linux-kernel - [PATCH 2/3] arm64: dts: axis: Add samsung,exynos8895-uart compatible for serial node

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Message-ID: <20250911141605.13034-3-ravi.patel@samsung.com>
Date: Thu, 11 Sep 2025 19:46:04 +0530
From: Ravi Patel <ravi.patel@...sung.com>
To: gregkh@...uxfoundation.org, jirislaby@...nel.org, robh@...nel.org,
	krzk+dt@...nel.org, conor+dt@...nel.org, jesper.nilsson@...s.com,
	lars.persson@...s.com, alim.akhtar@...sung.com, arnd@...nel.org,
	krzk@...nel.org
Cc: andriy.shevchenko@...ux.intel.com, geert+renesas@...der.be,
	thierry.bultel.yh@...renesas.com, dianders@...omium.org,
	robert.marko@...tura.hr, schnelle@...ux.ibm.com, kkartik@...dia.com,
	linux-kernel@...r.kernel.org, linux-serial@...r.kernel.org,
	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-samsung-soc@...r.kernel.org, linux-arm-kernel@...s.com,
	ksk4725@...sia.com, kenkim@...sia.com, smn1196@...sia.com,
	pjsin865@...sia.com, shradha.t@...sung.com, Ravi Patel
	<ravi.patel@...sung.com>
Subject: [PATCH 2/3] arm64: dts: axis: Add samsung,exynos8895-uart
 compatible for serial node

Add the samsung,exynos8895-uart compatible in the serial node
and also add samsung,uart-fifosize property.

This is to remove the axis,artpec8-uart specific code (which is
kind of duplicated) from the driver and use the other matching
exynos8895 uart code for ARTPEC-8.

Signed-off-by: Ravi Patel <ravi.patel@...sung.com>
---
 arch/arm64/boot/dts/exynos/axis/artpec8.dtsi | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/exynos/axis/artpec8.dtsi b/arch/arm64/boot/dts/exynos/axis/artpec8.dtsi
index db9833297982..0f018b258b60 100644
--- a/arch/arm64/boot/dts/exynos/axis/artpec8.dtsi
+++ b/arch/arm64/boot/dts/exynos/axis/artpec8.dtsi
@@ -223,7 +223,7 @@
 		};

 		serial_0: serial@...c0000 {
-			compatible = "axis,artpec8-uart";
+			compatible = "axis,artpec8-uart", "samsung,exynos8895-uart";
 			reg = <0x16cc0000 0x100>;
 			clocks = <&cmu_fsys CLK_GOUT_FSYS_UART0_PCLK>,
 				 <&cmu_fsys CLK_GOUT_FSYS_UART0_SCLK_UART>;
@@ -231,6 +231,7 @@
 			interrupts = <GIC_SPI 121 IRQ_TYPE_LEVEL_HIGH>;
 			pinctrl-names = "default";
 			pinctrl-0 = <&serial0_bus>;
+			samsung,uart-fifosize = <64>;
 		};
 	};

--
2.17.1