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arm64: dts: imx8-ss-dma: assign default clock rate for lpuarts

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Add the assigned-clocks and assigned-clock-rates properties for the
LPUARTx nodes. Without these properties, the default clock rate
used would be 0, which can cause the UART ports to fail when open.

Fixes: 35f4e9d753 ("arm64: dts: imx8: split adma ss into dma and audio ss")
Signed-off-by: Shenwei Wang <shenwei.wang@nxp.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Shenwei Wang 2023-05-26 10:38:54 -05:00 committed by Shawn Guo
parent 2b28fc688c
commit ca50d77655
1 changed files with 8 additions and 0 deletions
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8
arch/arm64/boot/dts/freescale/imx8-ss-dma.dtsi
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@ -90,6 +90,8 @@ lpuart0: serial@5a060000 {
clocks = <&uart0_lpcg IMX_LPCG_CLK_4>,
<&uart0_lpcg IMX_LPCG_CLK_0>;
clock-names = "ipg", "baud";
assigned-clocks = <&clk IMX_SC_R_UART_0 IMX_SC_PM_CLK_PER>;
assigned-clock-rates = <80000000>;
power-domains = <&pd IMX_SC_R_UART_0>;
status = "disabled";
};
@ -100,6 +102,8 @@ lpuart1: serial@5a070000 {
clocks = <&uart1_lpcg IMX_LPCG_CLK_4>,
<&uart1_lpcg IMX_LPCG_CLK_0>;
clock-names = "ipg", "baud";
assigned-clocks = <&clk IMX_SC_R_UART_1 IMX_SC_PM_CLK_PER>;
assigned-clock-rates = <80000000>;
power-domains = <&pd IMX_SC_R_UART_1>;
status = "disabled";
};
@ -110,6 +114,8 @@ lpuart2: serial@5a080000 {
clocks = <&uart2_lpcg IMX_LPCG_CLK_4>,
<&uart2_lpcg IMX_LPCG_CLK_0>;
clock-names = "ipg", "baud";
assigned-clocks = <&clk IMX_SC_R_UART_2 IMX_SC_PM_CLK_PER>;
assigned-clock-rates = <80000000>;
power-domains = <&pd IMX_SC_R_UART_2>;
status = "disabled";
};
@ -120,6 +126,8 @@ lpuart3: serial@5a090000 {
clocks = <&uart3_lpcg IMX_LPCG_CLK_4>,
<&uart3_lpcg IMX_LPCG_CLK_0>;
clock-names = "ipg", "baud";
assigned-clocks = <&clk IMX_SC_R_UART_3 IMX_SC_PM_CLK_PER>;
assigned-clock-rates = <80000000>;
power-domains = <&pd IMX_SC_R_UART_3>;
status = "disabled";
};