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| -rw-r--r-- | Documentation/devicetree/bindings/pinctrl/fsl,imx8mq-pinctrl.txt | 36 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/pinctrl/fsl,imx8mq-pinctrl.yaml | 82 |
2 files changed, 82 insertions, 36 deletions
diff --git a/Documentation/devicetree/bindings/pinctrl/fsl,imx8mq-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/fsl,imx8mq-pinctrl.txt deleted file mode 100644 index 66de75090458..000000000000 --- a/Documentation/devicetree/bindings/pinctrl/fsl,imx8mq-pinctrl.txt +++ /dev/null @@ -1,36 +0,0 @@ -* Freescale IMX8MQ IOMUX Controller - -Please refer to fsl,imx-pinctrl.txt and pinctrl-bindings.txt in this directory -for common binding part and usage. - -Required properties: -- compatible: "fsl,imx8mq-iomuxc" -- reg: should contain the base physical address and size of the iomuxc - registers. - -Required properties in sub-nodes: -- fsl,pins: 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 - imx8mq-pinfunc.h under device tree source folder. The last integer CONFIG is - the pad setting value like pull-up on this pin. Please refer to i.MX8M Quad - Reference Manual for detailed CONFIG settings. - -Examples: - -&uart1 { - pinctrl-names = "default"; - pinctrl-0 = <&pinctrl_uart1>; -}; - -iomuxc: pinctrl@30330000 { - compatible = "fsl,imx8mq-iomuxc"; - reg = <0x0 0x30330000 0x0 0x10000>; - - pinctrl_uart1: uart1grp { - fsl,pins = < - MX8MQ_IOMUXC_UART1_RXD_UART1_DCE_RX 0x49 - MX8MQ_IOMUXC_UART1_TXD_UART1_DCE_TX 0x49 - >; - }; -}; diff --git a/Documentation/devicetree/bindings/pinctrl/fsl,imx8mq-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/fsl,imx8mq-pinctrl.yaml new file mode 100644 index 000000000000..b30c704fcfa1 --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/fsl,imx8mq-pinctrl.yaml @@ -0,0 +1,82 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pinctrl/fsl,imx8mq-pinctrl.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Freescale IMX8MQ IOMUX Controller + +maintainers: + - Anson Huang <Anson.Huang@nxp.com> + +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,imx8mq-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/arm64/boot/dts/freescale/imx8mq-pinfunc.h>. The last + integer CONFIG is the pad setting value like pull-up on this pin. Please + refer to i.MX8M Quad Reference Manual for detailed CONFIG settings. + allOf: + - $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 + +additionalProperties: false + +examples: + # Pinmux controller node + - | + iomuxc: pinctrl@30330000 { + compatible = "fsl,imx8mq-iomuxc"; + reg = <0x30330000 0x10000>; + + pinctrl_uart1: uart1grp { + fsl,pins = + <0x234 0x49C 0x4F4 0x0 0x0 0x49>, + <0x238 0x4A0 0x4F4 0x0 0x0 0x49>; + }; + }; + +... |