2018-12-18 18:40:57

by Jeffrey Hugo

[permalink] [raw]
Subject: [PATCH] arm64: dts: qcom: msm8998-mtp: Increase load on l21 for sdcard

l21 is used as sdcard vmmc, and needs the load increased to prevent
voltage drop issues with some sdcards. This addresses -84 errors seen
during sdcard init with SDR104 cards.

Signed-off-by: Jeffrey Hugo <[email protected]>
---
arch/arm64/boot/dts/qcom/msm8998-mtp.dtsi | 2 ++
1 file changed, 2 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/msm8998-mtp.dtsi b/arch/arm64/boot/dts/qcom/msm8998-mtp.dtsi
index 50e9033..288adbf 100644
--- a/arch/arm64/boot/dts/qcom/msm8998-mtp.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8998-mtp.dtsi
@@ -192,6 +192,8 @@
vreg_l21a_2p95: l21 {
regulator-min-microvolt = <2960000>;
regulator-max-microvolt = <2960000>;
+ regulator-allow-set-load;
+ regulator-system-load = <800000>;
};
vreg_l22a_2p85: l22 {
regulator-min-microvolt = <2864000>;
--
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