devicetree.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
* [PATCH] arm64: dts: rockchip: helios64: Add support for two PWM fans
@ 2021-05-10  9:06 Uwe Kleine-König
  2021-05-14 12:20 ` Heiko Stuebner
  0 siblings, 1 reply; 3+ messages in thread
From: Uwe Kleine-König @ 2021-05-10  9:06 UTC (permalink / raw)
  To: Heiko Stuebner; +Cc: Rob Herring, devicetree, linux-rockchip, Aditya Prayoga

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 <uwe@kleine-koenig.org>
---
 .../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 39a1d276bd05..1dd9535520b2 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-kobol-helios64.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-kobol-helios64.dts
@@ -58,6 +58,20 @@ led-1 {
 		};
 	};
 
+	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>;
+	};
+
 	vcc1v8_sys_s0: vcc1v8-sys-s0 {
 		compatible = "regulator-fixed";
 		regulator-name = "vcc1v8_sys_s0";
@@ -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


^ permalink raw reply related	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2021-05-16 19:39 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-05-10  9:06 [PATCH] arm64: dts: rockchip: helios64: Add support for two PWM fans Uwe Kleine-König
2021-05-14 12:20 ` Heiko Stuebner
2021-05-16 19:39   ` Uwe Kleine-König

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).