[mirror_ubuntu-artful-kernel.git] / arch / arm / mach-pxa / palm27x.c

/*
 * Common code for Palm LD, T5, TX, Z72
 *
 * Copyright (C) 2010-2011 Marek Vasut <marek.vasut@gmail.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 */

#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/irq.h>
#include <linux/gpio_keys.h>
#include <linux/input.h>
#include <linux/pda_power.h>
#include <linux/pwm_backlight.h>
#include <linux/gpio.h>
#include <linux/wm97xx.h>
#include <linux/power_supply.h>
#include <linux/usb/gpio_vbus.h>
#include <linux/regulator/max1586.h>
#include <linux/i2c/pxa-i2c.h>

#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>

#include <mach/pxa27x.h>
#include <mach/audio.h>
#include <mach/mmc.h>
#include <mach/pxafb.h>
#include <mach/irda.h>
#include <mach/udc.h>
#include <mach/palmasoc.h>
#include <mach/palm27x.h>

#include "generic.h"
#include "devices.h"

/******************************************************************************
 * SD/MMC card controller
 ******************************************************************************/
#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
static struct pxamci_platform_data palm27x_mci_platform_data = {
	.ocr_mask		= MMC_VDD_32_33 | MMC_VDD_33_34,
	.detect_delay_ms	= 200,
};

void __init palm27x_mmc_init(int detect, int ro, int power,
					int power_inverted)
{
	palm27x_mci_platform_data.gpio_card_detect	= detect;
	palm27x_mci_platform_data.gpio_card_ro		= ro;
	palm27x_mci_platform_data.gpio_power		= power;
	palm27x_mci_platform_data.gpio_power_invert	= power_inverted;

	pxa_set_mci_info(&palm27x_mci_platform_data);
}
#endif

/******************************************************************************
 * Power management - standby
 ******************************************************************************/
#if defined(CONFIG_SUSPEND)
void __init palm27x_pm_init(unsigned long str_base)
{
	static const unsigned long resume[] = {
		0xe3a00101,	/* mov	r0,	#0x40000000 */
		0xe380060f,	/* orr	r0, r0, #0x00f00000 */
		0xe590f008,	/* ldr	pc, [r0, #0x08] */
	};

	/*
	 * Copy the bootloader.
	 * NOTE: PalmZ72 uses a different wakeup method!
	 */
	memcpy(phys_to_virt(str_base), resume, sizeof(resume));
}
#endif

/******************************************************************************
 * Framebuffer
 ******************************************************************************/
#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
struct pxafb_mode_info palm_320x480_lcd_mode = {
	.pixclock	= 57692,
	.xres		= 320,
	.yres		= 480,
	.bpp		= 16,

	.left_margin	= 32,
	.right_margin	= 1,
	.upper_margin	= 7,
	.lower_margin	= 1,

	.hsync_len	= 4,
	.vsync_len	= 1,
};

struct pxafb_mode_info palm_320x320_lcd_mode = {
	.pixclock	= 115384,
	.xres		= 320,
	.yres		= 320,
	.bpp		= 16,

	.left_margin	= 27,
	.right_margin	= 7,
	.upper_margin	= 7,
	.lower_margin	= 8,

	.hsync_len	= 6,
	.vsync_len	= 1,
};

struct pxafb_mode_info palm_320x320_new_lcd_mode = {
	.pixclock	= 86538,
	.xres		= 320,
	.yres		= 320,
	.bpp		= 16,

