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MX27ADS: Add framebuffer support 

Add Sharp-QVGA panel support for MX27ADS board

Signed-off-by: Vladimir Barinov <vbarinov@embeddedalley.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
hifive-unleashed-5.1
Vladimir Barinov 2009-04-29 04:00:51 +04:00 committed by Sascha Hauer
parent c981214ac4
commit 11cda13d48
1 changed files with 70 additions and 0 deletions
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70
arch/arm/mach-mx2/mx27ads.c
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@ -36,6 +36,7 @@
#include <mach/board-mx27ads.h>
#include <mach/mxc_nand.h>
#include <mach/i2c.h>
#include <mach/imxfb.h>
#include "devices.h"
@ -92,6 +93,34 @@ static unsigned int mx27ads_pins[] = {
/* I2C2 */
PC5_PF_I2C2_SDA,
PC6_PF_I2C2_SCL,
/* FB */
PA5_PF_LSCLK,
PA6_PF_LD0,
PA7_PF_LD1,
PA8_PF_LD2,
PA9_PF_LD3,
PA10_PF_LD4,
PA11_PF_LD5,
PA12_PF_LD6,
PA13_PF_LD7,
PA14_PF_LD8,
PA15_PF_LD9,
PA16_PF_LD10,
PA17_PF_LD11,
PA18_PF_LD12,
PA19_PF_LD13,
PA20_PF_LD14,
PA21_PF_LD15,
PA22_PF_LD16,
PA23_PF_LD17,
PA24_PF_REV,
PA25_PF_CLS,
PA26_PF_PS,
PA27_PF_SPL_SPR,
PA28_PF_HSYNC,
PA29_PF_VSYNC,
PA30_PF_CONTRAST,
PA31_PF_OE_ACD,
};
static struct mxc_nand_platform_data mx27ads_nand_board_info = {
@ -128,6 +157,46 @@ static struct imxi2c_platform_data mx27ads_i2c_data = {
static struct i2c_board_info mx27ads_i2c_devices[] = {
};
void lcd_power(int on)
{
if (on)
__raw_writew(PBC_BCTRL1_LCDON, PBC_BCTRL1_SET_REG);
else
__raw_writew(PBC_BCTRL1_LCDON, PBC_BCTRL1_CLEAR_REG);
}
static struct imx_fb_platform_data mx27ads_fb_data = {
.pixclock = 188679,
.xres = 240,
.yres = 320,
.bpp = 16,
.hsync_len = 1,
.left_margin = 9,
.right_margin = 16,
.vsync_len = 1,
.upper_margin = 7,
.lower_margin = 9,
.fixed_screen_cpu = 0,
/*
* - HSYNC active high
* - VSYNC active high
* - clk notenabled while idle
* - clock inverted
* - data not inverted
* - data enable low active
* - enable sharp mode
*/
.pcr = 0xFB008BC0,
.pwmr = 0x00A903FF,
.lscr1 = 0x00120300,
.dmacr = 0x00020010,
.lcd_power = lcd_power,
};
static struct platform_device *platform_devices[] __initdata = {
&mx27ads_nor_mtd_device,
&mxc_fec_device,
@ -166,6 +235,7 @@ static void __init mx27ads_board_init(void)
i2c_register_board_info(1, mx27ads_i2c_devices,
ARRAY_SIZE(mx27ads_i2c_devices));
mxc_register_device(&mxc_i2c_device1, &mx27ads_i2c_data);
mxc_register_device(&mxc_fb_device, &mx27ads_fb_data);
platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
}