1 files changed, 315 insertions, 6 deletions

diff --git a/arch/arm/mach-omap1/board-htcherald.c b/arch/arm/mach-omap1/board-htcherald.c
index 86afb2952225..071af3e47789 100644
--- a/arch/arm/mach-omap1/board-htcherald.c
+++ b/arch/arm/mach-omap1/board-htcherald.c
@@ -30,6 +30,13 @@
 #include <linux/input.h>
 #include <linux/io.h>
 #include <linux/gpio.h>
+#include <linux/gpio_keys.h>
+#include <linux/i2c.h>
+#include <linux/i2c-gpio.h>
+#include <linux/htcpld.h>
+#include <linux/leds.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/ads7846.h>
 
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
@@ -39,6 +46,7 @@
 #include <plat/board.h>
 #include <plat/keypad.h>
 #include <plat/usb.h>
+#include <plat/mmc.h>
 
 #include <mach/irqs.h>
 
@@ -52,13 +60,123 @@
 #define       OMAP_LCDC_CTRL_LCD_EN           (1 << 0)
 #define       OMAP_LCDC_STAT_DONE             (1 << 0)
 
-static struct omap_lcd_config htcherald_lcd_config __initdata = {
-        .ctrl_name      = "internal",
-};
+/* GPIO definitions for the power button and keyboard slide switch */
+#define HTCHERALD_GPIO_POWER 139
+#define HTCHERALD_GPIO_SLIDE 174
+#define HTCHERALD_GIRQ_BTNS 141
 