	.left_margin	= 20,
	.right_margin	= 8,
	.upper_margin	= 8,
	.lower_margin	= 5,

	.hsync_len	= 4,
	.vsync_len	= 1,
};

static struct pxafb_mach_info palm27x_lcd_screen = {
	.num_modes	= 1,
	.lcd_conn	= LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
};

static int palm27x_lcd_power;
static void palm27x_lcd_ctl(int on, struct fb_var_screeninfo *info)
{
	gpio_set_value(palm27x_lcd_power, on);
}

void __init palm27x_lcd_init(int power, struct pxafb_mode_info *mode)
{
	palm27x_lcd_screen.modes = mode;

	if (gpio_is_valid(power)) {
		if (!gpio_request(power, "LCD power")) {
			pr_err("Palm27x: failed to claim lcd power gpio!\n");
			return;
		}
		if (!gpio_direction_output(power, 1)) {
			pr_err("Palm27x: lcd power configuration failed!\n");
			return;
		}
		palm27x_lcd_power = power;
		palm27x_lcd_screen.pxafb_lcd_power = palm27x_lcd_ctl;
	}

	pxa_set_fb_info(NULL, &palm27x_lcd_screen);
}
#endif

/******************************************************************************
 * USB Gadget
 ******************************************************************************/
#if	defined(CONFIG_USB_PXA27X) || \
	defined(CONFIG_USB_PXA27X_MODULE)
static struct gpio_vbus_mach_info palm27x_udc_info = {
	.gpio_vbus_inverted	= 1,
};

static struct platform_device palm27x_gpio_vbus = {
	.name	= "gpio-vbus",
	.id	= -1,
	.dev	= {
		.platform_data	= &palm27x_udc_info,
	},
};

void __init palm27x_udc_init(int vbus, int pullup, int vbus_inverted)
{
	palm27x_udc_info.gpio_vbus	= vbus;
	palm27x_udc_info.gpio_pullup	= pullup;

	palm27x_udc_info.gpio_vbus_inverted = vbus_inverted;

	if (!gpio_request(pullup, "USB Pullup")) {
		gpio_direction_output(pullup,
			palm27x_udc_info.gpio_vbus_inverted);
		gpio_free(pullup);
	} else
		return;

	platform_device_register(&palm27x_gpio_vbus);
}
#endif

/******************************************************************************
 * IrDA
 ******************************************************************************/
#if defined(CONFIG_IRDA) || defined(CONFIG_IRDA_MODULE)
static struct pxaficp_platform_data palm27x_ficp_platform_data = {
	.transceiver_cap	= IR_SIRMODE | IR_OFF,
};

void __init palm27x_irda_init(int pwdn)
{
	palm27x_ficp_platform_data.gpio_pwdown = pwdn;
	pxa_set_ficp_info(&palm27x_ficp_platform_data);
}
#endif

/******************************************************************************
 * WM97xx audio, battery
 ******************************************************************************/
#if	defined(CONFIG_TOUCHSCREEN_WM97XX) || \
	defined(CONFIG_TOUCHSCREEN_WM97XX_MODULE)
static struct wm97xx_batt_pdata palm27x_batt_pdata = {
	.batt_aux	= WM97XX_AUX_ID3,
	.temp_aux	= WM97XX_AUX_ID2,
	.charge_gpio	= -1,
	.batt_mult	= 1000,
	.batt_div	= 414,
	.temp_mult	= 1,
	.temp_div	= 1,
	.batt_tech	= POWER_SUPPLY_TECHNOLOGY_LIPO,
	.batt_name	= "main-batt",
};

static struct wm97xx_pdata palm27x_wm97xx_pdata = {
	.batt_pdata	= &palm27x_batt_pdata,
};

static pxa2xx_audio_ops_t palm27x_ac97_pdata = {
	.codec_pdata	= { &palm27x_wm97xx_pdata, },
};

static struct palm27x_asoc_info palm27x_asoc_pdata = {
	.jack_gpio	= -1,
};

static struct platform_device palm27x_asoc = {
	.name = "palm27x-asoc",
	.id   = -1,
	.dev  = {
		.platform_data = &palm27x_asoc_pdata,
	},
};

void __init palm27x_ac97_init(int minv, int maxv, int jack, int reset)
{
	palm27x_ac97_pdata.reset_gpio	= reset;
	palm27x_asoc_pdata.jack_gpio	= jack;

	if (minv < 0 || maxv < 0) {
		palm27x_ac97_pdata.codec_pdata[0] = NULL;
		pxa_set_ac97_info(&palm27x_ac97_pdata);
	} else {
		palm27x_batt_pdata.min_voltage	= minv,
		palm27x_batt_pdata.max_voltage	= maxv,

		pxa_set_ac97_info(&palm27x_ac97_pdata);
		platform_device_register(&palm27x_asoc);
	}
}
#endif

