ARM : mx35: 3ds-board: add framebuffer device

This patch adds framebuffer support for freescale mx35 3ds board

Signed-off-by: Wu Guoxing <b39297@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

diff --git a/arch/arm/mach-imx/mach-mx35_3ds.c b/arch/arm/mach-imx/mach-mx35_3ds.c
index 0af6c9c..e6c64d0 100644 (file)
--- a/arch/arm/mach-imx/mach-mx35_3ds.c
+++ b/arch/arm/mach-imx/mach-mx35_3ds.c
@@ -40,9 +40,93 @@
 #include <mach/iomux-mx35.h>
 #include <mach/irqs.h>
 #include <mach/3ds_debugboard.h>
+#include <video/platform_lcd.h>
 
 #include "devices-imx35.h"
 
+#define GPIO_MC9S08DZ60_GPS_ENABLE 0
+#define GPIO_MC9S08DZ60_HDD_ENABLE 4
+#define GPIO_MC9S08DZ60_WIFI_ENABLE 5
+#define GPIO_MC9S08DZ60_LCD_ENABLE 6
+#define GPIO_MC9S08DZ60_SPEAKER_ENABLE 8
+
+static const struct fb_videomode fb_modedb[] = {
+       {
+                /* 800x480 @ 55 Hz */
+               .name = "Ceramate-CLAA070VC01",
+               .refresh = 55,
+               .xres = 800,
+               .yres = 480,
+               .pixclock = 40000,
+               .left_margin = 40,
+               .right_margin = 40,
+               .upper_margin = 5,
+               .lower_margin = 5,
+               .hsync_len = 20,
+               .vsync_len = 10,
+               .sync = FB_SYNC_OE_ACT_HIGH,
+               .vmode = FB_VMODE_NONINTERLACED,
+               .flag = 0,
+        },
+};
+
+static const struct ipu_platform_data mx3_ipu_data __initconst = {
+       .irq_base = MXC_IPU_IRQ_START,
+};
+
+static struct mx3fb_platform_data mx3fb_pdata __initdata = {
+       .name = "Ceramate-CLAA070VC01",
+       .mode = fb_modedb,
+       .num_modes = ARRAY_SIZE(fb_modedb),
+};
+
+static struct i2c_board_info __initdata i2c_devices_3ds[] = {
+       {
+               I2C_BOARD_INFO("mc9s08dz60", 0x69),
+       },
+};
+
+static int lcd_power_gpio = -ENXIO;
+
+static int mc9s08dz60_gpiochip_match(struct gpio_chip *chip,
+                                                    void *data)
+{
+       return !strcmp(chip->label, data);
+}
+
+static void mx35_3ds_lcd_set_power(
+                               struct plat_lcd_data *pd, unsigned int power)
+{
+       struct gpio_chip *chip;
+
+       if (!gpio_is_valid(lcd_power_gpio)) {
+               chip = gpiochip_find(
+                               "mc9s08dz60", mc9s08dz60_gpiochip_match);
+               if (chip) {
+                       lcd_power_gpio =
+                               chip->base + GPIO_MC9S08DZ60_LCD_ENABLE;
+                       if (gpio_request(lcd_power_gpio, "lcd_power") < 0) {
+                               pr_err("error: gpio already requested!\n");
+                               lcd_power_gpio = -ENXIO;
+                       }
+               } else {
+                       pr_err("error: didn't find mc9s08dz60 gpio chip\n");
+               }
+       }
+
+       if (gpio_is_valid(lcd_power_gpio))
+               gpio_set_value_cansleep(lcd_power_gpio, power);
+}
+
+static struct plat_lcd_data mx35_3ds_lcd_data = {
+       .set_power = mx35_3ds_lcd_set_power,
+};
+
+static struct platform_device mx35_3ds_lcd = {
+       .name = "platform-lcd",
+       .dev.platform_data = &mx35_3ds_lcd_data,
+};
+
 #define EXPIO_PARENT_INT       gpio_to_irq(IMX_GPIO_NR(1, 1))
 
 static const struct imxuart_platform_data uart_pdata __initconst = {
@@ -120,6 +204,32 @@ static iomux_v3_cfg_t mx35pdk_pads[] = {
        /* I2C1 */
        MX35_PAD_I2C1_CLK__I2C1_SCL,
        MX35_PAD_I2C1_DAT__I2C1_SDA,
+       /* Display */
+       MX35_PAD_LD0__IPU_DISPB_DAT_0,
+       MX35_PAD_LD1__IPU_DISPB_DAT_1,
+       MX35_PAD_LD2__IPU_DISPB_DAT_2,
+       MX35_PAD_LD3__IPU_DISPB_DAT_3,
+       MX35_PAD_LD4__IPU_DISPB_DAT_4,
+       MX35_PAD_LD5__IPU_DISPB_DAT_5,
+       MX35_PAD_LD6__IPU_DISPB_DAT_6,
+       MX35_PAD_LD7__IPU_DISPB_DAT_7,
+       MX35_PAD_LD8__IPU_DISPB_DAT_8,
+       MX35_PAD_LD9__IPU_DISPB_DAT_9,
+       MX35_PAD_LD10__IPU_DISPB_DAT_10,
+       MX35_PAD_LD11__IPU_DISPB_DAT_11,
+       MX35_PAD_LD12__IPU_DISPB_DAT_12,
+       MX35_PAD_LD13__IPU_DISPB_DAT_13,
+       MX35_PAD_LD14__IPU_DISPB_DAT_14,
+       MX35_PAD_LD15__IPU_DISPB_DAT_15,
+       MX35_PAD_LD16__IPU_DISPB_DAT_16,
+       MX35_PAD_LD17__IPU_DISPB_DAT_17,
+       MX35_PAD_D3_HSYNC__IPU_DISPB_D3_HSYNC,
+       MX35_PAD_D3_FPSHIFT__IPU_DISPB_D3_CLK,
+       MX35_PAD_D3_DRDY__IPU_DISPB_D3_DRDY,
+       MX35_PAD_CONTRAST__IPU_DISPB_CONTR,
+       MX35_PAD_D3_VSYNC__IPU_DISPB_D3_VSYNC,
+       MX35_PAD_D3_REV__IPU_DISPB_D3_REV,
+       MX35_PAD_D3_CLS__IPU_DISPB_D3_CLS,
 };
 
 static int mx35_3ds_otg_init(struct platform_device *pdev)
@@ -179,6 +289,8 @@ static const struct imxi2c_platform_data mx35_3ds_i2c0_data __initconst = {
  */
 static void __init mx35_3ds_init(void)
 {
+       struct platform_device *imx35_fb_pdev;
+
        imx35_soc_init();
 
        mxc_iomux_v3_setup_multiple_pads(mx35pdk_pads, ARRAY_SIZE(mx35pdk_pads));
@@ -204,6 +316,14 @@ static void __init mx35_3ds_init(void)
                pr_warn("Init of the debugboard failed, all "
                                "devices on the debugboard are unusable.\n");
        imx35_add_imx_i2c0(&mx35_3ds_i2c0_data);
+
+       i2c_register_board_info(
+               0, i2c_devices_3ds, ARRAY_SIZE(i2c_devices_3ds));
+
+       imx35_add_ipu_core(&mx3_ipu_data);
+       imx35_fb_pdev = imx35_add_mx3_sdc_fb(&mx3fb_pdata);
+       mx35_3ds_lcd.dev.parent = &imx35_fb_pdev->dev;
+       platform_device_register(&mx35_3ds_lcd);
 }
 
 static void __init mx35pdk_timer_init(void)