linux-kernel - [PATCH v4 4/8] ARM: dts: microchip: sama5d27_wlsom1: Add power-supply property for sdmmc1 node

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Message-ID: <20240213145542.23207-5-mihai.sain@microchip.com>
Date: Tue, 13 Feb 2024 16:55:38 +0200
From: Mihai Sain <mihai.sain@...rochip.com>
To: <claudiu.beznea@...on.dev>, <robh+dt@...nel.org>,
	<krzysztof.kozlowski+dt@...aro.org>, <conor+dt@...nel.org>,
	<nicolas.ferre@...rochip.com>, <alexandre.belloni@...tlin.com>,
	<devicetree@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>
CC: <cristian.birsan@...rochip.com>, Mihai Sain <mihai.sain@...rochip.com>
Subject: [PATCH v4 4/8] ARM: dts: microchip: sama5d27_wlsom1: Add power-supply property for sdmmc1 node

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 sdmmc1 node.

Signed-off-by: Mihai Sain <mihai.sain@...rochip.com>
---
 arch/arm/boot/dts/microchip/at91-sama5d27_wlsom1.dtsi | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm/boot/dts/microchip/at91-sama5d27_wlsom1.dtsi b/arch/arm/boot/dts/microchip/at91-sama5d27_wlsom1.dtsi
index 4617805c7748..96819ea24cbd 100644
--- a/arch/arm/boot/dts/microchip/at91-sama5d27_wlsom1.dtsi
+++ b/arch/arm/boot/dts/microchip/at91-sama5d27_wlsom1.dtsi
@@ -368,6 +368,8 @@ &sdmmc1 {
 	no-1-8-v;
 	non-removable;
 	bus-width = <4>;
+	vmmc-supply = <&vdd_3v3>;
+	vqmmc-supply = <&vdd_3v3>;
 	status = "okay";
 
 	wilc: wifi@0 {
-- 
2.43.0