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arm64: dts: rockchip: Re-add regulator-boot-on, regulator-always-on for vdd_gpu on rk3399-roc-pc

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This might be a limitation of either the current panfrost driver
devfreq implementation or how the gpu is implemented in RK3399 SoC.
The gpu regulator must never get disabled or the registers get
(randomly?) inaccessable by the driver. (see all other RK3399 boards)

Fixes: ec7d731d81 ("arm64: dts: rockchip: Add node for gpu on rk3399-roc-pc")
Signed-off-by: Alex Bee <knaerzche@gmail.com>
Link: https://lore.kernel.org/r/20210619121446.7802-1-knaerzche@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
This commit is contained in:
Alex Bee
2021-06-19 14:14:46 +02:00
committed by Heiko Stuebner
parent e1d635bc94
commit 06b2818678
1 changed files with 2 additions and 0 deletions
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2
arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi
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@@ -500,6 +500,8 @@ vdd_gpu: regulator@41 {
regulator-min-microvolt = <712500>;
regulator-max-microvolt = <1500000>;
regulator-ramp-delay = <1000>;
regulator-always-on;
regulator-boot-on;
vin-supply = <&vcc3v3_sys>;
regulator-state-mem {