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[ARM] 4610/2: AT91: Support for STN LCD on SAM9261-EK board.

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Add STN LCD support on the Atmel AT91SAM9261-EK board.
Uses a black and white screen from Hitachi: SP06Q002.

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>
This commit is contained in:
Andrew Victor 2007-11-20 09:40:12 +01:00 committed by Russell King
parent b66545e7ae
commit 5170874816
1 changed files with 69 additions and 7 deletions
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76
arch/arm/mach-at91/board-sam9261ek.c
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@ -280,6 +280,68 @@ static struct spi_board_info ek_spi_devices[] = {
* LCD Controller
*/
#if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
#if defined(CONFIG_FB_ATMEL_STN)
/* STN */
static struct fb_videomode at91_stn_modes[] = {
{
.name = "SP06Q002 @ 75",
.refresh = 75,
.xres = 320, .yres = 240,
.pixclock = KHZ2PICOS(1440),
.left_margin = 1, .right_margin = 1,
.upper_margin = 0, .lower_margin = 0,
.hsync_len = 1, .vsync_len = 1,
.sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
.vmode = FB_VMODE_NONINTERLACED,
},
};
static struct fb_monspecs at91fb_default_stn_monspecs = {
.manufacturer = "HIT",
.monitor = "SP06Q002",
.modedb = at91_stn_modes,
.modedb_len = ARRAY_SIZE(at91_stn_modes),
.hfmin = 15000,
.hfmax = 64000,
.vfmin = 50,
.vfmax = 150,
};
#define AT91SAM9261_DEFAULT_STN_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \
| ATMEL_LCDC_DISTYPE_STNMONO \
| ATMEL_LCDC_CLKMOD_ALWAYSACTIVE \
| ATMEL_LCDC_IFWIDTH_4 \
| ATMEL_LCDC_SCANMOD_SINGLE)
static void at91_lcdc_stn_power_control(int on)
{
/* backlight */
if (on) { /* power up */
at91_set_gpio_value(AT91_PIN_PC14, 0);
at91_set_gpio_value(AT91_PIN_PC15, 0);
} else { /* power down */
at91_set_gpio_value(AT91_PIN_PC14, 1);
at91_set_gpio_value(AT91_PIN_PC15, 1);
}
}
static struct atmel_lcdfb_info __initdata ek_lcdc_data = {
.default_bpp = 1,
.default_dmacon = ATMEL_LCDC_DMAEN,
.default_lcdcon2 = AT91SAM9261_DEFAULT_STN_LCDCON2,
.default_monspecs = &at91fb_default_stn_monspecs,
.atmel_lcdfb_power_control = at91_lcdc_stn_power_control,
.guard_time = 1,
};
#else
/* TFT */
static struct fb_videomode at91_tft_vga_modes[] = {
{
.name = "TX09D50VM1CCA @ 60",
@ -296,7 +358,7 @@ static struct fb_videomode at91_tft_vga_modes[] = {
},
};
static struct fb_monspecs at91fb_default_monspecs = {
static struct fb_monspecs at91fb_default_tft_monspecs = {
.manufacturer = "HIT",
.monitor = "TX09D50VM1CCA",
@ -308,11 +370,11 @@ static struct fb_monspecs at91fb_default_monspecs = {
.vfmax = 150,
};
#define AT91SAM9261_DEFAULT_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \
#define AT91SAM9261_DEFAULT_TFT_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \
| ATMEL_LCDC_DISTYPE_TFT \
| ATMEL_LCDC_CLKMOD_ALWAYSACTIVE)
static void at91_lcdc_power_control(int on)
static void at91_lcdc_tft_power_control(int on)
{
if (on)
at91_set_gpio_value(AT91_PIN_PA12, 0); /* power up */
@ -320,15 +382,15 @@ static void at91_lcdc_power_control(int on)
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,
.default_lcdcon2 = AT91SAM9261_DEFAULT_TFT_LCDCON2,
.default_monspecs = &at91fb_default_tft_monspecs,
.atmel_lcdfb_power_control = at91_lcdc_tft_power_control,
.guard_time = 1,
};
#endif
#else
static struct atmel_lcdfb_info __initdata ek_lcdc_data;