/******************************************************************************
 * Backlight
 ******************************************************************************/
#if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
static int palm_bl_power;
static int palm_lcd_power;

static int palm27x_backlight_init(struct device *dev)
{
	int ret;

	ret = gpio_request(palm_bl_power, "BL POWER");
	if (ret)
		goto err;
	ret = gpio_direction_output(palm_bl_power, 0);
	if (ret)
		goto err2;

	if (gpio_is_valid(palm_lcd_power)) {
		ret = gpio_request(palm_lcd_power, "LCD POWER");
		if (ret)
			goto err2;
		ret = gpio_direction_output(palm_lcd_power, 0);
		if (ret)
			goto err3;
	}

	return 0;
err3:
	gpio_free(palm_lcd_power);
err2:
	gpio_free(palm_bl_power);
err:
	return ret;
}

static int palm27x_backlight_notify(struct device *dev, int brightness)
{
	gpio_set_value(palm_bl_power, brightness);
	if (gpio_is_valid(palm_lcd_power))
		gpio_set_value(palm_lcd_power, brightness);
	return brightness;
}

static void palm27x_backlight_exit(struct device *dev)
{
	gpio_free(palm_bl_power);
	if (gpio_is_valid(palm_lcd_power))
		gpio_free(palm_lcd_power);
}

static struct platform_pwm_backlight_data palm27x_backlight_data = {
	.pwm_id		= 0,
	.max_brightness	= 0xfe,
	.dft_brightness	= 0x7e,
	.pwm_period_ns	= 3500 * 1024,
	.init		= palm27x_backlight_init,
	.notify		= palm27x_backlight_notify,
	.exit		= palm27x_backlight_exit,
};

static struct platform_device palm27x_backlight = {
	.name	= "pwm-backlight",
	.dev	= {
		.parent		= &pxa27x_device_pwm0.dev,
		.platform_data	= &palm27x_backlight_data,
	},
};

void __init palm27x_pwm_init(int bl, int lcd)
{
	palm_bl_power	= bl;
	palm_lcd_power	= lcd;
	platform_device_register(&palm27x_backlight);
}
#endif

/******************************************************************************
 * Power supply
 ******************************************************************************/
#if defined(CONFIG_PDA_POWER) || defined(CONFIG_PDA_POWER_MODULE)
static int palm_ac_state;
static int palm_usb_state;

static int palm27x_power_supply_init(struct device *dev)
{
	int ret;

	ret = gpio_request(palm_ac_state, "AC state");
	if (ret)
		goto err1;
	ret = gpio_direction_input(palm_ac_state);
	if (ret)
		goto err2;

	if (gpio_is_valid(palm_usb_state)) {
		ret = gpio_request(palm_usb_state, "USB state");
		if (ret)
			goto err2;
		ret = gpio_direction_input(palm_usb_state);
		if (ret)
			goto err3;
	}

	return 0;
err3:
	gpio_free(palm_usb_state);
err2:
	gpio_free(palm_ac_state);
err1:
	return ret;
}

static void palm27x_power_supply_exit(struct device *dev)
{
	gpio_free(palm_usb_state);
	gpio_free(palm_ac_state);
}

static int palm27x_is_ac_online(void)
{
	return gpio_get_value(palm_ac_state);
}

static int palm27x_is_usb_online(void)
{
	return !gpio_get_value(palm_usb_state);
}
static char *palm27x_supplicants[] = {
	"main-battery",
};

static struct pda_power_pdata palm27x_ps_info = {
	.init			= palm27x_power_supply_init,
	.exit			= palm27x_power_supply_exit,
	.is_ac_online		= palm27x_is_ac_online,
	.is_usb_online		= palm27x_is_usb_online,
	.supplied_to		= palm27x_supplicants,
	.num_supplicants	= ARRAY_SIZE(palm27x_supplicants),
};

static struct platform_device palm27x_power_supply = {
	.name = "pda-power",
	.id   = -1,
	.dev  = {
		.platform_data = &palm27x_ps_info,
	},
};

void __init palm27x_power_init(int ac, int usb)
{
	palm_ac_state	= ac;
	palm_usb_state	= usb;
	platform_device_register(&palm27x_power_supply);
}
#endif

