Il 07/03/24 20:04, Justin Swartz ha scritto:
Add serial1 and serial2 nodes to define the existence of
the MT7621's second and third UARTs.
Signed-off-by: Justin Swartz <justin.swartz@xxxxxxxxxxxxxxxx>
---
arch/mips/boot/dts/ralink/mt7621.dtsi | 28 +++++++++++++++++++++++++++
1 file changed, 28 insertions(+)
diff --git a/arch/mips/boot/dts/ralink/mt7621.dtsi b/arch/mips/boot/dts/ralink/mt7621.dtsi
index 3ad4e2343..5a89f0b8c 100644
--- a/arch/mips/boot/dts/ralink/mt7621.dtsi
+++ b/arch/mips/boot/dts/ralink/mt7621.dtsi
@@ -124,6 +124,34 @@ serial0: serial@c00 {
pinctrl-0 = <&uart1_pins>;
};
+ serial1: serial@d00 {
+ compatible = "ns16550a";
+ reg = <0xd00 0x100>;
+ reg-io-width = <4>;
+ reg-shift = <2>;
+ clocks = <&sysc MT7621_CLK_UART2>;
+ interrupt-parent = <&gic>;
+ interrupts = <GIC_SHARED 27 IRQ_TYPE_LEVEL_HIGH>;
+ no-loopback-test;
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart2_pins>;
As already commented on patch [1/3], pin muxing is board specific. Please remove.
Also, is there any reason why you can't simply use the `interrupts-extended`
property instead of interrupt-parent and interrupts?
Regards,
Angelo
