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[82.64.236.198]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-69a9c4a4027sm3080829a12.29.2026.07.08.07.19.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 08 Jul 2026 07:19:05 -0700 (PDT) From: Loic Poulain Date: Wed, 08 Jul 2026 16:19:01 +0200 Subject: [PATCH v4 2/4] dt-bindings: leds: nxp,pca963x: add multicolor LED support 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: 7bit Message-Id: <20260708-monza-leds-v4-2-a7acfc524c0b@oss.qualcomm.com> References: <20260708-monza-leds-v4-0-a7acfc524c0b@oss.qualcomm.com> In-Reply-To: <20260708-monza-leds-v4-0-a7acfc524c0b@oss.qualcomm.com> To: Lee Jones , Pavel Machek , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Laurent Pinchart , Bjorn Andersson , Konrad Dybcio Cc: linux-leds@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, Loic Poulain X-Mailer: b4 0.14.2 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzA4MDE0MCBTYWx0ZWRfX8BH8Vnc2AwnI 7N8bD6aT7JrWSGYVx9rq087+IxX15zZFdCXLhcWYiusOcH+i1EK+iSFw6PNXLaH8rh09laOo7HD 5HA/JsWkYObGTZSCxVHCgLhNuq2swsAao3YBvKhljg+4WOzst0BxndEGP5sYWAmUyuJrABxHGT1 de4qd/eViAUJ0HPCPtEhloWTUb8nR8MGnu0jNqdEfZV8CZzbCKcDg1VnchTtusFBpP6q2UmDtwr dJcSdHdsIDJXy2tPtuxchfyyg79txoe5l7/Eeha0cuLbwDBUb8JKxcBTiYeb0tY/+ca4Z79m8yK s025UA8rnP5hHiEUDtaVPZQncLvy/g4yDzRDpq8IC+YiOFgbehGhOfp9l5jmFz2E3CfTYHqcOR6 TabrJPF7TSy2dBdzX0IMQ0U987blWYkjA5f4DtGGs6KBP3mopOQDYdyf8JI7dWlEx4B4DcCEyuv 2ePrW35KSgZ7mwXC3CA== X-Proofpoint-GUID: X_JzyyrDu-Sz6r95UnC7wXx3qKtRQs82 X-Proofpoint-Spam-Info: AW1haW4tMjYwNzA4MDE0MCBTYWx0ZWRfXwxnVZWjnU+8q LGOtYd+oZ20UkIkG9j5jusUXRZkjfJv1z3UeDbczjiBXEMFLkmi0eADhCPcC+jG1YDp4Q0FyZIn WLf9+yjkiTvxdDQi5dmUskrnRl+ykno= X-Proofpoint-ORIG-GUID: X_JzyyrDu-Sz6r95UnC7wXx3qKtRQs82 X-Authority-Analysis: v=2.4 cv=Wf88rUhX c=1 sm=1 tr=0 ts=6a4e5c5c cx=c_pps a=EVbN6Ke/fEF3bsl7X48z0g==:117 a=MDeckJw97qnk8wCBExTehA==:17 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_K5XuSEh1TEqbUxoQ0s3:22 a=EUspDBNiAAAA:8 a=OnDUQqxwl_I-XVlDrPYA:9 a=QEXdDO2ut3YA:10 a=a_PwQJl-kcHnX1M80qC6:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-08_02,2026-07-08_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 clxscore=1015 bulkscore=0 impostorscore=0 malwarescore=0 spamscore=0 priorityscore=1501 adultscore=0 lowpriorityscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607080140 Add support for grouping individual PCA963x channels into a multicolor LED by introducing a multi-led@N node pattern. This follows the convention established by other multicolor LED drivers such as kinetic,ktd202x. This is necessary to support and model hardware setups where multiple PWM channels drive a single physical RGB LED. Signed-off-by: Loic Poulain --- .../devicetree/bindings/leds/nxp,pca963x.yaml | 96 +++++++++++++++++++++- 1 file changed, 94 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/leds/nxp,pca963x.yaml b/Documentation/devicetree/bindings/leds/nxp,pca963x.yaml index 4fda602912f7a9443b8a77e46bc015e244f82e08..eccf37de51285a0dc6d28ffaba2d47a9f93d867f 100644 --- a/Documentation/devicetree/bindings/leds/nxp,pca963x.yaml +++ b/Documentation/devicetree/bindings/leds/nxp,pca963x.yaml @@ -74,6 +74,40 @@ patternProperties: required: - reg + "^multi-led@[0-9a-f]$": + type: object + $ref: leds-class-multicolor.yaml# + unevaluatedProperties: false + + properties: + reg: + maximum: 15 + + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + + patternProperties: + "^led@[0-9a-f]$": + type: object + $ref: common.yaml# + unevaluatedProperties: false + + properties: + reg: + maximum: 15 + + required: + - reg + - color + + required: + - reg + - "#address-cells" + - "#size-cells" + allOf: - if: properties: @@ -84,10 +118,16 @@ allOf: - nxp,pca9633 then: patternProperties: - "^led@[0-9a-f]+$": + "^.*led@[0-9a-f]$": properties: reg: maximum: 3 + "^multi-led@[0-9a-f]$": + patternProperties: + "^led@[0-9a-f]$": + properties: + reg: + maximum: 3 - if: properties: compatible: @@ -96,10 +136,16 @@ allOf: - nxp,pca9634 then: patternProperties: - "^led@[0-9a-f]+$": + "^.*led@[0-9a-f]$": properties: reg: maximum: 7 + "^multi-led@[0-9a-f]$": + patternProperties: + "^led@[0-9a-f]$": + properties: + reg: + maximum: 7 additionalProperties: false @@ -143,4 +189,50 @@ examples: }; }; + - | + #include + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + led-controller@62 { + compatible = "nxp,pca9633"; + reg = <0x62>; + #address-cells = <1>; + #size-cells = <0>; + + /* Three channels controlling one RGB LED */ + multi-led@0 { + reg = <0>; + color = ; + function = LED_FUNCTION_STATUS; + #address-cells = <1>; + #size-cells = <0>; + + led@0 { + reg = <0>; + color = ; + }; + + led@1 { + reg = <1>; + color = ; + }; + + led@2 { + reg = <2>; + color = ; + }; + }; + + /* Remaining channel used as a plain white LED */ + led@3 { + reg = <3>; + color = ; + function = LED_FUNCTION_STATUS; + }; + }; + }; + ... -- 2.34.1