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android/Documentation/devicetree/bindings/pwm/pwm-mediatek.txt
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threeeye bc1d038eac REVVL 6 Pro kernel bring-up: full working tree snapshot (2026-09-12)
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xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2 branch, upstream
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clean against a modern (GCC 15.2.0) toolchain -- see the previous commit
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lives in the local DL380 checkout and the upstream GitHub remote).

Upstream: https://github.com/xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2)
2026-09-12 13:36:46 +00:00

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MediaTek PWM controller
Required properties:
- compatible: should be "mediatek,<name>-pwm":
- "mediatek,mt2712-pwm": found on mt2712 SoC.
- "mediatek,mt7622-pwm": found on mt7622 SoC.
- "mediatek,mt7623-pwm": found on mt7623 SoC.
- reg: physical base address and length of the controller's registers.
- #pwm-cells: must be 2. See pwm.txt 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:
- "top": the top clock generator
- "main": clock used by the PWM core
- "pwm1-8": the eight per PWM clocks for mt2712
- "pwm1-6": the six per PWM clocks for mt7622
- "pwm1-5": the five per PWM clocks for mt7623
- 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@11006000 {
compatible = "mediatek,mt7623-pwm";
reg = <0 0x11006000 0 0x1000>;
#pwm-cells = <2>;
clocks = <&topckgen CLK_TOP_PWM_SEL>,
<&pericfg CLK_PERI_PWM>,
<&pericfg CLK_PERI_PWM1>,
<&pericfg CLK_PERI_PWM2>,
<&pericfg CLK_PERI_PWM3>,
<&pericfg CLK_PERI_PWM4>,
<&pericfg CLK_PERI_PWM5>;
clock-names = "top", "main", "pwm1", "pwm2",
"pwm3", "pwm4", "pwm5";
pinctrl-names = "default";
pinctrl-0 = <&pwm0_pins>;
};