[mirror_ubuntu-bionic-kernel.git] / arch / arm / mach-pxa / colibri-pxa300.c

/*
 *  arch/arm/mach-pxa/colibri-pxa300.c
 *
 *  Support for Toradex PXA300/310 based Colibri module
 *
 *  Daniel Mack <daniel@caiaq.de>
 *  Matthias Meier <matthias.j.meier@gmx.net>
 *
 *  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/interrupt.h>

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

#include "pxa300.h"
#include "colibri.h"
#include <linux/platform_data/usb-ohci-pxa27x.h>
#include <linux/platform_data/video-pxafb.h>
#include <mach/audio.h>

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


#ifdef CONFIG_MACH_COLIBRI_EVALBOARD
static mfp_cfg_t colibri_pxa300_evalboard_pin_config[] __initdata = {
	/* MMC */
	GPIO7_MMC1_CLK,
	GPIO14_MMC1_CMD,
	GPIO3_MMC1_DAT0,
	GPIO4_MMC1_DAT1,
	GPIO5_MMC1_DAT2,
	GPIO6_MMC1_DAT3,
	GPIO13_GPIO,	/* GPIO13_COLIBRI_PXA300_SD_DETECT */

	/* UHC */
	GPIO0_2_USBH_PEN,
	GPIO1_2_USBH_PWR,
	GPIO77_USB_P3_1,
	GPIO78_USB_P3_2,
	GPIO79_USB_P3_3,
	GPIO80_USB_P3_4,
	GPIO81_USB_P3_5,
	GPIO82_USB_P3_6,

	/* I2C */
	GPIO21_I2C_SCL,
	GPIO22_I2C_SDA,
};
#else
static mfp_cfg_t colibri_pxa300_evalboard_pin_config[] __initdata = {};
#endif

#if defined(CONFIG_AX88796)
#define COLIBRI_ETH_IRQ_GPIO	mfp_to_gpio(GPIO26_GPIO)
/*
 * Asix AX88796 Ethernet
 */
static struct ax_plat_data colibri_asix_platdata = {
	.flags		= 0, /* defined later */
	.wordlength	= 2,
};

static struct resource colibri_asix_resource[] = {
	[0] = {
		.start = PXA3xx_CS2_PHYS,
		.end   = PXA3xx_CS2_PHYS + (0x20 * 2) - 1,
		.flags = IORESOURCE_MEM,
	},
	[1] = {
		.start = PXA_GPIO_TO_IRQ(COLIBRI_ETH_IRQ_GPIO),
		.end   = PXA_GPIO_TO_IRQ(COLIBRI_ETH_IRQ_GPIO),
		.flags = IORESOURCE_IRQ | IRQF_TRIGGER_FALLING,
	}
};

static struct platform_device asix_device = {
	.name		= "ax88796",
	.id		= 0,
	.num_resources 	= ARRAY_SIZE(colibri_asix_resource),
	.resource	= colibri_asix_resource,
	.dev		= {
		.platform_data = &colibri_asix_platdata
	}
};

static mfp_cfg_t colibri_pxa300_eth_pin_config[] __initdata = {
	GPIO1_nCS2,			/* AX88796 chip select */
	GPIO26_GPIO | MFP_PULL_HIGH	/* AX88796 IRQ */
};

static void __init colibri_pxa300_init_eth(void)
{
	colibri_pxa3xx_init_eth(&colibri_asix_platdata);
	pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa300_eth_pin_config));
	platform_device_register(&asix_device);
}
#else
static inline void __init colibri_pxa300_init_eth(void) {}
#endif /* CONFIG_AX88796 */

