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>; + 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