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Subject[PATCH 2/9] pinctrl: dt-bindings: add documentation for AP806 pin controllers
Date
Document the device tree binding for the pin controllers found on the
Armada 7K and Armada 8K SoCs.

Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
---
Documentation/devicetree/bindings/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";
};
+};
--
git-series 0.9.1
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