-static struct omap_board_config_kernel htcherald_config[] __initdata = {
-        { OMAP_TAG_LCD, &htcherald_lcd_config },
-};
+/* GPIO definitions for the touchscreen */
+#define HTCHERALD_GPIO_TS 76
+
+/* HTCPLD definitions */
+
+/*
+ * CPLD Logic
+ *
+ * Chip 3 - 0x03
+ *
+ * Function            7 6 5 4  3 2 1 0
+ * ------------------------------------
+ * DPAD light          x x x x  x x x 1
+ * SoundDev            x x x x  1 x x x
+ * Screen white        1 x x x  x x x x
+ * MMC power on        x x x x  x 1 x x
+ * Happy times (n)     0 x x x  x 1 x x
+ *
+ * Chip 4 - 0x04
+ *
+ * Function            7 6 5 4  3 2 1 0
+ * ------------------------------------
+ * Keyboard light      x x x x  x x x 1
+ * LCD Bright (4)      x x x x  x 1 1 x
+ * LCD Bright (3)      x x x x  x 0 1 x
+ * LCD Bright (2)      x x x x  x 1 0 x
+ * LCD Bright (1)      x x x x  x 0 0 x
+ * LCD Off             x x x x  0 x x x
+ * LCD image (fb)      1 x x x  x x x x
+ * LCD image (white)   0 x x x  x x x x
+ * Caps lock LED       x x 1 x  x x x x
+ *
+ * Chip 5 - 0x05
+ *
+ * Function            7 6 5 4  3 2 1 0
+ * ------------------------------------
+ * Red (solid)         x x x x  x 1 x x
+ * Red (flash)         x x x x  x x 1 x
+ * Green (GSM flash)   x x x x  1 x x x
+ * Green (GSM solid)   x x x 1  x x x x
+ * Green (wifi flash)  x x 1 x  x x x x
+ * Blue (bt flash)     x 1 x x  x x x x
+ * DPAD Int Enable     1 x x x  x x x 0
+ *
+ * (Combinations of the above can be made for different colors.)
+ * The direction pad interrupt enable must be set each time the
+ * interrupt is handled.
+ *
+ * Chip 6 - 0x06
+ *
+ * Function            7 6 5 4  3 2 1 0
+ * ------------------------------------
+ * Vibrator            x x x x  1 x x x
+ * Alt LED             x x x 1  x x x x
+ * Screen white        1 x x x  x x x x
+ * Screen white        x x 1 x  x x x x
+ * Screen white        x 0 x x  x x x x
+ * Enable kbd dpad     x x x x  x x 0 x
+ * Happy Times         0 1 0 x  x x 0 x
+ */
+
+/*
+ * HTCPLD GPIO lines start 16 after OMAP_MAX_GPIO_LINES to account
+ * for the 16 MPUIO lines.
+ */
+#define HTCPLD_GPIO_START_OFFSET        (OMAP_MAX_GPIO_LINES + 16)
+#define HTCPLD_IRQ(chip, offset)        (OMAP_IRQ_END + 8 * (chip) + (offset))
+#define HTCPLD_BASE(chip, offset)       \
+        (HTCPLD_GPIO_START_OFFSET + 8 * (chip) + (offset))
+
+#define HTCPLD_GPIO_LED_DPAD            HTCPLD_BASE(0, 0)
+#define HTCPLD_GPIO_LED_KBD             HTCPLD_BASE(1, 0)
+#define HTCPLD_GPIO_LED_CAPS            HTCPLD_BASE(1, 5)
+#define HTCPLD_GPIO_LED_RED_FLASH       HTCPLD_BASE(2, 1)
+#define HTCPLD_GPIO_LED_RED_SOLID       HTCPLD_BASE(2, 2)
+#define HTCPLD_GPIO_LED_GREEN_FLASH     HTCPLD_BASE(2, 3)
+#define HTCPLD_GPIO_LED_GREEN_SOLID     HTCPLD_BASE(2, 4)
+#define HTCPLD_GPIO_LED_WIFI            HTCPLD_BASE(2, 5)
+#define HTCPLD_GPIO_LED_BT              HTCPLD_BASE(2, 6)
+#define HTCPLD_GPIO_LED_VIBRATE         HTCPLD_BASE(3, 3)
+#define HTCPLD_GPIO_LED_ALT             HTCPLD_BASE(3, 4)
+
+#define HTCPLD_GPIO_RIGHT_KBD           HTCPLD_BASE(6, 7)
+#define HTCPLD_GPIO_UP_KBD              HTCPLD_BASE(6, 6)
+#define HTCPLD_GPIO_LEFT_KBD            HTCPLD_BASE(6, 5)
+#define HTCPLD_GPIO_DOWN_KBD            HTCPLD_BASE(6, 4)
+
+#define HTCPLD_GPIO_RIGHT_DPAD          HTCPLD_BASE(7, 7)
+#define HTCPLD_GPIO_UP_DPAD             HTCPLD_BASE(7, 6)
+#define HTCPLD_GPIO_LEFT_DPAD           HTCPLD_BASE(7, 5)
+#define HTCPLD_GPIO_DOWN_DPAD           HTCPLD_BASE(7, 4)
+#define HTCPLD_GPIO_ENTER_DPAD          HTCPLD_BASE(7, 3)
+
+/*
+ * The htcpld chip requires a gpio write to a specific line
+ * to re-enable interrupts after one has occurred.
+ */
+#define HTCPLD_GPIO_INT_RESET_HI        HTCPLD_BASE(2, 7)
+#define HTCPLD_GPIO_INT_RESET_LO        HTCPLD_BASE(2, 0)
+
+/* Chip 5 */
+#define HTCPLD_IRQ_RIGHT_KBD            HTCPLD_IRQ(0, 7)
+#define HTCPLD_IRQ_UP_KBD               HTCPLD_IRQ(0, 6)
+#define HTCPLD_IRQ_LEFT_KBD             HTCPLD_IRQ(0, 5)
+#define HTCPLD_IRQ_DOWN_KBD             HTCPLD_IRQ(0, 4)
+
+/* Chip 6 */
+#define HTCPLD_IRQ_RIGHT_DPAD           HTCPLD_IRQ(1, 7)
+#define HTCPLD_IRQ_UP_DPAD              HTCPLD_IRQ(1, 6)
+#define HTCPLD_IRQ_LEFT_DPAD            HTCPLD_IRQ(1, 5)
+#define HTCPLD_IRQ_DOWN_DPAD            HTCPLD_IRQ(1, 4)
+#define HTCPLD_IRQ_ENTER_DPAD           HTCPLD_IRQ(1, 3)
 
 /* Keyboard definition */
 
@@ -140,6 +258,129 @@ static struct platform_device kp_device = {
         .resource       = kp_resources,
 };
 
