From patchwork Tue Feb 3 02:01:32 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ray Jui X-Patchwork-Id: 435684 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 345D914017F for ; Tue, 3 Feb 2015 13:02:08 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965628AbbBCCBs (ORCPT ); Mon, 2 Feb 2015 21:01:48 -0500 Received: from mail-gw3-out.broadcom.com ([216.31.210.64]:20232 "EHLO mail-gw3-out.broadcom.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S964865AbbBCCAu (ORCPT ); Mon, 2 Feb 2015 21:00:50 -0500 X-IronPort-AV: E=Sophos;i="5.09,509,1418112000"; d="scan'208";a="56009510" Received: from irvexchcas08.broadcom.com (HELO IRVEXCHCAS08.corp.ad.broadcom.com) ([10.9.208.57]) by mail-gw3-out.broadcom.com with ESMTP; 02 Feb 2015 18:19:23 -0800 Received: from IRVEXCHSMTP2.corp.ad.broadcom.com (10.9.207.52) by IRVEXCHCAS08.corp.ad.broadcom.com (10.9.208.57) with Microsoft SMTP Server (TLS) id 14.3.174.1; Mon, 2 Feb 2015 18:01:08 -0800 Received: from mail-irva-13.broadcom.com (10.10.10.20) by IRVEXCHSMTP2.corp.ad.broadcom.com (10.9.207.52) with Microsoft SMTP Server id 14.3.174.1; Mon, 2 Feb 2015 18:01:06 -0800 Received: from mail.broadcom.com (lbrmn-lnxub44.ric.broadcom.com [10.136.8.49]) by mail-irva-13.broadcom.com (Postfix) with ESMTP id 83BE840FE6; Mon, 2 Feb 2015 17:59:51 -0800 (PST) From: Ray Jui To: Linus Walleij , Stephen Warren , Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , "Grant Likely" , Christian Daudt , Matt Porter , Florian Fainelli , Russell King CC: Scott Branden , Dmitry Torokhov , Anatol Pomazau , , , , , , "Ray Jui" Subject: [PATCH v3 2/4] pinctrl: Broadcom Cygnus pinctrl device tree binding Date: Mon, 2 Feb 2015 18:01:32 -0800 Message-ID: <1422928894-20716-3-git-send-email-rjui@broadcom.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1422928894-20716-1-git-send-email-rjui@broadcom.com> References: <1422928894-20716-1-git-send-email-rjui@broadcom.com> MIME-Version: 1.0 Sender: linux-gpio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Device tree binding documentation for Broadcom Cygnus IOMUX driver Signed-off-by: Ray Jui Reviewed-by: Scott Branden --- .../bindings/pinctrl/brcm,cygnus-pinmux.txt | 159 ++++++++++++++++++++ 1 file changed, 159 insertions(+) create mode 100644 Documentation/devicetree/bindings/pinctrl/brcm,cygnus-pinmux.txt diff --git a/Documentation/devicetree/bindings/pinctrl/brcm,cygnus-pinmux.txt b/Documentation/devicetree/bindings/pinctrl/brcm,cygnus-pinmux.txt new file mode 100644 index 0000000..1082b8b --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/brcm,cygnus-pinmux.txt @@ -0,0 +1,159 @@ +Broadcom Cygnus IOMUX Controller + +The Cygnus IOMUX controller supports group based mux configuration. In +addition, certain pins can be muxed to GPIO function individually. + +Required properties: + +- compatible: + Must be "brcm,cygnus-pinmux" + +- reg: + Define the base and range