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Wed, 12 Feb 2025 16:02:44 -0800 (PST) Received: from localhost.localdomain ([38.44.237.182]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-7324273e4a0sm28014b3a.120.2025.02.12.16.02.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 12 Feb 2025 16:02:44 -0800 (PST) From: Denzeel Oliva 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 Subject: [PATCH v1] arm64: dts: exynos: r8s: enable UART interfaces and aliases Date: Thu, 13 Feb 2025 00:02:26 +0000 Message-Id: <20250213000226.277-1-wachiturroxd150@gmail.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-samsung-soc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 - 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 --- 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 = ; }; }; + +&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"; +};