From: Denzeel Oliva <wachiturroxd150@gmail.com>
To: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org,
alim.akhtar@samsung.com, devicetree@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: Denzeel Oliva <wachiturroxd150@gmail.com>
Subject: [PATCH v1] arm64: dts: exynos: r8s: enable UART interfaces and aliases
Date: Thu, 13 Feb 2025 00:02:26 +0000 [thread overview]
Message-ID: <20250213000226.277-1-wachiturroxd150@gmail.com> (raw)
- 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
next reply other threads:[~2025-02-13 0:03 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-02-13 0:02 Denzeel Oliva [this message]
2025-02-13 17:22 ` Rob Herring (Arm)
2025-02-13 19:00 ` kernel test robot
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