[mirror_ubuntu-artful-kernel.git] / arch / arm / mach-pxa / colibri-pxa3xx.c

/*
 *  arch/arm/mach-pxa/colibri-pxa3xx.c
 *
 *  Common functions for all Toradex PXA3xx modules
 *
 *  Daniel Mack <daniel@caiaq.de>
 *
 *  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/init.h>
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/gpio.h>
#include <linux/etherdevice.h>
#include <asm/mach-types.h>
#include <mach/hardware.h>
#include <asm/sizes.h>
#include <asm/mach/arch.h>
#include <asm/mach/irq.h>
#include <mach/pxa3xx-regs.h>
#include <mach/mfp-pxa300.h>
#include <mach/colibri.h>
#include <mach/mmc.h>
#include <mach/pxafb.h>

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

#if defined(CONFIG_AX88796)
#define ETHER_ADDR_LEN 6
static u8 ether_mac_addr[ETHER_ADDR_LEN];

void __init colibri_pxa3xx_init_eth(struct ax_plat_data *plat_data)
{
	int i;
	u64 serial = ((u64) system_serial_high << 32) | system_serial_low;

	/*
	 * If the bootloader passed in a serial boot tag, which contains a
	 * valid ethernet MAC, pass it to the interface. Toradex ships the
	 * modules with their own bootloader which provides a valid MAC
	 * this way.
	 */

	for (i = 0; i < ETHER_ADDR_LEN; i++) {
		ether_mac_addr[i] = serial & 0xff;
		serial >>= 8;
	}

	if (is_valid_ether_addr(ether_mac_addr)) {
		plat_data->flags |= AXFLG_MAC_FROMPLATFORM;
		plat_data->mac_addr = ether_mac_addr;
		printk(KERN_INFO "%s(): taking MAC from serial boot tag\n",
			__func__);
	} else {
		plat_data->flags |= AXFLG_MAC_FROMDEV;
		printk(KERN_INFO "%s(): no valid serial boot tag found, "
			"taking MAC from device\n", __func__);
	}
}
#endif

#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
static int mmc_detect_pin;

static int colibri_pxa3xx_mci_init(struct device *dev,
				   irq_handler_t colibri_mmc_detect_int,
				   void *data)
{
	int ret;

	ret = gpio_request(mmc_detect_pin, "mmc card detect");
	if (ret)
		return ret;

	gpio_direction_input(mmc_detect_pin);
	ret = request_irq(gpio_to_irq(mmc_detect_pin), colibri_mmc_detect_int,
			  IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
			  "MMC card detect", data);
	if (ret) {
		gpio_free(mmc_detect_pin);
		return ret;
	}

	return 0;
}

static void colibri_pxa3xx_mci_exit(struct device *dev, void *data)
{
	free_irq(mmc_detect_pin, data);
	gpio_free(gpio_to_irq(mmc_detect_pin));
}

static struct pxamci_platform_data colibri_pxa3xx_mci_platform_data = {
	.detect_delay		= 20,
	.ocr_mask		= MMC_VDD_32_33 | MMC_VDD_33_34,
	.init			= colibri_pxa3xx_mci_init,
	.exit			= colibri_pxa3xx_mci_exit,
	.gpio_card_detect	= -1,
	.gpio_card_ro		= -1,
	.gpio_power		= -1,
};

void __init colibri_pxa3xx_init_mmc(mfp_cfg_t *pins, int len, int detect_pin)
{
	pxa3xx_mfp_config(pins, len);
	mmc_detect_pin = detect_pin;
	pxa_set_mci_info(&colibri_pxa3xx_mci_platform_data);
}
#endif /* CONFIG_MMC_PXA || CONFIG_MMC_PXA_MODULE */

#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
static int lcd_bl_pin;

