Add PWM-beeper that uses Mule PWM-over-I2C controller on i2c-mux (0x18). Signed-off-by: Farouk Bouabid <farouk.bouabid@xxxxxxxxx> --- arch/arm64/boot/dts/rockchip/rk3399-puma-haikou.dts | 5 +++++ arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi | 13 +++++++++++++ 2 files changed, 18 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/rk3399-puma-haikou.dts b/arch/arm64/boot/dts/rockchip/rk3399-puma-haikou.dts index f6f15946579e..3d57c606707b 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-puma-haikou.dts +++ b/arch/arm64/boot/dts/rockchip/rk3399-puma-haikou.dts @@ -15,6 +15,11 @@ aliases { mmc1 = &sdmmc; }; + beeper { + compatible = "pwm-beeper"; + pwms = <&mule_pwm 0 250000>; + }; + chosen { stdout-path = "serial0:115200n8"; }; diff --git a/arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi index 69b57cde7d78..e3d2d27d4ca3 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi @@ -11,6 +11,7 @@ / { aliases { ethernet0 = &gmac; i2c10 = &i2c10; + i2c11 = &i2c11; mmc0 = &sdhci; }; @@ -395,6 +396,18 @@ fan: fan@18 { #cooling-cells = <2>; }; }; + + i2c11: i2c@1 { + reg = <0x1>; + #address-cells = <1>; + #size-cells = <0>; + + mule_pwm: pwm@18 { + compatible = "tsd,pwm-mule"; + reg = <0x18>; + #pwm-cells = <2>; + }; + }; }; rtc_twi: rtc@6f { -- 2.34.1