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Diffstat (limited to 'Documentation/devicetree/bindings/pinctrl/fsl,imx6ul-pinctrl.yaml')
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diff --git a/Documentation/devicetree/bindings/pinctrl/fsl,imx6ul-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/fsl,imx6ul-pinctrl.yaml new file mode 100644 index 0000000000..906b264a9e --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/fsl,imx6ul-pinctrl.yaml @@ -0,0 +1,116 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pinctrl/fsl,imx6ul-pinctrl.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Freescale IMX6UL IOMUX Controller + +maintainers: + - Dong Aisheng <aisheng.dong@nxp.com> + +description: + Please refer to fsl,imx-pinctrl.txt and pinctrl-bindings.txt in this directory + for common binding part and usage. + +allOf: + - $ref: pinctrl.yaml# + +properties: + compatible: + enum: + - fsl,imx6ul-iomuxc + - fsl,imx6ull-iomuxc-snvs + + reg: + maxItems: 1 + +# Client device subnode's properties +patternProperties: + 'grp$': + 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/imx6ul-pinfunc.h>. The last integer + CONFIG is the pad setting value like pull-up on this pin. Please + refer to i.MX6UL 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: + PAD_CTL_HYS (1 << 16) + PAD_CTL_PUS_100K_DOWN (0 << 14) + PAD_CTL_PUS_47K_UP (1 << 14) + PAD_CTL_PUS_100K_UP (2 << 14) + PAD_CTL_PUS_22K_UP (3 << 14) + PAD_CTL_PUE (1 << 13) + PAD_CTL_PKE (1 << 12) + PAD_CTL_ODE (1 << 11) + PAD_CTL_SPEED_LOW (0 << 6) + PAD_CTL_SPEED_MED (1 << 6) + PAD_CTL_SPEED_HIGH (3 << 6) + PAD_CTL_DSE_DISABLE (0 << 3) + PAD_CTL_DSE_260ohm (1 << 3) + PAD_CTL_DSE_130ohm (2 << 3) + PAD_CTL_DSE_87ohm (3 << 3) + PAD_CTL_DSE_65ohm (4 << 3) + PAD_CTL_DSE_52ohm (5 << 3) + PAD_CTL_DSE_43ohm (6 << 3) + PAD_CTL_DSE_37ohm (7 << 3) + PAD_CTL_SRE_FAST (1 << 0) + PAD_CTL_SRE_SLOW (0 << 0) + + required: + - fsl,pins + + additionalProperties: false + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + iomuxc: pinctrl@20e0000 { + compatible = "fsl,imx6ul-iomuxc"; + reg = <0x020e0000 0x4000>; + + mux_uart: uartgrp { + fsl,pins = < + 0x0084 0x0310 0x0000 0 0 0x1b0b1 + 0x0088 0x0314 0x0624 0 3 0x1b0b1 + >; + }; + }; + - | + iomuxc_snvs: pinctrl@2290000 { + compatible = "fsl,imx6ull-iomuxc-snvs"; + reg = <0x02290000 0x4000>; + + pinctrl_snvs_usbc_det: snvsusbcdetgrp { + fsl,pins = < + 0x0010 0x0054 0x0000 0x5 0x0 0x130b0 + >; + }; + }; |