From: Uwe Kleine-König Date: Mon, 10 May 2021 11:06:07 +0200 Subject: arm64: dts: rockchip: Add support for two PWM fans on helios64 Origin: https://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip.git/patch/?id=271b66414df0b172c936b3cfd1894b7939f84165 On the helios64 board the two connectors P6 and P7 are supposed to power two fans. Add the corresponding pwm-fan devices. Signed-off-by: Uwe Kleine-König Link: https://lore.kernel.org/r/20210510090607.970145-1-uwe@kleine-koenig.org Signed-off-by: Heiko Stuebner --- .../dts/rockchip/rk3399-kobol-helios64.dts | 24 +++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/rk3399-kobol-helios64.dts b/arch/arm64/boot/dts/rockchip/rk3399-kobol-helios64.dts index 19485b552bc4..9d4a0885fd12 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-kobol-helios64.dts +++ b/arch/arm64/boot/dts/rockchip/rk3399-kobol-helios64.dts @@ -40,6 +40,20 @@ clkin_gmac: external-gmac-clock { #clock-cells = <0>; }; + fan1 { + /* fan connected to P7 */ + compatible = "pwm-fan"; + pwms = <&pwm0 0 40000 0>; + cooling-levels = <0 80 170 255>; + }; + + fan2 { + /* fan connected to P6 */ + compatible = "pwm-fan"; + pwms = <&pwm1 0 40000 0>; + cooling-levels = <0 80 170 255>; + }; + leds { compatible = "gpio-leds"; pinctrl-names = "default"; @@ -352,6 +366,16 @@ &pmu_io_domains { status = "okay"; }; +&pwm0 { + /* pwm-fan on P7 */ + status = "okay"; +}; + +&pwm1 { + /* pwm-fan on P6 */ + status = "okay"; +}; + &sdhci { bus-width = <8>; mmc-hs200-1_8v; -- 2.30.2