diff options
Diffstat (limited to 'Documentation/devicetree/bindings/pinctrl/pinctrl-mt8195.yaml')
| -rw-r--r-- | Documentation/devicetree/bindings/pinctrl/pinctrl-mt8195.yaml | 341 |
1 files changed, 191 insertions, 150 deletions
diff --git a/Documentation/devicetree/bindings/pinctrl/pinctrl-mt8195.yaml b/Documentation/devicetree/bindings/pinctrl/pinctrl-mt8195.yaml index 5e2bb2bf3a55..328ea59c5466 100644 --- a/Documentation/devicetree/bindings/pinctrl/pinctrl-mt8195.yaml +++ b/Documentation/devicetree/bindings/pinctrl/pinctrl-mt8195.yaml @@ -55,137 +55,162 @@ properties: Identifying i2c pins pull up/down type which is RSEL. It can support RSEL define or si unit value(ohm) to set different resistance. -#PIN CONFIGURATION NODES +# PIN CONFIGURATION NODES patternProperties: '-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 */ - gpio_pin { - pinmux = <PINMUX_GPIO0__FUNC_GPIO0>; - }; - /* GPIO8 set as multifunction SDA0 */ - i2c0_pin { - pinmux = <PINMUX_GPIO8__FUNC_SDA0>; - }; - }; - $ref: "pinmux-node.yaml" - - 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. - - drive-strength: - enum: [2, 4, 6, 8, 10, 12, 14, 16] - - bias-pull-down: - description: | - For pull down type is normal, it don't need add RSEL & R1R0 define - and resistance value. - For pull down type is PUPD/R0/R1 type, it can add R1R0 define to - set different resistance. It can support "MTK_PUPD_SET_R1R0_00" & - "MTK_PUPD_SET_R1R0_01" & "MTK_PUPD_SET_R1R0_10" & "MTK_PUPD_SET_R1R0_11" - define in mt8195. - For pull down type is RSEL, it can add RSEL define & resistance value(ohm) - to set different resistance by identifying property "mediatek,rsel_resistance_in_si_unit". - It can support "MTK_PULL_SET_RSEL_000" & "MTK_PULL_SET_RSEL_001" - & "MTK_PULL_SET_RSEL_010" & "MTK_PULL_SET_RSEL_011" & "MTK_PULL_SET_RSEL_100" - & "MTK_PULL_SET_RSEL_101" & "MTK_PULL_SET_RSEL_110" & "MTK_PULL_SET_RSEL_111" - define in mt8195. It can also support resistance value(ohm) "75000" & "5000" in mt8195. - oneOf: - - enum: [100, 101, 102, 103] - - description: mt8195 pull down PUPD/R0/R1 type define value. - - enum: [200, 201, 202, 203, 204, 205, 206, 207] - - description: mt8195 pull down RSEL type define value. - - enum: [75000, 5000] - - description: mt8195 pull down RSEL type si unit value(ohm). - - An example of using RSEL define: - pincontroller { - i2c0_pin { - pinmux = <PINMUX_GPIO8__FUNC_SDA0>; - bias-pull-down = <MTK_PULL_SET_RSEL_001>; - }; - }; - An example of using si unit resistance value(ohm): - &pio { - mediatek,rsel_resistance_in_si_unit; - } - pincontroller { - i2c0_pin { - pinmux = <PINMUX_GPIO8__FUNC_SDA0>; - bias-pull-down = <75000>; - }; - }; - - bias-pull-up: + additionalProperties: false + patternProperties: + '^pins': + type: object + additionalProperties: false description: | - For pull up type is normal, it don't need add RSEL & R1R0 define - and resistance value. - For pull up type is PUPD/R0/R1 type, it can add R1R0 define to - set different resistance. It can support "MTK_PUPD_SET_R1R0_00" & - "MTK_PUPD_SET_R1R0_01" & "MTK_PUPD_SET_R1R0_10" & "MTK_PUPD_SET_R1R0_11" - define in mt8195. - For pull up type is RSEL, it can add RSEL define & resistance value(ohm) - to set different resistance by identifying property "mediatek,rsel_resistance_in_si_unit". - It can support "MTK_PULL_SET_RSEL_000" & "MTK_PULL_SET_RSEL_001" - & "MTK_PULL_SET_RSEL_010" & "MTK_PULL_SET_RSEL_011" & "MTK_PULL_SET_RSEL_100" - & "MTK_PULL_SET_RSEL_101" & "MTK_PULL_SET_RSEL_110" & "MTK_PULL_SET_RSEL_111" - define in mt8195. It can also support resistance value(ohm) - "1000" & "1500" & "2000" & "3000" & "4000" & "5000" & "10000" & "75000" in mt8195. - oneOf: - - enum: [100, 101, 102, 103] - - description: mt8195 pull up PUPD/R0/R1 type define value. - - enum: [200, 201, 202, 203, 204, 205, 206, 207] - - description: mt8195 pull up RSEL type define value. - - enum: [1000, 1500, 2000, 3000, 4000, 5000, 10000, 75000] - - description: mt8195 pull up RSEL type si unit value(ohm). - An example of using RSEL define: + 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 { - i2c0_pin { - pinmux = <PINMUX_GPIO8__FUNC_SDA0>; - bias-pull-up = <MTK_PULL_SET_RSEL_001>; + /* GPIO0 set as multifunction GPIO0 */ + gpio-pins { + pins { + pinmux = <PINMUX_GPIO0__FUNC_GPIO0>; + } }; - }; - An example of using si unit resistance value(ohm): - &pio { - mediatek,rsel_resistance_in_si_unit; - } - pincontroller { - i2c0_pin { - pinmux = <PINMUX_GPIO8__FUNC_SDA0>; - bias-pull-up = <1000>; + /* GPIO8 set as multifunction SDA0 */ + i2c0-pins { + pins { + pinmux = <PINMUX_GPIO8__FUNC_SDA0>; + } }; }; - - bias-disable: true - - output-high: true - - output-low: true - - input-enable: true - - input-disable: true - - input-schmitt-enable: true - - input-schmitt-disable: true - - required: - - pinmux - - additionalProperties: false + $ref: "pinmux-node.yaml" + + 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. + + drive-strength: + enum: [2, 4, 6, 8, 10, 12, 14, 16] + + bias-pull-down: + description: | + For pull down type is normal, it don't need add RSEL & R1R0 define + and resistance value. + For pull down type is PUPD/R0/R1 type, it can add R1R0 define to + set different resistance. It can support "MTK_PUPD_SET_R1R0_00" & + "MTK_PUPD_SET_R1R0_01" & "MTK_PUPD_SET_R1R0_10" & + "MTK_PUPD_SET_R1R0_11" define in mt8195. + For pull down type is RSEL, it can add RSEL define & resistance + value(ohm) to set different resistance by identifying property + "mediatek,rsel_resistance_in_si_unit". + It can support "MTK_PULL_SET_RSEL_000" & "MTK_PULL_SET_RSEL_001" + & "MTK_PULL_SET_RSEL_010" & "MTK_PULL_SET_RSEL_011" + & "MTK_PULL_SET_RSEL_100" & "MTK_PULL_SET_RSEL_101" + & "MTK_PULL_SET_RSEL_110" & "MTK_PULL_SET_RSEL_111" + define in mt8195. It can also support resistance value(ohm) + "75000" & "5000" in mt8195. + oneOf: + - enum: [100, 101, 102, 103] + - description: mt8195 pull down PUPD/R0/R1 type define value. + - enum: [200, 201, 202, 203, 204, 205, 206, 207] + - description: mt8195 pull down RSEL type define value. + - enum: [75000, 5000] + - description: mt8195 pull down RSEL type si unit value(ohm). + + An example of using RSEL define: + pincontroller { + i2c0_pin { + pins { + pinmux = <PINMUX_GPIO8__FUNC_SDA0>; + bias-pull-down = <MTK_PULL_SET_RSEL_001>; + } + }; + }; + An example of using si unit resistance value(ohm): + &pio { + mediatek,rsel_resistance_in_si_unit; + } + pincontroller { + i2c0_pin { + pins { + pinmux = <PINMUX_GPIO8__FUNC_SDA0>; + bias-pull-down = <75000>; + } + }; + }; + + bias-pull-up: + description: | + For pull up type is normal, it don't need add RSEL & R1R0 define + and resistance value. + For pull up type is PUPD/R0/R1 type, it can add R1R0 define to + set different resistance. It can support "MTK_PUPD_SET_R1R0_00" & + "MTK_PUPD_SET_R1R0_01" & "MTK_PUPD_SET_R1R0_10" & + "MTK_PUPD_SET_R1R0_11" define in mt8195. + For pull up type is RSEL, it can add RSEL define & resistance + value(ohm) to set different resistance by identifying property + "mediatek,rsel_resistance_in_si_unit". + It can support "MTK_PULL_SET_RSEL_000" & "MTK_PULL_SET_RSEL_001" + & "MTK_PULL_SET_RSEL_010" & "MTK_PULL_SET_RSEL_011" + & "MTK_PULL_SET_RSEL_100" & "MTK_PULL_SET_RSEL_101" + & "MTK_PULL_SET_RSEL_110" & "MTK_PULL_SET_RSEL_111" + define in mt8195. It can also support resistance value(ohm) + "1000" & "1500" & "2000" & "3000" & "4000" & "5000" & "10000" & + "75000" in mt8195. + oneOf: + - enum: [100, 101, 102, 103] + - description: mt8195 pull up PUPD/R0/R1 type define value. + - enum: [200, 201, 202, 203, 204, 205, 206, 207] + - description: mt8195 pull up RSEL type define value. + - enum: [1000, 1500, 2000, 3000, 4000, 5000, 10000, 75000] + - description: mt8195 pull up RSEL type si unit value(ohm). + An example of using RSEL define: + pincontroller { + i2c0-pins { + pins { + pinmux = <PINMUX_GPIO8__FUNC_SDA0>; + bias-pull-up = <MTK_PULL_SET_RSEL_001>; + } + }; + }; + An example of using si unit resistance value(ohm): + &pio { + mediatek,rsel_resistance_in_si_unit; + } + pincontroller { + i2c0-pins { + pins { + pinmux = <PINMUX_GPIO8__FUNC_SDA0>; + bias-pull-up = <1000>; + } + }; + }; + + bias-disable: true + + output-high: true + + output-low: true + + input-enable: true + + input-disable: true + + input-schmitt-enable: true + + input-schmitt-disable: true + + required: + - pinmux + +allOf: + - $ref: "pinctrl.yaml#" required: - compatible @@ -201,30 +226,46 @@ additionalProperties: false examples: - | - #include <dt-bindings/pinctrl/mt8195-pinfunc.h> - #include <dt-bindings/interrupt-controller/arm-gic.h> - pio: pinctrl@10005000 { - compatible = "mediatek,mt8195-pinctrl"; - reg = <0x10005000 0x1000>, - <0x11d10000 0x1000>, - <0x11d30000 0x1000>, - <0x11d40000 0x1000>, - <0x11e20000 0x1000>, - <0x11eb0000 0x1000>, - <0x11f40000 0x1000>, - <0x1000b000 0x1000>; - reg-names = "iocfg0", "iocfg_bm", "iocfg_bl", - "iocfg_br", "iocfg_lm", "iocfg_rb", - "iocfg_tl", "eint"; - gpio-controller; - #gpio-cells = <2>; - gpio-ranges = <&pio 0 0 144>; - interrupt-controller; - interrupts = <GIC_SPI 225 IRQ_TYPE_LEVEL_HIGH 0>; - #interrupt-cells = <2>; - - pio-pins { - pinmux = <PINMUX_GPIO0__FUNC_GPIO0>; - output-low; - }; - }; + #include <dt-bindings/pinctrl/mt8195-pinfunc.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + # + pio: pinctrl@10005000 { + compatible = "mediatek,mt8195-pinctrl"; + reg = <0x10005000 0x1000>, + <0x11d10000 0x1000>, + <0x11d30000 0x1000>, + <0x11d40000 0x1000>, + <0x11e20000 0x1000>, + <0x11eb0000 0x1000>, + <0x11f40000 0x1000>, + <0x1000b000 0x1000>; + reg-names = "iocfg0", "iocfg_bm", "iocfg_bl", + "iocfg_br", "iocfg_lm", "iocfg_rb", + "iocfg_tl", "eint"; + gpio-controller; + #gpio-cells = <2>; + gpio-ranges = <&pio 0 0 144>; + interrupt-controller; + interrupts = <GIC_SPI 225 IRQ_TYPE_LEVEL_HIGH 0>; + #interrupt-cells = <2>; + + pio-pins { + pins { + pinmux = <PINMUX_GPIO0__FUNC_GPIO0>; + output-low; + }; + }; + + spi0-pins { + pins-spi { + pinmux = <PINMUX_GPIO132__FUNC_SPIM0_CSB>, + <PINMUX_GPIO134__FUNC_SPIM0_MO>, + <PINMUX_GPIO133__FUNC_SPIM0_CLK>; + bias-disable; + }; + pins-spi-mi { + pinmux = <PINMUX_GPIO135__FUNC_SPIM0_MI>; + bias-pull-down; + }; + }; + }; |