[PATCH 3/3] arm64: dts: imx8dxl: add lpspi support

[Frank Li]

Add lpspi0 lpspi1 lpspi2 lpspi3 node at common dma subsystem.
Enable lpspi0 at imx8dxl_evk boards dts.

Signed-off-by: Frank Li <Frank.Li at nxp.com>
---
 .../arm64/boot/dts/freescale/imx8-ss-dma.dtsi | 112 ++++++++++++++++++
 arch/arm64/boot/dts/freescale/imx8dxl-evk.dts |  15 +++
 2 files changed, 127 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8-ss-dma.dtsi b/arch/arm64/boot/dts/freescale/imx8-ss-dma.dtsi
index bdbb660c2682..a943a1e2797f 100644
--- a/arch/arm64/boot/dts/freescale/imx8-ss-dma.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8-ss-dma.dtsi
@@ -20,6 +20,70 @@ dma_ipg_clk: clock-dma-ipg {
 		clock-output-names = "dma_ipg_clk";
 	};
 
+	lpspi0: spi at 5a000000 {
+		compatible = "fsl,imx7ulp-spi";
+		reg = <0x5a000000 0x10000>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+		interrupts = <GIC_SPI 336 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-parent = <&gic>;
+		clocks = <&spi0_lpcg 0>,
+			 <&spi0_lpcg 1>;
+		clock-names = "per", "ipg";
+		assigned-clocks = <&clk IMX_SC_R_SPI_0 IMX_SC_PM_CLK_PER>;
+		assigned-clock-rates = <20000000>;
+		power-domains = <&pd IMX_SC_R_SPI_0>;
+		status = "disabled";
+	};
+
+	lpspi1: spi at 5a010000 {
+		compatible = "fsl,imx7ulp-spi";
+		reg = <0x5a010000 0x10000>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+		interrupts = <GIC_SPI 337 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-parent = <&gic>;
+		clocks = <&spi1_lpcg 0>,
+			 <&spi1_lpcg 1>;
+		clock-names = "per", "ipg";
+		assigned-clocks = <&clk IMX_SC_R_SPI_1 IMX_SC_PM_CLK_PER>;
+		assigned-clock-rates = <60000000>;
+		power-domains = <&pd IMX_SC_R_SPI_1>;
+		status = "disabled";
+	};
+
+	lpspi2: spi at 5a020000 {
+		compatible = "fsl,imx7ulp-spi";
+		reg = <0x5a020000 0x10000>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+		interrupts = <GIC_SPI 338 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-parent = <&gic>;
+		clocks = <&spi2_lpcg 0>,
+			 <&spi2_lpcg 1>;
+		clock-names = "per", "ipg";
+		assigned-clocks = <&clk IMX_SC_R_SPI_2 IMX_SC_PM_CLK_PER>;
+		assigned-clock-rates = <60000000>;
+		power-domains = <&pd IMX_SC_R_SPI_2>;
+		status = "disabled";
+	};
+
+	lpspi3: spi at 5a030000 {
+		compatible = "fsl,imx7ulp-spi";
+		reg = <0x5a030000 0x10000>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+		interrupts = <GIC_SPI 339 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-parent = <&gic>;
+		clocks = <&spi3_lpcg 0>,
+			 <&spi3_lpcg 1>;
+		clock-names = "per", "ipg";
+		assigned-clocks = <&clk IMX_SC_R_SPI_3 IMX_SC_PM_CLK_PER>;
+		assigned-clock-rates = <60000000>;
+		power-domains = <&pd IMX_SC_R_SPI_3>;
+		status = "disabled";
+	};
+
 	lpuart0: serial at 5a060000 {
 		reg = <0x5a060000 0x1000>;
 		interrupts = <GIC_SPI 225 IRQ_TYPE_LEVEL_HIGH>;
@@ -60,6 +124,54 @@ lpuart3: serial at 5a090000 {
 		status = "disabled";
 	};
 
+	spi0_lpcg: clock-controller at 5a400000 {
+		compatible = "fsl,imx8qxp-lpcg";
+		reg = <0x5a400000 0x10000>;
+		#clock-cells = <1>;
+		clocks = <&clk IMX_SC_R_SPI_0 IMX_SC_PM_CLK_PER>,
+			 <&dma_ipg_clk>;
+		clock-indices = <IMX_LPCG_CLK_0>, <IMX_LPCG_CLK_4>;
+		clock-output-names = "spi0_lpcg_clk",
+				     "spi0_lpcg_ipg_clk";
+		power-domains = <&pd IMX_SC_R_SPI_0>;
+	};
+
+	spi1_lpcg: clock-controller at 5a410000 {
+		compatible = "fsl,imx8qxp-lpcg";
+		reg = <0x5a410000 0x10000>;
+		#clock-cells = <1>;
+		clocks = <&clk IMX_SC_R_SPI_1 IMX_SC_PM_CLK_PER>,
+			 <&dma_ipg_clk>;
+		clock-indices = <IMX_LPCG_CLK_0>, <IMX_LPCG_CLK_4>;
+		clock-output-names = "spi1_lpcg_clk",
+				     "spi1_lpcg_ipg_clk";
+		power-domains = <&pd IMX_SC_R_SPI_1>;
+	};
+
+	spi2_lpcg: clock-controller at 5a420000 {
+		compatible = "fsl,imx8qxp-lpcg";
+		reg = <0x5a420000 0x10000>;
+		#clock-cells = <1>;
+		clocks = <&clk IMX_SC_R_SPI_2 IMX_SC_PM_CLK_PER>,
+			 <&dma_ipg_clk>;
+		clock-indices = <IMX_LPCG_CLK_0>, <IMX_LPCG_CLK_4>;
+		clock-output-names = "spi2_lpcg_clk",
+				     "spi2_lpcg_ipg_clk";
+		power-domains = <&pd IMX_SC_R_SPI_2>;
+	};
+
+	spi3_lpcg: clock-controller at 5a430000 {
+		compatible = "fsl,imx8qxp-lpcg";
+		reg = <0x5a430000 0x10000>;
+		#clock-cells = <1>;
+		clocks = <&clk IMX_SC_R_SPI_3 IMX_SC_PM_CLK_PER>,
+			 <&dma_ipg_clk>;
+		clock-indices = <IMX_LPCG_CLK_0>, <IMX_LPCG_CLK_4>;
+		clock-output-names = "spi3_lpcg_clk",
+				     "spi3_lpcg_ipg_clk";
+		power-domains = <&pd IMX_SC_R_SPI_3>;
+	};
+
 	uart0_lpcg: clock-controller at 5a460000 {
 		compatible = "fsl,imx8qxp-lpcg";
 		reg = <0x5a460000 0x10000>;
diff --git a/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts b/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts
index f8d416f7fd92..280a9c9d8bd9 100644
--- a/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts
@@ -359,6 +359,21 @@ &usdhc2 {
 	status = "okay";
 };
 
+&lpspi3 {
+	fsl,spi-num-chipselects = <1>;
+	fsl,spi-only-use-cs1-sel;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_lpspi3>;
+	pinctrl-assert-gpios = <&pca6416_1 7 GPIO_ACTIVE_HIGH>;
+	status = "okay";
+
+	spidev0: spi at 0 {
+		reg = <0>;
+		compatible = "rohm,dh2228fv";
+		spi-max-frequency = <30000000>;
+	};
+};
+
 &iomuxc {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_hog>;
-- 
2.34.1