From: Chris Packham <chris.packham@alliedtelesis.co.nz> 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, lee@kernel.org Cc: linux-leds@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Chris Packham <chris.packham@alliedtelesis.co.nz> Subject: [PATCH v5 2/3] dt-bindings: auxdisplay: Add bindings for generic 7-segment LED Date: Thu, 7 Mar 2024 12:50:20 +1300 [thread overview] Message-ID: <20240306235021.976083-3-chris.packham@alliedtelesis.co.nz> (raw) In-Reply-To: <20240306235021.976083-1-chris.packham@alliedtelesis.co.nz> Add bindings for a generic 7-segment LED display using GPIOs. Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz> --- Notes: Changes in v5: - Preserve formatting, maxItems set to 8, group GPIO specifiers as suggested by Geert Changes in v4: - Add ASCII art diagram showing arrangement of segments 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 | 55 +++++++++++++++++++ 1 file changed, 55 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..328954893c64 --- /dev/null +++ b/Documentation/devicetree/bindings/auxdisplay/gpio-7-segment.yaml @@ -0,0 +1,55 @@ +# 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 <chris.packham@alliedtelesis.co.nz> + +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 seventh GPIO corresponds to the G segment. Some LED blocks + also have a decimal point which can be specified as an optional eighth + segment. + + -a- + | | + f b + | | + -g- + | | + e c + | | + -d- dp + + minItems: 7 + maxItems: 8 + +required: + - segment-gpios + +additionalProperties: false + +examples: + - | + + #include <dt-bindings/gpio/gpio.h> + + 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>; + }; -- 2.43.2
WARNING: multiple messages have this Message-ID (diff)
From: Chris Packham <chris.packham@alliedtelesis.co.nz> 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, lee@kernel.org Cc: linux-leds@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Chris Packham <chris.packham@alliedtelesis.co.nz> Subject: [PATCH v5 2/3] dt-bindings: auxdisplay: Add bindings for generic 7-segment LED Date: Thu, 7 Mar 2024 12:50:20 +1300 [thread overview] Message-ID: <20240306235021.976083-3-chris.packham@alliedtelesis.co.nz> (raw) In-Reply-To: <20240306235021.976083-1-chris.packham@alliedtelesis.co.nz> Add bindings for a generic 7-segment LED display using GPIOs. Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz> --- Notes: Changes in v5: - Preserve formatting, maxItems set to 8, group GPIO specifiers as suggested by Geert Changes in v4: - Add ASCII art diagram showing arrangement of segments 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 | 55 +++++++++++++++++++ 1 file changed, 55 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..328954893c64 --- /dev/null +++ b/Documentation/devicetree/bindings/auxdisplay/gpio-7-segment.yaml @@ -0,0 +1,55 @@ +# 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 <chris.packham@alliedtelesis.co.nz> + +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 seventh GPIO corresponds to the G segment. Some LED blocks + also have a decimal point which can be specified as an optional eighth + segment. + + -a- + | | + f b + | | + -g- + | | + e c + | | + -d- dp + + minItems: 7 + maxItems: 8 + +required: + - segment-gpios + +additionalProperties: false + +examples: + - | + + #include <dt-bindings/gpio/gpio.h> + + 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>; + }; -- 2.43.2 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2024-03-06 23:50 UTC|newest] Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top 2024-03-06 23:50 [PATCH v5 0/3] auxdisplay: 7-segment LED display Chris Packham 2024-03-06 23:50 ` Chris Packham 2024-03-06 23:50 ` [PATCH v5 1/3] auxdisplay: Add 7-segment LED display driver Chris Packham 2024-03-06 23:50 ` Chris Packham 2024-03-07 13:13 ` Geert Uytterhoeven 2024-03-07 13:13 ` Geert Uytterhoeven 2024-03-07 13:23 ` Andy Shevchenko 2024-03-07 13:23 ` Andy Shevchenko 2024-03-06 23:50 ` Chris Packham [this message] 2024-03-06 23:50 ` [PATCH v5 2/3] dt-bindings: auxdisplay: Add bindings for generic 7-segment LED Chris Packham 2024-03-07 13:11 ` Geert Uytterhoeven 2024-03-07 13:11 ` Geert Uytterhoeven 2024-03-07 14:52 ` Rob Herring 2024-03-07 14:52 ` Rob Herring 2024-03-06 23:50 ` [PATCH v5 3/3] ARM: dts: marvell: Add 7-segment LED display on x530 Chris Packham 2024-03-06 23:50 ` Chris Packham 2024-03-08 7:36 ` Gregory CLEMENT 2024-03-08 7:36 ` Gregory CLEMENT 2024-03-08 9:56 ` Andy Shevchenko 2024-03-08 9:56 ` Andy Shevchenko 2024-03-08 10:18 ` Arnd Bergmann 2024-03-08 10:18 ` Arnd Bergmann 2024-03-08 10:34 ` Andy Shevchenko 2024-03-08 10:34 ` Andy Shevchenko 2024-03-10 20:22 ` Chris Packham 2024-03-10 20:22 ` Chris Packham 2024-03-11 6:02 ` Arnd Bergmann 2024-03-11 6:02 ` Arnd Bergmann 2024-03-11 19:54 ` Chris Packham 2024-03-11 19:54 ` Chris Packham 2024-03-07 12:07 ` [PATCH v5 0/3] auxdisplay: 7-segment LED display Andy Shevchenko 2024-03-07 12:07 ` Andy Shevchenko
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