#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
static mfp_cfg_t colibri_pxa300_lcd_pin_config[] __initdata = {
	GPIO54_LCD_LDD_0,
	GPIO55_LCD_LDD_1,
	GPIO56_LCD_LDD_2,
	GPIO57_LCD_LDD_3,
	GPIO58_LCD_LDD_4,
	GPIO59_LCD_LDD_5,
	GPIO60_LCD_LDD_6,
	GPIO61_LCD_LDD_7,
	GPIO62_LCD_LDD_8,
	GPIO63_LCD_LDD_9,
	GPIO64_LCD_LDD_10,
	GPIO65_LCD_LDD_11,
	GPIO66_LCD_LDD_12,
	GPIO67_LCD_LDD_13,
	GPIO68_LCD_LDD_14,
	GPIO69_LCD_LDD_15,
	GPIO70_LCD_LDD_16,
	GPIO71_LCD_LDD_17,
	GPIO62_LCD_CS_N,
	GPIO72_LCD_FCLK,
	GPIO73_LCD_LCLK,
	GPIO74_LCD_PCLK,
	GPIO75_LCD_BIAS,
	GPIO76_LCD_VSYNC,
};

static void __init colibri_pxa300_init_lcd(void)
{
	pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa300_lcd_pin_config));
}

#else
static inline void colibri_pxa300_init_lcd(void) {}
#endif /* CONFIG_FB_PXA || CONFIG_FB_PXA_MODULE */

#if defined(CONFIG_SND_AC97_CODEC) || defined(CONFIG_SND_AC97_CODEC_MODULE)
static mfp_cfg_t colibri_pxa310_ac97_pin_config[] __initdata = {
	GPIO24_AC97_SYSCLK,
	GPIO23_AC97_nACRESET,
	GPIO25_AC97_SDATA_IN_0,
	GPIO27_AC97_SDATA_OUT,
	GPIO28_AC97_SYNC,
	GPIO29_AC97_BITCLK
};

static inline void __init colibri_pxa310_init_ac97(void)
{
	/* no AC97 codec on Colibri PXA300 */
	if (!cpu_is_pxa310())
		return;

	pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa310_ac97_pin_config));
	pxa_set_ac97_info(NULL);
}
#else
static inline void colibri_pxa310_init_ac97(void) {}
#endif

void __init colibri_pxa300_init(void)
{
	colibri_pxa300_init_eth();
	colibri_pxa3xx_init_nand();
	colibri_pxa300_init_lcd();
	colibri_pxa3xx_init_lcd(mfp_to_gpio(GPIO39_GPIO));
	colibri_pxa310_init_ac97();

	/* Evalboard init */
	pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa300_evalboard_pin_config));
	colibri_evalboard_init();
}

