[PATCH] arm64: dts: marvell: armada-3720-espressobin: Add vqmmc regulator for SD slot

[Sean Nyekjaer]

By adding this regulator, the SD cards are usable at higher speed
protocols such as SDR104.

This patch was tested with an SDHC card compatible with UHS-I.

Signed-off-by: Sean Nyekjaer <sean at nyekjaer.dk>
---

This patch depends on "[PATCH] arm64: dts: marvell: Add microsd card definition for the ESPRESSObin"

 arch/arm64/boot/dts/marvell/armada-3720-espressobin.dts | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dts b/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dts
index 2dadd77e08eb..d5ab5b47f8d4 100644
--- a/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dts
+++ b/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dts
@@ -60,6 +60,19 @@
 		device_type = "memory";
 		reg = <0x00000000 0x00000000 0x00000000 0x20000000>;
 	};
+
+	vcc_sd_reg1: regulator {
+		compatible = "regulator-gpio";
+		regulator-name= "vcc_sd1";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <3300000>;
+
+		gpios = <&gpionb 4 GPIO_ACTIVE_HIGH>;
+		gpios-states = <0>;
+		states = <1800000 0x1
+			  3300000 0x0>;
+		enable-active-high;
+	};
 };
 
 /* J9 */
@@ -82,7 +95,7 @@
 	wp-inverted;
 	bus-width = <4>;
 	cd-gpios = <&gpionb 3 GPIO_ACTIVE_LOW>;
-	no-1-8-v;
+	vqmmc-supply = <&vcc_sd_reg1>;
 	marvell,pad-type = "sd";
 	status = "okay";
 };
-- 
2.13.3