* [PATCH 1/1] arm64: dts: lx2160a: Fix DTS for full PL011 UART
@ 2024-02-06 23:15 Frank Li
2024-02-23 6:51 ` Shawn Guo
0 siblings, 1 reply; 2+ messages in thread
From: Frank Li @ 2024-02-06 23:15 UTC (permalink / raw)
To: Shawn Guo, Li Yang, Rob Herring, Krzysztof Kozlowski,
Conor Dooley,
moderated list:ARM/FREESCALE LAYERSCAPE ARM ARCHITECTURE,
open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS,
open list
Cc: imx
From: Heinz Wrobel <Heinz.Wrobel@nxp.com>
The prior configuration was an SBSA UART that can't be configured or
modified, or even enabled if it isn't the boot console. With properly
defined clocks, the PL011 configuration can be used.
Signed-off-by: Heinz Wrobel <Heinz.Wrobel@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
---
.../arm64/boot/dts/freescale/fsl-lx2160a.dtsi | 32 ++++++++++++++-----
1 file changed, 24 insertions(+), 8 deletions(-)
diff --git a/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi b/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi
index 6640b49670ae5..e665c629e1a1f 100644
--- a/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi
@@ -949,34 +949,50 @@ QORIQ_CLK_PLL_DIV(8)>,
};
uart0: serial@21c0000 {
- compatible = "arm,sbsa-uart","arm,pl011";
+ compatible = "arm,pl011", "arm,primecell";
+ clocks = <&clockgen QORIQ_CLK_PLATFORM_PLL
+ QORIQ_CLK_PLL_DIV(8)>,
+ <&clockgen QORIQ_CLK_PLATFORM_PLL
+ QORIQ_CLK_PLL_DIV(8)>;
+ clock-names = "uartclk", "apb_pclk";
reg = <0x0 0x21c0000 0x0 0x1000>;
interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
- current-speed = <115200>;
status = "disabled";
};
uart1: serial@21d0000 {
- compatible = "arm,sbsa-uart","arm,pl011";
+ compatible = "arm,pl011", "arm,primecell";
+ clocks = <&clockgen QORIQ_CLK_PLATFORM_PLL
+ QORIQ_CLK_PLL_DIV(8)>,
+ <&clockgen QORIQ_CLK_PLATFORM_PLL
+ QORIQ_CLK_PLL_DIV(8)>;
+ clock-names = "uartclk", "apb_pclk";
reg = <0x0 0x21d0000 0x0 0x1000>;
interrupts = <GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>;
- current-speed = <115200>;
status = "disabled";
};
uart2: serial@21e0000 {
- compatible = "arm,sbsa-uart","arm,pl011";
+ compatible = "arm,pl011", "arm,primecell";
+ clocks = <&clockgen QORIQ_CLK_PLATFORM_PLL
+ QORIQ_CLK_PLL_DIV(8)>,
+ <&clockgen QORIQ_CLK_PLATFORM_PLL
+ QORIQ_CLK_PLL_DIV(8)>;
+ clock-names = "uartclk", "apb_pclk";
reg = <0x0 0x21e0000 0x0 0x1000>;
interrupts = <GIC_SPI 72 IRQ_TYPE_LEVEL_HIGH>;
- current-speed = <115200>;
status = "disabled";
};
uart3: serial@21f0000 {
- compatible = "arm,sbsa-uart","arm,pl011";
+ compatible = "arm,pl011", "arm,primecell";
+ clocks = <&clockgen QORIQ_CLK_PLATFORM_PLL
+ QORIQ_CLK_PLL_DIV(8)>,
+ <&clockgen QORIQ_CLK_PLATFORM_PLL
+ QORIQ_CLK_PLL_DIV(8)>;
+ clock-names = "uartclk", "apb_pclk";
reg = <0x0 0x21f0000 0x0 0x1000>;
interrupts = <GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH>;
- current-speed = <115200>;
status = "disabled";
};
--
2.34.1
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^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH 1/1] arm64: dts: lx2160a: Fix DTS for full PL011 UART
2024-02-06 23:15 [PATCH 1/1] arm64: dts: lx2160a: Fix DTS for full PL011 UART Frank Li
@ 2024-02-23 6:51 ` Shawn Guo
0 siblings, 0 replies; 2+ messages in thread
From: Shawn Guo @ 2024-02-23 6:51 UTC (permalink / raw)
To: Frank Li
Cc: Shawn Guo, Li Yang, Rob Herring, Krzysztof Kozlowski,
Conor Dooley,
moderated list:ARM/FREESCALE LAYERSCAPE ARM ARCHITECTURE,
open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS,
open list, imx
On Tue, Feb 06, 2024 at 06:15:21PM -0500, Frank Li wrote:
> From: Heinz Wrobel <Heinz.Wrobel@nxp.com>
>
> The prior configuration was an SBSA UART that can't be configured or
> modified, or even enabled if it isn't the boot console. With properly
> defined clocks, the PL011 configuration can be used.
>
> Signed-off-by: Heinz Wrobel <Heinz.Wrobel@nxp.com>
> Signed-off-by: Li Yang <leoyang.li@nxp.com>
> Signed-off-by: Frank Li <Frank.Li@nxp.com>
Applied, thanks!
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linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
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