ARM: mxs/mx28evk: add framebuffer device

Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

2 files changed, 77 insertions, 0 deletions

diff --git a/arch/arm/mach-mxs/Kconfig b/arch/arm/mach-mxs/Kconfig
index 5ea676af8608..4f6f174af6c8 100644
--- a/arch/arm/mach-mxs/Kconfig
+++ b/arch/arm/mach-mxs/Kconfig
@@ -35,6 +35,7 @@ config MACH_MX28EVK
         select MXS_HAVE_PLATFORM_AUART
         select MXS_HAVE_PLATFORM_FEC
         select MXS_HAVE_PLATFORM_FLEXCAN
+        select MXS_HAVE_PLATFORM_MXSFB
         select MXS_OCOTP
         default y
         help
diff --git a/arch/arm/mach-mxs/mach-mx28evk.c b/arch/arm/mach-mxs/mach-mx28evk.c
index 8bb221754e4e..08002d02267a 100644
--- a/arch/arm/mach-mxs/mach-mx28evk.c
+++ b/arch/arm/mach-mxs/mach-mx28evk.c
@@ -30,6 +30,8 @@
 
 #define MX28EVK_FLEXCAN_SWITCH  MXS_GPIO_NR(2, 13)
 #define MX28EVK_FEC_PHY_POWER   MXS_GPIO_NR(2, 15)
+#define MX28EVK_BL_ENABLE       MXS_GPIO_NR(3, 18)
+#define MX28EVK_LCD_ENABLE      MXS_GPIO_NR(3, 30)
 #define MX28EVK_FEC_PHY_RESET   MXS_GPIO_NR(4, 13)
 
 static const iomux_cfg_t mx28evk_pads[] __initconst = {
@@ -79,6 +81,40 @@ static const iomux_cfg_t mx28evk_pads[] __initconst = {
         MX28_PAD_GPMI_CE3N__CAN1_RX,
         /* transceiver power control */
         MX28_PAD_SSP1_CMD__GPIO_2_13,
+
+        /* mxsfb (lcdif) */
+        MX28_PAD_LCD_D00__LCD_D0 | MXS_PAD_CTRL,
+        MX28_PAD_LCD_D01__LCD_D1 | MXS_PAD_CTRL,
+        MX28_PAD_LCD_D02__LCD_D2 | MXS_PAD_CTRL,
+        MX28_PAD_LCD_D03__LCD_D3 | MXS_PAD_CTRL,
+        MX28_PAD_LCD_D04__LCD_D4 | MXS_PAD_CTRL,
+        MX28_PAD_LCD_D05__LCD_D5 | MXS_PAD_CTRL,
+        MX28_PAD_LCD_D06__LCD_D6 | MXS_PAD_CTRL,
+        MX28_PAD_LCD_D07__LCD_D7 | MXS_PAD_CTRL,
+        MX28_PAD_LCD_D08__LCD_D8 | MXS_PAD_CTRL,
+        MX28_PAD_LCD_D09__LCD_D9 | MXS_PAD_CTRL,
+        MX28_PAD_LCD_D10__LCD_D10 | MXS_PAD_CTRL,
+        MX28_PAD_LCD_D11__LCD_D11 | MXS_PAD_CTRL,
+        MX28_PAD_LCD_D12__LCD_D12 | MXS_PAD_CTRL,
+        MX28_PAD_LCD_D13__LCD_D13 | MXS_PAD_CTRL,
+        MX28_PAD_LCD_D14__LCD_D14 | MXS_PAD_CTRL,
+        MX28_PAD_LCD_D15__LCD_D15 | MXS_PAD_CTRL,
+        MX28_PAD_LCD_D16__LCD_D16 | MXS_PAD_CTRL,
+        MX28_PAD_LCD_D17__LCD_D17 | MXS_PAD_CTRL,
+        MX28_PAD_LCD_D18__LCD_D18 | MXS_PAD_CTRL,
+        MX28_PAD_LCD_D19__LCD_D19 | MXS_PAD_CTRL,
+        MX28_PAD_LCD_D20__LCD_D20 | MXS_PAD_CTRL,
+        MX28_PAD_LCD_D21__LCD_D21 | MXS_PAD_CTRL,
+        MX28_PAD_LCD_D22__LCD_D22 | MXS_PAD_CTRL,
+        MX28_PAD_LCD_D23__LCD_D23 | MXS_PAD_CTRL,
+        MX28_PAD_LCD_RD_E__LCD_VSYNC | MXS_PAD_CTRL,
+        MX28_PAD_LCD_WR_RWN__LCD_HSYNC | MXS_PAD_CTRL,
+        MX28_PAD_LCD_RS__LCD_DOTCLK | MXS_PAD_CTRL,
+        MX28_PAD_LCD_CS__LCD_ENABLE | MXS_PAD_CTRL,
+        /* LCD panel enable */
+        MX28_PAD_LCD_RESET__GPIO_3_30 | MXS_PAD_CTRL,
+        /* backlight control */
+        MX28_PAD_PWM2__GPIO_3_18 | MXS_PAD_CTRL,
 };
 
 /* fec */
@@ -196,6 +232,32 @@ static const struct flexcan_platform_data
         }
 };
 
+/* mxsfb (lcdif) */
+static struct fb_videomode mx28evk_video_modes[] = {
+        {
+                .name           = "Seiko-43WVF1G",
+                .refresh        = 60,
+                .xres           = 800,
+                .yres           = 480,
+                .pixclock       = 29851, /* picosecond (33.5 MHz) */
+                .left_margin    = 89,
+                .right_margin   = 164,
+                .upper_margin   = 23,
+                .lower_margin   = 10,
+                .hsync_len      = 10,
+                .vsync_len      = 10,
+                .sync           = FB_SYNC_DATA_ENABLE_HIGH_ACT |
+                                  FB_SYNC_DOTCLK_FAILING_ACT,
+        },
+};
+
+static const struct mxsfb_platform_data mx28evk_mxsfb_pdata __initconst = {
+        .mode_list      = mx28evk_video_modes,
+        .mode_count     = ARRAY_SIZE(mx28evk_video_modes),
+        .default_bpp    = 32,
+        .ld_intf_width  = STMLCDIF_24BIT,
+};
+
 static void __init mx28evk_init(void)
 {
         int ret;
@@ -221,6 +283,20 @@ static void __init mx28evk_init(void)
                 mx28_add_flexcan(0, &mx28evk_flexcan_pdata[0]);
                 mx28_add_flexcan(1, &mx28evk_flexcan_pdata[1]);
         }
+
+        ret = gpio_request_one(MX28EVK_LCD_ENABLE, GPIOF_DIR_OUT, "lcd-enable");
+        if (ret)
+                pr_warn("failed to request gpio lcd-enable: %d\n", ret);
+        else
+                gpio_set_value(MX28EVK_LCD_ENABLE, 1);
+
+        ret = gpio_request_one(MX28EVK_BL_ENABLE, GPIOF_DIR_OUT, "bl-enable");
+        if (ret)
+                pr_warn("failed to request gpio bl-enable: %d\n", ret);
+        else
+                gpio_set_value(MX28EVK_BL_ENABLE, 1);
+
+        mx28_add_mxsfb(&mx28evk_mxsfb_pdata);
 }
 
 static void __init mx28evk_timer_init(void)