Thread (10 messages) 10 messages, 2 authors, 2024-08-26
STALE687d

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

From: <hidden>
Date: 2024-08-26 02:47:16
Also in: linux-serial, lkml, loongarch
Subsystem: loongarch, the rest · Maintainers: Huacai Chen, Linus Torvalds

From: Haowei Zheng <redacted>

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

Signed-off-by: Haowei Zheng <redacted>
---
 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@1fe11500 {
 		};
 
 		uart0: serial@1ff40800 {
-			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@1fe00c40 {
 		};
 
 		uart0: serial@1fe20000 {
-			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@100d0100 {
 		};
 
 		uart0: serial@1fe001e0 {
-			compatible = "ns16550a";
+			compatible = "loongson,ls2k2000-uart";
 			reg = <0x0 0x1fe001e0 0x0 0x10>;
 			clock-frequency = <100000000>;
 			interrupt-parent = <&liointc>;
-- 
2.43.0
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