linux-kernel - [PATCH v1 2/2] arm64: dts: qcom: ipq9574: Fix USB 'vdda-pll-supply'

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Message-Id: <f98bbf0a515236709d999010f08c8f2470a31209.1701160842.git.varada@hu-varada-blr.qualcomm.com>
Date:   Tue, 28 Nov 2023 14:16:46 +0530
From:   Varadarajan Narayanan <varada@...varada-blr.qualcomm.com>
To:     agross@...nel.org, andersson@...nel.org, konrad.dybcio@...aro.org,
        robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        conor+dt@...nel.org, lgirdwood@...il.com, broonie@...nel.org,
        dmitry.baryshkov@...aro.org, quic_varada@...cinc.com,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v1 2/2] arm64: dts: qcom: ipq9574: Fix USB 'vdda-pll-supply'

From: Varadarajan Narayanan <quic_varada@...cinc.com>

The earlier patch ec4f047679d5, incorrectly used 'l2'
as the vdda-pll-supply. However, 'l5' is the correct
ldo that supplies power to the USB PHY.

Fixes: ec4f047679d5 ("arm64: dts: qcom: ipq9574: Enable USB")
Signed-off-by: Varadarajan Narayanan <quic_varada@...cinc.com>
---
 arch/arm64/boot/dts/qcom/ipq9574-rdp-common.dtsi | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/ipq9574-rdp-common.dtsi b/arch/arm64/boot/dts/qcom/ipq9574-rdp-common.dtsi
index 49c9b6478357..6d4c758c7f5f 100644
--- a/arch/arm64/boot/dts/qcom/ipq9574-rdp-common.dtsi
+++ b/arch/arm64/boot/dts/qcom/ipq9574-rdp-common.dtsi
@@ -96,6 +96,13 @@ mp5496_l2: l2 {
 			regulator-always-on;
 			regulator-boot-on;
 		};
+
+		mp5496_l5: l5 {
+			regulator-min-microvolt = <1800000>;
+			regulator-max-microvolt = <1800000>;
+			regulator-always-on;
+			regulator-boot-on;
+		};
 	};
 };
 
@@ -124,7 +131,7 @@ &usb_0_dwc3 {
 };
 
 &usb_0_qmpphy {
-	vdda-pll-supply = <&mp5496_l2>;
+	vdda-pll-supply = <&mp5496_l5>;
 	vdda-phy-supply = <&regulator_fixed_0p925>;
 
 	status = "okay";
@@ -132,7 +139,7 @@ &usb_0_qmpphy {
 
 &usb_0_qusbphy {
 	vdd-supply = <&regulator_fixed_0p925>;
-	vdda-pll-supply = <&mp5496_l2>;
+	vdda-pll-supply = <&mp5496_l5>;
 	vdda-phy-dpdm-supply = <&regulator_fixed_3p3>;
 
 	status = "okay";
-- 
2.34.1