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[93.144.65.244]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-4601f3444fesm8361306f8f.20.2026.06.03.06.12.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 03 Jun 2026 06:12:58 -0700 (PDT) From: Stefano Radaelli X-Google-Original-From: Stefano Radaelli To: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org Cc: pierluigi.p@variscite.com, Stefano Radaelli , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Frank Li , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam Subject: [PATCH v2 05/12] arm64: dts: imx8mp-var-som-symphony: enable header UARTs Date: Wed, 3 Jun 2026 15:12:43 +0200 Message-ID: <52dc9b387d337c646718378306e76a1bb70616e2.1780492180.git.stefano.r@variscite.com> X-Mailer: git-send-email 2.47.3 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Stefano Radaelli Enable UART1 and UART4 on the Symphony carrier board and add the corresponding pinctrl configurations. Signed-off-by: Stefano Radaelli --- v1->v2: - .../dts/freescale/imx8mp-var-som-symphony.dts | 28 +++++++++++++++++++ 1 file changed, 28 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8mp-var-som-symphony.dts b/arch/arm64/boot/dts/freescale/imx8mp-var-som-symphony.dts index b15ca44b9a92..9500c9bf0f42 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp-var-som-symphony.dts +++ b/arch/arm64/boot/dts/freescale/imx8mp-var-som-symphony.dts @@ -154,6 +154,13 @@ &snvs_rtc { status = "disabled"; }; +/* Header UART */ +&uart1 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_uart1>; + status = "okay"; +}; + /* Console */ &uart2 { pinctrl-names = "default"; @@ -161,6 +168,13 @@ &uart2 { status = "okay"; }; +/* Header UART */ +&uart4 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_uart4>; + status = "okay"; +}; + &usb3_0 { status = "okay"; }; @@ -261,6 +275,13 @@ MX8MP_IOMUXC_GPIO1_IO05__GPIO1_IO05 0x10 >; }; + pinctrl_uart1: uart1grp { + fsl,pins = < + MX8MP_IOMUXC_UART1_RXD__UART1_DCE_RX 0x40 + MX8MP_IOMUXC_UART1_TXD__UART1_DCE_TX 0x40 + >; + }; + pinctrl_uart2: uart2grp { fsl,pins = < MX8MP_IOMUXC_UART2_RXD__UART2_DCE_RX 0x40 @@ -268,6 +289,13 @@ MX8MP_IOMUXC_UART2_TXD__UART2_DCE_TX 0x40 >; }; + pinctrl_uart4: uart4grp { + fsl,pins = < + MX8MP_IOMUXC_UART4_RXD__UART4_DCE_RX 0x40 + MX8MP_IOMUXC_UART4_TXD__UART4_DCE_TX 0x40 + >; + }; + pinctrl_usdhc2_gpio: usdhc2-gpiogrp { fsl,pins = < MX8MP_IOMUXC_GPIO1_IO14__GPIO1_IO14 0x1c4 -- 2.47.3