From: Alice Guo <alice.guo@nxp.com>

Adding 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>
---
 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>;
+		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>;
+	};
 };

-- 
2.34.1

Hi Frank,

thanks for the patch.

Am Mittwoch, 28. Februar 2024, 20:54:58 CET schrieb Frank Li:
> From: Alice Guo <alice.guo@nxp.com>
> 
> Adding 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>
> ---
>  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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On Wed, Feb 28, 2024 at 4:55 PM Frank Li <Frank.Li@nxp.com> wrote:
>
> From: Alice Guo <alice.guo@nxp.com>
>
> Adding lpuart device in cm40 subsystem.

Don't start a commit log with "Adding". Use "Add" instead.