* [PATCH mvebu-dt] ARM: dts: armada-38x: Add generic compatible to UART nodes
@ 2021-11-09 16:46 Marek Behún
2021-12-17 17:38 ` Pali Rohár
0 siblings, 1 reply; 2+ messages in thread
From: Marek Behún @ 2021-11-09 16:46 UTC (permalink / raw)
To: Gregory Clement; +Cc: linux-arm-kernel, Marek Behún, Pali Rohár
Add generic compatible string "ns16550a" to serial port nodes of Armada
38x.
This makes it possible to use earlycon.
Fixes: 0d3d96ab0059 ("ARM: mvebu: add Device Tree description of the Armada 380/385 SoCs")
Signed-off-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Marek Behún <kabel@kernel.org>
---
arch/arm/boot/dts/armada-38x.dtsi | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/arm/boot/dts/armada-38x.dtsi b/arch/arm/boot/dts/armada-38x.dtsi
index 9b1a24cc5e91..df3c8d1d8f64 100644
--- a/arch/arm/boot/dts/armada-38x.dtsi
+++ b/arch/arm/boot/dts/armada-38x.dtsi
@@ -168,7 +168,7 @@ i2c1: i2c@11100 {
};
uart0: serial@12000 {
- compatible = "marvell,armada-38x-uart";
+ compatible = "marvell,armada-38x-uart", "ns16550a";
reg = <0x12000 0x100>;
reg-shift = <2>;
interrupts = <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>;
@@ -178,7 +178,7 @@ uart0: serial@12000 {
};
uart1: serial@12100 {
- compatible = "marvell,armada-38x-uart";
+ compatible = "marvell,armada-38x-uart", "ns16550a";
reg = <0x12100 0x100>;
reg-shift = <2>;
interrupts = <GIC_SPI 13 IRQ_TYPE_LEVEL_HIGH>;
--
2.32.0
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^ permalink raw reply related [flat|nested] 2+ messages in thread* Re: [PATCH mvebu-dt] ARM: dts: armada-38x: Add generic compatible to UART nodes
2021-11-09 16:46 [PATCH mvebu-dt] ARM: dts: armada-38x: Add generic compatible to UART nodes Marek Behún
@ 2021-12-17 17:38 ` Pali Rohár
0 siblings, 0 replies; 2+ messages in thread
From: Pali Rohár @ 2021-12-17 17:38 UTC (permalink / raw)
To: Gregory Clement; +Cc: Marek Behún, linux-arm-kernel
Hello Gregory, could you look at this patch too?
With this change earlycon starts working on Armada 385.
On Tuesday 09 November 2021 17:46:04 Marek Behún wrote:
> Add generic compatible string "ns16550a" to serial port nodes of Armada
> 38x.
>
> This makes it possible to use earlycon.
>
> Fixes: 0d3d96ab0059 ("ARM: mvebu: add Device Tree description of the Armada 380/385 SoCs")
> Signed-off-by: Pali Rohár <pali@kernel.org>
> Signed-off-by: Marek Behún <kabel@kernel.org>
> ---
> arch/arm/boot/dts/armada-38x.dtsi | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/arch/arm/boot/dts/armada-38x.dtsi b/arch/arm/boot/dts/armada-38x.dtsi
> index 9b1a24cc5e91..df3c8d1d8f64 100644
> --- a/arch/arm/boot/dts/armada-38x.dtsi
> +++ b/arch/arm/boot/dts/armada-38x.dtsi
> @@ -168,7 +168,7 @@ i2c1: i2c@11100 {
> };
>
> uart0: serial@12000 {
> - compatible = "marvell,armada-38x-uart";
> + compatible = "marvell,armada-38x-uart", "ns16550a";
> reg = <0x12000 0x100>;
> reg-shift = <2>;
> interrupts = <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>;
> @@ -178,7 +178,7 @@ uart0: serial@12000 {
> };
>
> uart1: serial@12100 {
> - compatible = "marvell,armada-38x-uart";
> + compatible = "marvell,armada-38x-uart", "ns16550a";
> reg = <0x12100 0x100>;
> reg-shift = <2>;
> interrupts = <GIC_SPI 13 IRQ_TYPE_LEVEL_HIGH>;
> --
> 2.32.0
>
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2021-11-09 16:46 [PATCH mvebu-dt] ARM: dts: armada-38x: Add generic compatible to UART nodes Marek Behún
2021-12-17 17:38 ` Pali Rohár
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