ARM: EXYNOS5: add device tree node for mipi dsi

Add device tree node for mipi dsi in samsung's exynos5 based SMDK5250 board

Change-Id: Ib6c01faf1b863ff637878bc83d224ad841d8b46a
Signed-off-by: Abhilash Kesavan <a.kesavan@samsung.com>
Signed-off-by: Prathyush K <prathyush.k@samsung.com>

diff --git a/arch/arm/boot/dts/exynos5250.dtsi b/arch/arm/boot/dts/exynos5250.dtsi
index b98212e..084290a 100644 (file)
--- a/arch/arm/boot/dts/exynos5250.dtsi
+++ b/arch/arm/boot/dts/exynos5250.dtsi
@@ -541,4 +541,10 @@
                reg = <0x14400000 0x40000>;
                interrupts = <18 4>, <18 5>, <18 6>;
        };
+
+       mipi {
+               compatible = "samsung,exynos5-mipi";
+               reg = <0x14500000 0x10000>;
+               interrupts = <0 82 0>;
+       };
 };

diff --git a/arch/arm/mach-exynos/mach-exynos5-dt.c b/arch/arm/mach-exynos/mach-exynos5-dt.c
index d0629fe..b3dc8c6 100644 (file)
--- a/arch/arm/mach-exynos/mach-exynos5-dt.c
+++ b/arch/arm/mach-exynos/mach-exynos5-dt.c
@@ -27,7 +27,9 @@
 #include <mach/sysmmu.h>
 
 #include <plat/cpu.h>
+#include <plat/dsim.h>
 #include <plat/fb.h>
+#include <plat/mipi_dsi.h>
 #include <plat/gpio-cfg.h>
 #include <plat/regs-fb.h>
 #include <plat/regs-serial.h>
@@ -148,6 +150,71 @@ static struct s3c_fb_platdata smdk5250_lcd1_pdata __initdata = {
        .setup_gpio     = exynos_fimd_gpio_setup_24bpp,
 };
 
+static struct mipi_dsim_config dsim_info = {
+       .e_interface            = DSIM_VIDEO,
+       .e_pixel_format         = DSIM_24BPP_888,
+       /* main frame fifo auto flush at VSYNC pulse */
+       .auto_flush             = false,
+       .eot_disable            = false,
+       .auto_vertical_cnt      = false,
+       .hse                    = false,
+       .hfp                    = false,
+       .hbp                    = false,
+       .hsa                    = false,
+
+       .e_no_data_lane         = DSIM_DATA_LANE_4,
+       .e_byte_clk             = DSIM_PLL_OUT_DIV8,
+       .e_burst_mode           = DSIM_BURST,
+
+       .p                      = 3,
+       .m                      = 115,
+       .s                      = 1,
+
+       /* D-PHY PLL stable time spec :min = 200usec ~ max 400usec */
+       .pll_stable_time        = 500,
+
+       .esc_clk                = 0.4 * 1000000, /* escape clk : 10MHz */
+
+       /* stop state holding counter after bta change count 0 ~ 0xfff */
+       .stop_holding_cnt       = 0x0f,
+       .bta_timeout            = 0xff,         /* bta timeout 0 ~ 0xff */
+       .rx_timeout             = 0xffff,       /* lp rx timeout 0 ~ 0xffff */
+
+       .dsim_ddi_pd = &tc358764_mipi_lcd_driver,
+};
+
+static struct mipi_dsim_lcd_config dsim_lcd_info = {
+       .rgb_timing.left_margin         = 0x4,
+       .rgb_timing.right_margin        = 0x4,
+       .rgb_timing.upper_margin        = 0x4,
+       .rgb_timing.lower_margin        =  0x4,
+       .rgb_timing.hsync_len           = 0x4,
+       .rgb_timing.vsync_len           = 0x4,
+       .cpu_timing.cs_setup            = 0,
+       .cpu_timing.wr_setup            = 1,
+       .cpu_timing.wr_act              = 0,
+       .cpu_timing.wr_hold             = 0,
+       .lcd_size.width                 = 1280,
+       .lcd_size.height                = 800,
+};
+
+static struct s5p_platform_mipi_dsim dsim_platform_data = {
+       .clk_name               = "dsim0",
+       .dsim_config            = &dsim_info,
+       .dsim_lcd_config        = &dsim_lcd_info,
+
+       .part_reset             = s5p_dsim_part_reset,
+       .init_d_phy             = s5p_dsim_init_d_phy,
+       .get_fb_frame_done      = NULL,
+       .trigger                = NULL,
+
+       /*
+        * the stable time of needing to write data on SFR
+        * when the mipi mode becomes LP mode.
+        */
+       .delay_for_stabilization = 600,
+};
+
 static struct platform_device exynos_drm_device = {
        .name           = "exynos-drm",
        .dev = {
@@ -369,6 +436,8 @@ static const struct of_dev_auxdata exynos5250_auxdata_lookup[] __initconst = {
                                "s5p-sysmmu.26", &platdata_sysmmu_gsc),
        OF_DEV_AUXDATA("samsung,exynos5-fb", 0x14400000,
                                "exynos5-fb", &smdk5250_lcd1_pdata),
+       OF_DEV_AUXDATA("samsung,exynos5-mipi", 0x14500000,
+                               "s5p-mipi-dsim", &dsim_platform_data),
        {},
 };