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From: Evan Green <evgreen@chromium.org>
To: Andy Gross <andy.gross@linaro.org>,
	Rob Herring <robh+dt@kernel.org>,
	Kishon Vijay Abraham I <kishon@ti.com>
Cc: Can Guo <cang@codeaurora.org>,
	Douglas Anderson <dianders@chromium.org>,
	Asutosh Das <asutoshd@codeaurora.org>,
	Stephen Boyd <swboyd@chromium.org>,
	Vivek Gautam <vivek.gautam@codeaurora.org>,
	Evan Green <evgreen@chromium.org>,
	devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	David Brown <david.brown@linaro.org>,
	Mark Rutland <mark.rutland@arm.com>
Subject: [PATCH v2 5/9] arm64: dts: msm8996: Add UFS PHY reset controller
Date: Wed, 23 Jan 2019 14:11:33 -0800	[thread overview]
Message-ID: <20190123221137.41722-6-evgreen@chromium.org> (raw)
In-Reply-To: <20190123221137.41722-1-evgreen@chromium.org>

Add the reset controller for the UFS controller, and wire it up
so that the UFS PHY can initialize itself without relying on
implicit sequencing between the two drivers.

Signed-off-by: Evan Green <evgreen@chromium.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
---

Changes in v2: None

 arch/arm64/boot/dts/qcom/msm8996.dtsi | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/qcom/msm8996.dtsi b/arch/arm64/boot/dts/qcom/msm8996.dtsi
index 99b7495455a62..179f1988d45c5 100644
--- a/arch/arm64/boot/dts/qcom/msm8996.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8996.dtsi
@@ -663,10 +663,11 @@
 			clock-names = "ref_clk_src", "ref_clk";
 			clocks = <&rpmcc RPM_SMD_LN_BB_CLK>,
 				 <&gcc GCC_UFS_CLKREF_CLK>;
+			resets = <&ufshc 0>;
 			status = "disabled";
 		};
 
-		ufshc@624000 {
+		ufshc: ufshc@624000 {
 			compatible = "qcom,ufshc";
 			reg = <0x624000 0x2500>;
 			interrupts = <GIC_SPI 265 IRQ_TYPE_LEVEL_HIGH>;
@@ -722,6 +723,7 @@
 				<0 0>;
 
 			lanes-per-direction = <1>;
+			#reset-cells = <1>;
 			status = "disabled";
 
 			ufs_variant {
-- 
2.18.1

      parent reply	other threads:[~2019-01-23 22:11 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-01-23 22:11 [PATCH v2 0/9] phy: qcom-ufs: Enable regulators to be off in suspend Evan Green
2019-01-23 22:11 ` [PATCH v2 4/9] arm64: dts: sdm845: Add UFS PHY reset Evan Green
2019-01-23 22:11 ` Evan Green [this message]

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