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dts: mtmips: enable high-speed UART support for mt7628

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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 <sr@denx.de>
Signed-off-by: Weijie Gao <weijie.gao@mediatek.com>
This commit is contained in:
Weijie Gao 2019-09-25 17:45:20 +08:00 committed by Daniel Schwierzeck
parent d1d8814458
commit 5fcea8d3f9
1 changed files with 3 additions and 3 deletions
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6
arch/mips/dts/mt7628a.dtsi
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@ -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>;