Hi Frank,
thanks for the patch.
Am Mittwoch, 28. Februar 2024, 20:54:58 CET schrieb Frank Li:
> From: Alice Guo <alice.guo@xxxxxxx>
>
> Adding lpuart device in cm40 subsystem.
>
> Signed-off-by: Alice Guo <alice.guo@xxxxxxx>
> Reviewed-by: Peng Fan <peng.fan@xxxxxxx>
> Signed-off-by: Frank Li <Frank.Li@xxxxxxx>
> ---
> arch/arm64/boot/dts/freescale/imx8-ss-cm40.dtsi | 25 +++++++++++++++++++++++++
> 1 file changed, 25 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx8-ss-cm40.dtsi b/arch/arm64/boot/dts/freescale/imx8-ss-cm40.dtsi
> index b1d626862ddf8..ecca5ada224b7 100644
> --- a/arch/arm64/boot/dts/freescale/imx8-ss-cm40.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8-ss-cm40.dtsi
> @@ -64,4 +64,29 @@ cm40_intmux: intmux@37400000 {
> power-domains = <&pd IMX_SC_R_M4_0_INTMUX>;
> status = "disabled";
> };
> +
> + cm40_lpuart: serial@37220000 {
> + compatible = "fsl,imx8qxp-lpuart";
> + reg = <0x37220000 0x1000>;
> + interrupts = <7 IRQ_TYPE_LEVEL_HIGH>;
> + interrupt-parent = <&cm40_intmux>;
With interrupt-parent set in Patch 1 for the whole subsystem, this line
is not needed anymore.
Best regards,
Alexander
> + clocks = <&cm40_uart_lpcg 1>, <&cm40_uart_lpcg 0>;
> + clock-names = "ipg", "baud";
> + assigned-clocks = <&clk IMX_SC_R_M4_0_UART IMX_SC_PM_CLK_PER>;
> + assigned-clock-rates = <24000000>;
> + power-domains = <&pd IMX_SC_R_M4_0_UART>;
> + status = "disabled";
> + };
> +
> + cm40_uart_lpcg: clock-controller@37620000 {
> + compatible = "fsl,imx8qxp-lpcg";
> + reg = <0x37620000 0x1000>;
> + #clock-cells = <1>;
> + clocks = <&clk IMX_SC_R_M4_0_UART IMX_SC_PM_CLK_PER>,
> + <&cm40_ipg_clk>;
> + clock-indices = <IMX_LPCG_CLK_0>, <IMX_LPCG_CLK_1>;
> + clock-output-names = "cm40_lpcg_uart_clk",
> + "cm40_lpcg_uart_ipg_clk";
> + power-domains = <&pd IMX_SC_R_M4_0_UART>;
> + };
> };
>
>
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