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ARM: dts: at91: sama5d2 Xplained: Describe the SD card power supply

PATCH New Romain Izard 3 participants 3 messages Sep 5, 2017 – Sep 25, 2017

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Device tree bindings Arm/Microchip (AT91) SoC support
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Romain Izard

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PATCH 1/1 ARM: dts: at91: sama5d2 Xplained: Describe the SD card power supply

As the SAMA5D2 SDHCI controller works with an external power supply, describe the power supply for the SD card slot. This makes it possible to use mmc power sequences, in the case of external SDIO modules.

Signed-off-by Romain Izard <[email protected]>
---
 arch/arm/boot/dts/at91-sama5d2_xplained.dts | 2 ++
 1 file changed, 2 insertions(+)
arch/arm/boot/dts/at91-sama5d2_xplained.dts +2 -0
index 2e2c3d1a1fa2..e0b0292ef132 100644
@@ -103,6 +103,8 @@
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_sdmmc1_default>;
 			status = "okay"; /* conflict with qspi0 */
+			vqmmc-supply = <&vdd_3v3_reg>;
+			vmmc-supply = <&vdd_3v3_reg>;
 		};
 
 		apb {
Signature · 1 line
2.11.0
#1 lore raw

PATCH 1/1 ARM: dts: at91: sama5d2 Xplained: Describe the SD card power supply

Quoted 5 lines · Romain Izard

As the SAMA5D2 SDHCI controller works with an external power supply, describe the power supply for the SD card slot. This makes it possible to use mmc power sequences, in the case of external SDIO modules.

Signed-off-by Romain Izard <[email protected]>
Acked-by Ludovic Desroches <[email protected]>
Quoted 25 lines
---
 arch/arm/boot/dts/at91-sama5d2_xplained.dts | 2 ++
 1 file changed, 2 insertions(+)
arch/arm/boot/dts/at91-sama5d2_xplained.dts +2 -0
index 2e2c3d1a1fa2..e0b0292ef132 100644
@@ -103,6 +103,8 @@
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_sdmmc1_default>;
 			status = "okay"; /* conflict with qspi0 */
+			vqmmc-supply = <&vdd_3v3_reg>;
+			vmmc-supply = <&vdd_3v3_reg>;
 		};
 
 		apb {
Signature · 7 lines
2.11.0


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Applied
#2 lore raw

PATCH 1/1 ARM: dts: at91: sama5d2 Xplained: Describe the SD card power supply

In reply to Romain Izard
Quoted 9 lines · Romain Izard

As the SAMA5D2 SDHCI controller works with an external power supply, describe the power supply for the SD card slot. This makes it possible to use mmc power sequences, in the case of external SDIO modules.

Signed-off-by Romain Izard <[email protected]>
---
 arch/arm/boot/dts/at91-sama5d2_xplained.dts | 2 ++
 1 file changed, 2 insertions(+)

Applied, thanks.

Signature · 3 lines
Alexandre Belloni, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com