This adds the binding for the i.MX8MQ pin controller, in the same fashion as earlier i.MX SoCs. Signed-off-by: Lucas Stach <l.stach@xxxxxxxxxxxxxx> --- v2: switch to generic pinconf properties --- .../bindings/pinctrl/fsl,imx8mq-pinctrl.txt | 39 ++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 Documentation/devicetree/bindings/pinctrl/fsl,imx8mq-pinctrl.txt diff --git a/Documentation/devicetree/bindings/pinctrl/fsl,imx8mq-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/fsl,imx8mq-pinctrl.txt new file mode 100644 index 000000000000..5c5d2d835d05 --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/fsl,imx8mq-pinctrl.txt @@ -0,0 +1,39 @@ +* Freescale IMX8MQ IOMUX Controller + +Please refer to fsl,imx-pinctrl.txt and pinctrl-bindings.txt in this directory +for common binding part and usage. + +=== Pin Controller Node === + +Required properties: +- compatible: "fsl,imx8mq-iomuxc" +- reg: Must contain the base physical address and size of the iomuxc registers. + +=== Pin Configuration Node === +Required properties: +- pinmux: Array of integersy, representing a group of pins mux setting. + The format is pinmux = <PIN_FUNC_ID>, PIN_FUNC_ID is a pin working on + a specific function. + + Refer to imx8mq-pinfunc.h in device tree source folder for all available + imx8mq PIN_FUNC_ID. + +Optional Properties: +- drive-strength Integer: controls Drive Strength + 0: driver disabled + 1: 255 Ohm + 2: 105 Ohm + 3: 75 Ohm + 4: 85 Ohm + 5: 65 Ohm + 6: 45 Ohm + 7: 40 Ohm +- slew-rate: Integer: controls Slew Rate + 0: Slow + 1: Medium + 2: Fast + 3: Maximum +- drive-open-drain Bool: enable Open-drian +- bias-pull-up Bool: enable Pull-up +- input-schmitt-enable Bool: enable schmitt-trigger +- input-enable Bool: enable input, overriding module settings -- 2.15.1 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html