On Thu, Feb 01, 2018 at 06:49:21PM +0100, Lucas Stach wrote: > 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 I thought drive-strength is supposed to be be in mA. We should not have differing units in common properties. There was an Atmel binding the other day that this came up. > + 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
