From: Shenwei Wang <shenwei.wang@xxxxxxx>
[ Upstream commit ca50d7765587fe0a8351a6e8d9742cfd4811d925 ]
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: 35f4e9d7530f ("arm64: dts: imx8: split adma ss into dma and audio ss")
Signed-off-by: Shenwei Wang <shenwei.wang@xxxxxxx>
Reviewed-by: Fabio Estevam <festevam@xxxxxxxxx>
Signed-off-by: Shawn Guo <shawnguo@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
arch/arm64/boot/dts/freescale/imx8-ss-dma.dtsi | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx8-ss-dma.dtsi b/arch/arm64/boot/dts/freescale/imx8-ss-dma.dtsi
index 960a802b8b6ee..c33892711138f 100644
--- a/arch/arm64/boot/dts/freescale/imx8-ss-dma.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8-ss-dma.dtsi
@@ -26,6 +26,8 @@ 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";
};
@@ -36,6 +38,8 @@ 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";
};
@@ -46,6 +50,8 @@ 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";
};
@@ -56,6 +62,8 @@ 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";
};
--
2.39.2
