On 26/03/2022 15:43, Jesse Taube wrote: > Add i.MXRT1170 pinctrl binding Documentation > > Cc: Giulio Benetti <giulio.benetti@xxxxxxxxxxxxxxxxxxxxxx> > Signed-off-by: Jesse Taube <Mr.Bossman075@xxxxxxxxx> > --- > .../bindings/pinctrl/fsl,imxrt1170.yaml | 77 +++++++++++++++++++ > 1 file changed, 77 insertions(+) > create mode 100644 Documentation/devicetree/bindings/pinctrl/fsl,imxrt1170.yaml > > diff --git a/Documentation/devicetree/bindings/pinctrl/fsl,imxrt1170.yaml b/Documentation/devicetree/bindings/pinctrl/fsl,imxrt1170.yaml > new file mode 100644 > index 000000000000..2e880b3e537c > --- /dev/null > +++ b/Documentation/devicetree/bindings/pinctrl/fsl,imxrt1170.yaml > @@ -0,0 +1,77 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/pinctrl/fsl,imxrt1170.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Freescale i.MXRT1170 IOMUX Controller > + > +maintainers: > + - Giulio Benetti <giulio.benetti@xxxxxxxxxxxxxxxxxxxxxx> > + - Jesse Taube <Mr.Bossman075@xxxxxxxxx> > + > +description: > + Please refer to fsl,imx-pinctrl.txt and pinctrl-bindings.txt in this directory > + for common binding part and usage. > + > +properties: > + compatible: > + const: fsl,imxrt1170-iomuxc > + > + reg: > + maxItems: 1 > + > +# Client device subnode's properties > +patternProperties: > + 'grp$': > + type: object > + description: > + Pinctrl node's client devices use subnodes for desired pin configuration. > + Client device subnodes use below standard properties. > + > + properties: > + fsl,pins: > + description: > + each entry consists of 6 integers and represents the mux and config > + setting for one pin. The first 5 integers <mux_reg conf_reg input_reg > + mux_val input_val> are specified using a PIN_FUNC_ID macro, which can > + be found in <arch/arm/boot/dts/imxrt1170-pinfunc.h>. The last > + integer CONFIG is the pad setting value like pull-up on this pin. Please > + refer to i.MXRT1170 Reference Manual for detailed CONFIG settings. > + $ref: /schemas/types.yaml#/definitions/uint32-matrix > + items: > + items: > + - description: | > + "mux_reg" indicates the offset of mux register. > + - description: | > + "conf_reg" indicates the offset of pad configuration register. > + - description: | > + "input_reg" indicates the offset of select input register. > + - description: | > + "mux_val" indicates the mux value to be applied. > + - description: | > + "input_val" indicates the select input value to be applied. > + - description: | > + "pad_setting" indicates the pad configuration value to be applied. > + required: > + - fsl,pins > + > + additionalProperties: false > + > +required: > + - compatible > + - reg You miss pinctrl.yaml, why? > + > +additionalProperties: false > + > +examples: > + - | > + iomuxc: iomuxc@400e8000 { > + compatible = "fsl,imxrt1170-iomuxc"; > + reg = <0x400e8000 0x4000>; > + pinctrl_lpuart1: lpuart1grp { > + fsl,pins = > + <0x16C 0x3B0 0x620 0x0 0x0 0xf1>, > + <0x170 0x3B4 0x61C 0x0 0x0 0xf1>; > + }; > + }; Best regards, Krzysztof
