_ops = { + .get_groups_count = pinctrl_generic_get_group_count, + .get_group_name = pinctrl_generic_get_group_name, + .get_group_pins = pinctrl_generic_get_group_pins, + .dt_node_to_map = pinconf_generic_dt_node_to_map_group, + .dt_free_map = pinconf_generic_dt_free_map, +}; + +/* + * Functions code + */ + +static int bcm4908_pinctrl_set_mux(struct pinctrl_dev *pctrl_dev, + unsigned int func_selector, + unsigned int group_selector) +{ + struct bcm4908_pinctrl *bcm4908_pinctrl = pinctrl_dev_get_drvdata(pctrl_dev); + const struct bcm4908_pinctrl_grp *group; + struct group_desc *group_desc; + int i; + + group_desc = pinctrl_generic_get_group(pctrl_dev, group_selector); + if (!group_desc) + return -EINVAL; + group = group_desc->data; + + mutex_lock(&bcm4908_pinctrl->mutex); + for (i = 0; i < group->num_pins; i++) { + u32 lsb = 0; + + lsb |= group->pins[i].number; + lsb |= group->pins[i].function << BCM4908_TEST_PORT_LSB_PINMUX_DATA_SHIFT; + + writel(0x0, bcm4908_pinctrl->base + BCM4908_TEST_PORT_BLOCK_DATA_MSB); + writel(lsb, bcm4908_pinctrl->base + BCM4908_TEST_PORT_BLOCK_DATA_LSB); + writel(BCM4908_TEST_PORT_CMD_LOAD_MUX_REG, + bcm4908_pinctrl->base + BCM4908_TEST_PORT_COMMAND); + } + mutex_unlock(&bcm4908_pinctrl->mutex); + + return 0; +} + +static const struct pinmux_ops bcm4908_pinctrl_pmxops = { + .get_functions_count = pinmux_generic_get_function_count, + .get_function_name = pinmux_generic_get_function_name, + .get_function_groups = pinmux_generic_get_function_groups, + .set_mux = bcm4908_pinctrl_set_mux, +}; + +/* + * Controller code + */ + +static struct pinctrl_desc bcm4908_pinctrl_desc = { + .name = "bcm4908-pinctrl", + .pctlops = &bcm4908_pinctrl_ops, + .pmxops = &bcm4908_pinctrl_pmxops, +}; + +static const struct of_device_id bcm4908_pinctrl_of_match_table[] = { + { .compatible = "brcm,bcm4908-pinctrl", }, + { } +}; + +static int bcm4908_pinctrl_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct bcm4908_pinctrl *bcm4908_pinctrl; + struct pinctrl_desc *pctldesc; + struct pinctrl_pin_desc *pins; + char **pin_names; + int i; + + bcm4908_pinctrl = devm_kzalloc(dev, sizeof(*bcm4908_pinctrl), GFP_KERNEL); + if (!bcm4908_pinctrl) + return -ENOMEM; + pctldesc = &bcm4908_pinctrl->pctldesc; + platform_set_drvdata(pdev, bcm4908_pinctrl); + + /* Set basic properties */ + + bcm4908_pinctrl->dev = dev; + + bcm4908_pinctrl->base = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(bcm4908_pinctrl->base)) + return PTR_ERR(bcm4908_pinctrl->base); + + mutex_init(&bcm4908_pinctrl->mutex); + + memcpy(pctldesc, &bcm4908_pinctrl_desc, sizeof(*pctldesc)); + + /* Set pinctrl properties */ + + pin_names = devm_kasprintf_strarray(dev, "pin", BCM4908_NUM_PINS); + if (IS_ERR(pin_names)) + return PTR_ERR(pin_names); + + pins = devm_kcalloc(dev, BCM4908_NUM_PINS, sizeof(*pins), GFP_KERNEL); + if (!pins) + return -ENOMEM; + for (i = 0; i < BCM4908_NUM_PINS; i++) { + pins[i].number = i; + pins[i].name = pin_names[i]; + } + pctldesc->pins = pins; + pctldesc->npins = BCM4908_NUM_PINS; + + /* Register */ + + bcm4908_pinctrl->pctldev = devm_pinctrl_register(dev, pctldesc, bcm4908_pinctrl); + if (IS_ERR(bcm4908_pinctrl->pctldev)) + return dev_err_probe(dev, PTR_ERR(bcm4908_pinctrl->pctldev), + "Failed to register pinctrl\n"); + + /* Groups */ + + for (i = 0; i < ARRAY_SIZE(bcm4908_pinctrl_grps); i++) { + const struct bcm4908_pinctrl_grp *group = &bcm4908_pinctrl_grps[i]; + int *pins; + int j; + + pins = devm_kcalloc(dev, group->num_pins, sizeof(*pins), GFP_KERNEL); + if (!pins) + return -ENOMEM; + for (j = 0; j < group->num_pins; j++) + pins[j] = group->pins[j].number; + + pinctrl_generic_add_group(bcm4908_pinctrl->pctldev, group->name, + pins, group->num_pins, (void *)group); + } + + /* Functions */ + + for (i = 0; i < ARRAY_SIZE(bcm4908_pinctrl_functions); i++) { + const struct bcm4908_pinctrl_function *function = &bcm4908_pinctrl_functions[i]; + + pinmux_generic_add_function(bcm4908_pinctrl->pctldev, + function->name, + function->groups, + function->num_groups, NULL); + } + + return 0; +} + +static struct platform_driver bcm4908_pinctrl_driver = { + .probe = bcm4908_pinctrl_probe, + .driver = { + .name = "bcm4908-pinctrl", + .of_match_table = bcm4908_pinctrl_of_match_table, + }, +}; + +module_platform_driver(bcm4908_pinctrl_driver); + +MODULE_AUTHOR("Rafał Miłecki"); +MODULE_LICENSE("GPL v2"); +MODULE_DEVICE_TABLE(of, bcm4908_pinctrl_of_match_table);