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* [PATCH] arm64: dts: imx8-ss-dma: assign default clock rate for lpuarts
@ 2023-05-24 19:20 ` Shenwei Wang
  0 siblings, 0 replies; 4+ messages in thread
From: Shenwei Wang @ 2023-05-24 19:20 UTC (permalink / raw)
  To: Rob Herring, Krzysztof Kozlowski, Conor Dooley, Shawn Guo, Sascha Hauer
  Cc: Pengutronix Kernel Team, Fabio Estevam, NXP Linux Team,
	devicetree, linux-arm-kernel, imx, Shenwei Wang

This patch adds 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.

Signed-off-by: Shenwei Wang <shenwei.wang@nxp.com>
---
 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 2dce8f2ee3ea..adb98a72bdfd 100644
--- a/arch/arm64/boot/dts/freescale/imx8-ss-dma.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8-ss-dma.dtsi
@@ -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";
 	};
-- 
2.34.1


^ permalink raw reply related	[flat|nested] 4+ messages in thread
* [PATCH] arm64: dts: imx8-ss-dma: assign default clock rate for lpuarts
@ 2023-05-24 19:20 ` Shenwei Wang
  0 siblings, 0 replies; 4+ messages in thread
From: Shenwei Wang @ 2023-05-24 19:20 UTC (permalink / raw)
  To: Rob Herring, Krzysztof Kozlowski, Conor Dooley, Shawn Guo, Sascha Hauer
  Cc: Pengutronix Kernel Team, Fabio Estevam, NXP Linux Team,
	devicetree, linux-arm-kernel, imx, Shenwei Wang

This patch adds 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.

Signed-off-by: Shenwei Wang <shenwei.wang@nxp.com>
---
 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 2dce8f2ee3ea..adb98a72bdfd 100644
--- a/arch/arm64/boot/dts/freescale/imx8-ss-dma.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8-ss-dma.dtsi
@@ -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";
 	};
-- 
2.34.1


_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

^ permalink raw reply related	[flat|nested] 4+ messages in thread
* Re: [PATCH] arm64: dts: imx8-ss-dma: assign default clock rate for lpuarts
  2023-05-24 19:20 ` Shenwei Wang
@ 2023-05-25 14:53   ` Fabio Estevam
  -1 siblings, 0 replies; 4+ messages in thread
From: Fabio Estevam @ 2023-05-25 14:53 UTC (permalink / raw)
  To: Shenwei Wang
  Cc: Rob Herring, Krzysztof Kozlowski, Conor Dooley, Shawn Guo,
	Sascha Hauer, Pengutronix Kernel Team, NXP Linux Team,
	devicetree, linux-arm-kernel, imx

On Wed, May 24, 2023 at 4:20 PM Shenwei Wang <shenwei.wang@nxp.com> wrote:
>
> This patch adds the assigned-clocks and assigned-clock-rates properties

Replace "This patch adds" with "Add".

> 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 tag?

^ permalink raw reply	[flat|nested] 4+ messages in thread
* Re: [PATCH] arm64: dts: imx8-ss-dma: assign default clock rate for lpuarts
@ 2023-05-25 14:53   ` Fabio Estevam
  0 siblings, 0 replies; 4+ messages in thread
From: Fabio Estevam @ 2023-05-25 14:53 UTC (permalink / raw)
  To: Shenwei Wang
  Cc: Rob Herring, Krzysztof Kozlowski, Conor Dooley, Shawn Guo,
	Sascha Hauer, Pengutronix Kernel Team, NXP Linux Team,
	devicetree, linux-arm-kernel, imx

On Wed, May 24, 2023 at 4:20 PM Shenwei Wang <shenwei.wang@nxp.com> wrote:
>
> This patch adds the assigned-clocks and assigned-clock-rates properties

Replace "This patch adds" with "Add".

> 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 tag?

_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

^ permalink raw reply	[flat|nested] 4+ messages in thread
end of thread, other threads:[~2023-05-25 14:54 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2023-05-24 19:20 [PATCH] arm64: dts: imx8-ss-dma: assign default clock rate for lpuarts Shenwei Wang
2023-05-24 19:20 ` Shenwei Wang
2023-05-25 14:53 ` Fabio Estevam
2023-05-25 14:53   ` Fabio Estevam

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