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arm64: dts: apple: t8103: Add UART2

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This UART is connected to the debug port of the WLAN module. It is
mostly useless, but makes for a good test case for runtime-pm without
having to unbind the console from the main system UART.

Reviewed-by: Mark Kettenis <kettenis@openbsd.org>
Signed-off-by: Hector Martin <marcan@marcan.st>
This commit is contained in:
Hector Martin 2021-09-20 02:28:20 +09:00
parent 106ba3b48a
commit 2ba22cfeda
2 changed files with 17 additions and 0 deletions
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5
arch/arm64/boot/dts/apple/t8103-jxxx.dtsi
View File

@ -12,6 +12,7 @@
/ {
aliases {
serial0 = &serial0;
serial2 = &serial2;
};
chosen {
@ -39,6 +40,10 @@ &serial0 {
status = "okay";
};
&serial2 {
status = "okay";
};
&i2c0 {
hpm0: usb-pd@38 {
compatible = "apple,cd321x";

12
arch/arm64/boot/dts/apple/t8103.dtsi
View File

@ -194,6 +194,18 @@ serial0: serial@235200000 {
status = "disabled";
};
serial2: serial@235208000 {
compatible = "apple,s5l-uart";
reg = <0x2 0x35208000 0x0 0x1000>;
reg-io-width = <4>;
interrupt-parent = <&aic>;
interrupts = <AIC_IRQ 607 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&clk24>, <&clk24>;
clock-names = "uart", "clk_uart_baud0";
power-domains = <&ps_uart2>;
status = "disabled";
};
aic: interrupt-controller@23b100000 {
compatible = "apple,t8103-aic", "apple,aic";
#interrupt-cells = <3>;