diff options
Diffstat (limited to 'Documentation/devicetree/bindings/pinctrl/mediatek,mt8365-pinctrl.yaml')
| -rw-r--r-- | Documentation/devicetree/bindings/pinctrl/mediatek,mt8365-pinctrl.yaml | 69 |
1 files changed, 51 insertions, 18 deletions
diff --git a/Documentation/devicetree/bindings/pinctrl/mediatek,mt8365-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/mediatek,mt8365-pinctrl.yaml index 4b96884a1afc..61b33b5416f5 100644 --- a/Documentation/devicetree/bindings/pinctrl/mediatek,mt8365-pinctrl.yaml +++ b/Documentation/devicetree/bindings/pinctrl/mediatek,mt8365-pinctrl.yaml @@ -4,13 +4,13 @@ $id: http://devicetree.org/schemas/pinctrl/mediatek,mt8365-pinctrl.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# -title: Mediatek MT8365 Pin Controller +title: MediaTek MT8365 Pin Controller maintainers: - Zhiyong Tao <zhiyong.tao@mediatek.com> - Bernhard Rosenkränzer <bero@baylibre.com> -description: | +description: The MediaTek's MT8365 Pin controller is used to control SoC pins. properties: @@ -26,17 +26,17 @@ properties: maxItems: 1 minItems: 1 maxItems: 2 - description: | + description: Should be phandles of the syscfg node. gpio-controller: true "#gpio-cells": const: 2 - description: | - Number of cells in GPIO specifier. Since the generic GPIO - binding is used, the amount of cells must be specified as 2. See the below - mentioned gpio binding representation for description of particular cells. + description: + Number of cells in GPIO specifier. Since the generic GPIO binding is used, + the amount of cells must be specified as 2. See the below mentioned gpio + binding representation for description of particular cells. interrupt-controller: true @@ -54,7 +54,7 @@ patternProperties: "pins$": type: object additionalProperties: false - description: | + description: A pinctrl node should contain at least one subnode 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 @@ -65,19 +65,42 @@ patternProperties: properties: pinmux: description: - integer array, represents gpio pin number and mux setting. + Integer array, represents gpio pin number and mux setting. Supported pin number and mux varies for different SoCs, and are defined as macros in <soc>-pinfunc.h directly. bias-disable: true bias-pull-up: + oneOf: + - type: boolean + - enum: [100, 101, 102, 103] + description: Pull up R1/R0 type define value. description: | - Besides generic pinconfig options, it can be used as the pull up - settings for 2 pull resistors, R0 and R1. User can configure those - special pins. + For pull up type is normal, it don't need add R1/R0 define. + For pull up type is R1/R0 type, it can add value to set different + resistance. Valid arguments are described as below: + 100: (R1, R0) = (0, 0) which means R1 disabled and R0 disabled. + 101: (R1, R0) = (0, 1) which means R1 disabled and R0 enabled. + 102: (R1, R0) = (1, 0) which means R1 enabled and R0 disabled. + 103: (R1, R0) = (1, 1) which means R1 enabled and R0 enabled. + + bias-pull-down: + oneOf: + - type: boolean + - enum: [100, 101, 102, 103] + description: Pull down R1/R0 type define value. + description: | + For pull down type is normal, it don't need add R1/R0 define. + For pull down type is R1/R0 type, it can add value to set + different resistance. Valid arguments are described as below: + 100: (R1, R0) = (0, 0) which means R1 disabled and R0 disabled. + 101: (R1, R0) = (0, 1) which means R1 disabled and R0 enabled. + 102: (R1, R0) = (1, 0) which means R1 enabled and R0 disabled. + 103: (R1, R0) = (1, 1) which means R1 enabled and R0 enabled. - bias-pull-down: true + drive-strength: + enum: [2, 4, 6, 8, 10, 12, 14, 16] input-enable: true @@ -91,8 +114,13 @@ patternProperties: input-schmitt-disable: true + drive-strength-microamp: + enum: [125, 250, 500, 1000] + mediatek,drive-strength-adv: + deprecated: true description: | + DEPRECATED: Please use drive-strength-microamp instead. 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 @@ -118,9 +146,12 @@ patternProperties: enum: [0, 1, 2, 3, 4, 5, 6, 7] mediatek,pull-up-adv: + deprecated: true description: | + DEPRECATED: Please use bias-pull-up instead. Pull up setings for 2 pull resistors, R0 and R1. User can - configure those special pins. Valid arguments are described as below: + 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. @@ -129,9 +160,12 @@ patternProperties: enum: [0, 1, 2, 3] mediatek,pull-down-adv: + deprecated: true description: | + DEPRECATED: Please use bias-pull-down instead. Pull down settings for 2 pull resistors, R0 and R1. User can - configure those special pins. Valid arguments are described as below: + 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. @@ -140,14 +174,14 @@ patternProperties: enum: [0, 1, 2, 3] mediatek,tdsel: - description: | + description: An integer describing the steps for output level shifter duty cycle when asserted (high pulse width adjustment). Valid arguments are from 0 to 15. $ref: /schemas/types.yaml#/definitions/uint32 mediatek,rdsel: - description: | + description: An integer describing the steps for input level shifter duty cycle when asserted (high pulse width adjustment). Valid arguments are from 0 to 63. @@ -189,7 +223,6 @@ examples: pins { pinmux = <MT8365_PIN_59_SDA1__FUNC_SDA1_0>, <MT8365_PIN_60_SCL1__FUNC_SCL1_0>; mediatek,pull-up-adv = <3>; - mediatek,drive-strength-adv = <00>; bias-pull-up; }; }; |