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* [PATCH v1] arm64: dts: exynos: r8s: enable UART interfaces and aliases
@ 2025-02-13  0:02 Denzeel Oliva
  2025-02-13 17:22 ` Rob Herring (Arm)
  2025-02-13 19:00 ` kernel test robot
  0 siblings, 2 replies; 3+ messages in thread
From: Denzeel Oliva @ 2025-02-13  0:02 UTC (permalink / raw)
  To: robh, krzk+dt, conor+dt, alim.akhtar, devicetree,
	linux-arm-kernel, linux-samsung-soc, linux-kernel
  Cc: Denzeel Oliva

 - usi_uart: Main UART interface, required for debugging or
   communication.
 - usi_bt_uart: UART interface for Bluetooth connectivity.
 - Added serial0 and serial1 aliases for standard UART access.

Signed-off-by: Denzeel Oliva <wachiturroxd150@gmail.com>
---
 arch/arm64/boot/dts/exynos/exynos990-r8s.dts | 23 ++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/arch/arm64/boot/dts/exynos/exynos990-r8s.dts b/arch/arm64/boot/dts/exynos/exynos990-r8s.dts
index 6bae3c0ec..049b40af2 100644
--- a/arch/arm64/boot/dts/exynos/exynos990-r8s.dts
+++ b/arch/arm64/boot/dts/exynos/exynos990-r8s.dts
@@ -18,6 +18,11 @@ / {
 	#address-cells = <2>;
 	#size-cells = <2>;
 
+	aliases {
+		serial0 = &serial_0;
+		serial1 = &serial_1;
+	};
+
 	chosen {
 		#address-cells = <2>;
 		#size-cells = <2>;
@@ -113,3 +118,21 @@ key_volup: key-volup-pins {
 		samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV1>;
 	};
 };
+
+&usi_uart {
+	samsung,clkreq-on; /* needed for UART mode */
+	status = "okay";
+};
+
+&serial_0 {
+	status = "okay";
+};
+
+&usi_bt_uart {
+	samsung,clkreq-on; /* needed for UART mode */
+	status = "okay";
+};
+
+&serial_1 {
+	status = "okay";
+};
-- 
2.48.1



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2025-02-13  0:02 [PATCH v1] arm64: dts: exynos: r8s: enable UART interfaces and aliases Denzeel Oliva
2025-02-13 17:22 ` Rob Herring (Arm)
2025-02-13 19:00 ` kernel test robot

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