From: Joe Simmons-Talbott <joetalbott@gmail.com>
To: ChiaEn Wu <peterwu.pub@gmail.com>
Cc: 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,
chiaen_wu@richtek.com, alice_chen@richtek.com,
cy_huang@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,
szunichen@gmail.com
Subject: Re: [PATCH v3 05/14] dt-bindings: backlight: Add Mediatek MT6370 backlight
Date: Thu, 23 Jun 2022 09:16:59 -0400 [thread overview]
Message-ID: <YrRny9TPqMUW7Yr/@spruce> (raw)
In-Reply-To: <20220623115631.22209-6-peterwu.pub@gmail.com>
On Thu, Jun 23, 2022 at 07:56:22PM +0800, ChiaEn Wu wrote:
> From: ChiYuan Huang <cy_huang@richtek.com>
>
> Add mt6370 backlight binding documentation.
>
> Signed-off-by: ChiYuan Huang <cy_huang@richtek.com>
> ---
>
> v3
> - Rename "mediatek,bled-pwm-hys-input-threshold-steps" to
> "mediatek,bled-pwm-hys-input-th-steps"
> - Refine "bled-pwm-hys-input-th-steps", "bled-ovp-microvolt",
> "bled-ocp-microamp" enum values
> ---
> .../leds/backlight/mediatek,mt6370-backlight.yaml | 92 ++++++++++++++++++++++
> 1 file changed, 92 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 0000000..26563ae
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/leds/backlight/mediatek,mt6370-backlight.yaml
> @@ -0,0 +1,92 @@
> +# 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: |
> + This module is part of the MT6370 MFD device.
> + The MT6370 Backlight WLED driver supports up to a 29V output voltage for
> + 4 channels of 8 series WLEDs. Each channel supports up to 30mA of current
> + capability with 2048 current steps (11 bits) in exponential or linear
> + mapping curves.
> +
> +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-input-th-steps:
> + $ref: /schemas/types.yaml#/definitions/uint8
> + enum: [1, 4, 16, 64]
> + description: |
> + The selection of the upper and lower bounds threshold of backlight
> + PWM resolution. If we choose selection 64, the variation of PWM
> + resolution needs over than 64 steps.
more than?
Thanks,
Joe
> +
> + mediatek,bled-ovp-shutdown:
> + description: |
> + Enable the backlight shutdown when OVP level triggered
> + type: boolean
> +
> + mediatek,bled-ovp-microvolt:
> + enum: [17000000, 21000000, 25000000, 29000000]
> + description: |
> + Backlight OVP level selection.
> +
> + mediatek,bled-ocp-shutdown:
> + description: |
> + Enable the backlight shutdown when OCP level triggerred.
> + type: boolean
> +
> + mediatek,bled-ocp-microamp:
> + enum: [900000, 1200000, 1500000, 1800000]
> + description: |
> + Backlight OC level selection.
> +
> + 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
> --
> 2.7.4
>
next prev parent reply other threads:[~2022-06-23 13:17 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-23 11:56 [PATCH v3 00/14] Add Mediatek MT6370 PMIC support ChiaEn Wu
2022-06-23 11:56 ` [PATCH v3 01/14] dt-bindings: usb: Add Mediatek MT6370 TCPC ChiaEn Wu
2022-06-23 11:56 ` [PATCH v3 02/14] dt-bindings: power: supply: Add Mediatek MT6370 Charger ChiaEn Wu
2022-06-24 10:27 ` Krzysztof Kozlowski
2022-06-25 0:54 ` Miles Chen
2022-06-23 11:56 ` [PATCH v3 03/14] dt-bindings: leds: mt6370: Add Mediatek mt6370 current sink type LED indicator ChiaEn Wu
2022-06-24 10:35 ` Krzysztof Kozlowski
2022-06-24 10:45 ` Krzysztof Kozlowski
2022-06-23 11:56 ` [PATCH v3 04/14] dt-bindings: leds: Add Mediatek MT6370 flashlight ChiaEn Wu
2022-06-24 11:22 ` Krzysztof Kozlowski
2022-06-23 11:56 ` [PATCH v3 05/14] dt-bindings: backlight: Add Mediatek MT6370 backlight ChiaEn Wu
2022-06-23 13:16 ` Joe Simmons-Talbott [this message]
2022-06-24 9:34 ` ChiaEn Wu
2022-06-30 21:55 ` Rob Herring
2022-06-23 11:56 ` [PATCH v3 06/14] dt-bindings: mfd: Add Mediatek MT6370 ChiaEn Wu
2022-06-24 11:39 ` Krzysztof Kozlowski
2022-06-23 11:56 ` [PATCH v3 07/14] mfd: mt6370: Add Mediatek MT6370 support ChiaEn Wu
2022-06-23 18:00 ` Andy Shevchenko
2022-06-24 10:19 ` ChiaEn Wu
2022-06-28 11:52 ` Andy Shevchenko
2022-07-12 15:29 ` Lee Jones
2022-07-13 2:29 ` ChiaEn Wu
2022-07-13 8:04 ` Lee Jones
2022-07-13 9:31 ` ChiaEn Wu
2022-06-23 11:56 ` [PATCH v3 08/14] usb: typec: tcpci_mt6370: Add Mediatek MT6370 tcpci driver ChiaEn Wu
2022-06-23 18:07 ` Andy Shevchenko
2022-06-24 11:33 ` Greg KH
2022-06-23 11:56 ` [PATCH v3 09/14] regulator: mt6370: Add mt6370 DisplayBias and VibLDO support ChiaEn Wu
2022-06-23 18:18 ` Andy Shevchenko
2022-06-24 10:32 ` ChiaEn Wu
2022-06-28 11:54 ` Andy Shevchenko
2022-06-23 11:56 ` [PATCH v3 10/14] iio: adc: mt6370: Add Mediatek MT6370 support ChiaEn Wu
2022-06-23 18:25 ` Andy Shevchenko
2022-06-23 11:56 ` [PATCH v3 11/14] power: supply: mt6370: Add Mediatek MT6370 charger driver ChiaEn Wu
2022-06-23 18:56 ` Andy Shevchenko
2022-06-29 15:52 ` ChiaEn Wu
2022-06-23 11:56 ` [PATCH v3 12/14] leds: mt6370: Add Mediatek MT6370 current sink type LED Indicator support ChiaEn Wu
2022-06-23 19:29 ` Randy Dunlap
2022-06-24 6:23 ` Linus Walleij
2022-06-24 6:25 ` Linus Walleij
2022-06-24 7:20 ` szuni chen
2022-06-24 21:36 ` Linus Walleij
2022-06-23 11:56 ` [PATCH v3 13/14] leds: flashlight: mt6370: Add Mediatek MT6370 flashlight support ChiaEn Wu
2022-06-23 11:56 ` [PATCH v3 14/14] video: backlight: mt6370: Add Mediatek MT6370 support ChiaEn Wu
2022-06-23 13:43 ` Daniel Thompson
2022-06-24 9:56 ` ChiaEn Wu
2022-06-23 15:48 ` (subset) [PATCH v3 00/14] Add Mediatek MT6370 PMIC support Mark Brown
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