diff options
Diffstat (limited to '')
| -rw-r--r-- | Documentation/devicetree/bindings/pinctrl/pinctrl-mt8192.yaml | 118 |
1 files changed, 73 insertions, 45 deletions
diff --git a/Documentation/devicetree/bindings/pinctrl/pinctrl-mt8192.yaml b/Documentation/devicetree/bindings/pinctrl/pinctrl-mt8192.yaml index c4c071211611..e0e943e5b874 100644 --- a/Documentation/devicetree/bindings/pinctrl/pinctrl-mt8192.yaml +++ b/Documentation/devicetree/bindings/pinctrl/pinctrl-mt8192.yaml @@ -29,6 +29,8 @@ properties: description: gpio valid number range. maxItems: 1 + gpio-line-names: true + reg: description: | Physical address base for gpio base registers. There are 11 GPIO @@ -51,62 +53,79 @@ properties: #PIN CONFIGURATION NODES patternProperties: - '^pins': + '-pins$': type: object - description: | - A pinctrl node should contain at least one subnodes representing the - pinctrl groups available on the machine. Each subnode will list the - pins it needs, and how they should be configured, with regard to muxer - configuration, pullups, drive strength, input enable/disable and - input schmitt. - An example of using macro: - pincontroller { - /* GPIO0 set as multifunction GPIO0 */ - state_0_node_a { - pinmux = <PINMUX_GPIO0__FUNC_GPIO0>; - }; - /* GPIO1 set as multifunction PWM */ - state_0_node_b { - pinmux = <PINMUX_GPIO1__FUNC_PWM_1>; - }; - }; - $ref: "pinmux-node.yaml" - - properties: - pinmux: + additionalProperties: false + patternProperties: + '^pins': + type: object description: | - Integer array, represents gpio pin number and mux setting. - Supported pin number and mux varies for different SoCs, and are defined - as macros in dt-bindings/pinctrl/<soc>-pinfunc.h directly. + A pinctrl node should contain at least one subnodes representing the + pinctrl groups available on the machine. Each subnode will list the + pins it needs, and how they should be configured, with regard to muxer + configuration, pullups, drive strength, input enable/disable and + input schmitt. + $ref: "pinmux-node.yaml" - drive-strength: - description: | - It can support some arguments, such as MTK_DRIVE_4mA, MTK_DRIVE_6mA, etc. See - dt-bindings/pinctrl/mt65xx.h. It can only support 2/4/6/8/10/12/14/16mA in mt8192. - enum: [2, 4, 6, 8, 10, 12, 14, 16] + properties: + pinmux: + description: | + Integer array, represents gpio pin number and mux setting. + Supported pin number and mux varies for different SoCs, and are defined + as macros in dt-bindings/pinctrl/<soc>-pinfunc.h directly. - bias-pull-down: true + drive-strength: + description: | + It can support some arguments, such as MTK_DRIVE_4mA, MTK_DRIVE_6mA, etc. See + dt-bindings/pinctrl/mt65xx.h. It can only support 2/4/6/8/10/12/14/16mA in mt8192. + enum: [2, 4, 6, 8, 10, 12, 14, 16] - bias-pull-up: true + drive-strength-microamp: + enum: [125, 250, 500, 1000] - bias-disable: true + bias-pull-down: + oneOf: + - type: boolean + description: normal pull down. + - enum: [100, 101, 102, 103] + description: PUPD/R1/R0 pull down type. See MTK_PUPD_SET_R1R0_ + defines in dt-bindings/pinctrl/mt65xx.h. + - enum: [200, 201, 202, 203] + description: RSEL pull down type. See MTK_PULL_SET_RSEL_ + defines in dt-bindings/pinctrl/mt65xx.h. - output-high: true + bias-pull-up: + oneOf: + - type: boolean + description: normal pull up. + - enum: [100, 101, 102, 103] + description: PUPD/R1/R0 pull up type. See MTK_PUPD_SET_R1R0_ + defines in dt-bindings/pinctrl/mt65xx.h. + - enum: [200, 201, 202, 203] + description: RSEL pull up type. See MTK_PULL_SET_RSEL_ + defines in dt-bindings/pinctrl/mt65xx.h. - output-low: true + bias-disable: true - input-enable: true + output-high: true - input-disable: true + output-low: true - input-schmitt-enable: true + input-enable: true - input-schmitt-disable: true + input-disable: true - required: - - pinmux + input-schmitt-enable: true - additionalProperties: false + input-schmitt-disable: true + + required: + - pinmux + + additionalProperties: false + +allOf: + - $ref: "pinctrl.yaml#" required: - compatible @@ -148,8 +167,17 @@ examples: interrupts = <GIC_SPI 212 IRQ_TYPE_LEVEL_HIGH 0>; #interrupt-cells = <2>; - pins { - pinmux = <PINMUX_GPIO0__FUNC_GPIO0>; - output-low; + spi1-default-pins { + pins-cs-mosi-clk { + pinmux = <PINMUX_GPIO157__FUNC_SPI1_A_CSB>, + <PINMUX_GPIO159__FUNC_SPI1_A_MO>, + <PINMUX_GPIO156__FUNC_SPI1_A_CLK>; + bias-disable; + }; + + pins-miso { + pinmux = <PINMUX_GPIO158__FUNC_SPI1_A_MI>; + bias-pull-down; + }; }; }; |