/******************************************************************************
 * Core power regulator
 ******************************************************************************/
#if defined(CONFIG_REGULATOR_MAX1586) || \
    defined(CONFIG_REGULATOR_MAX1586_MODULE)
static struct regulator_consumer_supply palm27x_max1587a_consumers[] = {
	{
		.supply	= "vcc_core",
	}
};

static struct regulator_init_data palm27x_max1587a_v3_info = {
	.constraints = {
		.name		= "vcc_core range",
		.min_uV		= 900000,
		.max_uV		= 1705000,
		.always_on	= 1,
		.valid_ops_mask	= REGULATOR_CHANGE_VOLTAGE,
	},
	.consumer_supplies	= palm27x_max1587a_consumers,
	.num_consumer_supplies	= ARRAY_SIZE(palm27x_max1587a_consumers),
};

static struct max1586_subdev_data palm27x_max1587a_subdevs[] = {
	{
		.name		= "vcc_core",
		.id		= MAX1586_V3,
		.platform_data	= &palm27x_max1587a_v3_info,
	}
};

static struct max1586_platform_data palm27x_max1587a_info = {
	.subdevs     = palm27x_max1587a_subdevs,
	.num_subdevs = ARRAY_SIZE(palm27x_max1587a_subdevs),
	.v3_gain     = MAX1586_GAIN_R24_3k32, /* 730..1550 mV */
};

static struct i2c_board_info __initdata palm27x_pi2c_board_info[] = {
	{
		I2C_BOARD_INFO("max1586", 0x14),
		.platform_data	= &palm27x_max1587a_info,
	},
};

static struct i2c_pxa_platform_data palm27x_i2c_power_info = {
	.use_pio	= 1,
};

