diff mbox series

[v2,8/8] arm64: dts: apple: t8103: Add UART2

Message ID 20211025144718.157794-9-marcan@marcan.st (mailing list archive)
State Not Applicable
Headers show
Series Apple SoC PMGR device power states driver | expand

Commit Message

Hector Martin Oct. 25, 2021, 2:47 p.m. UTC 
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>
---
 arch/arm64/boot/dts/apple/t8103-j274.dts |  5 +++++
 arch/arm64/boot/dts/apple/t8103.dtsi     | 12 ++++++++++++
 2 files changed, 17 insertions(+)
diff mbox series

Patch

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 1d0fac1747c7..92f938a1ad3b 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>;