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authorGregory CLEMENT <gregory.clement@free-electrons.com>2017-06-08 12:29:51 +0200
committerGregory CLEMENT <gregory.clement@free-electrons.com>2017-06-17 08:19:26 +0200
commit07d065abf93dbced17d189f7c830467ca559c81d (patch)
tree48df77eec6252a5ba357e42d0c0759f1c84b0d5c /arch/arm64/boot/dts/marvell/armada-3720-db.dts
parent1208d2f0c84120d4e3eb2caf663a9a8b784b38ba (diff)
arm64: dts: marvell: armada-3720-db: Add vqmmc regulator for SD slot
By adding this regulator, the SD cards are usable at higher speed protocols such as SDR104. This patch was tested with an SD HC card compatible with UHS-I. Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Diffstat (limited to 'arch/arm64/boot/dts/marvell/armada-3720-db.dts')
-rw-r--r--arch/arm64/boot/dts/marvell/armada-3720-db.dts15
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/marvell/armada-3720-db.dts b/arch/arm64/boot/dts/marvell/armada-3720-db.dts
index eab3bc7e6382..9df0f06ce607 100644
--- a/arch/arm64/boot/dts/marvell/armada-3720-db.dts
+++ b/arch/arm64/boot/dts/marvell/armada-3720-db.dts
@@ -80,6 +80,20 @@
compatible = "usb-nop-xceiv";
vcc-supply = <&exp_usb3_vbus>;
};
+
+ vcc_sd_reg1: regulator {
+ compatible = "regulator-gpio";
+ regulator-name = "vcc_sd1";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-boot-on;
+
+ gpios = <&gpiosb 23 GPIO_ACTIVE_HIGH>;
+ gpios-states = <0>;
+ states = <1800000 0x1
+ 3300000 0x0>;
+ enable-active-high;
+ };
};
/* Gigabit module on CON19(V2.0)/CON21(V1.4) */
@@ -164,6 +178,7 @@
cd-gpios = <&gpiosb 2 GPIO_ACTIVE_LOW>;
bus-width = <4>;
marvell,pad-type = "sd";
+ vqmmc-supply = <&vcc_sd_reg1>;
status = "okay";
};