[PATCH 5/6] eukrea_mbimxsd51: add IPU support
From: Eric Bénard <hidden>
Date: 2011-02-25 13:38:30
Subsystem:
arm port, the rest · Maintainers:
Russell King, Linus Torvalds
- TFT lcd or DVI output selection - if a TFT is used, add backight and lcd platform data Signed-off-by: Eric B?nard <redacted> --- arch/arm/mach-mx5/Kconfig | 1 + arch/arm/mach-mx5/eukrea_mbimxsd-baseboard.c | 131 ++++++++++++++++++++++++++ 2 files changed, 132 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-mx5/Kconfig b/arch/arm/mach-mx5/Kconfig
index ded1d2d..c50089b 100644
--- a/arch/arm/mach-mx5/Kconfig
+++ b/arch/arm/mach-mx5/Kconfig@@ -109,6 +109,7 @@ config MACH_EUKREA_MBIMXSD51_BASEBOARD bool select IMX_HAVE_PLATFORM_SDHCI_ESDHC_IMX select IMX_HAVE_PLATFORM_IMX_SSI + select IMX_HAVE_PLATFORM_IMX_IPUV3 help This adds board specific devices that can be found on Eukrea's MBIMXSD evaluation board.
diff --git a/arch/arm/mach-mx5/eukrea_mbimxsd-baseboard.c b/arch/arm/mach-mx5/eukrea_mbimxsd-baseboard.c
index 712061c..fe70e76 100644
--- a/arch/arm/mach-mx5/eukrea_mbimxsd-baseboard.c
+++ b/arch/arm/mach-mx5/eukrea_mbimxsd-baseboard.c@@ -30,6 +30,11 @@ #include <linux/gpio_keys.h> #include <linux/input.h> #include <linux/i2c.h> +#include <linux/mfd/imx-ipu-v3.h> +#include <linux/fb.h> +#include <linux/delay.h> +#include <video/platform_lcd.h> +#include <linux/backlight.h> #include <asm/mach-types.h> #include <asm/mach/arch.h>
@@ -41,6 +46,7 @@ #include <mach/imx-uart.h> #include <mach/iomux-mx51.h> #include <mach/audmux.h> +#include <mach/ipu-v3.h> #include "devices-imx51.h" #include "devices.h"
@@ -72,10 +78,78 @@ static iomux_v3_cfg_t eukrea_mbimxsd_pads[] = { MX51_PAD_AUD3_BB_RXD__AUD3_RXD, MX51_PAD_AUD3_BB_CK__AUD3_TXC, MX51_PAD_AUD3_BB_FS__AUD3_TXFS, + /* LCD */ + 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_DI1_PIN3__DI1_PIN3, + MX51_PAD_DI1_PIN2__DI1_PIN2, + /* LCD Backlight */ + MX51_PAD_DI1_D1_CS__GPIO3_4, + /* LCD RST */ + MX51_PAD_CSI1_D9__GPIO3_13, }; #define GPIO_LED1 IMX_GPIO_NR(3, 30) #define GPIO_SWITCH1 IMX_GPIO_NR(3, 31) +#define GPIO_LCDRST IMX_GPIO_NR(3, 13) +#define GPIO_LCDBL IMX_GPIO_NR(3, 4) + +static void eukrea_mbimxsd_lcd_power_set(struct plat_lcd_data *pd, + unsigned int power) +{ + if (power) + gpio_direction_output(GPIO_LCDRST, 1); + else + gpio_direction_output(GPIO_LCDRST, 0); +} + +static struct plat_lcd_data eukrea_mbimxsd_lcd_power_data = { + .set_power = eukrea_mbimxsd_lcd_power_set, +}; + +static struct platform_device eukrea_mbimxsd_lcd_powerdev = { + .name = "platform-lcd", + .dev.platform_data = &eukrea_mbimxsd_lcd_power_data, +}; + +static void eukrea_mbimxsd_bl_set_intensity(int intensity) +{ + if (intensity) + gpio_direction_output(GPIO_LCDBL, 1); + else + gpio_direction_output(GPIO_LCDBL, 0); +} + +static struct generic_bl_info eukrea_mbimxsd_bl_info = { + .name = "eukrea_mbimxsd-bl", + .max_intensity = 0xff, + .default_intensity = 0xff, + .set_bl_intensity = eukrea_mbimxsd_bl_set_intensity, +}; + +static struct platform_device eukrea_mbimxsd_bl_dev = { + .name = "generic-bl", + .id = 1, + .dev = { + .platform_data = &eukrea_mbimxsd_bl_info, + }, +}; static struct gpio_led eukrea_mbimxsd_leds[] = { {
@@ -138,6 +212,50 @@ static struct i2c_board_info eukrea_mbimxsd_i2c_devices[] = { }, }; +static struct fb_videomode fb_modedb[] = { + { + .name = "CMO-QVGA", + .refresh = 60, + .xres = 320, + .yres = 240, + .pixclock = KHZ2PICOS(6500), + .left_margin = 68, + .right_margin = 20, + .upper_margin = 15, + .lower_margin = 4, + .hsync_len = 30, + .vsync_len = 3, + .sync = FB_SYNC_OE_LOW_ACT, + .vmode = FB_VMODE_NONINTERLACED, + .flag = 0, + }, +}; + +static struct ipuv3_fb_platform_data eukrea_mbimxsd_fb0_data = { + .interface_pix_fmt = IPU_PIX_FMT_RGB666, + .flags = IMX_IPU_FB_USE_MODEDB, + .modes = fb_modedb, + .num_modes = ARRAY_SIZE(fb_modedb), + .display = 0, +}; + +static struct imx_ipuv3_platform_data ipu_data = { + .fb_head0_platform_data = &eukrea_mbimxsd_fb0_data, +}; + +static int screen_type; + +static int __init eukrea_mbimx51sd_screen_type(char *options) +{ + if (!strcmp(options, "dvi")) + screen_type = 1; + else if (!strcmp(options, "tft")) + screen_type = 0; + + return 0; +} +__setup("screen_type=", eukrea_mbimx51sd_screen_type); + static const struct imx_ssi_platform_data eukrea_mbimxsd_ssi_pdata __initconst = { .flags = IMX_SSI_SYN | IMX_SSI_NET | IMX_SSI_USE_I2S_SLAVE,
@@ -186,8 +304,21 @@ void __init eukrea_mbimxsd51_baseboard_init(void) gpio_direction_input(GPIO_SWITCH1); gpio_free(GPIO_SWITCH1); + gpio_request(GPIO_LCDRST, "LCDRST"); + gpio_direction_output(GPIO_LCDRST, 0); + gpio_free(GPIO_LCDRST); + gpio_request(GPIO_LCDBL, "LCDBL"); + gpio_direction_output(GPIO_LCDBL, 0); + gpio_free(GPIO_LCDBL); + if (!screen_type) { + platform_device_register(&eukrea_mbimxsd_bl_dev); + platform_device_register(&eukrea_mbimxsd_lcd_powerdev); + } + i2c_register_board_info(0, eukrea_mbimxsd_i2c_devices, ARRAY_SIZE(eukrea_mbimxsd_i2c_devices)); platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); + + imx51_add_ipuv3(&ipu_data); }
--
1.7.4