From: Fugang Duan <fugang.duan@nxp.com>
Date: Wed, 12 Aug 2020 09:47:33 +0000 (+0800)
Subject: MLK-24486-01 arm64: dts: imx8qm: add lpuart4 node
X-Git-Tag: rel_imx_5.10.35_2.0.0-somdevices.0~577^2~2^2~371
X-Git-Url: https://git.somdevices.com/?a=commitdiff_plain;h=37ea492677a22231938375b9546a10125826be4a;p=linux.git

MLK-24486-01 arm64: dts: imx8qm: add lpuart4 node

Add lpuart4 node for i.MX8QM.

Signed-off-by: Fugang Duan <fugang.duan@nxp.com>
---

diff --git a/arch/arm64/boot/dts/freescale/imx8qm-ss-dma.dtsi b/arch/arm64/boot/dts/freescale/imx8qm-ss-dma.dtsi
index b9b364b0ecc8..4de4481eee18 100644
--- a/arch/arm64/boot/dts/freescale/imx8qm-ss-dma.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8qm-ss-dma.dtsi
@@ -5,6 +5,23 @@
  */
 
 &dma_subsys {
+	lpuart4: serial@5a0a0000 {
+		compatible = "fsl,imx8qm-lpuart", "fsl,imx8qxp-lpuart";
+		reg = <0x5a0a0000 0x1000>;
+		interrupts = <GIC_SPI 349 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-parent = <&gic>;
+		clocks = <&uart4_lpcg 1>, <&uart4_lpcg 0>;
+		clock-names = "ipg", "baud";
+		assigned-clocks = <&clk IMX_SC_R_UART_4 IMX_SC_PM_CLK_PER>;
+		assigned-clock-rates = <80000000>;
+		power-domains = <&pd IMX_SC_R_UART_4>;
+		power-domain-names = "uart";
+		dma-names = "tx","rx";
+		dmas = <&edma2 21 0 0>,
+		       <&edma2 20 0 1>;
+		status = "disabled";
+	};
+
 	uart4_lpcg: clock-controller@5a4a0000 {
 		compatible = "fsl,imx8qxp-lpcg";
 		reg = <0x5a4a0000 0x10000>;
@@ -135,17 +152,20 @@
 
 &lpuart1 {
 	compatible = "fsl,imx8qm-lpuart", "fsl,imx8qxp-lpuart";
-	power-domains = <&pd IMX_SC_R_UART_1>;
 	dmas = <&edma2 15 0 0>,
 	       <&edma2 14 0 1>;
 };
 
 &lpuart2 {
 	compatible = "fsl,imx8qm-lpuart", "fsl,imx8qxp-lpuart";
+	dmas = <&edma2 17 0 0>,
+	       <&edma2 16 0 1>;
 };
 
 &lpuart3 {
 	compatible = "fsl,imx8qm-lpuart", "fsl,imx8qxp-lpuart";
+	dmas = <&edma2 19 0 0>,
+	       <&edma2 18 0 1>;
 };
 
 &i2c0 {
diff --git a/arch/arm64/boot/dts/freescale/imx8qm.dtsi b/arch/arm64/boot/dts/freescale/imx8qm.dtsi
index 9cd0aa2a3a0f..0280fc6e1167 100755
--- a/arch/arm64/boot/dts/freescale/imx8qm.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8qm.dtsi
@@ -28,6 +28,7 @@
 		serial1 = &lpuart1;
 		serial2 = &lpuart2;
 		serial3 = &lpuart3;
+		serial4 = &lpuart4;
 		isi0 = &isi_0;
 		isi1 = &isi_1;
 		isi2 = &isi_2;