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Diffstat (limited to 'dts/Bindings/pinctrl/mediatek,mt6797-pinctrl.yaml')
| -rw-r--r-- | dts/Bindings/pinctrl/mediatek,mt6797-pinctrl.yaml | 176 |
1 files changed, 0 insertions, 176 deletions
diff --git a/dts/Bindings/pinctrl/mediatek,mt6797-pinctrl.yaml b/dts/Bindings/pinctrl/mediatek,mt6797-pinctrl.yaml deleted file mode 100644 index d42215f59a..0000000000 --- a/dts/Bindings/pinctrl/mediatek,mt6797-pinctrl.yaml +++ /dev/null @@ -1,176 +0,0 @@ -# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) -%YAML 1.2 ---- -$id: http://devicetree.org/schemas/pinctrl/mediatek,mt6797-pinctrl.yaml# -$schema: http://devicetree.org/meta-schemas/core.yaml# - -title: Mediatek MT6797 Pin Controller Device Tree Bindings - -maintainers: - - Sean Wang <sean.wang@kernel.org> - -description: |+ - The MediaTek's MT6797 Pin controller is used to control SoC pins. - -properties: - compatible: - const: mediatek,mt6797-pinctrl - - reg: - minItems: 5 - maxItems: 5 - - reg-names: - items: - - const: gpio - - const: iocfgl - - const: iocfgb - - const: iocfgr - - const: iocfgt - - 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. - - interrupt-controller: true - - interrupts: - maxItems: 1 - - "#interrupt-cells": - const: 2 - -allOf: - - $ref: "pinctrl.yaml#" - -required: - - compatible - - reg - - reg-names - - gpio-controller - - "#gpio-cells" - -patternProperties: - '-[0-9]+$': - 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. - $ref: "/schemas/pinctrl/pincfg-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 <soc>-pinfunc.h directly. - - bias-disable: true - - bias-pull-up: true - - bias-pull-down: true - - input-enable: true - - input-disable: true - - output-enable: true - - output-low: true - - output-high: true - - input-schmitt-enable: true - - input-schmitt-disable: true - - drive-strength: - enum: [2, 4, 8, 12, 16] - - slew-rate: - enum: [0, 1] - - mediatek,pull-up-adv: - description: | - Pull up setings 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] - - mediatek,pull-down-adv: - description: | - Pull down 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] - - mediatek,tdsel: - 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: | - An integer describing the steps for input level shifter duty cycle - when asserted (high pulse width adjustment). Valid arguments are - from 0 to 63. - $ref: /schemas/types.yaml#/definitions/uint32 - - required: - - pinmux - -additionalProperties: false - -examples: - - | - #include <dt-bindings/interrupt-controller/irq.h> - #include <dt-bindings/interrupt-controller/arm-gic.h> - #include <dt-bindings/pinctrl/mt6797-pinfunc.h> - - soc { - #address-cells = <2>; - #size-cells = <2>; - - pio: pinctrl@10005000 { - compatible = "mediatek,mt6797-pinctrl"; - reg = <0 0x10005000 0 0x1000>, - <0 0x10002000 0 0x400>, - <0 0x10002400 0 0x400>, - <0 0x10002800 0 0x400>, - <0 0x10002C00 0 0x400>; - reg-names = "gpio", "iocfgl", "iocfgb", "iocfgr", "iocfgt"; - gpio-controller; - #gpio-cells = <2>; - - uart_pins_a: uart-0 { - pins1 { - pinmux = <MT6797_GPIO232__FUNC_URXD1>, - <MT6797_GPIO233__FUNC_UTXD1>; - }; - }; - }; - }; |