+/* GPIO buttons for keyboard slide and power button */
+static struct gpio_keys_button herald_gpio_keys_table[] = {
+        {BTN_0,  HTCHERALD_GPIO_POWER, 1, "POWER", EV_KEY, 1, 20},
+        {SW_LID, HTCHERALD_GPIO_SLIDE, 0, "SLIDE", EV_SW,  1, 20},
+
+        {KEY_LEFT,  HTCPLD_GPIO_LEFT_KBD,  1, "LEFT",  EV_KEY, 1, 20},
+        {KEY_RIGHT, HTCPLD_GPIO_RIGHT_KBD, 1, "RIGHT", EV_KEY, 1, 20},
+        {KEY_UP,    HTCPLD_GPIO_UP_KBD,    1, "UP",    EV_KEY, 1, 20},
+        {KEY_DOWN,  HTCPLD_GPIO_DOWN_KBD,  1, "DOWN",  EV_KEY, 1, 20},
+
+        {KEY_LEFT,  HTCPLD_GPIO_LEFT_DPAD,   1, "DLEFT",  EV_KEY, 1, 20},
+        {KEY_RIGHT, HTCPLD_GPIO_RIGHT_DPAD,  1, "DRIGHT", EV_KEY, 1, 20},
+        {KEY_UP,    HTCPLD_GPIO_UP_DPAD,     1, "DUP",    EV_KEY, 1, 20},
+        {KEY_DOWN,  HTCPLD_GPIO_DOWN_DPAD,   1, "DDOWN",  EV_KEY, 1, 20},
+        {KEY_ENTER, HTCPLD_GPIO_ENTER_DPAD,  1, "DENTER", EV_KEY, 1, 20},
+};
+
+static struct gpio_keys_platform_data herald_gpio_keys_data = {
+        .buttons        = herald_gpio_keys_table,
+        .nbuttons       = ARRAY_SIZE(herald_gpio_keys_table),
+        .rep            = 1,
+};
+
+static struct platform_device herald_gpiokeys_device = {
+        .name      = "gpio-keys",
+        .id             = -1,
+        .dev = {
+                .platform_data = &herald_gpio_keys_data,
+        },
+};
+
+/* LEDs for the Herald.  These connect to the HTCPLD GPIO device. */
+static struct gpio_led gpio_leds[] = {
+        {"dpad",        NULL, HTCPLD_GPIO_LED_DPAD,        0, 0, LEDS_GPIO_DEFSTATE_OFF},
+        {"kbd",         NULL, HTCPLD_GPIO_LED_KBD,         0, 0, LEDS_GPIO_DEFSTATE_OFF},
+        {"vibrate",     NULL, HTCPLD_GPIO_LED_VIBRATE,     0, 0, LEDS_GPIO_DEFSTATE_OFF},
+        {"green_solid", NULL, HTCPLD_GPIO_LED_GREEN_SOLID, 0, 0, LEDS_GPIO_DEFSTATE_OFF},
+        {"green_flash", NULL, HTCPLD_GPIO_LED_GREEN_FLASH, 0, 0, LEDS_GPIO_DEFSTATE_OFF},
+        {"red_solid",   "mmc0", HTCPLD_GPIO_LED_RED_SOLID, 0, 0, LEDS_GPIO_DEFSTATE_OFF},
+        {"red_flash",   NULL, HTCPLD_GPIO_LED_RED_FLASH,   0, 0, LEDS_GPIO_DEFSTATE_OFF},
+        {"wifi",        NULL, HTCPLD_GPIO_LED_WIFI,        0, 0, LEDS_GPIO_DEFSTATE_OFF},
+        {"bt",          NULL, HTCPLD_GPIO_LED_BT,          0, 0, LEDS_GPIO_DEFSTATE_OFF},
+        {"caps",        NULL, HTCPLD_GPIO_LED_CAPS,        0, 0, LEDS_GPIO_DEFSTATE_OFF},
+        {"alt",         NULL, HTCPLD_GPIO_LED_ALT,         0, 0, LEDS_GPIO_DEFSTATE_OFF},
+};
+
+static struct gpio_led_platform_data gpio_leds_data = {
+        .leds           = gpio_leds,
+        .num_leds       = ARRAY_SIZE(gpio_leds),
+};
+
+static struct platform_device gpio_leds_device = {
+        .name           = "leds-gpio",
+        .id             = 0,
+        .dev    = {
+                .platform_data  = &gpio_leds_data,
+        },
+};
+
+/* HTC PLD chips */
+
+static struct resource htcpld_resources[] = {
+        [0] = {
+                .start  = OMAP_GPIO_IRQ(HTCHERALD_GIRQ_BTNS),
+                .end    = OMAP_GPIO_IRQ(HTCHERALD_GIRQ_BTNS),
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+struct htcpld_chip_platform_data htcpld_chips[] = {
+        [0] = {
+                .addr           = 0x03,
+                .reset          = 0x04,
+                .num_gpios      = 8,
+                .gpio_out_base  = HTCPLD_BASE(0, 0),
+                .gpio_in_base   = HTCPLD_BASE(4, 0),
+        },
+        [1] = {
+                .addr           = 0x04,
+                .reset          = 0x8e,
+                .num_gpios      = 8,
+                .gpio_out_base  = HTCPLD_BASE(1, 0),
+                .gpio_in_base   = HTCPLD_BASE(5, 0),
+        },
+        [2] = {
+                .addr           = 0x05,
+                .reset          = 0x80,
+                .num_gpios      = 8,
+                .gpio_out_base  = HTCPLD_BASE(2, 0),
+                .gpio_in_base   = HTCPLD_BASE(6, 0),
+                .irq_base       = HTCPLD_IRQ(0, 0),
+                .num_irqs       = 8,
+        },
+        [3] = {
+                .addr           = 0x06,
+                .reset          = 0x40,
+                .num_gpios      = 8,
+                .gpio_out_base  = HTCPLD_BASE(3, 0),
+                .gpio_in_base   = HTCPLD_BASE(7, 0),
+                .irq_base       = HTCPLD_IRQ(1, 0),
+                .num_irqs       = 8,
+        },
+};
+
+struct htcpld_core_platform_data htcpld_pfdata = {
+        .int_reset_gpio_hi = HTCPLD_GPIO_INT_RESET_HI,
+        .int_reset_gpio_lo = HTCPLD_GPIO_INT_RESET_LO,
+        .i2c_adapter_id    = 1,
+
+        .chip              = htcpld_chips,
+        .num_chip          = ARRAY_SIZE(htcpld_chips),
+};
+
+static struct platform_device htcpld_device = {
+        .name           = "i2c-htcpld",
+        .id             = -1,
+        .resource       = htcpld_resources,
+        .num_resources  = ARRAY_SIZE(htcpld_resources),
+        .dev    = {
+                .platform_data  = &htcpld_pfdata,
+        },
+};
+
 /* USB Device */
 static struct omap_usb_config htcherald_usb_config __initdata = {
         .otg = 0,
@@ -150,14 +391,71 @@ static struct omap_usb_config htcherald_usb_config __initdata = {
 };
 
