ARM: EXYNOS5: add device tree node for display controller

Add device tree node for display controller in samsung's exynos5 based
SMDK5250 board

Signed-off-by: Banajit Goswami <banajit.g@samsung.com>

diff --git a/arch/arm/boot/dts/exynos5250.dtsi b/arch/arm/boot/dts/exynos5250.dtsi
index ad67b6f..b98212e 100644 (file)
--- a/arch/arm/boot/dts/exynos5250.dtsi
+++ b/arch/arm/boot/dts/exynos5250.dtsi
@@ -534,4 +534,11 @@
                        #gpio-cells = <4>;
                };
        };
+
+       fimd {
+               compatible = "samsung,exynos5-fb";
+               interrupt-parent = <&combiner>;
+               reg = <0x14400000 0x40000>;
+               interrupts = <18 4>, <18 5>, <18 6>;
+       };
 };

diff --git a/arch/arm/mach-exynos/mach-exynos5-dt.c b/arch/arm/mach-exynos/mach-exynos5-dt.c
index 670df2f..d0629fe 100644 (file)
--- a/arch/arm/mach-exynos/mach-exynos5-dt.c
+++ b/arch/arm/mach-exynos/mach-exynos5-dt.c
@@ -27,6 +27,9 @@
 #include <mach/sysmmu.h>
 
 #include <plat/cpu.h>
+#include <plat/fb.h>
+#include <plat/gpio-cfg.h>
+#include <plat/regs-fb.h>
 #include <plat/regs-serial.h>
 #include <plat/regs-srom.h>
 #include <plat/backlight.h>
@@ -61,6 +64,90 @@ static void __init smsc911x_init(int ncs)
                S5P_SROM_BC0 + (ncs * 4));
 }
 
+static struct s3c_fb_pd_win smdk5250_fb_win0 = {
+       .win_mode = {
+               .left_margin    = 4,
+               .right_margin   = 4,
+               .upper_margin   = 4,
+               .lower_margin   = 4,
+               .hsync_len      = 4,
+               .vsync_len      = 4,
+               .xres           = 1280,
+               .yres           = 800,
+       },
+       .virtual_x              = 1280,
+       .virtual_y              = 800 * 2,
+       .width                  = 223,
+       .height                 = 125,
+       .max_bpp                = 32,
+       .default_bpp            = 24,
+};
+
+static struct s3c_fb_pd_win smdk5250_fb_win1 = {
+       .win_mode = {
+               .left_margin    = 4,
+               .right_margin   = 4,
+               .upper_margin   = 4,
+               .lower_margin   = 4,
+               .hsync_len      = 4,
+               .vsync_len      = 4,
+               .xres           = 1280,
+               .yres           = 800,
+       },
+       .virtual_x              = 1280,
+       .virtual_y              = 800 * 2,
+       .width                  = 223,
+       .height                 = 125,
+       .max_bpp                = 32,
+       .default_bpp            = 24,
+};
+
+static struct s3c_fb_pd_win smdk5250_fb_win2 = {
+       .win_mode = {
+               .left_margin    = 0x4,
+               .right_margin   = 0x4,
+               .upper_margin   = 4,
+               .lower_margin   = 4,
+               .hsync_len      = 4,
+               .vsync_len      = 4,
+               .xres           = 1280,
+               .yres           = 800,
+       },
+       .virtual_x              = 1280,
+       .virtual_y              = 800 * 2,
+       .width                  = 223,
+       .height                 = 125,
+       .max_bpp                = 32,
+       .default_bpp            = 24,
+};
+
+static void exynos_fimd_gpio_setup_24bpp(void)
+{
+       unsigned int reg = 0;
+
+       /*
+        * Set DISP1BLK_CFG register for Display path selection
+        * FIMD of DISP1_BLK Bypass selection : DISP1BLK_CFG[15]
+        * ---------------------
+        * 0 | MIE/MDNIE
+        * 1 | FIMD : selected
+        */
+       reg = __raw_readl(S3C_VA_SYS + 0x0214);
+       reg &= ~(1 << 15);      /* To save other reset values */
+       reg |= (1 << 15);
+       __raw_writel(reg, S3C_VA_SYS + 0x0214);
+}
+
+static struct s3c_fb_platdata smdk5250_lcd1_pdata __initdata = {
+       .win[0]         = &smdk5250_fb_win0,
+       .win[1]         = &smdk5250_fb_win1,
+       .win[2]         = &smdk5250_fb_win2,
+       .default_win    = 0,
+       .vidcon0        = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
+       .vidcon1        = VIDCON1_INV_VCLK,
+       .setup_gpio     = exynos_fimd_gpio_setup_24bpp,
+};
+
 static struct platform_device exynos_drm_device = {
        .name           = "exynos-drm",
        .dev = {
@@ -280,6 +367,8 @@ static const struct of_dev_auxdata exynos5250_auxdata_lookup[] __initconst = {
                                "s5p-sysmmu.25", &platdata_sysmmu_gsc),
        OF_DEV_AUXDATA("samsung,s5p-sysmmu", 0x13EB0000,
                                "s5p-sysmmu.26", &platdata_sysmmu_gsc),
+       OF_DEV_AUXDATA("samsung,exynos5-fb", 0x14400000,
+                               "exynos5-fb", &smdk5250_lcd1_pdata),
        {},
 };