MACHINE_START(COLIBRI300, "Toradex Colibri PXA300")
	.atag_offset	= 0x100,
	.init_machine	= colibri_pxa300_init,
	.map_io		= pxa3xx_map_io,
	.nr_irqs	= PXA_NR_IRQS,
	.init_irq	= pxa3xx_init_irq,
	.handle_irq	= pxa3xx_handle_irq,
	.init_time	= pxa_timer_init,
	.restart	= pxa_restart,
MACHINE_END
Commit	Line	Data
5fc9f9a1 DM	1	/*
	2	* arch/arm/mach-pxa/colibri-pxa300.c
	3	*
acb36559 DM	4	* Support for Toradex PXA300/310 based Colibri module
acb36559 DM	5	*
5fc9f9a1	6	* Daniel Mack <daniel@caiaq.de>
acb36559	7	* Matthias Meier <matthias.j.meier@gmx.net>
5fc9f9a1 DM	8	*
	9	* This program is free software; you can redistribute it and/or modify
	10	* it under the terms of the GNU General Public License version 2 as
	11	* published by the Free Software Foundation.
	12	*/
	13
	14	#include <linux/init.h>
	15	#include <linux/kernel.h>
	16	#include <linux/platform_device.h>
	17	#include <linux/gpio.h>
8a28b10e	18	#include <linux/interrupt.h>
5fc9f9a1 DM	19
5fc9f9a1 DM	20	#include <asm/mach-types.h>
acb36559	21	#include <asm/sizes.h>
5fc9f9a1 DM	22	#include <asm/mach/arch.h>
	23	#include <asm/mach/irq.h>
	24
4c25c5d2 AB	25	#include "pxa300.h"
4c25c5d2 AB	26	#include "colibri.h"
293b2da1 AB	27	#include <linux/platform_data/usb-ohci-pxa27x.h>
293b2da1 AB	28	#include <linux/platform_data/video-pxafb.h>
7fad6986	29	#include <mach/audio.h>
5fc9f9a1 DM	30
	31	#include "generic.h"
	32	#include "devices.h"
	33
9b6956f4	34
a3172e54	35	#ifdef CONFIG_MACH_COLIBRI_EVALBOARD
9b6956f4 MV	36	static mfp_cfg_t colibri_pxa300_evalboard_pin_config[] __initdata = {
	37	/* MMC */
	38	GPIO7_MMC1_CLK,
	39	GPIO14_MMC1_CMD,
	40	GPIO3_MMC1_DAT0,
	41	GPIO4_MMC1_DAT1,
	42	GPIO5_MMC1_DAT2,
	43	GPIO6_MMC1_DAT3,
57834a72	44	GPIO13_GPIO, /* GPIO13_COLIBRI_PXA300_SD_DETECT */
9b6956f4 MV	45
	46	/* UHC */
	47	GPIO0_2_USBH_PEN,
	48	GPIO1_2_USBH_PWR,
3534cccd BF	49	GPIO77_USB_P3_1,
	50	GPIO78_USB_P3_2,
	51	GPIO79_USB_P3_3,
	52	GPIO80_USB_P3_4,
	53	GPIO81_USB_P3_5,
	54	GPIO82_USB_P3_6,
072e1ae7 MV	55
	56	/* I2C */
	57	GPIO21_I2C_SCL,
	58	GPIO22_I2C_SDA,
9b6956f4 MV	59	};
	60	#else
	61	static mfp_cfg_t colibri_pxa300_evalboard_pin_config[] __initdata = {};
	62	#endif
	63
5fc9f9a1	64	#if defined(CONFIG_AX88796)
acb36559	65	#define COLIBRI_ETH_IRQ_GPIO mfp_to_gpio(GPIO26_GPIO)
5fc9f9a1 DM	66	/*
	67	* Asix AX88796 Ethernet
	68	*/
	69	static struct ax_plat_data colibri_asix_platdata = {
22a0200b DM	70	.flags = 0, /* defined later */
22a0200b DM	71	.wordlength = 2,
5fc9f9a1 DM	72	};
	73
	74	static struct resource colibri_asix_resource[] = {
	75	[0] = {
	76	.start = PXA3xx_CS2_PHYS,
626806d9	77	.end = PXA3xx_CS2_PHYS + (0x20 * 2) - 1,
5fc9f9a1 DM	78	.flags = IORESOURCE_MEM,
	79	},
	80	[1] = {
4929f5a8 HZ	81	.start = PXA_GPIO_TO_IRQ(COLIBRI_ETH_IRQ_GPIO),
4929f5a8 HZ	82	.end = PXA_GPIO_TO_IRQ(COLIBRI_ETH_IRQ_GPIO),
8a28b10e	83	.flags = IORESOURCE_IRQ \| IRQF_TRIGGER_FALLING,
5fc9f9a1 DM	84	}
	85	};
	86
	87	static struct platform_device asix_device = {
	88	.name = "ax88796",
	89	.id = 0,
	90	.num_resources = ARRAY_SIZE(colibri_asix_resource),
	91	.resource = colibri_asix_resource,
	92	.dev = {
	93	.platform_data = &colibri_asix_platdata
	94	}
	95	};
ebc046c2	96
acb36559 DM	97	static mfp_cfg_t colibri_pxa300_eth_pin_config[] __initdata = {
