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[ARM] 4379/1: AT91: LCD support on SAM9261-EK and SAM9263-EK boards
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Add board-specific setup for the LCD on the Atmel AT91SAM9261-EK and
AT91SAM9263-EK boards.

Signed-off-by: Nicolas Ferre <nicolas.ferre@rfo.atmel.com>
Signed-off-by: Andrew Victor <andrew@sanpeople.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Andrew Victor authored and Russell King committed Jul 12, 2007
1 parent 7dcca30 commit cdf95c7
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64 changes: 64 additions & 0 deletions arch/arm/mach-at91/board-sam9261ek.c
Original file line number Diff line number Diff line change
Expand Up @@ -27,6 +27,9 @@
#include <linux/spi/spi.h>
#include <linux/spi/ads7846.h>
#include <linux/dm9000.h>
#include <linux/fb.h>

#include <video/atmel_lcdc.h>

#include <asm/hardware.h>
#include <asm/setup.h>
Expand Down Expand Up @@ -271,6 +274,65 @@ static struct spi_board_info ek_spi_devices[] = {
};


/*
* LCD Controller
*/
#if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
static struct fb_videomode at91_tft_vga_modes[] = {
{
.name = "TX09D50VM1CCA @ 60",
.refresh = 60,
.xres = 240, .yres = 320,
.pixclock = KHZ2PICOS(4965),

.left_margin = 1, .right_margin = 33,
.upper_margin = 1, .lower_margin = 0,
.hsync_len = 5, .vsync_len = 1,

.sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
.vmode = FB_VMODE_NONINTERLACED,
},
};

static struct fb_monspecs at91fb_default_monspecs = {
.manufacturer = "HIT",
.monitor = "TX09D50VM1CCA",

.modedb = at91_tft_vga_modes,
.modedb_len = ARRAY_SIZE(at91_tft_vga_modes),
.hfmin = 15000,
.hfmax = 64000,
.vfmin = 50,
.vfmax = 150,
};

#define AT91SAM9261_DEFAULT_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \
| ATMEL_LCDC_DISTYPE_TFT \
| ATMEL_LCDC_CLKMOD_ALWAYSACTIVE)

static void at91_lcdc_power_control(int on)
{
if (on)
at91_set_gpio_value(AT91_PIN_PA12, 0); /* power up */
else
at91_set_gpio_value(AT91_PIN_PA12, 1); /* power down */
}

/* Driver datas */
static struct atmel_lcdfb_info __initdata ek_lcdc_data = {
.default_bpp = 16,
.default_dmacon = ATMEL_LCDC_DMAEN,
.default_lcdcon2 = AT91SAM9261_DEFAULT_LCDCON2,
.default_monspecs = &at91fb_default_monspecs,
.atmel_lcdfb_power_control = at91_lcdc_power_control,
.guard_time = 1,
};

#else
static struct atmel_lcdfb_info __initdata ek_lcdc_data;
#endif


static void __init ek_board_init(void)
{
/* Serial */
Expand All @@ -296,6 +358,8 @@ static void __init ek_board_init(void)
/* MMC */
at91_add_device_mmc(0, &ek_mmc_data);
#endif
/* LCD Controller */
at91_add_device_lcdc(&ek_lcdc_data);
}

MACHINE_START(AT91SAM9261EK, "Atmel AT91SAM9261-EK")
Expand Down
64 changes: 64 additions & 0 deletions arch/arm/mach-at91/board-sam9263ek.c
Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,9 @@
#include <linux/platform_device.h>
#include <linux/spi/spi.h>
#include <linux/spi/ads7846.h>
#include <linux/fb.h>

#include <video/atmel_lcdc.h>

#include <asm/hardware.h>
#include <asm/setup.h>
Expand Down Expand Up @@ -201,6 +204,65 @@ static struct at91_nand_data __initdata ek_nand_data = {
};


/*
* LCD Controller
*/
#if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
static struct fb_videomode at91_tft_vga_modes[] = {
{
.name = "TX09D50VM1CCA @ 60",
.refresh = 60,
.xres = 240, .yres = 320,
.pixclock = KHZ2PICOS(4965),

.left_margin = 1, .right_margin = 33,
.upper_margin = 1, .lower_margin = 0,
.hsync_len = 5, .vsync_len = 1,

.sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
.vmode = FB_VMODE_NONINTERLACED,
},
};

static struct fb_monspecs at91fb_default_monspecs = {
.manufacturer = "HIT",
.monitor = "TX09D70VM1CCA",

.modedb = at91_tft_vga_modes,
.modedb_len = ARRAY_SIZE(at91_tft_vga_modes),
.hfmin = 15000,
.hfmax = 64000,
.vfmin = 50,
.vfmax = 150,
};

#define AT91SAM9263_DEFAULT_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \
| ATMEL_LCDC_DISTYPE_TFT \
| ATMEL_LCDC_CLKMOD_ALWAYSACTIVE)

static void at91_lcdc_power_control(int on)
{
if (on)
at91_set_gpio_value(AT91_PIN_PD12, 0); /* power up */
else
at91_set_gpio_value(AT91_PIN_PD12, 1); /* power down */
}

/* Driver datas */
static struct atmel_lcdfb_info __initdata ek_lcdc_data = {
.default_bpp = 16,
.default_dmacon = ATMEL_LCDC_DMAEN,
.default_lcdcon2 = AT91SAM9263_DEFAULT_LCDCON2,
.default_monspecs = &at91fb_default_monspecs,
.atmel_lcdfb_power_control = at91_lcdc_power_control,
.guard_time = 1,
};

#else
static struct atmel_lcdfb_info __initdata ek_lcdc_data;
#endif


/*
* AC97
*/
Expand Down Expand Up @@ -230,6 +292,8 @@ static void __init ek_board_init(void)
at91_add_device_nand(&ek_nand_data);
/* I2C */
at91_add_device_i2c();
/* LCD Controller */
at91_add_device_lcdc(&ek_lcdc_data);
/* AC97 */
at91_add_device_ac97(&ek_ac97_data);
}
Expand Down

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