Re: [PATCH v2 2/4] arm64: dts: imx8dxl: add lpuart device in cm40 subsystem

Alexander Stein
2024-03-04T09:12:08Z

Hi Frank,

thanks for the update.

Am Samstag, 2. März 2024, 17:27:45 CET schrieb Frank Li:
> From: Alice Guo <alice.guo@nxp.com>
>
> Add lpuart device in cm40 subsystem.
>
> Signed-off-by: Alice Guo <alice.guo@nxp.com>
> Reviewed-by: Peng Fan <peng.fan@nxp.com>
> Signed-off-by: Frank Li <Frank.Li@nxp.com>

Reviewed-by: Alexander Stein <alexander.stein@ew.tq-group.com>

> ---
> arch/arm64/boot/dts/freescale/imx8-ss-cm40.dtsi | 24 ++++++++++++++++++++++++
> 1 file changed, 24 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx8-ss-cm40.dtsi b/arch/arm64/boot/dts/freescale/imx8-ss-cm40.dtsi
> index 68043ab74e765..b6af85b20ddd7 100644
> --- a/arch/arm64/boot/dts/freescale/imx8-ss-cm40.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8-ss-cm40.dtsi
> @@ -20,6 +20,18 @@ cm40_subsys: bus@34000000 {
> #size-cells = <1>;
> ranges = <0x34000000 0x0 0x34000000 0x4000000>;
>
> + cm40_lpuart: serial@37220000 {
> + compatible = "fsl,imx8qxp-lpuart";
> + reg = <0x37220000 0x1000>;
> + interrupts = <7 IRQ_TYPE_LEVEL_HIGH>;
> + 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_i2c: i2c@37230000 {
> compatible = "fsl,imx8qxp-lpi2c", "fsl,imx7ulp-lpi2c";
> reg = <0x37230000 0x1000>;
> @@ -53,6 +65,18 @@ cm40_intmux: intmux@37400000 {
> 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>;
> + };
> +
> cm40_i2c_lpcg: clock-controller@37630000 {
> compatible = "fsl,imx8qxp-lpcg";
> reg = <0x37630000 0x1000>;
>
>

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