linux-kernel - [PATCH 3/3] arm64: dts: qcom: sdm845-mtp: Specify UFS device-reset GPIO

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Message-Id: <20190604072001.9288-4-bjorn.andersson@linaro.org>
Date:   Tue,  4 Jun 2019 00:20:01 -0700
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Andy Gross <agross@...nel.org>
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Pedro Sousa <pedrom.sousa@...opsys.com>,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        linux-arm-msm@...r.kernel.org, linux-gpio@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-scsi@...r.kernel.org
Subject: [PATCH 3/3] arm64: dts: qcom: sdm845-mtp: Specify UFS device-reset GPIO

Specify the UFS device-reset gpio, so that the controller will issue a
reset of the UFS device.

Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>
---
 arch/arm64/boot/dts/qcom/sdm845-mtp.dts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sdm845-mtp.dts b/arch/arm64/boot/dts/qcom/sdm845-mtp.dts
index 2e78638eb73b..d116a0956a9c 100644
--- a/arch/arm64/boot/dts/qcom/sdm845-mtp.dts
+++ b/arch/arm64/boot/dts/qcom/sdm845-mtp.dts
@@ -388,6 +388,8 @@
 &ufs_mem_hc {
 	status = "okay";
 
+	device-reset-gpios = <&tlmm 150 GPIO_ACTIVE_LOW>;
+
 	vcc-supply = <&vreg_l20a_2p95>;
 	vcc-max-microamp = <600000>;
 };
-- 
2.18.0