[PATCH 7/7] ARM i.MX51 babbage: Add framebuffer support

[Sascha Hauer]

On Thu, Feb 17, 2011 at 07:11:54PM +0100, Arnaud Patard wrote:
> Sascha Hauer <s.hauer at pengutronix.de> writes:
> 
> Hi,
> 
> > Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
> > ---
> >  arch/arm/mach-mx5/Kconfig              |    1 +
> >  arch/arm/mach-mx5/board-mx51_babbage.c |   74 ++++++++++++++++++++++++++++++++
> >  2 files changed, 75 insertions(+), 0 deletions(-)
> >
> > diff --git a/arch/arm/mach-mx5/Kconfig b/arch/arm/mach-mx5/Kconfig
> > index de4fa992f..89e71da 100644
> > --- a/arch/arm/mach-mx5/Kconfig
> > +++ b/arch/arm/mach-mx5/Kconfig
> > @@ -42,6 +42,7 @@ config MACH_MX51_BABBAGE
> >  	select IMX_HAVE_PLATFORM_IMX_UART
> >  	select IMX_HAVE_PLATFORM_SDHCI_ESDHC_IMX
> >  	select IMX_HAVE_PLATFORM_SPI_IMX
> > +	select IMX_HAVE_PLATFORM_IMX_IPUV3
> >  	help
> >  	  Include support for MX51 Babbage platform, also known as MX51EVK in
> >  	  u-boot. This includes specific configurations for the board and its
> > diff --git a/arch/arm/mach-mx5/board-mx51_babbage.c b/arch/arm/mach-mx5/board-mx51_babbage.c
> > index 1d231e8..c5170e8 100644
> > --- a/arch/arm/mach-mx5/board-mx51_babbage.c
> > +++ b/arch/arm/mach-mx5/board-mx51_babbage.c
> > @@ -22,11 +22,13 @@
> >  #include <linux/input.h>
> >  #include <linux/spi/flash.h>
> >  #include <linux/spi/spi.h>
> > +#include <linux/mfd/imx-ipu-v3.h>
> >  
> >  #include <mach/common.h>
> >  #include <mach/hardware.h>
> >  #include <mach/iomux-mx51.h>
> >  #include <mach/mxc_ehci.h>
> > +#include <mach/ipu-v3.h>
> >  
> >  #include <asm/irq.h>
> >  #include <asm/setup.h>
> > @@ -158,6 +160,41 @@ static iomux_v3_cfg_t mx51babbage_pads[] = {
> >  	MX51_PAD_CSPI1_SCLK__ECSPI1_SCLK,
> >  	MX51_PAD_CSPI1_SS0__GPIO4_24,
> >  	MX51_PAD_CSPI1_SS1__GPIO4_25,
> > +
> > +	/* Display */
> > +	MX51_PAD_DISPB2_SER_DIN__GPIO3_5,
> > +	MX51_PAD_DISPB2_SER_DIO__GPIO3_6,
> > +	MX51_PAD_NANDF_D12__GPIO3_28,
> > +
> > +	MX51_PAD_DISP1_DAT0__DISP1_DAT0,
> > +	MX51_PAD_DISP1_DAT1__DISP1_DAT1,
> > +	MX51_PAD_DISP1_DAT2__DISP1_DAT2,
> > +	MX51_PAD_DISP1_DAT3__DISP1_DAT3,
> > +	MX51_PAD_DISP1_DAT4__DISP1_DAT4,
> > +	MX51_PAD_DISP1_DAT5__DISP1_DAT5,
> > +	MX51_PAD_DISP1_DAT6__DISP1_DAT6,
> > +	MX51_PAD_DISP1_DAT7__DISP1_DAT7,
> > +	MX51_PAD_DISP1_DAT8__DISP1_DAT8,
> > +	MX51_PAD_DISP1_DAT9__DISP1_DAT9,
> > +	MX51_PAD_DISP1_DAT10__DISP1_DAT10,
> > +	MX51_PAD_DISP1_DAT11__DISP1_DAT11,
> > +	MX51_PAD_DISP1_DAT12__DISP1_DAT12,
> > +	MX51_PAD_DISP1_DAT13__DISP1_DAT13,
> > +	MX51_PAD_DISP1_DAT14__DISP1_DAT14,
> > +	MX51_PAD_DISP1_DAT15__DISP1_DAT15,
> > +	MX51_PAD_DISP1_DAT16__DISP1_DAT16,
> > +	MX51_PAD_DISP1_DAT17__DISP1_DAT17,
> > +	MX51_PAD_DISP1_DAT18__DISP1_DAT18,
> > +	MX51_PAD_DISP1_DAT19__DISP1_DAT19,
> > +	MX51_PAD_DISP1_DAT20__DISP1_DAT20,
> > +	MX51_PAD_DISP1_DAT21__DISP1_DAT21,
> > +	MX51_PAD_DISP1_DAT22__DISP1_DAT22,
> > +	MX51_PAD_DISP1_DAT23__DISP1_DAT23,
> > +#define MX51_PAD_DI_GP4__IPU_DI2_PIN15                 IOMUX_PAD(0x758, 0x350, 4, 0x0,   0, NO_PAD_CTRL)
> > +	MX51_PAD_DI_GP4__IPU_DI2_PIN15,
> > +
> > +	/* I2C DVI enable */
> > +	MX51_PAD_CSI2_HSYNC__GPIO4_14,
> >  };
> >  
> >  /* Serial ports */
> > @@ -346,6 +383,23 @@ static const struct spi_imx_master mx51_babbage_spi_pdata __initconst = {
> >  	.num_chipselect = ARRAY_SIZE(mx51_babbage_spi_cs),
> >  };
> >  
> > +static struct ipuv3_fb_platform_data babbage_fb0_data = {
> > +	.interface_pix_fmt = IPU_PIX_FMT_RGB24,
> > +	.flags = IMX_IPU_FB_USE_MODEDB | IMX_IPU_FB_USE_OVERLAY,
> > +	.display = 0,
> > +};
> > +
> > +static struct ipuv3_fb_platform_data babbage_fb1_data = {
> > +	.interface_pix_fmt = IPU_PIX_FMT_RGB565,
> > +	.flags = IMX_IPU_FB_USE_MODEDB,
> > +	.display = 1,
> > +};
> > +
> > +static struct imx_ipuv3_platform_data ipu_data = {
> > +	.fb_head0_platform_data = &babbage_fb0_data,
> > +	.fb_head1_platform_data = &babbage_fb1_data,
> > +};
> > +
> >  /*
> >   * Board specific initialization.
> >   */
> > @@ -392,6 +446,26 @@ static void __init mxc_board_init(void)
> >  		ARRAY_SIZE(mx51_babbage_spi_board_info));
> >  	imx51_add_ecspi(0, &mx51_babbage_spi_pdata);
> >  	imx51_add_imx2_wdt(0, NULL);
> > +
> > +#define GPIO_DVI_DETECT	(2 * 32 + 28)
> > +#define GPIO_DVI_RESET	(2 * 32 + 5)
> > +#define GPIO_DVI_PWRDN	(2 * 32 + 6)
> > +#define GPIO_DVI_I2C	(3 * 32 + 14)
> 
> What about using IMX_GPIO_NR() ?

Yes, changed. Also I'll use gpio_request_array which simplfifies the
code a bit and adds proper error checking.

Sascha

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