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Diffstat (limited to 'dts/Bindings/pinctrl/pinctrl-mt8186.yaml')
-rw-r--r-- | dts/Bindings/pinctrl/pinctrl-mt8186.yaml | 297 |
1 files changed, 0 insertions, 297 deletions
diff --git a/dts/Bindings/pinctrl/pinctrl-mt8186.yaml b/dts/Bindings/pinctrl/pinctrl-mt8186.yaml deleted file mode 100644 index 8a2bb86082..0000000000 --- a/dts/Bindings/pinctrl/pinctrl-mt8186.yaml +++ /dev/null @@ -1,297 +0,0 @@ -# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) -%YAML 1.2 ---- -$id: http://devicetree.org/schemas/pinctrl/pinctrl-mt8186.yaml# -$schema: http://devicetree.org/meta-schemas/core.yaml# - -title: Mediatek MT8186 Pin Controller - -maintainers: - - Sean Wang <sean.wang@mediatek.com> - -description: | - The Mediatek's Pin controller is used to control SoC pins. - -properties: - compatible: - const: mediatek,mt8186-pinctrl - - gpio-controller: true - - '#gpio-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. - const: 2 - - gpio-ranges: - maxItems: 1 - - reg: - description: | - Physical address base for gpio base registers. There are 8 different GPIO - physical address base in mt8186. - maxItems: 8 - - reg-names: - description: | - Gpio base register names. - items: - - const: iocfg0 - - const: iocfg_bm - - const: iocfg_bl - - const: iocfg_br - - const: iocfg_lm - - const: iocfg_rb - - const: iocfg_tl - - const: eint - - interrupt-controller: true - - '#interrupt-cells': - const: 2 - - interrupts: - description: The interrupt outputs to sysirq - maxItems: 1 - - mediatek,rsel-resistance-in-si-unit: - type: boolean - description: | - 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 -patternProperties: - '-pins$': - type: object - additionalProperties: false - patternProperties: - '^pins': - type: object - additionalProperties: false - 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-pins { - pins { - pinmux = <PINMUX_GPIO0__FUNC_GPIO0>; - } - }; - /* GPIO128 set as multifunction SDA0 */ - i2c0-pins { - pins { - pinmux = <PINMUX_GPIO128__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] - - 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] - - bias-pull-down: - oneOf: - - type: boolean - - enum: [100, 101, 102, 103] - description: mt8186 pull down PUPD/R0/R1 type define value. - - enum: [200, 201, 202, 203] - description: mt8186 pull down RSEL type define value. - - enum: [75000, 5000] - description: mt8186 pull down RSEL type si unit value(ohm). - 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 mt8186. - 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" - define in mt8186. It can also support resistance value(ohm) - "75000" & "5000" in mt8186. - An example of using RSEL define: - pincontroller { - i2c0_pin { - pins { - pinmux = <PINMUX_GPIO128__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_GPIO128__FUNC_SDA0>; - bias-pull-down = <75000>; - } - }; - }; - - bias-pull-up: - oneOf: - - type: boolean - - enum: [100, 101, 102, 103] - description: mt8186 pull up PUPD/R0/R1 type define value. - - enum: [200, 201, 202, 203] - description: mt8186 pull up RSEL type define value. - - enum: [1000, 5000, 10000, 75000] - description: mt8186 pull up RSEL type si unit value(ohm). - 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 mt8186. - 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" - define in mt8186. It can also support resistance value(ohm) - "1000" & "5000" & "10000" & "75000" in mt8186. - An example of using si unit resistance value(ohm): - &pio { - mediatek,rsel-resistance-in-si-unit; - } - pincontroller { - i2c0-pins { - pins { - pinmux = <PINMUX_GPIO128__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 - -required: - - compatible - - reg - - interrupts - - interrupt-controller - - '#interrupt-cells' - - gpio-controller - - '#gpio-cells' - - gpio-ranges - -additionalProperties: false - -examples: - - | - #include <dt-bindings/pinctrl/mt8186-pinfunc.h> - #include <dt-bindings/interrupt-controller/arm-gic.h> - - pio: pinctrl@10005000 { - compatible = "mediatek,mt8186-pinctrl"; - reg = <0x10005000 0x1000>, - <0x10002000 0x0200>, - <0x10002200 0x0200>, - <0x10002400 0x0200>, - <0x10002600 0x0200>, - <0x10002A00 0x0200>, - <0x10002c00 0x0200>, - <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 0 185>; - interrupt-controller; - interrupts = <GIC_SPI 186 IRQ_TYPE_LEVEL_HIGH 0>; - #interrupt-cells = <2>; - - pio-pins { - pins { - pinmux = <PINMUX_GPIO0__FUNC_GPIO0>; - output-low; - }; - }; - - spi0-pins { - pins-spi { - pinmux = <PINMUX_GPIO0__FUNC_SPI0_CLK_B>, - <PINMUX_GPIO1__FUNC_SPI0_CSB_B>, - <PINMUX_GPIO2__FUNC_SPI0_MO_B>; - bias-disable; - }; - pins-spi-mi { - pinmux = <PINMUX_GPIO3__FUNC_SPI0_MI_B>; - bias-pull-down; - }; - }; - - i2c0-pins { - pins { - pinmux = <PINMUX_GPIO127__FUNC_SCL0>, - <PINMUX_GPIO128__FUNC_SDA0>; - bias-pull-up = <MTK_PULL_SET_RSEL_001>; - mediatek,drive-strength-adv = <7>; - }; - }; - }; |