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author | Sasha Finkelstein <fnkl.kernel@gmail.com> | 2023-04-03 17:19:19 +0300 |
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committer | Thierry Reding <thierry.reding@gmail.com> | 2023-04-06 17:31:36 +0300 |
commit | 87a3a3929c710b863c3a288f6b094edc97662858 (patch) | |
tree | df8a23372dcaa41abcca8ff02dbd00f40d1e1112 /Documentation/devicetree/bindings/pwm/apple,s5l-fpwm.yaml | |
parent | b16c310115f2084b8826a35b77ef42bab6786d9f (diff) | |
download | linux-87a3a3929c710b863c3a288f6b094edc97662858.tar.xz |
dt-bindings: pwm: Add Apple PWM controller
Apple SoCs such as the M1 contain a PWM controller used
among other things to control the keyboard backlight.
Signed-off-by: Sasha Finkelstein <fnkl.kernel@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Sven Peter <sven@svenpeter.dev>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Diffstat (limited to 'Documentation/devicetree/bindings/pwm/apple,s5l-fpwm.yaml')
-rw-r--r-- | Documentation/devicetree/bindings/pwm/apple,s5l-fpwm.yaml | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/pwm/apple,s5l-fpwm.yaml b/Documentation/devicetree/bindings/pwm/apple,s5l-fpwm.yaml new file mode 100644 index 000000000000..142157bff0cd --- /dev/null +++ b/Documentation/devicetree/bindings/pwm/apple,s5l-fpwm.yaml @@ -0,0 +1,51 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pwm/apple,s5l-fpwm.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Apple FPWM controller + +maintainers: + - asahi@lists.linux.dev + - Sasha Finkelstein <fnkl.kernel@gmail.com> + +description: PWM controller used for keyboard backlight on ARM Macs + +properties: + compatible: + items: + - enum: + - apple,t8103-fpwm + - apple,t6000-fpwm + - apple,t8112-fpwm + - const: apple,s5l-fpwm + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + power-domains: + maxItems: 1 + + "#pwm-cells": + const: 2 + +required: + - compatible + - reg + - clocks + +additionalProperties: false + +examples: + - | + pwm@235044000 { + compatible = "apple,t8103-fpwm", "apple,s5l-fpwm"; + reg = <0x35044000 0x4000>; + power-domains = <&ps_fpwm1>; + clocks = <&clkref>; + #pwm-cells = <2>; + }; |