[v6,07/12] arm64: dts: mediatek: set vmc regulator as always on

Message ID 20230203-evk-board-support-v6-7-8d6b1cfe7f29@baylibre.com
State New
Headers
Series Improve the MT8365 SoC and EVK board support |

Commit Message

Alexandre Mergnat April 26, 2023, 10:49 a.m. UTC
  From: Fabien Parent <fparent@baylibre.com>

On downstream, we observe that the MSDC IP (used by the emmc, the micro
SD card and the WiFi) isn't working properly if the VMC regulator is
shutdown.

Make sure it is always on.

Signed-off-by: Fabien Parent <fparent@baylibre.com>
Tested-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Alexandre Mergnat <amergnat@baylibre.com>
---
 arch/arm64/boot/dts/mediatek/mt8365-evk.dts | 5 +++++
 1 file changed, 5 insertions(+)
  

Patch

diff --git a/arch/arm64/boot/dts/mediatek/mt8365-evk.dts b/arch/arm64/boot/dts/mediatek/mt8365-evk.dts
index cd920d09c3fe..ceed6cb8152b 100644
--- a/arch/arm64/boot/dts/mediatek/mt8365-evk.dts
+++ b/arch/arm64/boot/dts/mediatek/mt8365-evk.dts
@@ -137,6 +137,11 @@  &mt6357_pmic {
 	#interrupt-cells = <2>;
 };
 
+/* Needed by MSDC IP */
+&mt6357_vmc_reg {
+	regulator-always-on;
+};
+
 &pio {
 	gpio_keys: gpio-keys-pins {
 		pins {