linux-kernel - [PATCH v4 4/8] arm64: dts: sdm845: Add UFS PHY reset

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20190213232526.26995-5-evgreen@chromium.org>
Date:   Wed, 13 Feb 2019 15:25:22 -0800
From:   Evan Green <evgreen@...omium.org>
To:     Andy Gross <andy.gross@...aro.org>,
        Kishon Vijay Abraham I <kishon@...com>
Cc:     Stephen Boyd <swboyd@...omium.org>,
        Marc Gonzalez <marc.w.gonzalez@...e.fr>,
        Can Guo <cang@...eaurora.org>,
        Vivek Gautam <vivek.gautam@...eaurora.org>,
        Douglas Anderson <dianders@...omium.org>,
        Asutosh Das <asutoshd@...eaurora.org>,
        Evan Green <evgreen@...omium.org>, devicetree@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        Rob Herring <robh+dt@...nel.org>,
        David Brown <david.brown@...aro.org>,
        Mark Rutland <mark.rutland@....com>
Subject: [PATCH v4 4/8] arm64: dts: sdm845: Add UFS PHY reset

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@...omium.org>
Reviewed-by: Stephen Boyd <swboyd@...omium.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 v4: None
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@...7400 {
-- 
2.20.1