linux-kernel - [PATCH] arm64: dts: qcom: c630: Enable UFS device reset

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Date:   Thu, 17 Oct 2019 22:57:52 -0700
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Andy Gross <agross@...nel.org>, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>
Cc:     linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] arm64: dts: qcom: c630: Enable UFS device reset

Setup the TLMM UFS_RESET to make the UFS core reset the UFS memory
device during initialization.

Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>
---
 arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts b/arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts
index 13dc619687f3..01709951fdb6 100644
--- a/arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts
+++ b/arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts
@@ -7,6 +7,7 @@
 
 /dts-v1/;
 
+#include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/regulator/qcom,rpmh-regulator.h>
 #include "sdm845.dtsi"
 #include "pm8998.dtsi"
@@ -394,6 +395,8 @@
 &ufs_mem_hc {
 	status = "okay";
 
+	reset-gpios = <&tlmm 150 GPIO_ACTIVE_LOW>;
+
 	vcc-supply = <&vreg_l20a_2p95>;
 	vcc-max-microamp = <600000>;
 };
-- 
2.23.0