From f36bb17653e4b9e26bbdb1224027d20614e77636 Mon Sep 17 00:00:00 2001 From: Cristian Ciocaltea Date: Tue, 4 Apr 2023 20:38:07 +0300 Subject: [PATCH] arm64: dts: rockchip: Add pwm-fan to rk3588-rock-5b Add the necessary DT changes for the Rock 5B board to enable support for the PWM controlled heat sink fan. Signed-off-by: Cristian Ciocaltea Reviewed-by: Christopher Obbard Link: https://lore.kernel.org/r/20230404173807.490520-3-cristian.ciocaltea@collabora.com Signed-off-by: Heiko Stuebner --- arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts index e63138e..24fb534 100644 --- a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts +++ b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts @@ -17,6 +17,14 @@ stdout-path = "serial2:1500000n8"; }; + fan: pwm-fan { + compatible = "pwm-fan"; + cooling-levels = <0 95 145 195 255>; + fan-supply = <&vcc5v0_sys>; + pwms = <&pwm1 0 50000 0>; + #cooling-cells = <2>; + }; + vcc5v0_sys: vcc5v0-sys-regulator { compatible = "regulator-fixed"; regulator-name = "vcc5v0_sys"; @@ -52,6 +60,10 @@ }; }; +&pwm1 { + status = "okay"; +}; + &sdhci { bus-width = <8>; no-sdio; -- 2.7.4