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Mon, 16 Mar 2026 06:20:20 -0700 (PDT) Received: from hu-vdadhani-hyd.qualcomm.com ([202.46.23.25]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-35b9303eb9bsm5209648a91.8.2026.03.16.06.20.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 16 Mar 2026 06:20:19 -0700 (PDT) From: Viken Dadhaniya To: mkl@pengutronix.de, mani@kernel.org, thomas.kopp@microchip.com, mailhol@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, andersson@kernel.org, konradybcio@kernel.org, linux-can@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org Cc: mukesh.savaliya@oss.qualcomm.com, anup.kulkarni@oss.qualcomm.com, Viken Dadhaniya Subject: [PATCH v2 3/3] arm64: dts: qcom: qcs6490-rb3gen2: Enable CAN bus controller Date: Mon, 16 Mar 2026 18:49:50 +0530 Message-Id: <20260316131950.859748-4-viken.dadhaniya@oss.qualcomm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260316131950.859748-1-viken.dadhaniya@oss.qualcomm.com> References: <20260316131950.859748-1-viken.dadhaniya@oss.qualcomm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; 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The controller is connected via SPI3 and uses a 40=E2=80=AFMHz oscillator. The setup was tested with CAN-FD loopback and actual data transfer using an external PCAN-USB FD adapter. Signed-off-by: Viken Dadhaniya Reviewed-by: Konrad Dybcio --- v1 -> v2: - Drop the gpio-hog property. - Add the microchip,xstbyen property to enable transceiver standby control. v1 Link: https://lore.kernel.org/all/20260108125200.2803112-3-viken.dadhani= ya@oss.qualcomm.com/ --- --- arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts | 22 ++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts b/arch/arm64/boot= /dts/qcom/qcs6490-rb3gen2.dts index e3d2f01881ae..245961722f84 100644 --- a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts +++ b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts @@ -44,6 +44,14 @@ chosen { stdout-path =3D "serial0:115200n8"; }; =20 + clocks { + mcp2518fd_osc: can-clk { + compatible =3D "fixed-clock"; + clock-frequency =3D <40000000>; + #clock-cells =3D <0>; + }; + }; + dp-connector { compatible =3D "dp-connector"; label =3D "DP"; @@ -1151,6 +1159,20 @@ platform { }; }; =20 +&spi3 { + status =3D "okay"; + + can@0 { + compatible =3D "microchip,mcp2518fd"; + reg =3D <0>; + interrupts-extended =3D <&tlmm 7 IRQ_TYPE_LEVEL_LOW>; + clocks =3D <&mcp2518fd_osc>; + spi-max-frequency =3D <10000000>; + vdd-supply =3D <&vreg_l11c_2p8>; + microchip,xstbyen; + }; +}; + &swr2 { status =3D "okay"; =20 --=20 2.34.1