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Date: Thu, 16 Jan 2020 12:04:19 -0500
From: Sasha Levin <sashal@...nel.org>
To: linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc: Loic Poulain <loic.poulain@...aro.org>,
Bjorn Andersson <bjorn.andersson@...aro.org>,
Sasha Levin <sashal@...nel.org>, linux-arm-msm@...r.kernel.org,
devicetree@...r.kernel.org
Subject: [PATCH AUTOSEL 4.19 621/671] arm64: dts: apq8096-db820c: Increase load on l21 for SDCARD
From: Loic Poulain <loic.poulain@...aro.org>
[ Upstream commit e38161bd325ea541ef2f258d8e28281077dde524 ]
In the same way as for msm8974-hammerhead, l21 load, used for SDCARD
VMMC, needs to be increased in order to prevent any voltage drop issues
(due to limited current) happening with some SDCARDS or during specific
operations (e.g. write).
Reviewed-by: Bjorn Andersson <bjorn.andersson@...aro.org>
Fixes: 660a9763c6a9 (arm64: dts: qcom: db820c: Add pm8994 regulator node)
Signed-off-by: Loic Poulain <loic.poulain@...aro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi b/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi
index 0ef90c6554a9..9b41d77aa39b 100644
--- a/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi
+++ b/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi
@@ -580,6 +580,8 @@
l21 {
regulator-min-microvolt = <2950000>;
regulator-max-microvolt = <2950000>;
+ regulator-allow-set-load;
+ regulator-system-load = <200000>;
};
l22 {
regulator-min-microvolt = <3300000>;
--
2.20.1
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