linux-kernel - [PATCH v5 4/8] arm64: dts: freescale: Add ddr subsys dtsi for imx8dxl

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Date:   Mon,  4 Apr 2022 16:46:05 +0300
From:   Abel Vesa <abel.vesa@....com>
To:     Rob Herring <robh@...nel.org>, Dong Aisheng <aisheng.dong@....com>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Shawn Guo <shawnguo@...nel.org>
Cc:     Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        devicetree@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        <netdev@...r.kernel.org>, Jacky Bai <ping.bai@....com>
Subject: [PATCH v5 4/8] arm64: dts: freescale: Add ddr subsys dtsi for imx8dxl

From: Jacky Bai <ping.bai@....com>

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

Signed-off-by: Jacky Bai <ping.bai@....com>
Signed-off-by: Abel Vesa <abel.vesa@....com>
---
 .../boot/dts/freescale/imx8dxl-ss-ddr.dtsi    | 36 +++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 arch/arm64/boot/dts/freescale/imx8dxl-ss-ddr.dtsi

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..75b482966d94
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8dxl-ss-ddr.dtsi
@@ -0,0 +1,36 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2021 NXP
+ */
+
+&ddr_subsys {
+	db_ipg_clk: clock-db-ipg {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <456000000>;
+		clock-output-names = "db_ipg_clk";
+	};
+
+	db_pmu0: db-pmu@...40000 {
+		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@...e0000 {
+		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>;
+	};
+};
-- 
2.34.1