[PATCH v3 07/10] arm64: dts: qcom: sm8450: add PCIe0 PHY node

Dmitry Baryshkov dmitry.baryshkov at linaro.org
Fri Dec 10 18:17:55 PST 2021


Add device tree node for the first PCIe PHY device found on the Qualcomm
SM8450 platform.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov at linaro.org>
---
 arch/arm64/boot/dts/qcom/sm8450.dtsi | 42 ++++++++++++++++++++++++++--
 1 file changed, 40 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/sm8450.dtsi b/arch/arm64/boot/dts/qcom/sm8450.dtsi
index 16a789cacb65..a047d8a22897 100644
--- a/arch/arm64/boot/dts/qcom/sm8450.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8450.dtsi
@@ -558,8 +558,12 @@ gcc: clock-controller at 100000 {
 			#clock-cells = <1>;
 			#reset-cells = <1>;
 			#power-domain-cells = <1>;
-			clock-names = "bi_tcxo", "sleep_clk";
-			clocks = <&rpmhcc RPMH_CXO_CLK>, <&sleep_clk>;
+			clocks = <&rpmhcc RPMH_CXO_CLK>,
+				 <&pcie0_lane>,
+				 <&sleep_clk>;
+			clock-names = "bi_tcxo",
+				      "pcie_0_pipe_clk",
+				      "sleep_clk";
 		};
 
 		qupv3_id_0: geniqup at 9c0000 {
@@ -625,6 +629,40 @@ i2c14: i2c at a98000 {
 			};
 		};
 
+		pcie0_phy: phy at 1c06000 {
+			compatible = "qcom,sm8450-qmp-gen3x1-pcie-phy";
+			reg = <0 0x01c06000 0 0x200>;
+			#address-cells = <2>;
+			#size-cells = <2>;
+			ranges;
+			clocks = <&gcc GCC_PCIE_0_AUX_CLK>,
+				 <&gcc GCC_PCIE_0_CFG_AHB_CLK>,
+				 <&gcc GCC_PCIE_0_CLKREF_EN>,
+				 <&gcc GCC_PCIE_0_PHY_RCHNG_CLK>;
+			clock-names = "aux", "cfg_ahb", "ref", "refgen";
+
+			resets = <&gcc GCC_PCIE_0_PHY_BCR>;
+			reset-names = "phy";
+
+			assigned-clocks = <&gcc GCC_PCIE_0_PHY_RCHNG_CLK>;
+			assigned-clock-rates = <100000000>;
+
+			status = "disabled";
+
+			pcie0_lane: lanes at 1c06200 {
+				reg = <0 0x1c06e00 0 0x200>, /* tx */
+				      <0 0x1c07000 0 0x200>, /* rx */
+				      <0 0x1c06200 0 0x200>, /* pcs */
+				      <0 0x1c06600 0 0x200>; /* pcs_pcie */
+				clocks = <&gcc GCC_PCIE_0_PIPE_CLK>;
+				clock-names = "pipe0";
+
+				#clock-cells = <0>;
+				#phy-cells = <0>;
+				clock-output-names = "pcie_0_pipe_clk";
+			};
+		};
+
 		config_noc: interconnect at 1500000 {
 			compatible = "qcom,sm8450-config-noc";
 			reg = <0 0x01500000 0 0x1c000>;
-- 
2.33.0




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