linux-kernel - [PATCH v3 3/3] LoongArch: Update dts to support Loongson UART driver.

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Message-ID: <20240826024705.55474-4-zhenghaowei@loongson.cn>
Date: Mon, 26 Aug 2024 10:47:05 +0800
From: zhenghaowei@...ngson.cn
To: zhenghaowei@...ngson.cn,
	gregkh@...uxfoundation.org,
	jirislaby@...nel.org,
	robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	chenhuacai@...nel.org,
	kernel@...0n.name,
	p.zabel@...gutronix.de
Cc: linux-serial@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org,
	loongarch@...ts.linux.dev
Subject: [PATCH v3 3/3] LoongArch: Update dts to support Loongson UART driver.

From: Haowei Zheng <zhenghaowei@...ngson.cn>

Change to use the Loongson UART driver for Loongson-2K2000,
Loongson-2K1000 and Loongson-2K0500.

Signed-off-by: Haowei Zheng <zhenghaowei@...ngson.cn>
---
 arch/loongarch/boot/dts/loongson-2k0500.dtsi | 2 +-
 arch/loongarch/boot/dts/loongson-2k1000.dtsi | 2 +-
 arch/loongarch/boot/dts/loongson-2k2000.dtsi | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

Changes in V2:

- The compatible property for the UART is changed from "ns16650,loongson"

    to "loongson,ls7a-uart".

Changes in V3:

- Compatible has been modified for a specific SoC.

diff --git a/arch/loongarch/boot/dts/loongson-2k0500.dtsi b/arch/loongarch/boot/dts/loongson-2k0500.dtsi
index 3b38ff8853a7..63c77d70639c 100644
--- a/arch/loongarch/boot/dts/loongson-2k0500.dtsi
+++ b/arch/loongarch/boot/dts/loongson-2k0500.dtsi
@@ -220,7 +220,7 @@ tsensor: thermal-sensor@...11500 {
 		};
 
 		uart0: serial@...40800 {
-			compatible = "ns16550a";
+			compatible = "loongson,ls2k0500-uart", "loongson,ls7a-uart";
 			reg = <0x0 0x1ff40800 0x0 0x10>;
 			clock-frequency = <100000000>;
 			interrupt-parent = <&eiointc>;
diff --git a/arch/loongarch/boot/dts/loongson-2k1000.dtsi b/arch/loongarch/boot/dts/loongson-2k1000.dtsi
index 92180140eb56..cafb8d13c065 100644
--- a/arch/loongarch/boot/dts/loongson-2k1000.dtsi
+++ b/arch/loongarch/boot/dts/loongson-2k1000.dtsi
@@ -297,7 +297,7 @@ dma-controller@...00c40 {
 		};
 
 		uart0: serial@...20000 {
-			compatible = "ns16550a";
+			compatible = "loongson,ls2k1000-uart", "loongson,ls7a-uart";
 			reg = <0x0 0x1fe20000 0x0 0x10>;
 			clock-frequency = <125000000>;
 			interrupt-parent = <&liointc0>;
diff --git a/arch/loongarch/boot/dts/loongson-2k2000.dtsi b/arch/loongarch/boot/dts/loongson-2k2000.dtsi
index 0953c5707825..d4fe91af8c07 100644
--- a/arch/loongarch/boot/dts/loongson-2k2000.dtsi
+++ b/arch/loongarch/boot/dts/loongson-2k2000.dtsi
@@ -174,7 +174,7 @@ rtc0: rtc@...d0100 {
 		};
 
 		uart0: serial@...001e0 {
-			compatible = "ns16550a";
+			compatible = "loongson,ls2k2000-uart";
 			reg = <0x0 0x1fe001e0 0x0 0x10>;
 			clock-frequency = <100000000>;
 			interrupt-parent = <&liointc>;
-- 
2.43.0