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[93.144.20.233]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4908d9fb1b8sm34979495e9.2.2026.05.28.09.04.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 28 May 2026 09:04:10 -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 1/1] arm64: dts: imx95-var-dart-sonata: add CAN controller Date: Thu, 28 May 2026 18:03:58 +0200 Message-ID: <20260528160358.19006-1-stefano.r@variscite.com> X-Mailer: git-send-email 2.47.3 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 Add the MCP251xFD CAN controller connected to LPSPI7 chip select 1 on the Sonata carrier board. Add the second SPI chip select GPIO and describe the CAN interrupt and pinctrl configuration. Signed-off-by: Stefano Radaelli --- .../dts/freescale/imx95-var-dart-sonata.dts | 27 ++++++++++++++++++- 1 file changed, 26 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/freescale/imx95-var-dart-sonata.dts b/arch/arm64/boot/dts/freescale/imx95-var-dart-sonata.dts index 0f3d2e488f4a..7985a42f5785 100644 --- a/arch/arm64/boot/dts/freescale/imx95-var-dart-sonata.dts +++ b/arch/arm64/boot/dts/freescale/imx95-var-dart-sonata.dts @@ -168,6 +168,10 @@ &flexcan1 { status = "okay"; }; +&gpio1 { + status = "okay"; +}; + &lpi2c3 { clock-frequency = <400000>; pinctrl-names = "default", "gpio", "sleep"; @@ -280,7 +284,8 @@ st33ktpm2xi2c: tpm@2e { &lpspi7 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_lpspi7>; - cs-gpios = <&gpio2 4 GPIO_ACTIVE_LOW>; + cs-gpios = <&gpio2 4 GPIO_ACTIVE_LOW>, + <&gpio1 7 GPIO_ACTIVE_LOW>; status = "okay"; /* Resistive touch controller */ @@ -306,6 +311,19 @@ ads7846: touchscreen@0 { ti,settle-delay-usec = /bits/ 16 <150>; ti,keep-vref-on; }; + + /* CAN controller */ + can0: can@1 { + compatible = "microchip,mcp251xfd"; + reg = <1>; + clocks = <&clk_osc_can0>; + interrupt-parent = <&gpio5>; + interrupts = <15 IRQ_TYPE_LEVEL_LOW>; + microchip,rx-int-gpios = <&gpio2 22 GPIO_ACTIVE_LOW>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_can>; + spi-max-frequency = <12000000>; + }; }; /* Console */ @@ -442,6 +460,13 @@ IMX95_PAD_GPIO_IO37__GPIO5_IO_BIT17 0x31e >; }; + pinctrl_can: cangrp { + fsl,pins = < + IMX95_PAD_GPIO_IO35__GPIO5_IO_BIT15 0x31e + IMX95_PAD_GPIO_IO22__GPIO2_IO_BIT22 0x31e + >; + }; + pinctrl_captouch: captouchgrp { fsl,pins = < IMX95_PAD_GPIO_IO33__GPIO5_IO_BIT13 0x31e -- 2.47.3