Thread (15 messages) 15 messages, 3 authors, 2021-03-08

[PATCH v4 02/10] arm64: dts: imx8mm-nitrogen-r2: rework USDHC1

STALE2038d

From: Adrien Grassein <hidden>
Date: 2021-02-23 19:18:18
Also in: linux-devicetree, lkml
Subsystem: arm/freescale imx / mxc / layerscape arm architecture, the rest · Maintainers: Frank Li, Sascha Hauer, Linus Torvalds

Revision v4 of 4 in this series.

Revisions (4)
  1. v1 [diff vs current]
  2. v2 [diff vs current]
  3. v3 [diff vs current]
  4. v4 current
Add VMMC and VQMMC description for USDHC1 (eMMC).
There are comming directly from the alimentation
stage, so add the vref_3V3 fixed regulator.

Signed-off-by: Adrien Grassein <redacted>
---
 arch/arm64/boot/dts/freescale/imx8mm-nitrogen-r2.dts | 9 +++++++++
 1 file changed, 9 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-nitrogen-r2.dts b/arch/arm64/boot/dts/freescale/imx8mm-nitrogen-r2.dts
index 4a3dabeb8c85..217ac8c53702 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-nitrogen-r2.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mm-nitrogen-r2.dts
@@ -17,6 +17,13 @@ reg_vref_1v8: regulator-vref-1v8 {
 		regulator-max-microvolt = <1800000>;
 	};
 
+	reg_vref_3v3: regulator-vref-3v3 {
+		compatible = "regulator-fixed";
+		regulator-name = "vref-3v3";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+	};
+
 	reg_wlan_vmmc: regulator-wlan-vmmc {
 		compatible = "regulator-fixed";
 		pinctrl-names = "default";
@@ -209,6 +216,8 @@ &usdhc1 {
 	pinctrl-0 = <&pinctrl_usdhc1>;
 	pinctrl-1 = <&pinctrl_usdhc1_100mhz>;
 	pinctrl-2 = <&pinctrl_usdhc1_200mhz>;
+	vmmc-supply = <&reg_vref_3v3>;
+	vqmmc-supply = <&reg_vref_1v8>;
 	status = "okay";
 };
 
-- 
2.25.1


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