Понедельник, 10 февраля 2014, 14:05 +02:00 от Tomi Valkeinen <tomi.valkeinen@xxxxxx>:
> On 21/12/13 13:08, Alexander Shiyan wrote:
> > This patch replaces custom lcd_power() callback with
> > regulator API over LCD class.
> >
> > Signed-off-by: Alexander Shiyan <shc_work@xxxxxxx>
> > ---
> > .../devicetree/bindings/video/fsl,imx-fb.txt | 1 +
> > arch/arm/mach-imx/mach-mx27ads.c | 55 +++++++++++++++--
> > drivers/video/imxfb.c | 71
> +++++++++++++++++++---
> > include/linux/platform_data/video-imxfb.h | 1 -
> > 4 files changed, 114 insertions(+), 14 deletions(-)
> >
> > diff --git a/Documentation/devicetree/bindings/video/fsl,imx-fb.txt
> b/Documentation/devicetree/bindings/video/fsl,imx-fb.txt
> > index 46da08d..e6b1ee9 100644
> > --- a/Documentation/devicetree/bindings/video/fsl,imx-fb.txt
> > +++ b/Documentation/devicetree/bindings/video/fsl,imx-fb.txt
> > @@ -15,6 +15,7 @@ Required nodes:
> > - fsl,pcr: LCDC PCR value
> >
> > Optional properties:
> > +- lcd-supply: Regulator for LCD supply voltage.
> > - fsl,dmacr: DMA Control Register value. This is optional. By default, the
> > register is not modified as recommended by the datasheet.
> > - fsl,lscr1: LCDC Sharp Configuration Register value.
> > diff --git a/arch/arm/mach-imx/mach-mx27ads.c
...
> > +static void __init mx27ads_regulator_init(void)
> > +{
> > + struct gpio_chip *vchip;
> > +
> > + vchip = kzalloc(sizeof(*vchip), GFP_KERNEL);
> > + vchip->owner = THIS_MODULE;
> > + vchip->label = "LCD";
> > + vchip->base = MX27ADS_LCD_GPIO;
> > + vchip->ngpio = 1;
> > + vchip->direction_output = vgpio_dir_out;
> > + vchip->set = vgpio_set;
> > + gpiochip_add(vchip);
> > +
> > + platform_device_register_data(&platform_bus, "reg-fixed-voltage",
> > + PLATFORM_DEVID_AUTO,
> > + &mx27ads_lcd_regulator_pdata,
> > + sizeof(mx27ads_lcd_regulator_pdata));
> > +}
> > +
>
> Hmm, isn't all this something that should be in the board's .dts?
There are no DT support for this board yet.
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