	98	GPIO1_nCS2, /* AX88796 chip select */
	99	GPIO26_GPIO \| MFP_PULL_HIGH /* AX88796 IRQ */
ebc046c2 DM	100	};
ebc046c2 DM	101
acb36559	102	static void __init colibri_pxa300_init_eth(void)
ebc046c2	103	{
22a0200b	104	colibri_pxa3xx_init_eth(&colibri_asix_platdata);
acb36559	105	pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa300_eth_pin_config));
acb36559	106	platform_device_register(&asix_device);
ebc046c2	107	}
ebc046c2	108	#else
acb36559 DM	109	static inline void __init colibri_pxa300_init_eth(void) {}
acb36559 DM	110	#endif /* CONFIG_AX88796 */
ebc046c2	111
91fcfb90 DM	112	#if defined(CONFIG_FB_PXA) \|\| defined(CONFIG_FB_PXA_MODULE)
	113	static mfp_cfg_t colibri_pxa300_lcd_pin_config[] __initdata = {
	114	GPIO54_LCD_LDD_0,
	115	GPIO55_LCD_LDD_1,
	116	GPIO56_LCD_LDD_2,
	117	GPIO57_LCD_LDD_3,
	118	GPIO58_LCD_LDD_4,
	119	GPIO59_LCD_LDD_5,
	120	GPIO60_LCD_LDD_6,
	121	GPIO61_LCD_LDD_7,
	122	GPIO62_LCD_LDD_8,
	123	GPIO63_LCD_LDD_9,
	124	GPIO64_LCD_LDD_10,
	125	GPIO65_LCD_LDD_11,
	126	GPIO66_LCD_LDD_12,
	127	GPIO67_LCD_LDD_13,
	128	GPIO68_LCD_LDD_14,
	129	GPIO69_LCD_LDD_15,
	130	GPIO70_LCD_LDD_16,
	131	GPIO71_LCD_LDD_17,
	132	GPIO62_LCD_CS_N,
	133	GPIO72_LCD_FCLK,
	134	GPIO73_LCD_LCLK,
	135	GPIO74_LCD_PCLK,
	136	GPIO75_LCD_BIAS,
	137	GPIO76_LCD_VSYNC,
	138	};
	139
	140	static void __init colibri_pxa300_init_lcd(void)
	141	{
	142	pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa300_lcd_pin_config));
	143	}
	144
	145	#else
	146	static inline void colibri_pxa300_init_lcd(void) {}
	147	#endif /* CONFIG_FB_PXA \|\| CONFIG_FB_PXA_MODULE */
	148
7fad6986	149	#if defined(CONFIG_SND_AC97_CODEC) \|\| defined(CONFIG_SND_AC97_CODEC_MODULE)
e2bb5bef DM	150	static mfp_cfg_t colibri_pxa310_ac97_pin_config[] __initdata = {
	151	GPIO24_AC97_SYSCLK,
	152	GPIO23_AC97_nACRESET,
	153	GPIO25_AC97_SDATA_IN_0,
	154	GPIO27_AC97_SDATA_OUT,
	155	GPIO28_AC97_SYNC,
	156	GPIO29_AC97_BITCLK
	157	};
	158
	159	static inline void __init colibri_pxa310_init_ac97(void)
	160	{
	161	/* no AC97 codec on Colibri PXA300 */
	162	if (!cpu_is_pxa310())
	163	return;
	164
	165	pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa310_ac97_pin_config));
	166	pxa_set_ac97_info(NULL);
	167	}
	168	#else
	169	static inline void colibri_pxa310_init_ac97(void) {}
	170	#endif
	171
acb36559	172	void __init colibri_pxa300_init(void)
5fc9f9a1	173	{
acb36559	174	colibri_pxa300_init_eth();
53740df1	175	colibri_pxa3xx_init_nand();
91fcfb90	176	colibri_pxa300_init_lcd();
c9b78189	177	colibri_pxa3xx_init_lcd(mfp_to_gpio(GPIO39_GPIO));
e2bb5bef	178	colibri_pxa310_init_ac97();
9b6956f4 MV	179
	180	/* Evalboard init */
	181	pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa300_evalboard_pin_config));
a3172e54	182	colibri_evalboard_init();
5fc9f9a1 DM	183	}
	184
	185	MACHINE_START(COLIBRI300, "Toradex Colibri PXA300")
7375aba6	186	.atag_offset = 0x100,
5fc9f9a1	187	.init_machine = colibri_pxa300_init,
851982c1	188	.map_io = pxa3xx_map_io,
4e611091	189	.nr_irqs = PXA_NR_IRQS,
5fc9f9a1	190	.init_irq = pxa3xx_init_irq,
8a97ae2f	191	.handle_irq = pxa3xx_handle_irq,
6bb27d73	192	.init_time = pxa_timer_init,
271a74fc	193	.restart = pxa_restart,
5fc9f9a1 DM	194	MACHINE_END
5fc9f9a1 DM	195