Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760683AbbKTR4w (ORCPT ); Fri, 20 Nov 2015 12:56:52 -0500 Received: from mail-gw1-out.broadcom.com ([216.31.210.62]:62519 "EHLO mail-gw1-out.broadcom.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759959AbbKTR4u (ORCPT ); Fri, 20 Nov 2015 12:56:50 -0500 X-IronPort-AV: E=Sophos;i="5.20,323,1444719600"; d="scan'208";a="81221603" From: Yendapally Reddy Dhananjaya Reddy To: Rob Herring , Pawel Moll , "Mark Rutland" , Ian Campbell , Kumar Gala , Ray Jui , Scott Branden , Jon Mason , Linus Walleij CC: , , , , Yendapally Reddy Dhananjaya Reddy Subject: [PATCH 1/3] pinctrl: Broadcom NSP pinctrl device tree bindings Date: Fri, 20 Nov 2015 12:56:31 -0500 Message-ID: <1448042191-1982-1-git-send-email-yrdreddy@broadcom.com> X-Mailer: git-send-email 2.1.0 MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2578 Lines: 101 Device tree binding documentation for Broadcom NSP IOMUX driver Signed-off-by: Yendapally Reddy Dhananjaya Reddy --- .../bindings/pinctrl/brcm,nsp-pinmux.txt | 79 ++++++++++++++++++++++ 1 file changed, 79 insertions(+) create mode 100644 Documentation/devicetree/bindings/pinctrl/brcm,nsp-pinmux.txt diff --git a/Documentation/devicetree/bindings/pinctrl/brcm,nsp-pinmux.txt b/Documentation/devicetree/bindings/pinctrl/brcm,nsp-pinmux.txt new file mode 100644 index 0000000..603564e --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/brcm,nsp-pinmux.txt @@ -0,0 +1,79 @@ +Broadcom NSP (Northstar plus) IOMUX Controller + +The NSP IOMUX controller supports group based mux configuration. In +addition, certain pins can be muxed to GPIO function individually. + +Required properties: +- compatible: + Must be "brcm,nsp-pinmux" + +- reg: + Should contain the register physical address and length for each of + GPIO_CONTROL0, GP_AUX_SEL and IPROC_CONFIG IOMUX registers + +Properties in subnodes: +- function: + The mux function to select + +- groups: + The list of groups to select with a given function + +For more details, refer to +Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt + +For example: + + pinmux: pinmux@1803f1c0 { + compatible = "brcm,nsp-pinmux"; + reg = <0x1803f1c0 0x04>, + <0x18030028 0x04>, + <0x1803f408 0x04>; + + pinctrl-names = "default"; + pinctrl-0 = <&pwm &gpio_b &nand_sel>; + + pwm: pwm { + function = "pwm"; + groups = "pwm0_grp", "pwm1_grp"; + }; + + gpio_b: gpio_b { + function = "gpio_b"; + groups = "gpio_b_0_grp", "gpio_b_1_grp"; + }; + + nand_sel: nand_sel { + function = "nand"; + groups = "nand_grp"; + }; + }; + +List of supported functions and groups in Northstar Plus: + +"spi": "spi_grp" + +"i2c": "i2c_grp" + +"mdio": "mdio_grp" + +"pwm": "pwm0_grp", "pwm1_grp", "pwm2_grp", "pwm3_grp" + +"gpio_b": "gpio_b_0_grp", "gpio_b_1_grp", "gpio_b_2_grp", "gpio_b_3_grp" + +"uart1": "uart1_grp" + +"uart2": "uart2_grp" + +"synce": "synce_grp" + +"sata_led_grps": "sata0_led_grp", "sata1_led_grp" + +"xtal_out": "xtal_out_grp" + +"sdio": "sdio_pwr_grp", "sdio_1p8v_grp" + +"switch_led": "switch_p05_led0_grp", "switch_p05_led1_grp" + +"nand": "nand_grp" + +"emmc": "emmc_grp" -- 2.1.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/