Jacek Anaszewski <jacek.anaszewski@xxxxxxxxx> 於 2020年11月18日 週三 上午6:24寫道： > > Hi Gene, > > Thank you for the patch. > > On 11/17/20 11:55 AM, Gene Chen wrote: > > From: Gene Chen <gene_chen@xxxxxxxxxxx> > > > > Add bindings document for LED support on MT6360 PMIC > > > > Signed-off-by: Gene Chen <gene_chen@xxxxxxxxxxx> > > --- > > .../devicetree/bindings/leds/leds-mt6360.yaml | 114 +++++++++++++++++++++ > > 1 file changed, 114 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..871db4d > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/leds/leds-mt6360.yaml > > @@ -0,0 +1,114 @@ > > +# 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. > > + > > +maintainers: > > + - Gene Chen <gene_chen@xxxxxxxxxxx> > > + > > +description: | > > + This module is part of the MT6360 MFD device. > > + see Documentation/devicetree/bindings/mfd/mt6360.yaml > > + Add MT6360 LED driver include 2-channel Flash LED with torch/strobe mode, > > + and 4-channel RGB LED support Register/Flash/Breath Mode > > What actually is the Register mode? > Register mode is equal to S/W mode. Red LED indicator ic default is H/W mode. LED enable when charger plug in. > > + > > +properties: > > + compatible: > > + const: mediatek,mt6360-led > > + > > + "#address-cells": > > + const: 1 > > + > > + "#size-cells": > > + const: 0 > > + > > +patternProperties: > > + "^led@[0-6]$": > > + type: object > > + $ref: common.yaml# > > + description: > > + Properties for a single LED. > > + > > + properties: > > + reg: > > + description: Index of the LED. > > + enum: > > + - 0 # LED output INDICATOR1_RED > > + - 1 # LED output INDICATOR1_GREEN > > + - 2 # LED output INDICATOR1_BLUE > > + - 3 # LED output INDICATOR2_ML > > + - 4 # LED output FLED1 > > + - 5 # LED output FLED2 > > + - 6 # LED output MULTICOLOR > > + > > +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>; > > + led-max-microamp = <24000>; > > + }; > > + led@3 { > > + reg = <3>; > > + function = LED_FUNCTION_INDICATOR; > > + color = <LED_COLOR_ID_AMBER>; > > You should really have here LED_COLOR_ID_MOONLIGHT if this is > a moonlight LED. You'll need to add it to dt-bindings/leds/common.h. > > > + led-max-microamp = <150000>; > > + }; > > + led@4 { > > + reg = <4>; > > + function = LED_FUNCTION_FLASH; > > + color = <LED_COLOR_ID_WHITE>; > > + function-enumerator = <1>; > > + 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>; > > + led-max-microamp = <200000>; > > + flash-max-microamp = <500000>; > > + flash-max-timeout-us = <1024000>; > > + }; > > + led@6 { > > + reg = <6>; > > + function = LED_FUNCTION_INDICATOR; > > + color = <LED_COLOR_ID_MULTI>; > > + led-max-microamp = <24000>; > > + #address-cells = <1>; > > + #size-cells = <0>; > > + > > + led@1 { > > + reg = <1>; > > + function = LED_FUNCTION_INDICATOR; > > + color = <LED_COLOR_ID_GREEN>; > > + }; > > + led@2 { > > + reg = <2>; > > + function = LED_FUNCTION_INDICATOR; > > + color = <LED_COLOR_ID_BLUE>; > > + }; > > + }; > > It is of little avail to have multicolor LED with only two LEDs. > I propose not to allow such setup - i.e. you should have either > one multicolor LED comprising three sub-LEDs (regs: 0, 1, 2), > and with main color property set to LED_COLOR_ID_RGB, or three separate > LEDs. > > Effectively, you should have two separate DT examples here to make it > clear: one for the case with three LED class devices and one with > LED multicolor class device. > ACK > > + }; > > +... > > > > -- > Best regards, > Jacek Anaszewski
