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Diffstat (limited to 'dts/Bindings/pinctrl/pinctrl-mt8192.yaml')
-rw-r--r-- | dts/Bindings/pinctrl/pinctrl-mt8192.yaml | 199 |
1 files changed, 0 insertions, 199 deletions
diff --git a/dts/Bindings/pinctrl/pinctrl-mt8192.yaml b/dts/Bindings/pinctrl/pinctrl-mt8192.yaml deleted file mode 100644 index c90a132fbc..0000000000 --- a/dts/Bindings/pinctrl/pinctrl-mt8192.yaml +++ /dev/null @@ -1,199 +0,0 @@ -# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) -%YAML 1.2 ---- -$id: http://devicetree.org/schemas/pinctrl/pinctrl-mt8192.yaml# -$schema: http://devicetree.org/meta-schemas/core.yaml# - -title: Mediatek MT8192 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,mt8192-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: - description: gpio valid number range. - maxItems: 1 - - gpio-line-names: true - - reg: - description: | - Physical address base for gpio base registers. There are 11 GPIO - physical address base in mt8192. - maxItems: 11 - - reg-names: - description: | - Gpio base register names. - maxItems: 11 - - interrupt-controller: true - - '#interrupt-cells': - const: 2 - - interrupts: - description: The interrupt outputs to sysirq. - maxItems: 1 - -#PIN CONFIGURATION NODES -patternProperties: - '-pins$': - type: object - additionalProperties: false - 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. - $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: - 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] - - 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 - - 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 - -allOf: - - $ref: "pinctrl.yaml#" - -required: - - compatible - - reg - - interrupts - - interrupt-controller - - '#interrupt-cells' - - gpio-controller - - '#gpio-cells' - - gpio-ranges - -additionalProperties: false - -examples: - - | - #include <dt-bindings/pinctrl/mt8192-pinfunc.h> - #include <dt-bindings/interrupt-controller/arm-gic.h> - pio: pinctrl@10005000 { - compatible = "mediatek,mt8192-pinctrl"; - reg = <0x10005000 0x1000>, - <0x11c20000 0x1000>, - <0x11d10000 0x1000>, - <0x11d30000 0x1000>, - <0x11d40000 0x1000>, - <0x11e20000 0x1000>, - <0x11e70000 0x1000>, - <0x11ea0000 0x1000>, - <0x11f20000 0x1000>, - <0x11f30000 0x1000>, - <0x1000b000 0x1000>; - reg-names = "iocfg0", "iocfg_rm", "iocfg_bm", - "iocfg_bl", "iocfg_br", "iocfg_lm", - "iocfg_lb", "iocfg_rt", "iocfg_lt", - "iocfg_tl", "eint"; - gpio-controller; - #gpio-cells = <2>; - gpio-ranges = <&pio 0 0 220>; - interrupt-controller; - interrupts = <GIC_SPI 212 IRQ_TYPE_LEVEL_HIGH 0>; - #interrupt-cells = <2>; - - 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; - }; - }; - }; |