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Fri, 01 Mar 2024 14:42:10 +1300 Received: from chrisp-dl.ws.atlnz.lc (chrisp-dl.ws.atlnz.lc [10.33.22.30]) by pat.atlnz.lc (Postfix) with ESMTP id 12B8313EDA8; Fri, 1 Mar 2024 14:42:10 +1300 (NZDT) Received: by chrisp-dl.ws.atlnz.lc (Postfix, from userid 1030) id 0FBE8280062; Fri, 1 Mar 2024 14:42:10 +1300 (NZDT) From: Chris Packham To: andy@kernel.org, geert@linux-m68k.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, andrew@lunn.ch, gregory.clement@bootlin.com, sebastian.hesselbarth@gmail.com, pavel@ucw.cz, lee@kernel.org Cc: linux-leds@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Chris Packham Subject: [PATCH v3 2/4] dt-bindings: auxdisplay: Add bindings for generic 7-segment LED Date: Fri, 1 Mar 2024 14:42:01 +1300 Message-ID: <20240301014203.2033844-3-chris.packham@alliedtelesis.co.nz> X-Mailer: git-send-email 2.43.2 In-Reply-To: <20240301014203.2033844-1-chris.packham@alliedtelesis.co.nz> References: <20240301014203.2033844-1-chris.packham@alliedtelesis.co.nz> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-SEG-SpamProfiler-Analysis: v=2.4 cv=BKkQr0QG c=1 sm=1 tr=0 ts=65e13272 a=KLBiSEs5mFS1a/PbTCJxuA==:117 a=K6JAEmCyrfEA:10 a=gEfo2CItAAAA:8 a=UL8_YvhhsuCliVb0JXoA:9 a=3ZKOabzyN94A:10 a=sptkURWiP4Gy88Gu7hUp:22 X-SEG-SpamProfiler-Score: 0 x-atlnz-ls: pat Add bindings for a generic 7-segment LED display using GPIOs. Signed-off-by: Chris Packham --- Notes: Changes in v3: - Set maxItems: 7 - Expand description of segment-gpios property. - Use compatible = "gpio-7-segment" as suggested by Rob Changes in v2: - Use compatible = "generic-gpio-7seg" to keep checkpatch.pl happy .../bindings/auxdisplay/gpio-7-segment.yaml | 42 +++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 Documentation/devicetree/bindings/auxdisplay/gpio-7-segment.yaml diff --git a/Documentation/devicetree/bindings/auxdisplay/gpio-7-segment.yaml b/Documentation/devicetree/bindings/auxdisplay/gpio-7-segment.yaml new file mode 100644 index 000000000000..76af4bf4e9a6 --- /dev/null +++ b/Documentation/devicetree/bindings/auxdisplay/gpio-7-segment.yaml @@ -0,0 +1,42 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/auxdisplay/gpio-7-segment.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: GPIO based LED segment display + +maintainers: + - Chris Packham + +properties: + compatible: + const: gpio-7-segment + + segment-gpios: + description: + An array of GPIOs one per segment. The first GPIO corresponds to the A + segment the last GPIO corresponds to the G segment. + minItems: 7 + maxItems: 7 + +required: + - segment-gpios + +additionalProperties: false + +examples: + - | + + #include + + led-7seg { + compatible = "gpio-7-segment"; + segment-gpios = <&gpio 0 GPIO_ACTIVE_LOW + &gpio 1 GPIO_ACTIVE_LOW + &gpio 2 GPIO_ACTIVE_LOW + &gpio 3 GPIO_ACTIVE_LOW + &gpio 4 GPIO_ACTIVE_LOW + &gpio 5 GPIO_ACTIVE_LOW + &gpio 6 GPIO_ACTIVE_LOW>; + };