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From c0027585783c96a1ba37e8ea604af4c7c73e8154 Mon Sep 17 00:00:00 2001
From: Umang Chheda <quic_uchheda@quicinc.com>
Date: Wed, 18 Oct 2023 18:12:00 +0530
Subject: [PATCH 2/2] PENDING: arm64: dts: qcom: Remove voltage vote support
for UFS for RB3
UFS rails have different voltage requirement for UFS2.x v/s UFS3.x.
Bootloader sets the proper voltage based on UFS type. There can be
case where the voltage set by bootloader is overridden by HLOS client.
To prevent above issue, Add change to remove voltage voting support
for UFS rails for QC6490 RB3 platform.
Signed-off-by: Umang Chheda <quic_uchheda@quicinc.com>
Signed-off-by: Atul Dhudase <quic_adhudase@quicinc.com>
Upstream-Status: Pending
---
arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts
index 6dbeb182d014..f13ab20906f8 100644
--- a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts
+++ b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts
@@ -488,6 +488,20 @@ &usb_1_qmpphy {
status = "okay";
};
+&vreg_l7b_2p952 {
+ /delete-property/regulator-min-microvolt;
+ /delete-property/regulator-max-microvolt;
+ regulator-allow-set-load;
+ regulator-allowed-modes = <RPMH_REGULATOR_MODE_LPM RPMH_REGULATOR_MODE_HPM>;
+};
+
+&vreg_l9b_1p2 {
+ /delete-property/regulator-min-microvolt;
+ /delete-property/regulator-max-microvolt;
+ regulator-allow-set-load;
+ regulator-allowed-modes = <RPMH_REGULATOR_MODE_LPM RPMH_REGULATOR_MODE_HPM>;
+};
+
&wifi {
memory-region = <&wlan_fw_mem>;
};
--
2.25.1
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