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>

1 files changed, 70 insertions, 0 deletions

diff --git a/arch/arm/mach-mx2/mx27ads.c b/arch/arm/mach-mx2/mx27ads.c
index bf131457c0e5..41d67f2ba390 100644
--- 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));
 }