void __init palm27x_pmic_init(void)
{
	i2c_register_board_info(1, ARRAY_AND_SIZE(palm27x_pi2c_board_info));
	pxa27x_set_i2c_power_info(&palm27x_i2c_power_info);
}
#endif
Commit	Line	Data
95045947 MV	1	/*
	2	* Common code for Palm LD, T5, TX, Z72
	3	*
9ed3fbf1	4	* Copyright (C) 2010-2011 Marek Vasut <marek.vasut@gmail.com>
95045947 MV	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License version 2 as
	8	* published by the Free Software Foundation.
	9	*
	10	*/
	11
	12	#include <linux/platform_device.h>
	13	#include <linux/delay.h>
	14	#include <linux/irq.h>
	15	#include <linux/gpio_keys.h>
	16	#include <linux/input.h>
	17	#include <linux/pda_power.h>
	18	#include <linux/pwm_backlight.h>
	19	#include <linux/gpio.h>
	20	#include <linux/wm97xx.h>
	21	#include <linux/power_supply.h>
	22	#include <linux/usb/gpio_vbus.h>
	23	#include <linux/regulator/max1586.h>
b459396e	24	#include <linux/i2c/pxa-i2c.h>
95045947 MV	25
	26	#include <asm/mach-types.h>
	27	#include <asm/mach/arch.h>
	28	#include <asm/mach/map.h>
	29
	30	#include <mach/pxa27x.h>
	31	#include <mach/audio.h>
	32	#include <mach/mmc.h>
	33	#include <mach/pxafb.h>
	34	#include <mach/irda.h>
	35	#include <mach/udc.h>
	36	#include <mach/palmasoc.h>
	37	#include <mach/palm27x.h>
	38
95045947 MV	39	#include "generic.h"
	40	#include "devices.h"
	41
	42	/******************************************************************************
	43	* SD/MMC card controller
	44	******************************************************************************/
	45	#if defined(CONFIG_MMC_PXA) \|\| defined(CONFIG_MMC_PXA_MODULE)
	46	static struct pxamci_platform_data palm27x_mci_platform_data = {
	47	.ocr_mask = MMC_VDD_32_33 \| MMC_VDD_33_34,
	48	.detect_delay_ms = 200,
	49	};
	50
	51	void __init palm27x_mmc_init(int detect, int ro, int power,
	52	int power_inverted)
	53	{
	54	palm27x_mci_platform_data.gpio_card_detect = detect;
	55	palm27x_mci_platform_data.gpio_card_ro = ro;
	56	palm27x_mci_platform_data.gpio_power = power;
	57	palm27x_mci_platform_data.gpio_power_invert = power_inverted;
	58
	59	pxa_set_mci_info(&palm27x_mci_platform_data);
	60	}
	61	#endif
	62
	63	/******************************************************************************
	64	* Power management - standby
	65	******************************************************************************/
	66	#if defined(CONFIG_SUSPEND)
	67	void __init palm27x_pm_init(unsigned long str_base)
	68	{
	69	static const unsigned long resume[] = {
	70	0xe3a00101, /* mov r0, #0x40000000 */
	71	0xe380060f, /* orr r0, r0, #0x00f00000 */
	72	0xe590f008, /* ldr pc, [r0, #0x08] */
	73	};
	74
	75	/*
	76	* Copy the bootloader.
	77	* NOTE: PalmZ72 uses a different wakeup method!
	78	*/
	79	memcpy(phys_to_virt(str_base), resume, sizeof(resume));
	80	}
	81	#endif
	82
	83	/******************************************************************************
	84	* Framebuffer
	85	******************************************************************************/
	86	#if defined(CONFIG_FB_PXA) \|\| defined(CONFIG_FB_PXA_MODULE)
	87	struct pxafb_mode_info palm_320x480_lcd_mode = {
	88	.pixclock = 57692,
	89	.xres = 320,
	90	.yres = 480,
	91	.bpp = 16,
	92
	93	.left_margin = 32,
	94	.right_margin = 1,
	95	.upper_margin = 7,
	96	.lower_margin = 1,
	97
	98	.hsync_len = 4,
	99	.vsync_len = 1,
	100	};
	101
	102	struct pxafb_mode_info palm_320x320_lcd_mode = {
103	.pixclock = 115384,
104	.xres = 320,
105	.yres = 320,
106	.bpp = 16,
107
108	.left_margin = 27,
