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yaml
---
r: 216862
b: refs/heads/master
c: 9af2ebb
h: refs/heads/master
v: v3
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Tony Lindgren committed Sep 23, 2010
1 parent e36c01a commit b1c720b
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Showing 2 changed files with 317 additions and 7 deletions.
2 changes: 1 addition & 1 deletion [refs]
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@@ -1,2 +1,2 @@
---
refs/heads/master: 74ff3a68ed11f1e9eede4fe301f42cc3cdf7396a
refs/heads/master: 9af2ebbd09e01bd2711617dcafce5f608cace6ec
322 changes: 316 additions & 6 deletions trunk/arch/arm/mach-omap1/board-htcherald.c
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Expand Up @@ -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>
Expand All @@ -39,6 +46,7 @@
#include <plat/board.h>
#include <plat/keypad.h>
#include <plat/usb.h>
#include <plat/mmc.h>

#include <mach/irqs.h>

Expand All @@ -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 */

Expand Down Expand Up @@ -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,
Expand All @@ -150,14 +391,72 @@ 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_28_29 | MMC_VDD_30_31 |
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,
}
};

/*
Expand Down Expand Up @@ -278,6 +577,7 @@ 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;
Expand All @@ -288,6 +588,16 @@ 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)
Expand Down

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