diff mbox series

[v2,1/5] arm64: dts: rockchip: set display regulators to always-on on BPI-R2-Pro

Message ID 20220606170803.478082-2-linux@fw-web.de (mailing list archive)
State New, archived
Headers show
Series Add hdmi Support for BPI-R2-Pro | expand

Commit Message

Frank Wunderlich June 6, 2022, 5:07 p.m. UTC 
From: Frank Wunderlich <frank-w@public-files.de>

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: Frank Wunderlich <frank-w@public-files.de>
---
v2: Add description why always-on is required
---
 arch/arm64/boot/dts/rockchip/rk3568-bpi-r2-pro.dts | 3 +++
 1 file changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/rockchip/rk3568-bpi-r2-pro.dts b/arch/arm64/boot/dts/rockchip/rk3568-bpi-r2-pro.dts
index 7e5b3947e28f..5bb49bc2630f 100644
--- a/arch/arm64/boot/dts/rockchip/rk3568-bpi-r2-pro.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3568-bpi-r2-pro.dts
@@ -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>;