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>

diff --git a/arch/arm/mach-mx2/mx27ads.c b/arch/arm/mach-mx2/mx27ads.c
index bf13145..41d67f2 100644 (file)
--- a/arch/arm/mach-mx2/mx27ads.c
+++ b/arch/arm/mach-mx2/mx27ads.c
@@ -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));
 }