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Date: Thu, 18 Dec 2014 14:47:49 +0900 From: gyungoh@...il.com To: sameo@...ux.intel.com, lee.jones@...aro.org, grant.likely@...aro.org, robh+dt@...nel.org, jg1.han@...sung.com, cooloney@...il.com, pawel.moll@....com, mark.rutland@....com, ijc+devicetree@...lion.org.uk, galak@...eaurora.org, trivial@...nel.org Cc: akpm@...ux-foundation.org, jic23@...nel.org, thomas.petazzoni@...e-electrons.com, ktsai@...ellamicro.com, hs@...x.de, stwiss.opensource@...semi.com, matti.vaittinen@....com, broonie@...nel.org, jason@...edaemon.net, heiko@...ech.de, shawn.guo@...escale.com, florian.vaussard@...l.ch, andrew@...n.ch, antonynpavlov@...il.com, hytszk@...il.com, plagnioj@...osoft.com, tomi.valkeinen@...com, jack.yoo@...worksinc.com, linux-fbdev@...r.kernel.org, linux-kernel@...r.kernel.org, devicetree@...r.kernel.org Subject: [PATCH v10 4/6] devicetree: backlight: Add new SKY81452 backlight binding From: Gyungoh Yoo <jack.yoo@...worksinc.com> Signed-off-by: Gyungoh Yoo <jack.yoo@...worksinc.com> Acked-by: Bryan Wu <cooloney@...il.com> --- Changes v10: Nothing Changes v9: Nothing Changes v8: Renamed property names for backlight with vendor prefix Modified gpio-enable property to generic property for GPIO Made up the example for backlight DT Changes v7: Nothing Changes v6: Nothing Changes v5: Nothing Changes v4: Nothing Changes v3: Nothing Changes v2: Added reg attribute for I2C slave address .../video/backlight/sky81452-backlight.txt | 29 ++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 Documentation/devicetree/bindings/video/backlight/sky81452-backlight.txt diff --git a/Documentation/devicetree/bindings/video/backlight/sky81452-backlight.txt b/Documentation/devicetree/bindings/video/backlight/sky81452-backlight.txt new file mode 100644 index 0000000..8daebf5 --- /dev/null +++ b/Documentation/devicetree/bindings/video/backlight/sky81452-backlight.txt @@ -0,0 +1,29 @@ +SKY81452-backlight bindings + +Required properties: +- compatible : Must be "skyworks,sky81452-backlight" + +Optional properties: +- name : Name of backlight device. Default is 'lcd-backlight'. +- gpios : GPIO to use to EN pin. + See Documentation/devicetree/bindings/gpio/gpio.txt +- skyworks,en-channels : Enable mask for current sink channel 1 to 6. +- skyworks,ignore-pwm : Ignore both PWM input +- skyworks,dpwm-mode : Enable DPWM dimming mode, otherwise Analog dimming. +- skyworks,phase-shift : Enable phase shift mode +- skyworks,ovp-level : Over-voltage protection level. + Should be between 14 or 28V. +- skyworks,short-detection-threshold : It should be one of 4, 5, 6 and 7V. +- skyworks,current-limit : It should be 2300mA or 2750mA. + +Example: + + backlight { + compatible = "skyworks,sky81452-backlight"; + name = "pwm-backlight"; + skyworks,en-channels = <0x3f>; + skyworks,ignore-pwm; + skyworks,phase-shift; + skyworks,ovp-level = <20>; + skyworks,current-limit = <2300>; + }; -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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