[v7,04/13] arm64: dts: freescale: Add ddr subsys dtsi for imx8dxl

Commit Message

Abel Vesa April 19, 2022, 11:20 a.m. UTC

From: Jacky Bai <[e-mail]>

Add the ddr subsys dtsi for i.MX8DXL. Additional db pmu is added
compared to i.MX8QXP.

Signed-off-by: Jacky Bai <[e-mail]>
Signed-off-by: Abel Vesa <[e-mail]>
---
 .../boot/dts/freescale/imx8dxl-ss-ddr.dtsi    | 37 +++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 arch/arm64/boot/dts/freescale/imx8dxl-ss-ddr.dtsi

Patch

diff --git a/arch/arm64/boot/dts/freescale/imx8dxl-ss-ddr.dtsi b/arch/arm64/boot/dts/freescale/imx8dxl-ss-ddr.dtsi
new file mode 100644
index 000000000000..8a91eb33b4ef
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8dxl-ss-ddr.dtsi
@@ -0,0 +1,37 @@ 
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2021 NXP
+ */
+
+&ddr_subsys {
+	db_ipg_clk: clock-db-ipg@0 {
+		compatible = "fixed-clock";
+		reg = <0 0>;
+		#clock-cells = <0>;
+		clock-frequency = <456000000>;
+		clock-output-names = "db_ipg_clk";
+	};
+
+	db_pmu0: db-pmu@5ca40000 {
+		compatible = "fsl,imx8dxl-db-pmu";
+		reg = <0x5ca40000 0x10000>;
+		interrupt-parent = <&gic>;
+		interrupts = <GIC_SPI 338 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&db_pmu0_lpcg IMX_LPCG_CLK_0>,
+			 <&db_pmu0_lpcg IMX_LPCG_CLK_1>;
+		clock-names = "ipg", "cnt";
+		power-domains = <&pd IMX_SC_R_PERF>;
+	};
+
+	db_pmu0_lpcg: clock-controller@5cae0000 {
+		compatible = "fsl,imx8qxp-lpcg";
+		reg = <0x5cae0000 0x10000>;
+		#clock-cells = <1>;
+		clocks = <&db_ipg_clk>, <&db_ipg_clk>;
+		clock-indices = <IMX_LPCG_CLK_0>,
+				<IMX_LPCG_CLK_1>;
+		clock-output-names = "perf_lpcg_cnt_clk",
+				     "perf_lpcg_ipg_clk";
+		power-domains = <&pd IMX_SC_R_PERF>;
+	};
+};