109	.right_margin = 7,
110	.upper_margin = 7,
111	.lower_margin = 8,
112
113	.hsync_len = 6,
114	.vsync_len = 1,
115	};
116
117	struct pxafb_mode_info palm_320x320_new_lcd_mode = {
118	.pixclock = 86538,
119	.xres = 320,
120	.yres = 320,
121	.bpp = 16,
122
123	.left_margin = 20,
124	.right_margin = 8,
125	.upper_margin = 8,
126	.lower_margin = 5,
127
128	.hsync_len = 4,
129	.vsync_len = 1,
130	};
131
132	static struct pxafb_mach_info palm27x_lcd_screen = {
133	.num_modes = 1,
134	.lcd_conn = LCD_COLOR_TFT_16BPP \| LCD_PCLK_EDGE_FALL,
135	};
136
137	static int palm27x_lcd_power;
138	static void palm27x_lcd_ctl(int on, struct fb_var_screeninfo *info)
139	{
140	gpio_set_value(palm27x_lcd_power, on);
141	}
142
143	void __init palm27x_lcd_init(int power, struct pxafb_mode_info *mode)
144	{
145	palm27x_lcd_screen.modes = mode;
146
147	if (gpio_is_valid(power)) {
148	if (!gpio_request(power, "LCD power")) {
149	pr_err("Palm27x: failed to claim lcd power gpio!\n");
150	return;
151	}
152	if (!gpio_direction_output(power, 1)) {
153	pr_err("Palm27x: lcd power configuration failed!\n");
154	return;
155	}
156	palm27x_lcd_power = power;
157	palm27x_lcd_screen.pxafb_lcd_power = palm27x_lcd_ctl;
158	}
159
4321e1a1	160	pxa_set_fb_info(NULL, &palm27x_lcd_screen);
95045947 MV	161	}
	162	#endif
	163
	164	/******************************************************************************
	165	* USB Gadget
	166	******************************************************************************/
c0a39151 HZ	167	#if defined(CONFIG_USB_PXA27X) \|\| \
c0a39151 HZ	168	defined(CONFIG_USB_PXA27X_MODULE)
95045947 MV	169	static struct gpio_vbus_mach_info palm27x_udc_info = {
	170	.gpio_vbus_inverted = 1,
	171	};
	172
	173	static struct platform_device palm27x_gpio_vbus = {
	174	.name = "gpio-vbus",
	175	.id = -1,
	176	.dev = {
	177	.platform_data = &palm27x_udc_info,
	178	},
	179	};
	180
	181	void __init palm27x_udc_init(int vbus, int pullup, int vbus_inverted)
	182	{
	183	palm27x_udc_info.gpio_vbus = vbus;
	184	palm27x_udc_info.gpio_pullup = pullup;
	185
	186	palm27x_udc_info.gpio_vbus_inverted = vbus_inverted;
	187
	188	if (!gpio_request(pullup, "USB Pullup")) {
	189	gpio_direction_output(pullup,
	190	palm27x_udc_info.gpio_vbus_inverted);
	191	gpio_free(pullup);
	192	} else
	193	return;
	194
	195	platform_device_register(&palm27x_gpio_vbus);
	196	}
	197	#endif
	198
	199	/******************************************************************************
	200	* IrDA
	201	******************************************************************************/
	202	#if defined(CONFIG_IRDA) \|\| defined(CONFIG_IRDA_MODULE)
	203	static struct pxaficp_platform_data palm27x_ficp_platform_data = {
	204	.transceiver_cap = IR_SIRMODE \| IR_OFF,
	205	};
	206
	207	void __init palm27x_irda_init(int pwdn)
	208	{
	209	palm27x_ficp_platform_data.gpio_pwdown = pwdn;
	210	pxa_set_ficp_info(&palm27x_ficp_platform_data);
	211	}
	212	#endif
	213
	214	/******************************************************************************
	215	* WM97xx audio, battery
	216	******************************************************************************/
	217	#if defined(CONFIG_TOUCHSCREEN_WM97XX) \|\| \
	218	defined(CONFIG_TOUCHSCREEN_WM97XX_MODULE)
	219	static struct wm97xx_batt_pdata palm27x_batt_pdata = {
	220	.batt_aux = WM97XX_AUX_ID3,
	221	.temp_aux = WM97XX_AUX_ID2,
	222	.charge_gpio = -1,
	223	.batt_mult = 1000,
	224	.batt_div = 414,
	225	.temp_mult = 1,
	226	.temp_div = 1,
