From: ChiaEn Wu <peterwu.pub@gmail.com>
To: lee.jones@linaro.org, daniel.thompson@linaro.org,
jingoohan1@gmail.com, pavel@ucw.cz, robh+dt@kernel.org,
krzysztof.kozlowski+dt@linaro.org, matthias.bgg@gmail.com,
sre@kernel.org, chunfeng.yun@mediatek.com,
gregkh@linuxfoundation.org, jic23@kernel.org, lars@metafoo.de,
lgirdwood@gmail.com, broonie@kernel.org, linux@roeck-us.net,
heikki.krogerus@linux.intel.com, deller@gmx.de
Cc: cy_huang@richtek.com, alice_chen@richtek.com,
chiaen_wu@richtek.com, dri-devel@lists.freedesktop.org,
linux-leds@vger.kernel.org, devicetree@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org,
linux-pm@vger.kernel.org, linux-usb@vger.kernel.org,
linux-iio@vger.kernel.org, linux-fbdev@vger.kernel.org
Subject: [PATCH 13/14] dt-bindings: backlight: Add Mediatek MT6370 backlight binding documentation
Date: Tue, 31 May 2022 18:42:10 +0800 [thread overview]
Message-ID: <20220531104211.17106-5-peterwu.pub@gmail.com> (raw)
In-Reply-To: <20220531104211.17106-1-peterwu.pub@gmail.com>
From: ChiYuan Huang <cy_huang@richtek.com>
Add mt6370 backlight binding documentation.
Signed-off-by: ChiYuan Huang <cy_huang@richtek.com>
---
.../backlight/mediatek,mt6370-backlight.yaml | 110 ++++++++++++++++++
1 file changed, 110 insertions(+)
create mode 100644 Documentation/devicetree/bindings/leds/backlight/mediatek,mt6370-backlight.yaml
diff --git a/Documentation/devicetree/bindings/leds/backlight/mediatek,mt6370-backlight.yaml b/Documentation/devicetree/bindings/leds/backlight/mediatek,mt6370-backlight.yaml
new file mode 100644
index 000000000000..81d72ed44be4
--- /dev/null
+++ b/Documentation/devicetree/bindings/leds/backlight/mediatek,mt6370-backlight.yaml
@@ -0,0 +1,110 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/leds/backlight/mediatek,mt6370-backlight.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Mediatek MT6370 Backlight
+
+maintainers:
+ - ChiaEn Wu <chiaen_wu@richtek.com>
+
+description: |
+ MT6370 is a highly-integrated smart power management IC, which includes a
+ single cell Li-Ion/Li-Polymer switching battery charger, a USB Type-C &
+ Power Delivery (PD) controller, dual flash LED current sources, a RGB LED
+ driver, a backlight WLED driver, a display bias driver and a general LDO for
+ portable devices.
+
+ For the LCD backlight, it can provide 4 channel WLED driving capability.
+ Each channel driving current is up to 30mA
+
+allOf:
+ - $ref: common.yaml#
+
+properties:
+ compatible:
+ const: mediatek,mt6370-backlight
+
+ default-brightness:
+ minimum: 0
+ maximum: 2048
+
+ max-brightness:
+ minimum: 0
+ maximum: 2048
+
+ enable-gpios:
+ description: External backlight 'enable' pin
+ maxItems: 1
+
+ mediatek,bled-pwm-enable:
+ description: |
+ Enable external PWM input for backlight dimming
+ type: boolean
+
+ mediatek,bled-pwm-hys-enable:
+ description: |
+ Enable the backlight input-hysteresis for PWM mode
+ type: boolean
+
+ mediatek,bled-pwm-hys-sel:
+ $ref: /schemas/types.yaml#/definitions/uint8
+ enum: [0, 1, 2, 3]
+ description: |
+ Backlight PWM hysteresis input level selection.
+ value mapping:
+ - 0: 1bit
+ - 1: 2bit
+ - 2: 4bit
+ - 3: 6bit
+
+ mediatek,bled-ovp-shutdown:
+ description: |
+ Enable the backlight shutdown when OVP level triggered
+ type: boolean
+
+ mediatek,bled-ovp-level-sel:
+ $ref: /schemas/types.yaml#/definitions/uint8
+ enum: [0, 1, 2, 3]
+ description: |
+ Backlight OVP level selection.
