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    Subject[PATCH 9/9] ARM i.MX51 babbage: Add framebuffer support
    Date
    Signed-off-by: Sascha Hauer <s.hauer@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 5011f42..2a936b7 100644
    --- a/arch/arm/mach-mx5/Kconfig
    +++ b/arch/arm/mach-mx5/Kconfig
    @@ -22,6 +22,7 @@ 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 368a315..6c1576c 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__GPIO_4_24,
    MX51_PAD_CSPI1_SS1__GPIO_4_25,
    +
    + /* Display */
    + MX51_PAD_DISPB2_SER_DIN__GPIO_3_5,
    + MX51_PAD_DISPB2_SER_DIO__GPIO_3_6,
    + MX51_PAD_NANDF_D12__GPIO_3_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__GPIO_4_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)
    +
    + /* DVI Detect */
    + gpio_request(GPIO_DVI_DETECT, "dvi detect");
    + gpio_direction_input(GPIO_DVI_DETECT);
    + /* DVI Reset - Assert for i2c disabled mode */
    + gpio_request(GPIO_DVI_RESET, "dvi reset");
    + gpio_direction_output(GPIO_DVI_RESET, 0);
    + /* DVI Power-down */
    + gpio_request(GPIO_DVI_PWRDN, "dvi pwdn");
    + gpio_direction_output(GPIO_DVI_PWRDN, 1);
    +
    + gpio_request(GPIO_DVI_I2C, "dvi i2c");
    + gpio_direction_output(GPIO_DVI_I2C, 0);
    +
    + imx51_add_ipuv3(&ipu_data);
    }

    static void __init mx51_babbage_timer_init(void)
    --
    1.7.2.3


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