	227	.batt_tech = POWER_SUPPLY_TECHNOLOGY_LIPO,
	228	.batt_name = "main-batt",
	229	};
	230
	231	static struct wm97xx_pdata palm27x_wm97xx_pdata = {
	232	.batt_pdata = &palm27x_batt_pdata,
233	};
234
235	static pxa2xx_audio_ops_t palm27x_ac97_pdata = {
236	.codec_pdata = { &palm27x_wm97xx_pdata, },
237	};
238
239	static struct palm27x_asoc_info palm27x_asoc_pdata = {
240	.jack_gpio = -1,
241	};
242
243	static struct platform_device palm27x_asoc = {
244	.name = "palm27x-asoc",
245	.id = -1,
246	.dev = {
247	.platform_data = &palm27x_asoc_pdata,
248	},
249	};
250
251	void __init palm27x_ac97_init(int minv, int maxv, int jack, int reset)
252	{
253	palm27x_ac97_pdata.reset_gpio = reset;
254	palm27x_asoc_pdata.jack_gpio = jack;
255
256	if (minv < 0 \|\| maxv < 0) {
257	palm27x_ac97_pdata.codec_pdata[0] = NULL;
258	pxa_set_ac97_info(&palm27x_ac97_pdata);
259	} else {
260	palm27x_batt_pdata.min_voltage = minv,
261	palm27x_batt_pdata.max_voltage = maxv,
262
263	pxa_set_ac97_info(&palm27x_ac97_pdata);
264	platform_device_register(&palm27x_asoc);
265	}
266	}
267	#endif
268
269	/******************************************************************************
270	* Backlight
271	******************************************************************************/
272	#if defined(CONFIG_BACKLIGHT_PWM) \|\| defined(CONFIG_BACKLIGHT_PWM_MODULE)
273	static int palm_bl_power;
274	static int palm_lcd_power;
275
276	static int palm27x_backlight_init(struct device *dev)
277	{
278	int ret;
279
280	ret = gpio_request(palm_bl_power, "BL POWER");
281	if (ret)
282	goto err;
283	ret = gpio_direction_output(palm_bl_power, 0);
284	if (ret)
285	goto err2;
286
287	if (gpio_is_valid(palm_lcd_power)) {
288	ret = gpio_request(palm_lcd_power, "LCD POWER");
289	if (ret)
290	goto err2;
291	ret = gpio_direction_output(palm_lcd_power, 0);
292	if (ret)
293	goto err3;
294	}
295
296	return 0;
297	err3:
298	gpio_free(palm_lcd_power);
299	err2:
300	gpio_free(palm_bl_power);
301	err:
302	return ret;
303	}
304
305	static int palm27x_backlight_notify(struct device *dev, int brightness)
306	{
307	gpio_set_value(palm_bl_power, brightness);
308	if (gpio_is_valid(palm_lcd_power))
309	gpio_set_value(palm_lcd_power, brightness);
310	return brightness;
311	}
312
313	static void palm27x_backlight_exit(struct device *dev)
314	{
315	gpio_free(palm_bl_power);
316	if (gpio_is_valid(palm_lcd_power))
317	gpio_free(palm_lcd_power);
318	}
319
320	static struct platform_pwm_backlight_data palm27x_backlight_data = {
321	.pwm_id = 0,
322	.max_brightness = 0xfe,
323	.dft_brightness = 0x7e,
285ca2ee	324	.pwm_period_ns = 3500 * 1024,
95045947 MV	325	.init = palm27x_backlight_init,
	326	.notify = palm27x_backlight_notify,
	327	.exit = palm27x_backlight_exit,
	328	};
	329
	330	static struct platform_device palm27x_backlight = {
	331	.name = "pwm-backlight",
	332	.dev = {
	333	.parent = &pxa27x_device_pwm0.dev,
	334	.platform_data = &palm27x_backlight_data,
	335	},
	336	};
	337
	338	void __init palm27x_pwm_init(int bl, int lcd)
	339	{
	340	palm_bl_power = bl;
	341	palm_lcd_power = lcd;
	342	platform_device_register(&palm27x_backlight);
	343	}
	344	#endif
	345
	346	/******************************************************************************
	347	* Power supply
	348	******************************************************************************/
	349	#if defined(CONFIG_PDA_POWER) \|\| defined(CONFIG_PDA_POWER_MODULE)
	350	static int palm_ac_state;
	351	static int palm_usb_state;
