[PATCH v3 11/11] arm64: dts: apple: t8103: Add UART2
From: Hector Martin <hidden>
Date: 2021-11-24 07:47:16
Also in:
linux-arm-kernel, linux-devicetree, 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. Reviewed-by: Mark Kettenis <redacted> 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 33a80f9501dc..86ea1b0a6cc8 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; ethernet0 = ðernet0; };
@@ -45,6 +46,10 @@ &serial0 { status = "okay"; }; +&serial2 { + status = "okay"; +}; + /* * Force the bus number assignments so that we can declare some of the * on-board devices and properties that are populated by the bootloader
diff --git a/arch/arm64/boot/dts/apple/t8103.dtsi b/arch/arm64/boot/dts/apple/t8103.dtsi
index 0487ac64fca3..26b5d68a5c7b 100644
--- a/arch/arm64/boot/dts/apple/t8103.dtsi
+++ b/arch/arm64/boot/dts/apple/t8103.dtsi@@ -127,6 +127,18 @@ 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>;
--
2.33.0