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From:   Evan Green <evgreen@chromium.org>
To:     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,
        Andy Gross <andy.gross@linaro.org>,
        Rob Herring <robh+dt@kernel.org>,
        David Brown <david.brown@linaro.org>,
        Mark Rutland <mark.rutland@arm.com>
Subject: [PATCH v5 5/8] arm64: dts: msm8996: Add UFS PHY reset controller
Date:   Thu, 21 Mar 2019 10:17:57 -0700
Message-Id: <20190321171800.104681-6-evgreen@chromium.org>
In-Reply-To: <20190321171800.104681-1-evgreen@chromium.org>
References: <20190321171800.104681-1-evgreen@chromium.org>
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Sender: linux-kernel-owner@vger.kernel.org
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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 v5: None
Changes in v4: None
Changes in v3: None
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 c761269caf80..5683b727283e 100644
--- a/arch/arm64/boot/dts/qcom/msm8996.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8996.dtsi
@@ -697,10 +697,11 @@
 			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>;
@@ -756,6 +757,7 @@
 				<0 0>;
 
 			lanes-per-direction = <1>;
+			#reset-cells = <1>;
 			status = "disabled";
 
 			ufs_variant {
-- 
2.20.1