/*
 * LCD panel (Sharp LQ043T3DX02)
 */
static void colibri_lcd_backlight(int on)
{
	gpio_set_value(lcd_bl_pin, !!on);
}

static struct pxafb_mode_info sharp_lq43_mode = {
	.pixclock	= 101936,
	.xres		= 480,
	.yres		= 272,
	.bpp		= 32,
	.depth		= 18,
	.hsync_len      = 41,
	.left_margin    = 2,
	.right_margin   = 2,
	.vsync_len      = 10,
	.upper_margin   = 2,
	.lower_margin   = 2,
	.sync	   	= 0,
	.cmap_greyscale = 0,
};

static struct pxafb_mach_info sharp_lq43_info = {
	.modes		= &sharp_lq43_mode,
	.num_modes	= 1,
	.cmap_inverse	= 0,
	.cmap_static	= 0,
	.lcd_conn	= LCD_COLOR_TFT_18BPP,
	.pxafb_backlight_power = colibri_lcd_backlight,
};

void __init colibri_pxa3xx_init_lcd(int bl_pin)
{
	lcd_bl_pin = bl_pin;
	gpio_request(bl_pin, "lcd backlight");
	gpio_direction_output(bl_pin, 0);
	set_pxa_fb_info(&sharp_lq43_info);
}
#endif
Commit	Line	Data
acb36559 DM	1	/*
	2	* arch/arm/mach-pxa/colibri-pxa3xx.c
	3	*
	4	* Common functions for all Toradex PXA3xx modules
	5	*
	6	* Daniel Mack <daniel@caiaq.de>
	7	*
	8	* This program is free software; you can redistribute it and/or modify
	9	* it under the terms of the GNU General Public License version 2 as
	10	* published by the Free Software Foundation.
	11	*/
	12
	13	#include <linux/init.h>
	14	#include <linux/kernel.h>
	15	#include <linux/platform_device.h>
	16	#include <linux/gpio.h>
22a0200b	17	#include <linux/etherdevice.h>
acb36559 DM	18	#include <asm/mach-types.h>
	19	#include <mach/hardware.h>
	20	#include <asm/sizes.h>
	21	#include <asm/mach/arch.h>
	22	#include <asm/mach/irq.h>
	23	#include <mach/pxa3xx-regs.h>
	24	#include <mach/mfp-pxa300.h>
	25	#include <mach/colibri.h>
	26	#include <mach/mmc.h>
91fcfb90	27	#include <mach/pxafb.h>
acb36559 DM	28
	29	#include "generic.h"
	30	#include "devices.h"
	31
22a0200b DM	32	#if defined(CONFIG_AX88796)
	33	#define ETHER_ADDR_LEN 6
	34	static u8 ether_mac_addr[ETHER_ADDR_LEN];
	35
	36	void __init colibri_pxa3xx_init_eth(struct ax_plat_data *plat_data)
	37	{
	38	int i;
	39	u64 serial = ((u64) system_serial_high << 32) \| system_serial_low;
	40
	41	/*
	42	* If the bootloader passed in a serial boot tag, which contains a
	43	* valid ethernet MAC, pass it to the interface. Toradex ships the
	44	* modules with their own bootloader which provides a valid MAC
	45	* this way.
	46	*/
	47
	48	for (i = 0; i < ETHER_ADDR_LEN; i++) {
	49	ether_mac_addr[i] = serial & 0xff;
	50	serial >>= 8;
	51	}
	52
	53	if (is_valid_ether_addr(ether_mac_addr)) {
	54	plat_data->flags \|= AXFLG_MAC_FROMPLATFORM;
	55	plat_data->mac_addr = ether_mac_addr;
	56	printk(KERN_INFO "%s(): taking MAC from serial boot tag\n",
	57	__func__);
	58	} else {
	59	plat_data->flags \|= AXFLG_MAC_FROMDEV;
