From 2ba22cfeda44566aeb333f519ade0633e405aade Mon Sep 17 00:00:00 2001
From: Hector Martin <marcan@marcan.st>
Date: Mon, 20 Sep 2021 02:28:20 +0900
Subject: [PATCH] arm64: dts: apple: t8103: Add UART2
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-jxxx.dtsi | 5 +++++
arch/arm64/boot/dts/apple/t8103.dtsi | 12 ++++++++++++
2 files changed, 17 insertions(+)
diff --git a/arch/arm64/boot/dts/apple/t8103-jxxx.dtsi b/arch/arm64/boot/dts/apple/t8103-jxxx.dtsi
index 876278fe0afe6..e11d5def94b4d 100644
--- a/arch/arm64/boot/dts/apple/t8103-jxxx.dtsi
+++ b/arch/arm64/boot/dts/apple/t8103-jxxx.dtsi
@@ -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";
diff --git a/arch/arm64/boot/dts/apple/t8103.dtsi b/arch/arm64/boot/dts/apple/t8103.dtsi
index 1055a38ed299e..15ee8c8c5fa09 100644
--- a/arch/arm64/boot/dts/apple/t8103.dtsi
+++ b/arch/arm64/boot/dts/apple/t8103.dtsi
@@ -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>;
--
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