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Message-ID: <CAE+NS36tG3H=MKU1Ewo=9m36j0D6G6GhQDGDkHuGkRn7Wjrqjg@mail.gmail.com>
Date: Thu, 1 Oct 2020 18:12:39 +0800
From: Gene Chen <gene.chen.richtek@...il.com>
To: Rob Herring <robh@...nel.org>
Cc: Jacek Anaszewski <jacek.anaszewski@...il.com>,
Pavel Machek <pavel@....cz>,
Matthias Brugger <matthias.bgg@...il.com>,
Dan Murphy <dmurphy@...com>,
Linux LED Subsystem <linux-leds@...r.kernel.org>,
devicetree <devicetree@...r.kernel.org>,
linux-arm Mailing List <linux-arm-kernel@...ts.infradead.org>,
"moderated list:ARM/Mediatek SoC support"
<linux-mediatek@...ts.infradead.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Gene Chen <gene_chen@...htek.com>, Wilma.Wu@...iatek.com,
shufan_lee@...htek.com, cy_huang@...htek.com,
benjamin.chao@...iatek.com
Subject: Re: [PATCH v4 1/2] dt-bindings: leds: Add bindings for MT6360 LED
Gene Chen <gene.chen.richtek@...il.com> 於 2020年9月30日 週三 下午11:17寫道：
>
> Rob Herring <robh@...nel.org> 於 2020年9月29日 週二 上午2:44寫道：
> >
> > On Wed, Sep 23, 2020 at 08:50:51PM +0800, Gene Chen wrote:
> > > From: Gene Chen <gene_chen@...htek.com>
> > >
> > > Add bindings document for LED support on MT6360 PMIC
> > >
> > > Signed-off-by: Gene Chen <gene_chen@...htek.com>
> > > ---
> > > .../devicetree/bindings/leds/leds-mt6360.yaml | 107 +++++++++++++++++++++
> > > 1 file changed, 107 insertions(+)
> > > create mode 100644 Documentation/devicetree/bindings/leds/leds-mt6360.yaml
> > >
> > > diff --git a/Documentation/devicetree/bindings/leds/leds-mt6360.yaml b/Documentation/devicetree/bindings/leds/leds-mt6360.yaml
> > > new file mode 100644
> > > index 0000000..a356a1f
> > > --- /dev/null
> > > +++ b/Documentation/devicetree/bindings/leds/leds-mt6360.yaml
> > > @@ -0,0 +1,107 @@
> > > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > > +%YAML 1.2
> > > +---
> > > +$id: http://devicetree.org/schemas/leds/leds-mt6360.yaml#
> > > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > > +
> > > +title: LED driver for MT6360 PMIC from MediaTek Integrated.
> >
> > Where's the PMIC schema? This file needs to be referenced from it and
> > that means it all needs to be one series.
> >
>
> Do you means as regulator/max77650-regulator.yaml?
>
> description: |
> This module is part of the MAX77650 MFD device. For more details
> "see Documentation/devicetree/bindings/mfd/max77650.yaml"
>
According to jacek suggestion, I merge fled0~2 to one RGB multicolor
device as below,
led@0 {
reg = <0>;
function = LED_FUNCTION_INDICATOR;
color = <LED_COLOR_ID_RGB>;
led-max-microamp = <24000>;
};
But I see make dt_binding_check error,
/media/gene_chen/WD/upstream/linux/Documentation/devicetree/bindings/leds/leds-mt6360.example.dt.yaml:
led-controller: led@0:color:0:0: 9 is greater than the maximum of 8
Maybe the maximum color need set from 8 to 9, which define
LED_COLOR_ID_RGB in include/dt-bindings/leds/common.h
color:
description:
Color of the LED. Use one of the LED_COLOR_ID_* prefixed definitions from
the header include/dt-bindings/leds/common.h. If there is no
matching
LED_COLOR_ID available, add a new one.
$ref: /schemas/types.yaml#definitions/uint32
minimum: 0
maximum: 9
> > > +
> > > +maintainers:
> > > + - Gene Chen <gene_chen@...htek.com>
> > > +
> > > +description: |
> > > + This module is part of the MT6360 MFD device.
> > > + Add MT6360 LED driver include 2-channel Flash LED with torch/strobe mode,
> > > + and 4-channel RGB LED support Register/Flash/Breath Mode
> > > +
> > > +properties:
> > > + compatible:
> > > + const: mediatek,mt6360-led
> > > +
> > > + "#address-cells":
> > > + const: 1
> > > +
> > > + "#size-cells":
> > > + const: 0
> > > +
> > > +patternProperties:
> > > + "^led@[0-5]$":
> > > + type: object
> > > + $ref: common.yaml#
> > > + description:
> > > + Properties for a single LED.
> > > +
> > > + properties:
> > > + reg:
> > > + description: Index of the LED.
> > > + enum:
> > > + - 0 # LED output INDICATOR1
> > > + - 1 # LED output INDICATOR2
> > > + - 2 # LED output INDICATOR3
> > > + - 3 # LED output INDICATOR4
> > > + - 4 # LED output FLED1
> > > + - 5 # LED output FLED2
> > > +
> > > +unevaluatedProperties: false
> > > +
> > > +required:
> > > + - compatible
> > > + - "#address-cells"
> > > + - "#size-cells"
> > > +
> > > +additionalProperties: false
> > > +
> > > +examples:
> > > + - |
> > > + #include <dt-bindings/leds/common.h>
> > > + led-controller {
> > > + compatible = "mediatek,mt6360-led";
> > > + #address-cells = <1>;
> > > + #size-cells = <0>;
> > > +
> > > + led@0 {
> > > + reg = <0>;
> > > + function = LED_FUNCTION_INDICATOR;
> > > + color = <LED_COLOR_ID_RED>;
> > > + default-state = "off";
> > > + };
> > > + led@1 {
> > > + reg = <1>;
> > > + function = LED_FUNCTION_INDICATOR;
> > > + color = <LED_COLOR_ID_GREEN>;
> > > + default-state = "off";
> > > + };
> > > + led@2 {
> > > + reg = <2>;
> > > + function = LED_FUNCTION_INDICATOR;
> > > + color = <LED_COLOR_ID_BLUE>;
> > > + default-state = "off";
> > > + };
> > > + led@3 {
> > > + reg = <3>;
> > > + function = LED_FUNCTION_INDICATOR;
> > > + color = <LED_COLOR_ID_AMBER>;
> > > + default-state = "off";
> > > + };
> > > + led@4 {
> > > + reg = <4>;
> > > + function = LED_FUNCTION_FLASH;
> > > + color = <LED_COLOR_ID_WHITE>;
> > > + function-enumerator = <1>;
> > > + default-state = "off";
> > > + led-max-microamp = <200000>;
> > > + flash-max-microamp = <500000>;
> > > + flash-max-timeout-us = <1024000>;
> > > + };
> > > + led@5 {
> > > + reg = <5>;
> > > + function = LED_FUNCTION_FLASH;
> > > + color = <LED_COLOR_ID_WHITE>;
> > > + function-enumerator = <2>;
> > > + default-state = "off";
> > > + led-max-microamp = <200000>;
> > > + flash-max-microamp = <500000>;
> > > + flash-max-timeout-us = <1024000>;
> > > + };
> > > + };
> > > +...
> > > --
> > > 2.7.4
> > >
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