linux-kernel - [PATCH v2] arm64: dts: qcom: qcs6490-rb3gen2: Enable UFS

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Message-ID: <20240327-rb3gen2-ufs-v2-1-3de6b5dd78dd@quicinc.com>
Date: Wed, 27 Mar 2024 19:01:13 -0700
From: Bjorn Andersson <quic_bjorande@...cinc.com>
To: Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio
	<konrad.dybcio@...aro.org>,
        Rob Herring <robh@...nel.org>,
        "Krzysztof
 Kozlowski" <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley
	<conor+dt@...nel.org>
CC: <linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        Bjorn Andersson <quic_bjorande@...cinc.com>
Subject: [PATCH v2] arm64: dts: qcom: qcs6490-rb3gen2: Enable UFS

The rb3gen2 has UFS memory, adjust the necessary supply voltage and add
the controller and phy nodes to enable this.

Signed-off-by: Bjorn Andersson <quic_bjorande@...cinc.com>
---
Changes in v2:
- Added missing regulator-allow-set-load and regulator-allowed-modes
- Dropped max-voltage for vreg_l9b_1p2 to it's expected value
- Link to v1: https://lore.kernel.org/r/20240326-rb3gen2-ufs-v1-1-8c5c2dae1e64@quicinc.com
---
 arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts | 28 +++++++++++++++++++++++++---
 1 file changed, 25 insertions(+), 3 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts
index 63ebe0774f1d..79d7c8932bff 100644
--- a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts
+++ b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts
@@ -221,8 +221,8 @@ vreg_l6b_1p2: ldo6 {
 
 		vreg_l7b_2p952: ldo7 {
 			regulator-name = "vreg_l7b_2p952";
-			regulator-min-microvolt = <2400000>;
-			regulator-max-microvolt = <3544000>;
+			regulator-min-microvolt = <2952000>;
+			regulator-max-microvolt = <2952000>;
 			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
 		};
 
@@ -236,8 +236,11 @@ vreg_l8b_0p904: ldo8 {
 		vreg_l9b_1p2: ldo9 {
 			regulator-name = "vreg_l9b_1p2";
 			regulator-min-microvolt = <1200000>;
-			regulator-max-microvolt = <1304000>;
+			regulator-max-microvolt = <1200000>;
 			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+			regulator-allow-set-load;
+			regulator-allowed-modes = <RPMH_REGULATOR_MODE_LPM
+						   RPMH_REGULATOR_MODE_HPM>;
 		};
 
 		vreg_l11b_1p504: ldo11 {
@@ -508,6 +511,25 @@ &usb_1_qmpphy {
 	status = "okay";
 };
 
+&ufs_mem_hc {
+	reset-gpios = <&tlmm 175 GPIO_ACTIVE_LOW>;
+	vcc-supply = <&vreg_l7b_2p952>;
+	vcc-max-microamp = <800000>;
+	vccq-supply = <&vreg_l9b_1p2>;
+	vccq-max-microamp = <900000>;
+	vccq2-supply = <&vreg_l9b_1p2>;
+	vccq2-max-microamp = <900000>;
+
+	status = "okay";
+};
+
+&ufs_mem_phy {
+	vdda-phy-supply = <&vreg_l10c_0p88>;
+	vdda-pll-supply = <&vreg_l6b_1p2>;
+
+	status = "okay";
+};
+
 &wifi {
 	memory-region = <&wlan_fw_mem>;
 };

---
base-commit: 084c8e315db34b59d38d06e684b1a0dd07d30287
change-id: 20240326-rb3gen2-ufs-7ddb07157556

Best regards,
-- 
Bjorn Andersson <quic_bjorande@...cinc.com>