diff mbox

[v10,4/6] devicetree: Add new SKY81452 backlight binding

Message ID 1421994515-3070-5-git-send-email-jack.yoo@skyworksinc.com
State Superseded, archived
Headers show

Commit Message

Gyungoh Yoo Jan. 23, 2015, 6:28 a.m. UTC
From: Gyungoh Yoo <jack.yoo@skyworksinc.com>

Signed-off-by: Gyungoh Yoo <jack.yoo@skyworksinc.com>
Acked-by: Bryan Wu <cooloney@gmail.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

Comments

Gyungoh Yoo Jan. 27, 2015, 7:02 a.m. UTC | #1
On Fri, Jan 23, 2015 at 03:28:33PM +0900, gyungoh@gmail.com wrote:
> From: Gyungoh Yoo <jack.yoo@skyworksinc.com>
> 
> Signed-off-by: Gyungoh Yoo <jack.yoo@skyworksinc.com>
> Acked-by: Bryan Wu <cooloney@gmail.com>

The existing Ack is only for backlight driver.

DT Ack please.

> ---
> 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
> 
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Rob Herring Feb. 4, 2015, 3:11 p.m. UTC | #2
On Fri, Jan 23, 2015 at 12:28 AM,  <gyungoh@gmail.com> wrote:
> From: Gyungoh Yoo <jack.yoo@skyworksinc.com>
>
> Signed-off-by: Gyungoh Yoo <jack.yoo@skyworksinc.com>
> Acked-by: Bryan Wu <cooloney@gmail.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

You did? Where is it?

>  .../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.

Does led-sources property being added in 3.20 work for this?

> +- 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.

Please append units (-volt)

> +- skyworks,short-detection-threshold   : It should be one of 4, 5, 6 and 7V.

Please append units (-volt)

> +- skyworks,current-limit       : It should be 2300mA or 2750mA.

Please append units (-mA)

> +
> +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
>
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Gyungoh Yoo Feb. 5, 2015, 4:59 a.m. UTC | #3
On Wed, Feb 04, 2015 at 09:11:22AM -0600, Rob Herring wrote:
> On Fri, Jan 23, 2015 at 12:28 AM,  <gyungoh@gmail.com> wrote:
> > From: Gyungoh Yoo <jack.yoo@skyworksinc.com>
> >
> > Signed-off-by: Gyungoh Yoo <jack.yoo@skyworksinc.com>
> > Acked-by: Bryan Wu <cooloney@gmail.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
> 
> You did? Where is it?

It was just changes on version 2.
Since that version, the patch series was separted.

> 
> >  .../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.
> 
> Does led-sources property being added in 3.20 work for this?

I think so. I will modify it.

> 
> > +- 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.
> 
> Please append units (-volt)

I will append it and resubmit the patch.

Thanks.

> 
> > +- skyworks,short-detection-threshold   : It should be one of 4, 5, 6 and 7V.
> 
> Please append units (-volt)
> 
> > +- skyworks,current-limit       : It should be 2300mA or 2750mA.
> 
> Please append units (-mA)
> 
> > +
> > +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
> >
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diff mbox

Patch

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>;
+	};