diff options
Diffstat (limited to 'Documentation/devicetree/bindings/pinctrl/pinctrl-mt8192.yaml')
| -rw-r--r-- | Documentation/devicetree/bindings/pinctrl/pinctrl-mt8192.yaml | 64 |
1 files changed, 24 insertions, 40 deletions
diff --git a/Documentation/devicetree/bindings/pinctrl/pinctrl-mt8192.yaml b/Documentation/devicetree/bindings/pinctrl/pinctrl-mt8192.yaml index c90a132fbc79..e0e943e5b874 100644 --- a/Documentation/devicetree/bindings/pinctrl/pinctrl-mt8192.yaml +++ b/Documentation/devicetree/bindings/pinctrl/pinctrl-mt8192.yaml @@ -80,46 +80,30 @@ patternProperties: 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] - mediatek,drive-strength-adv: - description: | - Describe the specific driving setup property. - For I2C pins, the existing generic driving setup can only support - 2/4/6/8/10/12/14/16mA driving. But in specific driving setup, they - can support 0.125/0.25/0.5/1mA adjustment. If we enable specific - driving setup, the existing generic setup will be disabled. - The specific driving setup is controlled by E1E0EN. - When E1=0/E0=0, the strength is 0.125mA. - When E1=0/E0=1, the strength is 0.25mA. - When E1=1/E0=0, the strength is 0.5mA. - When E1=1/E0=1, the strength is 1mA. - EN is used to enable or disable the specific driving setup. - Valid arguments are described as below: - 0: (E1, E0, EN) = (0, 0, 0) - 1: (E1, E0, EN) = (0, 0, 1) - 2: (E1, E0, EN) = (0, 1, 0) - 3: (E1, E0, EN) = (0, 1, 1) - 4: (E1, E0, EN) = (1, 0, 0) - 5: (E1, E0, EN) = (1, 0, 1) - 6: (E1, E0, EN) = (1, 1, 0) - 7: (E1, E0, EN) = (1, 1, 1) - So the valid arguments are from 0 to 7. - $ref: /schemas/types.yaml#/definitions/uint32 - enum: [0, 1, 2, 3, 4, 5, 6, 7] - - mediatek,pull-up-adv: - description: | - Pull up settings for 2 pull resistors, R0 and R1. User can - configure those special pins. Valid arguments are described as below: - 0: (R1, R0) = (0, 0) which means R1 disabled and R0 disabled. - 1: (R1, R0) = (0, 1) which means R1 disabled and R0 enabled. - 2: (R1, R0) = (1, 0) which means R1 enabled and R0 disabled. - 3: (R1, R0) = (1, 1) which means R1 enabled and R0 enabled. - $ref: /schemas/types.yaml#/definitions/uint32 - enum: [0, 1, 2, 3] - - bias-pull-down: true - - bias-pull-up: true + drive-strength-microamp: + enum: [125, 250, 500, 1000] + + 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. + + 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. bias-disable: true |