From e88e2cd70102d937d46b7bfe56c5cb46801f2fe2 Mon Sep 17 00:00:00 2001 From: Gregory CLEMENT Date: Tue, 9 May 2017 18:27:47 +0200 Subject: [PATCH] pinctrl: dt-bindings: add documentation for AP806 pin controllers Document the device tree binding for the pin controllers found on the Armada 7K and Armada 8K SoCs. Acked-by: Rob Herring Signed-off-by: Gregory CLEMENT --- .../arm/marvell/ap806-system-controller.txt | 53 ++++++++++++++++--- 1 file changed, 46 insertions(+), 7 deletions(-) diff --git a/Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt b/Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt index 888c50e0d64f..4228d158fb31 100644 --- a/Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt +++ b/Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt @@ -28,14 +28,53 @@ Required properties: - compatible: must be: "marvell,ap806-clock" - #clock-cells: must be set to 1 +Pinctrl: +-------- + +For common binding part and usage, refer to +Documentation/devicetree/bindings/pinctrl/marvell,mvebu-pinctrl.txt. + +Required properties: +- compatible must be "marvell,ap806-pinctrl", + +Available mpp pins/groups and functions: +Note: brackets (x) are not part of the mpp name for marvell,function and given +only for more detailed description in this document. + +name pins functions +================================================================================ +mpp0 0 gpio, sdio(clk), spi0(clk) +mpp1 1 gpio, sdio(cmd), spi0(miso) +mpp2 2 gpio, sdio(d0), spi0(mosi) +mpp3 3 gpio, sdio(d1), spi0(cs0n) +mpp4 4 gpio, sdio(d2), i2c0(sda) +mpp5 5 gpio, sdio(d3), i2c0(sdk) +mpp6 6 gpio, sdio(ds) +mpp7 7 gpio, sdio(d4), uart1(rxd) +mpp8 8 gpio, sdio(d5), uart1(txd) +mpp9 9 gpio, sdio(d6), spi0(cs1n) +mpp10 10 gpio, sdio(d7) +mpp11 11 gpio, uart0(txd) +mpp12 12 gpio, sdio(pw_off), sdio(hw_rst) +mpp13 13 gpio +mpp14 14 gpio +mpp15 15 gpio +mpp16 16 gpio +mpp17 17 gpio +mpp18 18 gpio +mpp19 19 gpio, uart0(rxd), sdio(pw_off) + Example: +ap_syscon: system-controller@6f4000 { + compatible = "syscon", "simple-mfd"; + reg = <0x6f4000 0x1000>; - syscon: system-controller@6f4000 { - compatible = "syscon", "simple-mfd"; - reg = <0x6f4000 0x1000>; + ap_clk: clock { + compatible = "marvell,ap806-clock"; + #clock-cells = <1>; + }; - ap_clk: clock { - compatible = "marvell,ap806-clock"; - #clock-cells = <1>; - }; + ap_pinctrl: pinctrl { + compatible = "marvell,ap806-pinctrl"; }; +}; -- 2.20.1