[PATCH 7/7] arm64: dts: apple: t8103: Add UART2
From: Hector Martin <hidden>
Date: 2021-10-05 16:00:29
Also in:
linux-arm-kernel, linux-pm, linux-samsung-soc, linux-serial, lkml
Subsystem:
arm/apple machine support, the rest · Maintainers:
Sven Peter, Janne Grunau, Linus Torvalds
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. Signed-off-by: Hector Martin <redacted> --- arch/arm64/boot/dts/apple/t8103-j274.dts | 5 +++++ arch/arm64/boot/dts/apple/t8103.dtsi | 12 ++++++++++++ 2 files changed, 17 insertions(+)
diff --git a/arch/arm64/boot/dts/apple/t8103-j274.dts b/arch/arm64/boot/dts/apple/t8103-j274.dts
index e0f6775b9878..16c5eb7f53b1 100644
--- a/arch/arm64/boot/dts/apple/t8103-j274.dts
+++ b/arch/arm64/boot/dts/apple/t8103-j274.dts@@ -17,6 +17,7 @@ / { aliases { serial0 = &serial0; + serial2 = &serial2; }; chosen {
@@ -43,3 +44,7 @@ memory@800000000 { &serial0 { status = "okay"; }; + +&serial2 { + status = "okay"; +};
diff --git a/arch/arm64/boot/dts/apple/t8103.dtsi b/arch/arm64/boot/dts/apple/t8103.dtsi
index 63056ddc7ef7..844ed7bd0451 100644
--- a/arch/arm64/boot/dts/apple/t8103.dtsi
+++ b/arch/arm64/boot/dts/apple/t8103.dtsi@@ -126,6 +126,18 @@ 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 = <&clkref>, <&clkref>; + 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>;
--
2.33.0