All three UARTs of mt7628 are actually MediaTek's high-speed UARTs which
support baudrate up to 921600.
The high-speed UART is compatible with ns16550 when baudrate <= 115200.
Add compatible string to dtsi file so u-boot can use it when serial_mtk
driver is built in.
Reviewed-by: Stefan Roese <s...@denx.de>
Signed-off-by: Weijie Gao <weijie....@mediatek.com>
---
arch/mips/dts/mt7628a.dtsi | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/arch/mips/dts/mt7628a.dtsi b/arch/mips/dts/mt7628a.dtsi
index 6bc0722b07..e9241a0737 100644
--- a/arch/mips/dts/mt7628a.dtsi
+++ b/arch/mips/dts/mt7628a.dtsi
@@ -124,7 +124,7 @@
};
uart0: uartlite@c00 {
- compatible = "ns16550a";
+ compatible = "mediatek,hsuart", "ns16550a";
reg = <0xc00 0x100>;
clock-frequency = <40000000>;
@@ -139,7 +139,7 @@
};
uart1: uart1@d00 {
- compatible = "ns16550a";
+ compatible = "mediatek,hsuart", "ns16550a";
reg = <0xd00 0x100>;
clock-frequency = <40000000>;
@@ -154,7 +154,7 @@
};
uart2: uart2@e00 {
- compatible = "ns16550a";
+ compatible = "mediatek,hsuart", "ns16550a";
reg = <0xe00 0x100>;
clock-frequency = <40000000>;
--
2.17.1
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