diff mbox series

[v4,7/8] ARM: dts: microchip: sama5d2_icp: Add power-supply property for sdmmc0 node

Message ID 20240213145542.23207-8-mihai.sain@microchip.com (mailing list archive)
State New, archived
Headers show
Series Add power-supply properties for sdmmc nodes on Microchip boards | expand

Commit Message

Mihai Sain Feb. 13, 2024, 2:55 p.m. UTC 
In order to avoid the issues from the tuning procedure required by
the UHS cards, keep the vqmmc at 3V3 to use the sd high-speed mode.
Add vmmc-supply and vqmmc-supply properties to sdmmc0 node.

Signed-off-by: Mihai Sain <mihai.sain@microchip.com>
---
 arch/arm/boot/dts/microchip/at91-sama5d2_icp.dts | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

diff --git a/arch/arm/boot/dts/microchip/at91-sama5d2_icp.dts b/arch/arm/boot/dts/microchip/at91-sama5d2_icp.dts
index 999adeca6f33..adcb3240e5f5 100644
--- a/arch/arm/boot/dts/microchip/at91-sama5d2_icp.dts
+++ b/arch/arm/boot/dts/microchip/at91-sama5d2_icp.dts
@@ -712,6 +712,8 @@  &sdmmc0 {
 	bus-width = <4>;
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_sdmmc0_default>;
+	vmmc-supply = <&vdd_io_reg>;	// 3.3V
+	vqmmc-supply = <&vdd_io_reg>;	// 3.3V
 	status = "okay";
 };