	352
	353	static int palm27x_power_supply_init(struct device *dev)
	354	{
	355	int ret;
	356
	357	ret = gpio_request(palm_ac_state, "AC state");
	358	if (ret)
	359	goto err1;
	360	ret = gpio_direction_input(palm_ac_state);
	361	if (ret)
	362	goto err2;
	363
	364	if (gpio_is_valid(palm_usb_state)) {
	365	ret = gpio_request(palm_usb_state, "USB state");
	366	if (ret)
	367	goto err2;
	368	ret = gpio_direction_input(palm_usb_state);
	369	if (ret)
	370	goto err3;
	371	}
	372
	373	return 0;
	374	err3:
	375	gpio_free(palm_usb_state);
	376	err2:
	377	gpio_free(palm_ac_state);
	378	err1:
	379	return ret;
	380	}
	381
	382	static void palm27x_power_supply_exit(struct device *dev)
	383	{
	384	gpio_free(palm_usb_state);
	385	gpio_free(palm_ac_state);
	386	}
	387
	388	static int palm27x_is_ac_online(void)
389	{
390	return gpio_get_value(palm_ac_state);
391	}
392
393	static int palm27x_is_usb_online(void)
394	{
395	return !gpio_get_value(palm_usb_state);
396	}
397	static char *palm27x_supplicants[] = {
398	"main-battery",
399	};
400
401	static struct pda_power_pdata palm27x_ps_info = {
402	.init = palm27x_power_supply_init,
403	.exit = palm27x_power_supply_exit,
404	.is_ac_online = palm27x_is_ac_online,
405	.is_usb_online = palm27x_is_usb_online,
406	.supplied_to = palm27x_supplicants,
407	.num_supplicants = ARRAY_SIZE(palm27x_supplicants),
408	};
409
410	static struct platform_device palm27x_power_supply = {
411	.name = "pda-power",
412	.id = -1,
413	.dev = {
414	.platform_data = &palm27x_ps_info,
415	},
416	};
417
418	void __init palm27x_power_init(int ac, int usb)
419	{
420	palm_ac_state = ac;
421	palm_usb_state = usb;
422	platform_device_register(&palm27x_power_supply);
423	}
424	#endif
425
426	/******************************************************************************
427	* Core power regulator
428	******************************************************************************/
429	#if defined(CONFIG_REGULATOR_MAX1586) \|\| \
430	defined(CONFIG_REGULATOR_MAX1586_MODULE)
431	static struct regulator_consumer_supply palm27x_max1587a_consumers[] = {
432	{
433	.supply = "vcc_core",
434	}
435	};
436
437	static struct regulator_init_data palm27x_max1587a_v3_info = {
438	.constraints = {
439	.name = "vcc_core range",
440	.min_uV = 900000,
441	.max_uV = 1705000,
442	.always_on = 1,
443	.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
444	},
445	.consumer_supplies = palm27x_max1587a_consumers,
446	.num_consumer_supplies = ARRAY_SIZE(palm27x_max1587a_consumers),
447	};
448
449	static struct max1586_subdev_data palm27x_max1587a_subdevs[] = {
450	{
451	.name = "vcc_core",
452	.id = MAX1586_V3,
453	.platform_data = &palm27x_max1587a_v3_info,
454	}
455	};
456
457	static struct max1586_platform_data palm27x_max1587a_info = {
458	.subdevs = palm27x_max1587a_subdevs,
459	.num_subdevs = ARRAY_SIZE(palm27x_max1587a_subdevs),
460	.v3_gain = MAX1586_GAIN_R24_3k32, /* 730..1550 mV */
461	};
462
463	static struct i2c_board_info __initdata palm27x_pi2c_board_info[] = {
464	{
465	I2C_BOARD_INFO("max1586", 0x14),
466	.platform_data = &palm27x_max1587a_info,
467	},
468	};
469
cf625368 MV	470	static struct i2c_pxa_platform_data palm27x_i2c_power_info = {
	471	.use_pio = 1,
	472	};
	473
95045947 MV	474	void __init palm27x_pmic_init(void)
	475	{
	476	i2c_register_board_info(1, ARRAY_AND_SIZE(palm27x_pi2c_board_info));
cf625368	477	pxa27x_set_i2c_power_info(&palm27x_i2c_power_info);
95045947 MV	478	}
95045947 MV	479	#endif