+ value mapping:
+ - 0: 17V
+ - 1: 21V
+ - 2: 25V
+ - 3: 29V
+
+ mediatek,bled-ocp-shutdown:
+ description: |
+ Enable the backlight shutdown when OCP level triggerred.
+ type: boolean
+
+ mediatek,bled-ocp-level-sel:
+ $ref: /schemas/types.yaml#/definitions/uint8
+ enum: [0, 1, 2, 3]
+ description: |
+ Backlight OC level selection.
+ value mapping:
+ - 0: 900mA
+ - 1: 1200mA
+ - 2: 1500mA
+ - 3: 1800mA
+
+ mediatek,bled-channel-use:
+ $ref: /schemas/types.yaml#/definitions/uint8
+ description: |
+ Backlight LED channel to be used.
+ Each bit mapping to:
+ - 0: CH4
+ - 1: CH3
+ - 2: CH2
+ - 3: CH1
+ minimum: 1
+ maximum: 15
+
+required:
+ - compatible
+ - mediatek,bled-channel-use
+
+additionalProperties: false
--
2.25.1
next prev parent reply other threads:[~2022-05-31 12:36 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-31 10:42 [PATCH 09/14] dt-bindings: usb: Add Mediatek MT6370 TCPC binding documentation ChiaEn Wu
2022-05-31 10:42 ` [PATCH 10/14] dt-bindings: power: supply: Add Mediatek MT6370 Charger " ChiaEn Wu
2022-05-31 20:14 ` Krzysztof Kozlowski
2022-06-02 18:34 ` ChiaEn Wu
2022-05-31 10:42 ` [PATCH 11/14] dt-bindings: leds: mt6370: Add Mediatek mt6370 indicator documentation ChiaEn Wu
2022-05-31 20:38 ` Krzysztof Kozlowski
2022-05-31 10:42 ` [PATCH 12/14] dt-bindings: leds: Add Mediatek MT6370 flashlight binding documentation ChiaEn Wu
2022-05-31 20:40 ` Krzysztof Kozlowski
2022-05-31 10:42 ` ChiaEn Wu [this message]
2022-05-31 10:42 ` [PATCH 14/14] dt-bindings: mfd: Add Mediatek MT6370 " ChiaEn Wu
-- strict thread matches above, loose matches on Subject: below --
2022-05-31 10:27 [PATCH 00/14] Add Mediatek MT6370 PMIC support ChiaEn Wu
2022-05-31 10:28 ` [PATCH 13/14] dt-bindings: backlight: Add Mediatek MT6370 backlight binding documentation ChiaEn Wu
2022-06-01 7:34 ` Krzysztof Kozlowski
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=20220531104211.17106-5-peterwu.pub@gmail.com \
--to=peterwu.pub@gmail.com \
--cc=alice_chen@richtek.com \
--cc=broonie@kernel.org \
--cc=chiaen_wu@richtek.com \
--cc=chunfeng.yun@mediatek.com \
--cc=cy_huang@richtek.com \
--cc=daniel.thompson@linaro.org \
--cc=deller@gmx.de \
--cc=devicetree@vger.kernel.org \
--cc=dri-devel@lists.freedesktop.org \
--cc=gregkh@linuxfoundation.org \
--cc=heikki.krogerus@linux.intel.com \
--cc=jic23@kernel.org \
--cc=jingoohan1@gmail.com \
--cc=krzysztof.kozlowski+dt@linaro.org \
--cc=lars@metafoo.de \
--cc=lee.jones@linaro.org \
--cc=lgirdwood@gmail.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-fbdev@vger.kernel.org \
--cc=linux-iio@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-leds@vger.kernel.org \
--cc=linux-mediatek@lists.infradead.org \
--cc=linux-pm@vger.kernel.org \
--cc=linux-usb@vger.kernel.org \
--cc=linux@roeck-us.net \
--cc=matthias.bgg@gmail.com \
--cc=pavel@ucw.cz \
--cc=robh+dt@kernel.org \
--cc=sre@kernel.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: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).