[PATCH] arm64: dts: imx8qxp: Add lpuart1/lpuart2/lpuart3 nodes

Daniel Baluta
2019-03-30T17:07:50Z

lpuart nodes are part of the ADMA subsystem. See Audio DMA
memory map in iMX8 QXP RM [1]

This patch is based on the dtsi file initially submitted by
Teo Hall in i.MX NXP internal tree.

[1] https://www.nxp.com/docs/en/reference-manual/IMX8DQXPRM.pdf

Signed-off-by: Teo Hall <teo.hall@nxp.com>
Signed-off-by: Daniel Baluta <daniel.baluta@nxp.com>
---
arch/arm64/boot/dts/freescale/imx8qxp.dtsi | 33 ++++++++++++++++++++++
1 file changed, 33 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
index 0cb939861a60..1adfe15c2ea5 100644
--- a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
@@ -193,6 +193,39 @@
status = "disabled";
};

+ adma_lpuart1: serial@5a070000 {
+ compatible = "fsl,imx8qxp-lpuart", "fsl,imx7ulp-lpuart";
+ reg = <0x5a070000 0x1000>;
+ interrupts = <GIC_SPI 226 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-parent = <&gic>;
+ clocks = <&adma_lpcg IMX_ADMA_LPCG_UART1_BAUD_CLK>;
+ clock-names = "ipg";
+ power-domains = <&pd IMX_SC_R_UART_1>;
+ status = "disabled";
+ };
+
+ adma_lpuart2: serial@5a080000 {
+ compatible = "fsl,imx8qxp-lpuart", "fsl,imx7ulp-lpuart";
+ reg = <0x5a080000 0x1000>;
+ interrupts = <GIC_SPI 227 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-parent = <&gic>;
+ clocks = <&adma_lpcg IMX_ADMA_LPCG_UART2_BAUD_CLK>;
+ clock-names = "ipg";
+ power-domains = <&pd IMX_SC_R_UART_2>;
+ status = "disabled";
+ }
+
+ adma_lpuart3: serial@5a090000 {
+ compatible = "fsl,imx8qxp-lpuart", "fsl,imx7ulp-lpuart";
+ reg = <0x5a090000 0x1000>;
+ interrupts = <GIC_SPI 228 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-parent = <&gic>;
+ clocks = <&adma_lpcg IMX_ADMA_LPCG_UART3_BAUD_CLK>;
+ clock-names = "ipg";
+ power-domains = <&pd IMX_SC_R_UART_3>;
+ status = "disabled";
+ }
+
adma_i2c0: i2c@5a800000 {
compatible = "fsl,imx8qxp-lpi2c", "fsl,imx7ulp-lpi2c";
reg = <0x5a800000 0x4000>;
--
2.17.1