arm64: dts: rockchip: Fix vdd_log on rk3399-roc-pc
diff mbox series

Message ID d786ef47-eda8-3994-2ef2-fc4a584bcdcc@fivetechno.de
State New
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Series
  • arm64: dts: rockchip: Fix vdd_log on rk3399-roc-pc
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Commit Message

Markus Reichl Nov. 12, 2019, 11:42 a.m. UTC
On rk3399 vdd_log shall not exceed 1.0 V. On rk3399-roc-pc
vdd_log is presently 1118 mV. Fix by setting the min voltage
of the respective pwm-regulator down to 450 mV.
This results in a vdd_log of 953 mV.
Specify the supply to silence warning.

Signed-off-by: Markus Reichl <m.reichl@fivetechno.de>
---
 arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Comments

Heiko Stuebner Nov. 18, 2019, 1:03 a.m. UTC | #1
Am Dienstag, 12. November 2019, 12:42:09 CET schrieb Markus Reichl:
> On rk3399 vdd_log shall not exceed 1.0 V. On rk3399-roc-pc
> vdd_log is presently 1118 mV. Fix by setting the min voltage
> of the respective pwm-regulator down to 450 mV.
> This results in a vdd_log of 953 mV.
> Specify the supply to silence warning.
> 
> Signed-off-by: Markus Reichl <m.reichl@fivetechno.de>

applied for 5.6 (or maybe still 5.5)

Thanks
Heiko

Patch
diff mbox series

diff --git a/arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi
index a31099f7620b..4dac88ef7e72 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi
@@ -211,9 +211,9 @@ 
 		regulator-name = "vdd_log";
 		regulator-always-on;
 		regulator-boot-on;
-		regulator-min-microvolt = <800000>;
+		regulator-min-microvolt = <450000>;
 		regulator-max-microvolt = <1400000>;
-		vin-supply = <&vcc3v3_sys>;
+		pwm-supply = <&vcc3v3_sys>;
 	};
 };