of the I/O address space that contains the Cygnus +IOMUX registers + +Required properties in child nodes: + +- function: + The mux function to select + +- groups: + The list of groups to select with a given function + +Each child node represents a configuration. Client devices reference the child +node to enable a mux configuration + +For more details, refer to +Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt + +For example: + + pinmux: pinmux@0x0301d0c8 { + compatible = "brcm,cygnus-pinmux"; + reg = <0x0301d0c8 0x1b0>; + + i2s_0: i2s_0 { + function = "i2s0"; + groups = "i2s0_0_grp", "i2s0_1_grp"; + }; + + i2s_1: i2s_1 { + function = "i2s1"; + groups = "i2s1_0_grp", "i2s1_1_grp"; + }; + + i2s_2: i2s_2 { + function = "i2s2"; + groups = "i2s2_0_grp", "i2s2_1_grp", "i2s2_2_grp", + "i2s2_3_grp", "i2s2_4_grp"; + }; + + spi_0: spi_0 { + function = "spi0"; + groups = "spi0_grp"; + }; + } + + spi0@18028000 { + compatible = "arm,pl022", "arm,primecell"; + reg = <0x18028000 0x1000>; + #address-cells = <1>; + #size-cells = <0>; + interrupts = ; + pinctrl-0 = <&spi_0>; + clocks = <&axi81_clk>; + clock-names = "apb_pclk"; + }; + +List of supported functions and groups in Cygnus: + +"gpio": N/A (to be removed for A0) + +"i2s0": "i2s0_0_grp", "i2s0_1_grp" + +"i2s1": "i2s1_0_grp", "i2s1_1_grp" + +"i2s2": "i2s2_0_grp", "i2s2_1_grp", "i2s2_2_grp", "i2s2_3_grp", "i2s2_4_grp" + +"spdif": "spdif_grp" + +"pwm0": "pwm0_grp" + +"pwm1": "pwm1_grp" + +"pwm2": "pwm2_grp" + +"pwm3": "pwm3_grp" + +"pwm4": "pwm4_grp" + +"pwm5": "pwm5_grp" + +"key": "key0_grp", "key1_grp", "key2_grp", "key3_grp", "key4_grp", "key5_grp", +"key6_grp", "key7_grp", "key8_grp", "key9_grp", "key10_grp", "key11_grp", +"key12_grp", "key13_grp", "key14_grp", "key15_grp" + +"audio_dte": "audio_dte0_grp", "audio_dte1_grp", "audio_dte2_grp", "audio_dte3_grp" + +"smart_card0": "smart_card0_grp", "smart_card0_fcb_grp" + +"smart_card1": "smart_card1_grp", "smart_card1_fcb_grp" + +"spi0": "spi0_grp" + +"spi1": "spi1_grp" + +"spi2": "spi2_grp" + +"spi3": "spi3_grp" + +"spi4": "spi4_0_grp", "spi4_1_grp" + +"spi5": "spi5_grp" + +"sw_led0": "sw_led0_0_grp", "sw_led0_1_grp" + +"sw_led1": "sw_led1_grp" + +"sw_led2": "sw_led2_0_grp", "sw_led2_1_grp" + +"d1w": "d1w_grp" + +"lcd": "lcd_grp" + +"sram": "sram_0_grp", "sram_1_grp" + +"uart0": "uart0_grp" + +"uart1": "uart1_grp", "uart1_dte_grp" + +"uart2": "uart2_grp" + +"uart3": "uart3_grp" + +"uart4": "uart4_grp" + +"qspi": "qspi_0_grp", "qspi_1_grp" + +"nand": "nand_grp" + +"sdio0": "sdio0_grp", "sdio0_cd_grp", "sdio0_mmc_grp" + +"sdio1": "sdio1_data_0_grp", "sdio1_data_1_grp", "sdio1_cd_grp", +"sdio1_led_grp", "sdio1_mmc_grp" + +"can0": "can0_grp" + +"can1": "can1_grp" + +"cam": "cam_led_grp", "cam_0_grp", "cam_1_grp" + +"bsc1": "bsc1_grp" + +"pcie_clkreq": "pcie_clkreq_grp" + +"usb0_oc": "usb0_oc_grp" + +"usb1_oc": "usb1_oc_grp" + +"usb2_oc": "usb2_oc_grp"