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Mon, 16 Mar 2026 06:20:05 -0700 (PDT) Received: from hu-vdadhani-hyd.qualcomm.com ([202.46.23.25]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-35b9303eb9bsm5209648a91.8.2026.03.16.06.20.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 16 Mar 2026 06:20:05 -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 1/3] dt-bindings: can: mcp251xfd: add microchip,xstbyen property Date: Mon, 16 Mar 2026 18:49:48 +0530 Message-Id: <20260316131950.859748-2-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-Transfer-Encoding: quoted-printable X-Proofpoint-GUID: cbEFoJN8wqZDv6kV-ckgOhFgBbwV2xtt X-Proofpoint-ORIG-GUID: cbEFoJN8wqZDv6kV-ckgOhFgBbwV2xtt X-Authority-Analysis: v=2.4 cv=AqXjHe9P c=1 sm=1 tr=0 ts=69b80387 cx=c_pps a=0uOsjrqzRL749jD1oC5vDA==:117 a=ZePRamnt/+rB5gQjfz0u9A==:17 a=Yq5XynenixoA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yx91gb_oNiZeI1HMLzn7:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=MbkHCQl1Ze6FRj4IwLIA:9 a=mQ_c8vxmzFEMiUWkPHU9:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzE2MDEwMSBTYWx0ZWRfX/2+huxK9P6Zj BY6Tai7jjy71NcdKXi6RJgkeCm6UorEd10miJWCFNmZyykPzMh+sj5xJRHo7qWeTbIpyVvk4SXA AyBl+BAQ6l06XPAgyYzK7+sfH2oKZ+bGlX1RSHRd/CB3YWtA0k8Y1KK2dNDy1KjoLiDqekhyJzD RW5/8LXVHxvHwGRP3MejTLNNkIEaFDl3hwESCXWyRAruSQ1dBe55DD6wCSoXxqy5sEScDMO9OnV BodvuDk0qswTO3J29f/FbYNeFJGz4oQySITfds1+d10cbAf4CDl5TKQD2tw1xNkISLYgnxDuVUq 1hA/5l3b0R08ip/lh1HTidhRZl7N5XFLfrK4ezFrOU+Z9y/Ikk7E0NYwqGdYzTrXsBeP852/G/d LFovUgjQ1YhsrdZFjF+K2c1sJIzVAoR1vt7P/oDABZLyPbA7EV19V6lID79mo3ZSdtBas/g8GsJ HlwZFUiQfliOZLv5oiw== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-03-16_04,2026-03-16_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 impostorscore=0 bulkscore=0 clxscore=1015 phishscore=0 spamscore=0 suspectscore=0 malwarescore=0 lowpriorityscore=0 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2603160101 Content-Type: text/plain; charset="utf-8" Add the boolean property 'microchip,xstbyen' to enable the dedicated transceiver standby control function on the INT0/GPIO0/XSTBY pin of the MCP251xFD family. Signed-off-by: Viken Dadhaniya --- v1 -> v2: - Drop the gpio-hog approach as suggested by Dmitry. - Add the microchip,xstbyen property to enable transceiver standby control. v1 Link: https://lore.kernel.org/all/20260108125200.2803112-2-viken.dadhani= ya@oss.qualcomm.com/ --- --- .../devicetree/bindings/net/can/microchip,mcp251xfd.yaml | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/Documentation/devicetree/bindings/net/can/microchip,mcp251xfd.= yaml b/Documentation/devicetree/bindings/net/can/microchip,mcp251xfd.yaml index 2d13638ebc6a..28e494262cd9 100644 --- a/Documentation/devicetree/bindings/net/can/microchip,mcp251xfd.yaml +++ b/Documentation/devicetree/bindings/net/can/microchip,mcp251xfd.yaml @@ -44,6 +44,14 @@ properties: signals a pending RX interrupt. maxItems: 1 =20 + microchip,xstbyen: + type: boolean + description: + If present, configure the INT0/GPIO0/XSTBY pin as transceiver standby + control. The pin is driven low when the controller is active and high + when it enters Sleep mode, allowing automatic standby control of an + external CAN transceiver connected to this pin. + spi-max-frequency: description: Must be half or less of "clocks" frequency. --=20 2.34.1