[PATCH v5 4/8] arm64: dts: sdm845: Add UFS PHY reset

From: Evan Green
Date: Thu Mar 21 2019 - 13:18:57 EST


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@xxxxxxxxxxxx>
Reviewed-by: Stephen Boyd <swboyd@xxxxxxxxxxxx>
---

Changes in v5: None
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 5308f1671824..66c77146585b 100644
--- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
@@ -1033,6 +1033,7 @@
phy-names = "ufsphy";
lanes-per-direction = <2>;
power-domains = <&gcc UFS_PHY_GDSC>;
+ #reset-cells = <1>;

iommus = <&apps_smmu 0x100 0xf>;

@@ -1078,6 +1079,8 @@
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