linux-kernel - [RFC PATCH v2 2/4] arm64: dts: qcom: msm8998: Add UFS nodes

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Date:   Wed, 16 Jan 2019 11:56:50 +0100
From:   Marc Gonzalez <marc.w.gonzalez@...e.fr>
To:     MSM <linux-arm-msm@...r.kernel.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Jeffrey Hugo <jhugo@...eaurora.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Andy Gross <andy.gross@...aro.org>,
        Rob Herring <robh+dt@...nel.org>
Subject: [RFC PATCH v2 2/4] arm64: dts: qcom: msm8998: Add UFS nodes

Add host controller and PHY DT nodes.

Signed-off-by: Marc Gonzalez <marc.w.gonzalez@...e.fr>
---
TODO: check whether the driver uses the 'resets' prop
---
 arch/arm64/boot/dts/qcom/msm8998-mtp.dtsi | 20 +++++++
 arch/arm64/boot/dts/qcom/msm8998.dtsi     | 63 +++++++++++++++++++++++
 2 files changed, 83 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/msm8998-mtp.dtsi b/arch/arm64/boot/dts/qcom/msm8998-mtp.dtsi
index 50e9033aa7f6..cd1c9e84eab7 100644
--- a/arch/arm64/boot/dts/qcom/msm8998-mtp.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8998-mtp.dtsi
@@ -257,3 +257,23 @@
 	pinctrl-0 = <&sdc2_clk_on  &sdc2_cmd_on  &sdc2_data_on  &sdc2_cd_on>;
 	pinctrl-1 = <&sdc2_clk_off &sdc2_cmd_off &sdc2_data_off &sdc2_cd_off>;
 };
+
+&ufshc {
+	vdd-hba-fixed-regulator;
+	vcc-supply = <&vreg_l20a_2p95>;
+	vccq-supply = <&vreg_l26a_1p2>;
+	vccq2-supply = <&vreg_s4a_1p8>;
+	vcc-max-microamp = <750000>;
+	vccq-max-microamp = <560000>;
+	vccq2-max-microamp = <750000>;
+};
+
+&ufsphy {
+	vdda-phy-supply = <&vreg_l1a_0p875>;
+	vdda-pll-supply = <&vreg_l2a_1p2>;
+	vddp-ref-clk-supply = <&vreg_l26a_1p2>;
+	vdda-phy-max-microamp = <51400>;
+	vdda-pll-max-microamp = <14600>;
+	vddp-ref-clk-max-microamp = <100>;
+	vddp-ref-clk-always-on;
+};
diff --git a/arch/arm64/boot/dts/qcom/msm8998.dtsi b/arch/arm64/boot/dts/qcom/msm8998.dtsi
index 6f4f4b79853b..36fd2e614464 100644
--- a/arch/arm64/boot/dts/qcom/msm8998.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8998.dtsi
@@ -711,6 +711,69 @@
 			redistributor-stride = <0x0 0x20000>;
 			interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>;
 		};
+
+		ufshc: ufshc@...4000 {
+			compatible = "qcom,msm8998-ufshc", "qcom,ufshc",
+				     "jedec,ufs-2.0";
+			reg = <0x1da4000 0x2500>;
+			interrupts = <GIC_SPI 265 IRQ_TYPE_LEVEL_HIGH>;
+			phys = <&ufsphy_lanes>;
+			phy-names = "ufsphy";
+			lanes-per-direction = <2>;
+			power-domains = <&gcc UFS_GDSC>;
+
+			clock-names =
+				"core_clk",
+				"bus_aggr_clk",
+				"iface_clk",
+				"core_clk_unipro",
+				"ref_clk",
+				"tx_lane0_sync_clk",
+				"rx_lane0_sync_clk",
+				"rx_lane1_sync_clk";
+			clocks =
+				<&gcc GCC_UFS_AXI_CLK>,
+				<&gcc GCC_AGGRE1_UFS_AXI_CLK>,
+				<&gcc GCC_UFS_AHB_CLK>,
+				<&gcc GCC_UFS_UNIPRO_CORE_CLK>,
+				<&rpmcc RPM_SMD_LN_BB_CLK1>,
+				<&gcc GCC_UFS_TX_SYMBOL_0_CLK>,
+				<&gcc GCC_UFS_RX_SYMBOL_0_CLK>,
+				<&gcc GCC_UFS_RX_SYMBOL_1_CLK>;
+			freq-table-hz =
+				<50000000 200000000>,
+				<0 0>,
+				<0 0>,
+				<37500000 150000000>,
+				<0 0>,
+				<0 0>,
+				<0 0>,
+				<0 0>;
+
+			resets = <&gcc GCC_UFS_BCR>;
+			reset-names = "rst";
+		};
+
+		ufsphy: phy@...7000 {
+			compatible = "qcom,sdm845-qmp-ufs-phy";
+			reg = <0x1da7000 0x18c>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges;
+			clock-names = "ref", "ref_aux";
+			clocks =
+				<&gcc GCC_UFS_CLKREF_CLK>,
+				<&gcc GCC_UFS_PHY_AUX_CLK>;
+
+			ufsphy_lanes: lanes@...7400 {
+				reg = <0x1da7400 0x128>,
+				      <0x1da7600 0x1fc>,
+				      <0x1da7c00 0x1dc>,
+				      <0x1da7800 0x128>,
+				      <0x1da7a00 0x1fc>;
+				#phy-cells = <0>;
+			};
+		};
 	};
 };
 
-- 
2.17.1