LoongArch: dts: Add uart new compatible string

Add loongson,ls2k*-uart compatible string on uarts.

Co-developed-by: Haowei Zheng <zhenghaowei@loongson.cn>
Signed-off-by: Haowei Zheng <zhenghaowei@loongson.cn>
Signed-off-by: Binbin Zhou <zhoubinbin@loongson.cn>
Reviewed-by: Huacai Chen <chenhuacai@loongson.cn>
Link: https://patch.msgid.link/8e0c08459fa5bddefd898648fea28a9f2fde701a.1760166651.git.zhoubinbin@loongson.cn
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/arch/loongarch/boot/dts/loongson-2k0500.dtsi b/arch/loongarch/boot/dts/loongson-2k0500.dtsi
index 588ebc3bded40f16f4b0794969dc85b10727ff1b..357de4ca75550d381a29f19eb2627f5e21209cbb 100644 (file)
--- a/arch/loongarch/boot/dts/loongson-2k0500.dtsi
+++ b/arch/loongarch/boot/dts/loongson-2k0500.dtsi
@@ -380,7 +380,7 @@
                };
 
                uart0: serial@1ff40800 {
-                       compatible = "ns16550a";
+                       compatible = "loongson,ls2k0500-uart", "ns16550a";
                        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 d8e01e2534dde1098ce28724fe79c00411dcd4b7..60ab425f793fe3108389dce7481cd94cfb97d374 100644 (file)
--- a/arch/loongarch/boot/dts/loongson-2k1000.dtsi
+++ b/arch/loongarch/boot/dts/loongson-2k1000.dtsi
@@ -297,7 +297,7 @@
                };
 
                uart0: serial@1fe20000 {
-                       compatible = "ns16550a";
+                       compatible = "loongson,ls2k1000-uart", "loongson,ls2k0500-uart", "ns16550a";
                        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 00cc485b753b1cc421e5627580981c4613854071..6c77b86ee06c8418b1e5edc23fe18894b7ca192c 100644 (file)
--- a/arch/loongarch/boot/dts/loongson-2k2000.dtsi
+++ b/arch/loongarch/boot/dts/loongson-2k2000.dtsi
@@ -250,7 +250,7 @@
                };
 
                uart0: serial@1fe001e0 {
-                       compatible = "ns16550a";
+                       compatible = "loongson,ls2k2000-uart", "loongson,ls2k1500-uart", "ns16550a";
                        reg = <0x0 0x1fe001e0 0x0 0x10>;
                        clock-frequency = <100000000>;
                        interrupt-parent = <&liointc>;