	60	printk(KERN_INFO "%s(): no valid serial boot tag found, "
	61	"taking MAC from device\n", __func__);
	62	}
	63	}
	64	#endif
	65
acb36559 DM	66	#if defined(CONFIG_MMC_PXA) \|\| defined(CONFIG_MMC_PXA_MODULE)
	67	static int mmc_detect_pin;
	68
	69	static int colibri_pxa3xx_mci_init(struct device *dev,
	70	irq_handler_t colibri_mmc_detect_int,
	71	void *data)
	72	{
	73	int ret;
	74
	75	ret = gpio_request(mmc_detect_pin, "mmc card detect");
	76	if (ret)
	77	return ret;
	78
	79	gpio_direction_input(mmc_detect_pin);
	80	ret = request_irq(gpio_to_irq(mmc_detect_pin), colibri_mmc_detect_int,
	81	IRQF_TRIGGER_RISING \| IRQF_TRIGGER_FALLING,
	82	"MMC card detect", data);
	83	if (ret) {
	84	gpio_free(mmc_detect_pin);
	85	return ret;
	86	}
	87
	88	return 0;
	89	}
	90
	91	static void colibri_pxa3xx_mci_exit(struct device dev, void data)
	92	{
	93	free_irq(mmc_detect_pin, data);
	94	gpio_free(gpio_to_irq(mmc_detect_pin));
	95	}
	96
	97	static struct pxamci_platform_data colibri_pxa3xx_mci_platform_data = {
7a648256 RJ	98	.detect_delay = 20,
	99	.ocr_mask = MMC_VDD_32_33 \| MMC_VDD_33_34,
	100	.init = colibri_pxa3xx_mci_init,
	101	.exit = colibri_pxa3xx_mci_exit,
	102	.gpio_card_detect = -1,
	103	.gpio_card_ro = -1,
	104	.gpio_power = -1,
acb36559 DM	105	};
	106
	107	void __init colibri_pxa3xx_init_mmc(mfp_cfg_t *pins, int len, int detect_pin)
	108	{
	109	pxa3xx_mfp_config(pins, len);
	110	mmc_detect_pin = detect_pin;
	111	pxa_set_mci_info(&colibri_pxa3xx_mci_platform_data);
	112	}
	113	#endif /* CONFIG_MMC_PXA \|\| CONFIG_MMC_PXA_MODULE */
	114
91fcfb90 DM	115	#if defined(CONFIG_FB_PXA) \|\| defined(CONFIG_FB_PXA_MODULE)
	116	static int lcd_bl_pin;
	117
	118	/*
	119	* LCD panel (Sharp LQ043T3DX02)
	120	*/
	121	static void colibri_lcd_backlight(int on)
	122	{
	123	gpio_set_value(lcd_bl_pin, !!on);
	124	}
	125
	126	static struct pxafb_mode_info sharp_lq43_mode = {
	127	.pixclock = 101936,
	128	.xres = 480,
	129	.yres = 272,
	130	.bpp = 32,
	131	.depth = 18,
	132	.hsync_len = 41,
	133	.left_margin = 2,
	134	.right_margin = 2,
	135	.vsync_len = 10,
	136	.upper_margin = 2,
	137	.lower_margin = 2,
	138	.sync = 0,
	139	.cmap_greyscale = 0,
	140	};
	141
	142	static struct pxafb_mach_info sharp_lq43_info = {
	143	.modes = &sharp_lq43_mode,
	144	.num_modes = 1,
	145	.cmap_inverse = 0,
	146	.cmap_static = 0,
	147	.lcd_conn = LCD_COLOR_TFT_18BPP,
	148	.pxafb_backlight_power = colibri_lcd_backlight,
	149	};
	150
	151	void __init colibri_pxa3xx_init_lcd(int bl_pin)
	152	{
	153	lcd_bl_pin = bl_pin;
	154	gpio_request(bl_pin, "lcd backlight");
	155	gpio_direction_output(bl_pin, 0);
	156	set_pxa_fb_info(&sharp_lq43_info);
	157	}
	158	#endif
	159