From 1fa67c675f6477ceb670f087a6f6739f7b3cb099 Mon Sep 17 00:00:00 2001 From: Gregory CLEMENT Date: Wed, 17 May 2017 11:06:35 +0200 Subject: gpio: dt-bindings: Add documentation for gpio controllers on Armada 7K/8K Document the device tree binding for the gpio controllers found on the Marvell Armada 7K and Armada 8K SoCs. Acked-by: Rob Herring Signed-off-by: Gregory CLEMENT --- .../arm/marvell/ap806-system-controller.txt | 20 ++++++++++++++++++ .../arm/marvell/cp110-system-controller0.txt | 24 +++++++++++++++++++++- 2 files changed, 43 insertions(+), 1 deletion(-) (limited to 'Documentation/devicetree/bindings/arm/marvell') diff --git a/Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt b/Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt index 4228d158fb31..0b887440e08a 100644 --- a/Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt +++ b/Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt @@ -64,6 +64,17 @@ mpp17 17 gpio mpp18 18 gpio mpp19 19 gpio, uart0(rxd), sdio(pw_off) +GPIO: +----- +For common binding part and usage, refer to +Documentation/devicetree/bindings/gpio/gpio-mvebu.txt. + +Required properties: + +- compatible: "marvell,armada-8k-gpio" + +- offset: offset address inside the syscon block + Example: ap_syscon: system-controller@6f4000 { compatible = "syscon", "simple-mfd"; @@ -77,4 +88,13 @@ ap_syscon: system-controller@6f4000 { ap_pinctrl: pinctrl { compatible = "marvell,ap806-pinctrl"; }; + + ap_gpio: gpio { + compatible = "marvell,armada-8k-gpio"; + offset = <0x1040>; + ngpios = <19>; + gpio-controller; + #gpio-cells = <2>; + gpio-ranges = <&ap_pinctrl 0 0 19>; + }; }; diff --git a/Documentation/devicetree/bindings/arm/marvell/cp110-system-controller0.txt b/Documentation/devicetree/bindings/arm/marvell/cp110-system-controller0.txt index 06e2b977f18f..171d02cadea4 100644 --- a/Documentation/devicetree/bindings/arm/marvell/cp110-system-controller0.txt +++ b/Documentation/devicetree/bindings/arm/marvell/cp110-system-controller0.txt @@ -149,6 +149,18 @@ mpp60 60 gpio, mss_gpio6, ptp(pulse), tdm(dtx), au(i2smclk), spi0(csn1), uart0(r mpp61 61 gpio, mss_gpio5, ptp(clk), tdm(pclk), au(i2sextclk), spi0(csn2), uart0(txd), uart2(txd), sata1(present_act), ge(mdio), sdio(d3) mpp62 62 gpio, mss_gpio4, synce1(clk), ptp(pclk_out), sata1(present_act), spi0(csn3), uart0(rxd), uart2(rxd), sata0(present_act), ge(mdc) +GPIO: +----- + +For common binding part and usage, refer to +Documentation/devicetree/bindings/gpio/gpio-mvebu.txt. + +Required properties: + +- compatible: "marvell,armada-8k-gpio" + +- offset: offset address inside the syscon block + Example: cpm_syscon0: system-controller@440000 { @@ -163,5 +175,15 @@ cpm_syscon0: system-controller@440000 { cpm_pinctrl: pinctrl { compatible = "marvell,armada-8k-cpm-pinctrl"; }; -}; + cpm_gpio1: gpio@100 { + compatible = "marvell,armada-8k-gpio"; + offset = <0x100>; + ngpios = <32>; + gpio-controller; + #gpio-cells = <2>; + gpio-ranges = <&cpm_pinctrl 0 0 32>; + status = "disabled"; + }; + +}; -- cgit v1.2.3-59-g8ed1b