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 b9b364b..4de4481 100644 (file)
--- 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 9cd0aa2..0280fc6 100755 (executable)
--- 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;