[PATCH 5/6] eukrea_mbimxsd51: add IPU support
Eric Bénard
eric at eukrea.com
Fri Feb 25 08:38:30 EST 2011
- TFT lcd or DVI output selection
- if a TFT is used, add backight and lcd platform data
Signed-off-by: Eric Bénard <eric at eukrea.com>
---
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
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