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 4/9] arm64: dts: sdm845: Add UFS PHY reset
Date: Wed, 23 Jan 2019 14:11:32 -0800 [thread overview]
Message-ID: <20190123221137.41722-5-evgreen@chromium.org> (raw)
In-Reply-To: <20190123221137.41722-1-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 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 b29332b265d9e..029ab66405cf4 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 {
--
2.18.1
next prev 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 ` Evan Green [this message]
2019-01-23 22:11 ` [PATCH v2 5/9] arm64: dts: msm8996: Add UFS PHY reset controller Evan Green
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