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From: Evan Green <evgreen@chromium.org>
To: Andy Gross <andy.gross@linaro.org>,
	Kishon Vijay Abraham I <kishon@ti.com>
Cc: Stephen Boyd <swboyd@chromium.org>,
	Marc Gonzalez <marc.w.gonzalez@free.fr>,
	Can Guo <cang@codeaurora.org>,
	Vivek Gautam <vivek.gautam@codeaurora.org>,
	Douglas Anderson <dianders@chromium.org>,
	Asutosh Das <asutoshd@codeaurora.org>,
	Evan Green <evgreen@chromium.org>,
	devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org,
	linux-kernel@vger.kernel.org, Rob Herring <robh+dt@kernel.org>,
	David Brown <david.brown@linaro.org>,
	Mark Rutland <mark.rutland@arm.com>
Subject: [PATCH v3 4/8] arm64: dts: sdm845: Add UFS PHY reset
Date: Tue,  5 Feb 2019 10:58:58 -0800	[thread overview]
Message-ID: <20190205185902.106085-5-evgreen@chromium.org> (raw)
In-Reply-To: <20190205185902.106085-1-evgreen@chromium.org>

Wire up the reset controller in the Qcom UFS controller for the PHY.
This will be used to toggle PHY reset during initialization of the PHY.

Signed-off-by: Evan Green <evgreen@chromium.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
---
This commit is based atop the series at [1]. Patches 1 and 2 of that
series have landed, but 3, 4, and 5 are still outstanding.

[1] https://lore.kernel.org/lkml/20181210192826.241350-1-evgreen@chromium.org/

Changes in v3: None
Changes in v2: None

 arch/arm64/boot/dts/qcom/sdm845.dtsi | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
index b29332b265d9..029ab66405cf 100644
--- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
@@ -990,6 +990,7 @@
 			phy-names = "ufsphy";
 			lanes-per-direction = <2>;
 			power-domains = <&gcc UFS_PHY_GDSC>;
+			#reset-cells = <1>;
 
 			clock-names =
 				"core_clk",
@@ -1033,6 +1034,8 @@
 			clocks = <&gcc GCC_UFS_MEM_CLKREF_CLK>,
 				 <&gcc GCC_UFS_PHY_PHY_AUX_CLK>;
 
+			resets = <&ufs_mem_hc 0>;
+			reset-names = "ufsphy";
 			status = "disabled";
 
 			ufs_mem_phy_lanes: lanes@1d87400 {
-- 
2.20.1

  parent reply	other threads:[~2019-02-05 18:58 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-05 18:58 [PATCH v3 0/8] phy: qcom-ufs: Enable regulators to be off in suspend Evan Green
2019-02-05 18:58 ` Evan Green
2019-02-05 18:58 ` [PATCH v3 1/8] dt-bindings: ufs: Add #reset-cells for Qualcomm controllers Evan Green
2019-02-05 18:58 ` [PATCH v3 2/8] dt-bindings: phy-qcom-qmp: Add UFS PHY reset Evan Green
2019-02-05 18:58 ` [PATCH v3 3/8] dt-bindings: phy: qcom-ufs: Add resets property Evan Green
2019-02-05 18:58 ` Evan Green [this message]
2019-02-05 18:58 ` [PATCH v3 5/8] arm64: dts: msm8996: Add UFS PHY reset controller Evan Green
2019-02-05 18:59 ` [PATCH v3 6/8] scsi: ufs: qcom: Expose the reset controller for PHY Evan Green
2019-02-06 11:42   ` Kishon Vijay Abraham I
2019-02-06 11:42     ` Kishon Vijay Abraham I
2019-02-06 11:54     ` Marc Gonzalez
2019-02-06 12:12       ` Kishon Vijay Abraham I
2019-02-06 13:57     ` Avri Altman
2019-02-06 19:48       ` Stephen Boyd
2019-02-06 21:04   ` Stephen Boyd
2019-02-06 21:04     ` Stephen Boyd
2019-02-05 18:59 ` [PATCH v3 7/8] phy: qcom: Utilize UFS reset controller Evan Green
2019-02-06 21:33   ` Stephen Boyd
2019-02-06 21:33     ` Stephen Boyd
2019-02-08 18:59     ` Evan Green
2019-02-05 18:59 ` [PATCH v3 8/8] phy: ufs-qcom: Refactor all init steps into phy_poweron Evan Green
2019-02-06 22:04   ` Stephen Boyd
2019-02-06 22:04     ` Stephen Boyd
2019-03-19 20:04 ` [PATCH v3 0/8] phy: qcom-ufs: Enable regulators to be off in suspend Evan Green
2019-03-19 20:04   ` Evan Green
2019-03-20  9:06   ` Kishon Vijay Abraham I
2019-03-20  9:06     ` Kishon Vijay Abraham I
2019-03-21 17:19     ` Evan Green
2019-03-21 17:19       ` Evan Green

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