linux-kernel - [PATCH v5 3/3] arm64: dts: exynos: gs101: enable ufs, phy on oriole & define ufs regulator

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Date: Tue, 30 Apr 2024 15:14:45 +0100
From: Peter Griffin <peter.griffin@...aro.org>
To: robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	alim.akhtar@...sung.com
Cc: devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-samsung-soc@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	tudor.ambarus@...aro.org,
	andre.draszik@...aro.org,
	saravanak@...gle.com,
	willmcvicker@...gle.com,
	kernel-team@...roid.com,
	Peter Griffin <peter.griffin@...aro.org>
Subject: [PATCH v5 3/3] arm64: dts: exynos: gs101: enable ufs, phy on oriole & define ufs regulator

Enable ufs & ufs phy nodes for Oriole. Also define the ufs regulator node.

ufs regulator is a stub until full s2mpg11 slave pmic support is added.
The gpio defined is for the BOOTLD0 (gs101) signal connected to
UFS_EN(s2mpg11) gpio enabled voltage rail for UFS.

Signed-off-by: Peter Griffin <peter.griffin@...aro.org>
---
 .../boot/dts/exynos/google/gs101-oriole.dts    | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/arch/arm64/boot/dts/exynos/google/gs101-oriole.dts b/arch/arm64/boot/dts/exynos/google/gs101-oriole.dts
index 03b2a6fdfdc4..5e8ffe065081 100644
--- a/arch/arm64/boot/dts/exynos/google/gs101-oriole.dts
+++ b/arch/arm64/boot/dts/exynos/google/gs101-oriole.dts
@@ -59,6 +59,15 @@ reg_placeholder: regulator-0 {
 		compatible = "regulator-fixed";
 		regulator-name = "placeholder_reg";
 	};
+
+	/* TODO: Remove this once S2MPG11 slave PMIC is implemented  */
+	ufs_0_fixed_vcc_reg: regulator-1 {
+		compatible = "regulator-fixed";
+		regulator-name = "ufs-vcc";
+		gpio = <&gpp0 1 GPIO_ACTIVE_HIGH>;
+		regulator-boot-on;
+		enable-active-high;
+	};
 };
 
 &ext_24_5m {
@@ -112,6 +121,15 @@ &serial_0 {
 	status = "okay";
 };
 
+&ufs_0 {
+	status = "okay";
+	vcc-supply = <&ufs_0_fixed_vcc_reg>;
+};
+
+&ufs_0_phy {
+	status = "okay";
+};
+
 &usbdrd31 {
 	status = "okay";
 	vdd10-supply = <&reg_placeholder>;
-- 
2.45.0.rc0.197.gbae5840b3b-goog