# SPDX-License-Identifier: GPL-2.0 %YAML 1.2 --- $id: http://devicetree.org/schemas/pinctrl/allwinner,sun4i-a10-pinctrl.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# title: Allwinner A10 Pin Controller Device Tree Bindings maintainers: - Chen-Yu Tsai <wens@csie.org> - Maxime Ripard <mripard@kernel.org> properties: "#gpio-cells": const: 3 description: GPIO consumers must use three arguments, first the number of the bank, then the pin number inside that bank, and finally the GPIO flags. "#interrupt-cells": const: 3 description: Interrupts consumers must use three arguments, first the number of the bank, then the pin number inside that bank, and finally the interrupts flags. compatible: enum: - allwinner,sun4i-a10-pinctrl - allwinner,sun5i-a10s-pinctrl - allwinner,sun5i-a13-pinctrl - allwinner,sun6i-a31-pinctrl - allwinner,sun6i-a31-r-pinctrl - allwinner,sun6i-a31s-pinctrl - allwinner,sun7i-a20-pinctrl - allwinner,sun8i-a23-pinctrl - allwinner,sun8i-a23-r-pinctrl - allwinner,sun8i-a33-pinctrl - allwinner,sun8i-a83t-pinctrl - allwinner,sun8i-a83t-r-pinctrl - allwinner,sun8i-h3-pinctrl - allwinner,sun8i-h3-r-pinctrl - allwinner,sun8i-r40-pinctrl - allwinner,sun8i-v3-pinctrl - allwinner,sun8i-v3s-pinctrl - allwinner,sun9i-a80-pinctrl - allwinner,sun9i-a80-r-pinctrl - allwinner,sun50i-a64-pinctrl - allwinner,sun50i-a64-r-pinctrl - allwinner,sun50i-h5-pinctrl - allwinner,sun50i-h6-pinctrl - allwinner,sun50i-h6-r-pinctrl - allwinner,suniv-f1c100s-pinctrl - nextthing,gr8-pinctrl reg: maxItems: 1 interrupts: minItems: 1 maxItems: 5 description: One interrupt per external interrupt bank supported on the controller, sorted by bank number ascending order. clocks: items: - description: Bus Clock - description: High Frequency Oscillator - description: Low Frequency Oscillator clock-names: items: - const: apb - const: hosc - const: losc resets: maxItems: 1 gpio-controller: true interrupt-controller: true gpio-line-names: true input-debounce: allOf: - $ref: /schemas/types.yaml#/definitions/uint32-array - minItems: 1 maxItems: 5 description: Debouncing periods in microseconds, one period per interrupt bank found in the controller patternProperties: # It's pretty scary, but the basic idea is that: # - One node name can start with either s- or r- for PRCM nodes, # - Then, the name itself can be any repetition of <string>- (to # accomodate with nodes like uart4-rts-cts-pins), where each # string can be either starting with 'p' but in a string longer # than 3, or something that doesn't start with 'p', # - Then, the bank name is optional and will be between pa and pg, # pl or pm. Some pins groups that have several options will have # the pin numbers then, # - Finally, the name will end with either -pin or pins. "^([rs]-)?(([a-z0-9]{3,}|[a-oq-z][a-z0-9]*?)?-)+?(p[a-ilm][0-9]*?-)??pins?$": type: object properties: pins: true function: true bias-disable: true bias-pull-up: true bias-pull-down: true drive-strength: allOf: - $ref: /schemas/types.yaml#/definitions/uint32 - enum: [ 10, 20, 30, 40 ] required: - pins - function additionalProperties: false "^vcc-p[a-hlm]-supply$": description: Power supplies for pin banks. required: - "#gpio-cells" - "#interrupt-cells" - compatible - reg - interrupts - clocks - clock-names - gpio-controller - interrupt-controller allOf: # FIXME: We should have the pin bank supplies here, but not a lot of # boards are defining it at the moment so it would generate a lot of # warnings. - if: properties: compatible: enum: - allwinner,sun9i-a80-pinctrl then: properties: interrupts: minItems: 5 maxItems: 5 else: if: properties: compatible: enum: - allwinner,sun6i-a31-pinctrl - allwinner,sun6i-a31s-pinctrl - allwinner,sun50i-h6-pinctrl then: properties: interrupts: minItems: 4 maxItems: 4 else: if: properties: compatible: enum: - allwinner,sun8i-a23-pinctrl - allwinner,sun8i-a83t-pinctrl - allwinner,sun50i-a64-pinctrl - allwinner,sun50i-h5-pinctrl - allwinner,suniv-f1c100s-pinctrl then: properties: interrupts: minItems: 3 maxItems: 3 else: if: properties: compatible: enum: - allwinner,sun6i-a31-r-pinctrl - allwinner,sun8i-a33-pinctrl - allwinner,sun8i-h3-pinctrl - allwinner,sun8i-v3-pinctrl - allwinner,sun8i-v3s-pinctrl - allwinner,sun9i-a80-r-pinctrl - allwinner,sun50i-h6-r-pinctrl then: properties: interrupts: minItems: 2 maxItems: 2 else: properties: interrupts: minItems: 1 maxItems: 1 additionalProperties: false examples: - | #include <dt-bindings/clock/sun5i-ccu.h> pio: pinctrl@1c20800 { compatible = "allwinner,sun5i-a13-pinctrl"; reg = <0x01c20800 0x400>; interrupts = <28>; clocks = <&ccu CLK_APB0_PIO>, <&osc24M>, <&osc32k>; clock-names = "apb", "hosc", "losc"; gpio-controller; interrupt-controller; #interrupt-cells = <3>; #gpio-cells = <3>; uart1_pe_pins: uart1-pe-pins { pins = "PE10", "PE11"; function = "uart1"; }; uart1_pg_pins: uart1-pg-pins { pins = "PG3", "PG4"; function = "uart1"; }; };