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author | Xinlei Lee <xinlei.lee@mediatek.com> | 2022-04-18 15:20:52 +0300 |
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committer | Thierry Reding <thierry.reding@gmail.com> | 2022-04-22 19:53:35 +0300 |
commit | b09b179bac0aa3d58d79729260a7492df8a1e312 (patch) | |
tree | 8aeb923870894e9ccc907d89c9db2848e869a44f /Documentation/devicetree/bindings/pwm | |
parent | 4225cd01d30f66b6f35e8f54ba6929db11a9a7af (diff) | |
download | linux-b09b179bac0aa3d58d79729260a7492df8a1e312.tar.xz |
dt-bindings: pwm: Convert pwm-mtk-disp.txt to mediatek,pwm-disp.yaml format
Convert pwm-mtk-disp.txt to mediatek,pwm-disp.yaml format as suggested
by maintainer.
Signed-off-by: Xinlei Lee <xinlei.lee@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Miles Chen <miles.chen@mediatek.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Diffstat (limited to 'Documentation/devicetree/bindings/pwm')
-rw-r--r-- | Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml | 66 | ||||
-rw-r--r-- | Documentation/devicetree/bindings/pwm/pwm-mtk-disp.txt | 45 |
2 files changed, 66 insertions, 45 deletions
diff --git a/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml b/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml new file mode 100644 index 000000000000..36f877f819fa --- /dev/null +++ b/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml @@ -0,0 +1,66 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pwm/mediatek,pwm-disp.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MediaTek DISP_PWM Controller Device Tree Bindings + +maintainers: + - Jitao Shi <jitao.shi@mediatek.com> + - Xinlei Lee <xinlei.lee@mediatek.com> + +allOf: + - $ref: pwm.yaml# + +properties: + compatible: + oneOf: + - enum: + - mediatek,mt2701-disp-pwm + - mediatek,mt6595-disp-pwm + - mediatek,mt8173-disp-pwm + - mediatek,mt8183-disp-pwm + - items: + - const: mediatek,mt8167-disp-pwm + - const: mediatek,mt8173-disp-pwm + + reg: + maxItems: 1 + + "#pwm-cells": + const: 2 + + clocks: + items: + - description: Main Clock + - description: Mm Clock + + clock-names: + items: + - const: main + - const: mm + +required: + - compatible + - reg + - "#pwm-cells" + - clocks + - clock-names + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/clock/mt8173-clk.h> + #include <dt-bindings/interrupt-controller/irq.h> + + pwm0: pwm@1401e000 { + compatible = "mediatek,mt8173-disp-pwm"; + reg = <0x1401e000 0x1000>; + #pwm-cells = <2>; + clocks = <&mmsys CLK_MM_DISP_PWM026M>, + <&mmsys CLK_MM_DISP_PWM0MM>; + clock-names = "main", "mm"; + }; diff --git a/Documentation/devicetree/bindings/pwm/pwm-mtk-disp.txt b/Documentation/devicetree/bindings/pwm/pwm-mtk-disp.txt deleted file mode 100644 index 691e58b6c223..000000000000 --- a/Documentation/devicetree/bindings/pwm/pwm-mtk-disp.txt +++ /dev/null @@ -1,45 +0,0 @@ -MediaTek display PWM controller - -Required properties: - - compatible: should be "mediatek,<name>-disp-pwm": - - "mediatek,mt2701-disp-pwm": found on mt2701 SoC. - - "mediatek,mt6595-disp-pwm": found on mt6595 SoC. - - "mediatek,mt8167-disp-pwm", "mediatek,mt8173-disp-pwm": found on mt8167 SoC. - - "mediatek,mt8173-disp-pwm": found on mt8173 SoC. - - "mediatek,mt8183-disp-pwm": found on mt8183 SoC.$ - - reg: physical base address and length of the controller's registers. - - #pwm-cells: must be 2. See pwm.yaml in this directory for a description of - the cell format. - - clocks: phandle and clock specifier of the PWM reference clock. - - clock-names: must contain the following: - - "main": clock used to generate PWM signals. - - "mm": sync signals from the modules of mmsys. - - pinctrl-names: Must contain a "default" entry. - - pinctrl-0: One property must exist for each entry in pinctrl-names. - See pinctrl/pinctrl-bindings.txt for details of the property values. - -Example: - pwm0: pwm@1401e000 { - compatible = "mediatek,mt8173-disp-pwm", - "mediatek,mt6595-disp-pwm"; - reg = <0 0x1401e000 0 0x1000>; - #pwm-cells = <2>; - clocks = <&mmsys CLK_MM_DISP_PWM026M>, - <&mmsys CLK_MM_DISP_PWM0MM>; - clock-names = "main", "mm"; - pinctrl-names = "default"; - pinctrl-0 = <&disp_pwm0_pins>; - }; - - backlight_lcd: backlight_lcd { - compatible = "pwm-backlight"; - pwms = <&pwm0 0 1000000>; - brightness-levels = < - 0 16 32 48 64 80 96 112 - 128 144 160 176 192 208 224 240 - 255 - >; - default-brightness-level = <9>; - power-supply = <&mt6397_vio18_reg>; - enable-gpios = <&pio 95 GPIO_ACTIVE_HIGH>; - }; |