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From: Bjorn Andersson <bjorn.andersson@linaro.org>
To: Rob Herring <robh+dt@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	Andy Gross <agross@kernel.org>
Cc: Alim Akhtar <alim.akhtar@samsung.com>,
	Avri Altman <avri.altman@wdc.com>,
	Pedro Sousa <pedrom.sousa@synopsys.com>,
	"James E.J. Bottomley" <jejb@linux.ibm.com>,
	"Martin K. Petersen" <martin.petersen@oracle.com>,
	Bean Huo <beanhuo@micron.com>,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-arm-msm@vger.kernel.org, linux-scsi@vger.kernel.org,
	Linus Walleij <linus.walleij@linaro.org>
Subject: [PATCH v4 3/3] arm64: dts: qcom: sdm845: Specify UFS device-reset GPIO
Date: Wed, 28 Aug 2019 12:17:56 -0700	[thread overview]
Message-ID: <20190828191756.24312-4-bjorn.andersson@linaro.org> (raw)
In-Reply-To: <20190828191756.24312-1-bjorn.andersson@linaro.org>

Specify the UFS device-reset gpio for db845c and mtp, so that the
controller will issue a reset of the UFS device.

Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
---

Changes since v3:
- Renamed property
- Added property to db845c

 arch/arm64/boot/dts/qcom/sdm845-db845c.dts | 2 ++
 arch/arm64/boot/dts/qcom/sdm845-mtp.dts    | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sdm845-db845c.dts b/arch/arm64/boot/dts/qcom/sdm845-db845c.dts
index 71bd717a4251..f5a85caff1a3 100644
--- a/arch/arm64/boot/dts/qcom/sdm845-db845c.dts
+++ b/arch/arm64/boot/dts/qcom/sdm845-db845c.dts
@@ -497,6 +497,8 @@
 &ufs_mem_hc {
 	status = "okay";
 
+	reset-gpios = <&tlmm 150 GPIO_ACTIVE_LOW>;
+
 	vcc-supply = <&vreg_l20a_2p95>;
 	vcc-max-microamp = <800000>;
 };
diff --git a/arch/arm64/boot/dts/qcom/sdm845-mtp.dts b/arch/arm64/boot/dts/qcom/sdm845-mtp.dts
index 2e78638eb73b..c57548b7b250 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";
 
+	reset-gpios = <&tlmm 150 GPIO_ACTIVE_LOW>;
+
 	vcc-supply = <&vreg_l20a_2p95>;
 	vcc-max-microamp = <600000>;
 };
-- 
2.18.0


  parent reply	other threads:[~2019-08-28 19:18 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-28 19:17 [PATCH v4 0/3] Qualcomm UFS device reset support Bjorn Andersson
2019-08-28 19:17 ` [PATCH v4 1/3] scsi: ufs: Introduce vops for resetting device Bjorn Andersson
2019-09-02  8:39   ` [EXT] " Bean Huo (beanhuo)
2019-08-28 19:17 ` [PATCH v4 2/3] scsi: ufs-qcom: Implement device_reset vops Bjorn Andersson
2019-09-02 13:38   ` Rob Herring
2019-08-28 19:17 ` Bjorn Andersson [this message]
2019-08-30  5:59 ` [PATCH] arm64: dts: qcom: sdm845: Use UFS reset gpio instead of pinctrl Stephen Boyd
2019-09-01  6:12 ` [PATCH v4 0/3] Qualcomm UFS device reset support Avri Altman
2019-09-07 20:37 ` Martin K. Petersen

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