2021-12-05 21:02:01

by Adam Ford

Subject: [PATCH] arm64: dts: fsl: imx8mq-evk: link regulator to VPU domain

The SW1C regulator powers the VPU and the state isn't guaranteed
to always be on. Link the VPU power-domain to the regulator to
ensure it is turned on before using the power domain.

Signed-off-by: Adam Ford <[email protected]>

diff --git a/arch/arm64/boot/dts/freescale/imx8mq-evk.dts b/arch/arm64/boot/dts/freescale/imx8mq-evk.dts
index b83df77195ec..6778306aff3b 100644
--- a/arch/arm64/boot/dts/freescale/imx8mq-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mq-evk.dts
@@ -326,6 +326,10 @@ &pgc_gpu {
power-supply = <&sw1a_reg>;
};

+&pgc_vpu {
+ power-supply = <&sw1c_reg>;
+};
+
&qspi0 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_qspi>;
--
2.32.0

2021-12-14 08:11:50

by Shawn Guo

Subject: Re: [PATCH] arm64: dts: fsl: imx8mq-evk: link regulator to VPU domain

On Sun, Dec 05, 2021 at 03:01:43PM -0600, Adam Ford wrote:
> The SW1C regulator powers the VPU and the state isn't guaranteed
> to always be on. Link the VPU power-domain to the regulator to
> ensure it is turned on before using the power domain.
>
> Signed-off-by: Adam Ford <[email protected]>

Applied, thanks!