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

Aisheng Dong
2019-03-31T11:20:56Z

> From: Daniel Baluta
> Sent: Sunday, March 31, 2019 1:08 AM
>
> 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>

Reviewed-by: Dong Aisheng <aisheng.dong@nxp.com>

Regards
Dong Aisheng

> ---
> 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