From: Marek Behún kabel@kernel.org
stable inclusion from stable-v5.10.94 commit 86b0122d2682ab3af934a8648110e251f62ce6c9 bugzilla: https://gitee.com/openeuler/kernel/issues/I531X9
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...
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[ Upstream commit 62480772263ab6b52e758f2346c70a526abd1d28 ]
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 Signed-off-by: Gregory CLEMENT gregory.clement@bootlin.com Signed-off-by: Sasha Levin sashal@kernel.org Signed-off-by: Zheng Zengkai zhengzengkai@huawei.com Acked-by: Xie XiuQi xiexiuqi@huawei.com --- 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 @@ };
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 @@ };
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>;