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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /Documentation/devicetree/bindings/pwm/allwinner,sun4i-a10-pwm.yaml | |
parent | Initial commit. (diff) | |
download | linux-upstream/5.10.209.tar.xz linux-upstream/5.10.209.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | Documentation/devicetree/bindings/pwm/allwinner,sun4i-a10-pwm.yaml | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/pwm/allwinner,sun4i-a10-pwm.yaml b/Documentation/devicetree/bindings/pwm/allwinner,sun4i-a10-pwm.yaml new file mode 100644 index 000000000..7dcab2bf8 --- /dev/null +++ b/Documentation/devicetree/bindings/pwm/allwinner,sun4i-a10-pwm.yaml @@ -0,0 +1,108 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pwm/allwinner,sun4i-a10-pwm.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Allwinner A10 PWM Device Tree Bindings + +maintainers: + - Chen-Yu Tsai <wens@csie.org> + - Maxime Ripard <mripard@kernel.org> + +properties: + "#pwm-cells": + const: 3 + + compatible: + oneOf: + - const: allwinner,sun4i-a10-pwm + - const: allwinner,sun5i-a10s-pwm + - const: allwinner,sun5i-a13-pwm + - const: allwinner,sun7i-a20-pwm + - const: allwinner,sun8i-h3-pwm + - items: + - const: allwinner,sun8i-a83t-pwm + - const: allwinner,sun8i-h3-pwm + - items: + - const: allwinner,sun50i-a64-pwm + - const: allwinner,sun5i-a13-pwm + - items: + - const: allwinner,sun50i-h5-pwm + - const: allwinner,sun5i-a13-pwm + - const: allwinner,sun50i-h6-pwm + + reg: + maxItems: 1 + + clocks: + minItems: 1 + maxItems: 2 + items: + - description: Module Clock + - description: Bus Clock + + # Even though it only applies to subschemas under the conditionals, + # not listing them here will trigger a warning because of the + # additionalsProperties set to false. + clock-names: true + + resets: + maxItems: 1 + +if: + properties: + compatible: + contains: + const: allwinner,sun50i-h6-pwm + +then: + properties: + clocks: + maxItems: 2 + + clock-names: + items: + - const: mod + - const: bus + + required: + - clock-names + - resets + +else: + properties: + clocks: + maxItems: 1 + +required: + - "#pwm-cells" + - compatible + - reg + - clocks + +additionalProperties: false + +examples: + - | + pwm: pwm@1c20e00 { + compatible = "allwinner,sun7i-a20-pwm"; + reg = <0x01c20e00 0xc>; + clocks = <&osc24M>; + #pwm-cells = <3>; + }; + + - | + #include <dt-bindings/clock/sun50i-h6-ccu.h> + #include <dt-bindings/reset/sun50i-h6-ccu.h> + + pwm@300a000 { + compatible = "allwinner,sun50i-h6-pwm"; + reg = <0x0300a000 0x400>; + clocks = <&osc24M>, <&ccu CLK_BUS_PWM>; + clock-names = "mod", "bus"; + resets = <&ccu RST_BUS_PWM>; + #pwm-cells = <3>; + }; + +... |