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arm64: dts: mediatek: mt8188: Add PWM nodes for display backlight

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Add two hardware PWM nodes for display backlight usage on MT8188 SoC,
and mark them as disabled by default.
Boards can enable the necessary PWM node as needed.

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Fei Shao <fshao@chromium.org>
Link: https://lore.kernel.org/r/20240911143429.850071-6-fshao@chromium.org
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
This commit is contained in:
Fei Shao
2024-09-11 22:33:58 +08:00
committed by AngeloGioacchino Del Regno
parent 43fc1bd08e
commit 41eb8f7ad2
1 changed files with 22 additions and 0 deletions
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22
arch/arm64/boot/dts/mediatek/mt8188.dtsi
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@@ -1421,6 +1421,28 @@ lvts_ap: thermal-sensor@1100b000 {
#thermal-sensor-cells = <1>;
};
disp_pwm0: pwm@1100e000 {
compatible = "mediatek,mt8188-disp-pwm", "mediatek,mt8183-disp-pwm";
reg = <0 0x1100e000 0 0x1000>;
clocks = <&topckgen CLK_TOP_DISP_PWM0>,
<&infracfg_ao CLK_INFRA_AO_DISP_PWM>;
clock-names = "main", "mm";
interrupts = <GIC_SPI 203 IRQ_TYPE_LEVEL_HIGH 0>;
#pwm-cells = <2>;
status = "disabled";
};
disp_pwm1: pwm@1100f000 {
compatible = "mediatek,mt8188-disp-pwm", "mediatek,mt8183-disp-pwm";
reg = <0 0x1100f000 0 0x1000>;
clocks = <&topckgen CLK_TOP_DISP_PWM1>,
<&infracfg_ao CLK_INFRA_AO_DISP_PWM1>;
clock-names = "main", "mm";
interrupts = <GIC_SPI 793 IRQ_TYPE_LEVEL_HIGH 0>;
#pwm-cells = <2>;
status = "disabled";
};
spi1: spi@11010000 {
compatible = "mediatek,mt8188-spi-ipm", "mediatek,spi-ipm";
#address-cells = <1>;