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Thu, 15 May 2025 17:12:37 -0400 Received: from ASHBMBX9.ad.analog.com (10.64.17.10) by ASHBMBX9.ad.analog.com (10.64.17.10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.14; Thu, 15 May 2025 17:12:36 -0400 Received: from zeus.spd.analog.com (10.66.68.11) by ashbmbx9.ad.analog.com (10.64.17.10) with Microsoft SMTP Server id 15.2.986.14 via Frontend Transport; Thu, 15 May 2025 17:12:36 -0400 Received: from JSANTO12-L01.ad.analog.com ([10.65.60.206]) by zeus.spd.analog.com (8.15.1/8.15.1) with ESMTP id 54FLCKo1018818; Thu, 15 May 2025 17:12:22 -0400 From: Jonathan Santos To: , , , CC: Jonathan Santos , , , , , , , , , , , , , , , , Conor Dooley Subject: [PATCH v8 01/11] dt-bindings: trigger-source: add generic GPIO trigger source Date: Thu, 15 May 2025 18:12:19 -0300 Message-ID: <2c65278d6b2f96bc5d3a473e5309a06c4af9b703.1747175187.git.Jonathan.Santos@analog.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ADIRuleOP-NewSCL: Rule Triggered X-Authority-Analysis: v=2.4 cv=AYexH2XG c=1 sm=1 tr=0 ts=682658c6 cx=c_pps a=PpDZqlmH/M8setHirZLBMw==:117 a=PpDZqlmH/M8setHirZLBMw==:17 a=dt9VzEwgFbYA:10 a=VwQbUJbxAAAA:8 a=IpJZQVW2AAAA:8 a=gEfo2CItAAAA:8 a=NEAV23lmAAAA:8 a=XYAwZIGsAAAA:8 a=KKAkSRfTAAAA:8 a=gAnH3GRIAAAA:8 a=N_fad9SN1wWSt1MqymgA:9 a=IawgGOuG5U0WyFbmm1f5:22 a=sptkURWiP4Gy88Gu7hUp:22 a=E8ToXWR_bxluHZ7gmE-Z:22 a=cvBusfyB2V15izCimMoJ:22 X-Proofpoint-ORIG-GUID: PVvPqMmgLKYLECP8nKrWzIj_GpykCvJC X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNTE1MDIwNyBTYWx0ZWRfX4nAPcu9WJFf1 ErP5OpAv2vasek57rrkDSrW5zIstZz1EASiP6KR44UT/qkNQMglSm5Jx4LK/2p0DHVRojuFafC/ L8CHZ7lMuw9MDiSrwdZhOaHwu7mFCuf+CW5WJUJDK/GkenwE4IgVRzO60U5GyXKHcnLNzl+Sojz 02Pl2w3EeUqmqXZFasBjEZ/+dG3Y7b7Yh4aiDbV1Sb+gVvjAnEvVgVHiuCpMfuPW63MNsTmzQ9R 9jCMbcOa5buUhRceNj66OE+xD4if0ZHu06NkpI/WYaZkGaHUMjb/1GUmGIw01SVYyIghWtcd6tS kXZNojHHUFYWBphqroGp6p5jLs4wyw/xmAEVQvavlLiDCV0r41GwzGCk0nwqaeinnbnZ6YBwNJg +qAgAm7nVRGQcxqUdXyqOMMR791Q+55RuhRxNwVmJdrZ4Ao8N3ZONIFPojkxn0pNA7r+FYW7 X-Proofpoint-GUID: PVvPqMmgLKYLECP8nKrWzIj_GpykCvJC X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.0.736,FMLib:17.12.80.40 definitions=2025-05-15_09,2025-05-15_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 lowpriorityscore=0 mlxlogscore=999 impostorscore=0 mlxscore=0 malwarescore=0 clxscore=1015 priorityscore=1501 bulkscore=0 suspectscore=0 adultscore=0 phishscore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2505070000 definitions=main-2505150207 Inspired by pwm-trigger, create a new binding for using a GPIO line as a trigger source. Link: https://lore.kernel.org/linux-iio/20250207-dlech-mainline-spi-engine-offload-2-v8-3-e48a489be48c@baylibre.com/ Acked-by: Conor Dooley Reviewed-by: Linus Walleij Reviewed-by: David Lechner Signed-off-by: Jonathan Santos --- v8 Changes: * No changes. v7 Changes: * File added to MAINTAINERS and Made trigger source generic to include both pwm and gpio. v6 Changes: * Changed description. * Fixed typos and replaced GPIO pin with GPIO line. * Added link reference for pwm-trigger. v5 Changes: * New patch in v5. --- .../bindings/trigger-source/gpio-trigger.yaml | 40 +++++++++++++++++++ MAINTAINERS | 3 +- 2 files changed, 42 insertions(+), 1 deletion(-) create mode 100644 Documentation/devicetree/bindings/trigger-source/gpio-trigger.yaml diff --git a/Documentation/devicetree/bindings/trigger-source/gpio-trigger.yaml b/Documentation/devicetree/bindings/trigger-source/gpio-trigger.yaml new file mode 100644 index 000000000000..1331d153ee82 --- /dev/null +++ b/Documentation/devicetree/bindings/trigger-source/gpio-trigger.yaml @@ -0,0 +1,40 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/trigger-source/gpio-trigger.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Generic trigger source using GPIO + +description: A GPIO used as a trigger source. + +maintainers: + - Jonathan Santos + +properties: + compatible: + const: gpio-trigger + + '#trigger-source-cells': + const: 0 + + gpios: + maxItems: 1 + description: GPIO to be used as a trigger source. + +required: + - compatible + - '#trigger-source-cells' + - gpios + +additionalProperties: false + +examples: + - | + #include + + trigger { + compatible = "gpio-trigger"; + #trigger-source-cells = <0>; + gpios = <&gpio1 15 GPIO_ACTIVE_HIGH>; + }; diff --git a/MAINTAINERS b/MAINTAINERS index 01079a189c93..9b2e9a9dd8bc 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -24569,9 +24569,10 @@ W: https://github.com/srcres258/linux-doc T: git git://github.com/srcres258/linux-doc.git doc-zh-tw F: Documentation/translations/zh_TW/ -TRIGGER SOURCE - PWM +TRIGGER SOURCE M: David Lechner S: Maintained +F: Documentation/devicetree/bindings/trigger-source/gpio-trigger.yaml F: Documentation/devicetree/bindings/trigger-source/pwm-trigger.yaml TRUSTED SECURITY MODULE (TSM) ATTESTATION REPORTS