Commit 2cda3801 authored by Frank Wunderlich's avatar Frank Wunderlich Committed by Heiko Stuebner
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arm64: dts: rockchip: set display regulators to always-on on BPI-R2-Pro 



The gpu power supply needs to stay always on until the issues with power-
domains not being regulator aware is resolved. Otherwise we run into
issues where the gpu-regulator gets shut down and we start getting mmu
faults.

Signed-off-by: default avatarFrank Wunderlich <frank-w@public-files.de>
Link: https://lore.kernel.org/r/20220606170803.478082-2-linux@fw-web.de


Signed-off-by: default avatarHeiko Stuebner <heiko@sntech.de>
parent efaa0c13

arch/arm64/boot/dts/rockchip/rk3568-bpi-r2-pro.dts

+3 −0
Original line number Diff line number Diff line
@@ -215,6 +215,7 @@ regulator-state-mem { 


			vdd_gpu: DCDC_REG2 {

				regulator-name = "vdd_gpu";

				regulator-always-on;

				regulator-init-microvolt = <900000>;

				regulator-initial-mode = <0x2>;

				regulator-min-microvolt = <500000>;
@@ -264,6 +265,7 @@ regulator-state-mem { 


			vdda0v9_image: LDO_REG1 {

				regulator-name = "vdda0v9_image";

				regulator-always-on;

				regulator-min-microvolt = <900000>;

				regulator-max-microvolt = <900000>;
@@ -359,6 +361,7 @@ regulator-state-mem { 


			vcca1v8_image: LDO_REG9 {

				regulator-name = "vcca1v8_image";

				regulator-always-on;

				regulator-min-microvolt = <1800000>;

				regulator-max-microvolt = <1800000>;