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Thu, 08 Jan 2026 04:52:09 -0800 (PST) Received: from hu-vdadhani-hyd.qualcomm.com ([202.46.23.25]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-81dab89f2a5sm253302b3a.56.2026.01.08.04.52.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 08 Jan 2026 04:52:08 -0800 (PST) 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 v1 0/2] dt-bindings: CAN: MCP251XFD GPIO hog support and QCS6490 CAN enablement Date: Thu, 8 Jan 2026 18:21:58 +0530 Message-Id: <20260108125200.2803112-1-viken.dadhaniya@oss.qualcomm.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Proofpoint-GUID: HB0ajetwXe8Yx5eY-fPrdDpsA2AavZDM X-Authority-Analysis: v=2.4 cv=X7Jf6WTe c=1 sm=1 tr=0 ts=695fa87a cx=c_pps a=WW5sKcV1LcKqjgzy2JUPuA==:117 a=ZePRamnt/+rB5gQjfz0u9A==:17 a=IkcTkHD0fZMA:10 a=vUbySO9Y5rIA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=nFuhNNRUEVbzmfeY_84A:9 a=QEXdDO2ut3YA:10 a=OpyuDcXvxspvyRM73sMx:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMTA4MDA5MSBTYWx0ZWRfX1S2cFJWnmL51 Hk2SCqPIarBew+Y8AGcPTXUZbzVOTab9uaoBw7Qltqnhs+tFlJeK+oE7DMDg/VJXjck8KMx6s9W Fx/Z0WUbTQgonHkh18hDwoFhwlFTvHKxJW+YxuHrb1Y3mp788I+dLrTzYlR/xXrf7+f/4V04kB/ cpo2T2zZIseWS95LClsYSXdnFESXWA8ZhZfiAePk0UmXv9vi2wkRrZHd3/SXObfh7on9467GE2B L4vU5HzN51VwmK4kCWgdmJtA8H5L4C3RuqAD8kjnOwzHr9FrYFetnGKJnKCT36mSdh7SbU3OVQ2 +6bnOyz1/l/Wle/upBdYfqh20CfK6nN+f1/XdOy8yVCTg8oPXoWxHUjQAss50N1XgCiG2qPJbez GFrZA8+k6BWtR71MYujxc1ygmdfsgWQ9qA/FuQ716HbWGQT9MQw4gj1fHOP3l6yvA6PsAU3/RZ9 t6F5oPFDYYyEPJ1hYoA== X-Proofpoint-ORIG-GUID: HB0ajetwXe8Yx5eY-fPrdDpsA2AavZDM X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2026-01-08_02,2026-01-07_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 spamscore=0 bulkscore=0 suspectscore=0 phishscore=0 adultscore=0 priorityscore=1501 lowpriorityscore=0 impostorscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2512120000 definitions=main-2601080091 This series introduces two changes: 1. Extend the MCP251XFD binding to allow GPIO hog child nodes. The MCP251XFD family can expose two pins as GPIOs. The binding already declares 'gpio-controller' and '#gpio-cells'. Adding a 'patternProperties' entry permits boards to define hog nodes for default GPIO states at boot, which aligns with other GPIO controller bindings (e.g., microchip,mpfs-gpio). 2. Enable the MCP2518FD CAN controller on the QCS6490 RB3 Gen2 platform. The controller is connected via SPI3 and uses a 40=E2=80=AFMHz oscillato= r. A GPIO hog for GPIO0 is included to configure the CAN transceiver in Normal mode during boot. =20 Viken Dadhaniya (2): dt-bindings: can: microchip,mcp251xfd: allow gpio-hog child nodes arm64: dts: qcom: qcs6490-rb3gen2: Enable CAN bus controller .../bindings/net/can/microchip,mcp251xfd.yaml | 6 ++++ arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts | 30 +++++++++++++++++++ 2 files changed, 36 insertions(+) --=20 2.34.1