From: Linus Walleij <linus.walleij@linaro.org> To: Lee Jones <lee.jones@linaro.org>, Daniel Thompson <daniel.thompson@linaro.org>, Jingoo Han <jingoohan1@gmail.com>, dri-devel@lists.freedesktop.org Cc: Linus Walleij <linus.walleij@linaro.org>, devicetree@vger.kernel.org Subject: [PATCH 1/2 v1] dt-bindings: backlight: Add Kinetic KTD253 bindings Date: Mon, 20 Jul 2020 22:35:05 +0200 [thread overview] Message-ID: <20200720203506.3883129-1-linus.walleij@linaro.org> (raw) This adds device tree bindings for the Kinetic KTD253 white LED backlight driver. Cc: devicetree@vger.kernel.org Signed-off-by: Linus Walleij <linus.walleij@linaro.org> --- .../leds/backlight/kinetic,ktd253.yaml | 48 +++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 Documentation/devicetree/bindings/leds/backlight/kinetic,ktd253.yaml diff --git a/Documentation/devicetree/bindings/leds/backlight/kinetic,ktd253.yaml b/Documentation/devicetree/bindings/leds/backlight/kinetic,ktd253.yaml new file mode 100644 index 000000000000..610bf9a0e270 --- /dev/null +++ b/Documentation/devicetree/bindings/leds/backlight/kinetic,ktd253.yaml @@ -0,0 +1,48 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/leds/backlight/kinetic,ktd253.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Kinetic Technologies KTD253 one-wire backlight + +maintainers: + - Linus Walleij <linus.walleij@linaro.org> + +description: | + The Kinetic Technologies KTD253 is a white LED backlight that is + controlled by a single GPIO line. If you just turn on the backlight + it goes to maximum backlight then you can set the level of backlight + using pulses on the enable wire. + +properties: + compatible: + const: kinetic,ktd253 + + gpios: + description: GPIO to use to enable/disable and dim the backlight. + maxItems: 1 + + default-brightness: + description: Default brightness level on boot. 0 is off. + minimum: 0 + maximum: 255 + + max-brightness: + description: Maximum brightness that is allowed during runtime. + minimum: 0 + maximum: 255 + +required: + - compatible + - gpios + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + backlight { + compatible = "kinetic,ktd253"; + gpios = <&gpio2 5 GPIO_ACTIVE_HIGH>; + default-on; + default-brightness = <160>; + }; -- 2.26.2
WARNING: multiple messages have this Message-ID (diff)
From: Linus Walleij <linus.walleij@linaro.org> To: Lee Jones <lee.jones@linaro.org>, Daniel Thompson <daniel.thompson@linaro.org>, Jingoo Han <jingoohan1@gmail.com>, dri-devel@lists.freedesktop.org Cc: devicetree@vger.kernel.org Subject: [PATCH 1/2 v1] dt-bindings: backlight: Add Kinetic KTD253 bindings Date: Mon, 20 Jul 2020 22:35:05 +0200 [thread overview] Message-ID: <20200720203506.3883129-1-linus.walleij@linaro.org> (raw) This adds device tree bindings for the Kinetic KTD253 white LED backlight driver. Cc: devicetree@vger.kernel.org Signed-off-by: Linus Walleij <linus.walleij@linaro.org> --- .../leds/backlight/kinetic,ktd253.yaml | 48 +++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 Documentation/devicetree/bindings/leds/backlight/kinetic,ktd253.yaml diff --git a/Documentation/devicetree/bindings/leds/backlight/kinetic,ktd253.yaml b/Documentation/devicetree/bindings/leds/backlight/kinetic,ktd253.yaml new file mode 100644 index 000000000000..610bf9a0e270 --- /dev/null +++ b/Documentation/devicetree/bindings/leds/backlight/kinetic,ktd253.yaml @@ -0,0 +1,48 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/leds/backlight/kinetic,ktd253.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Kinetic Technologies KTD253 one-wire backlight + +maintainers: + - Linus Walleij <linus.walleij@linaro.org> + +description: | + The Kinetic Technologies KTD253 is a white LED backlight that is + controlled by a single GPIO line. If you just turn on the backlight + it goes to maximum backlight then you can set the level of backlight + using pulses on the enable wire. + +properties: + compatible: + const: kinetic,ktd253 + + gpios: + description: GPIO to use to enable/disable and dim the backlight. + maxItems: 1 + + default-brightness: + description: Default brightness level on boot. 0 is off. + minimum: 0 + maximum: 255 + + max-brightness: + description: Maximum brightness that is allowed during runtime. + minimum: 0 + maximum: 255 + +required: + - compatible + - gpios + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + backlight { + compatible = "kinetic,ktd253"; + gpios = <&gpio2 5 GPIO_ACTIVE_HIGH>; + default-on; + default-brightness = <160>; + }; -- 2.26.2 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel
next reply other threads:[~2020-07-20 20:35 UTC|newest] Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-07-20 20:35 Linus Walleij [this message] 2020-07-20 20:35 ` [PATCH 1/2 v1] dt-bindings: backlight: Add Kinetic KTD253 bindings Linus Walleij 2020-07-20 20:35 ` [PATCH 2/2 v1] backlight: Add Kinetic KTD253 backlight driver Linus Walleij 2020-07-21 8:49 ` Sam Ravnborg 2020-07-21 8:32 ` [PATCH 1/2 v1] dt-bindings: backlight: Add Kinetic KTD253 bindings Sam Ravnborg 2020-07-21 8:32 ` Sam Ravnborg 2020-08-12 6:48 ` Linus Walleij 2020-08-12 6:48 ` Linus Walleij 2020-08-12 7:34 ` Sam Ravnborg 2020-08-12 7:34 ` Sam Ravnborg 2020-08-12 9:09 ` Linus Walleij 2020-08-12 9:09 ` Linus Walleij 2020-07-21 11:28 ` Daniel Thompson 2020-07-21 11:28 ` Daniel Thompson 2020-08-12 7:30 ` Linus Walleij 2020-08-12 7:30 ` Linus Walleij
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=20200720203506.3883129-1-linus.walleij@linaro.org \ --to=linus.walleij@linaro.org \ --cc=daniel.thompson@linaro.org \ --cc=devicetree@vger.kernel.org \ --cc=dri-devel@lists.freedesktop.org \ --cc=jingoohan1@gmail.com \ --cc=lee.jones@linaro.org \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.