 /* LCD Device resources */
+static struct omap_lcd_config htcherald_lcd_config __initdata = {
+        .ctrl_name      = "internal",
+};
+
+static struct omap_board_config_kernel htcherald_config[] __initdata = {
+        { OMAP_TAG_LCD, &htcherald_lcd_config },
+};
+
 static struct platform_device lcd_device = {
         .name           = "lcd_htcherald",
         .id             = -1,
 };
 
+/* MMC Card */
+#if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
+static struct omap_mmc_platform_data htc_mmc1_data = {
+        .nr_slots                       = 1,
+        .switch_slot                    = NULL,
+        .slots[0]       = {
+                .ocr_mask               = MMC_VDD_32_33 | MMC_VDD_33_34,
+                .name                   = "mmcblk",
+                .nomux                  = 1,
+                .wires                  = 4,
+                .switch_pin             = -1,
+        },
+};
+
+static struct omap_mmc_platform_data *htc_mmc_data[1];
+#endif
+
+
+/* Platform devices for the Herald */
 static struct platform_device *devices[] __initdata = {
         &kp_device,
         &lcd_device,
+        &htcpld_device,
+        &gpio_leds_device,
+        &herald_gpiokeys_device,
+};
+
+/*
+ * Touchscreen
+ */
+static const struct ads7846_platform_data htcherald_ts_platform_data = {
+        .model                  = 7846,
+        .keep_vref_on           = 1,
+        .x_plate_ohms           = 496,
+        .gpio_pendown           = HTCHERALD_GPIO_TS,
+        .pressure_max           = 100000,
+        .pressure_min           = 5000,
+        .x_min                  = 528,
+        .x_max                  = 3760,
+        .y_min                  = 624,
+        .y_max                  = 3760,
+};
+
+static struct spi_board_info __initdata htcherald_spi_board_info[] = {
+        {
+                .modalias               = "ads7846",
+                .platform_data          = &htcherald_ts_platform_data,
+                .irq                    = OMAP_GPIO_IRQ(HTCHERALD_GPIO_TS),
+                .max_speed_hz           = 2500000,
+                .bus_num                = 2,
+                .chip_select            = 1,
+        }
 };
 
 /*
@@ -278,6 +576,7 @@ static void __init htcherald_init(void)
 {
         printk(KERN_INFO "HTC Herald init.\n");
 
+        /* Do board initialization before we register all the devices */
         omap_gpio_init();
 
         omap_board_config = htcherald_config;
@@ -288,6 +587,16 @@ static void __init htcherald_init(void)
 
         htcherald_usb_enable();
         omap1_usb_init(&htcherald_usb_config);
+
+        spi_register_board_info(htcherald_spi_board_info,
+                ARRAY_SIZE(htcherald_spi_board_info));
+
+        omap_register_i2c_bus(1, 100, NULL, 0);
+
+#if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
+        htc_mmc_data[0] = &htc_mmc1_data;
+        omap1_init_mmc(htc_mmc_data, 1);
+#endif
 }
 
 static void __init htcherald_init_irq(void)