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Diffstat (limited to 'arch/arm/mach-omap1/board-htcherald.c')
-rw-r--r--arch/arm/mach-omap1/board-htcherald.c321
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)
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