[GitHub/mt8127/android_kernel_alcatel_ttab.git] / arch / arm / mach-mx3 / devices.c

/*
 * Copyright 2006-2007 Freescale Semiconductor, Inc. All Rights Reserved.
 * Copyright 2008 Sascha Hauer, kernel@pengutronix.de
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA  02110-1301, USA.
 */

#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/serial.h>
#include <linux/gpio.h>
#include <mach/hardware.h>
#include <mach/imx-uart.h>

static struct resource uart0[] = {
	{
		.start = UART1_BASE_ADDR,
		.end = UART1_BASE_ADDR + 0x0B5,
		.flags = IORESOURCE_MEM,
	}, {
		.start = MXC_INT_UART1,
		.end = MXC_INT_UART1,
		.flags = IORESOURCE_IRQ,
	},
};

static struct platform_device mxc_uart_device0 = {
	.name = "imx-uart",
	.id = 0,
	.resource = uart0,
	.num_resources = ARRAY_SIZE(uart0),
};

static struct resource uart1[] = {
	{
		.start = UART2_BASE_ADDR,
		.end = UART2_BASE_ADDR + 0x0B5,
		.flags = IORESOURCE_MEM,
	}, {
		.start = MXC_INT_UART2,
		.end = MXC_INT_UART2,
		.flags = IORESOURCE_IRQ,
	},
};

static struct platform_device mxc_uart_device1 = {
	.name = "imx-uart",
	.id = 1,
	.resource = uart1,
	.num_resources = ARRAY_SIZE(uart1),
};

static struct resource uart2[] = {
	{
		.start = UART3_BASE_ADDR,
		.end = UART3_BASE_ADDR + 0x0B5,
		.flags = IORESOURCE_MEM,
	}, {
		.start = MXC_INT_UART3,
		.end = MXC_INT_UART3,
		.flags = IORESOURCE_IRQ,
	},
};

static struct platform_device mxc_uart_device2 = {
	.name = "imx-uart",
	.id = 2,
	.resource = uart2,
	.num_resources = ARRAY_SIZE(uart2),
};

static struct resource uart3[] = {
	{
		.start = UART4_BASE_ADDR,
		.end = UART4_BASE_ADDR + 0x0B5,
		.flags = IORESOURCE_MEM,
	}, {
		.start = MXC_INT_UART4,
		.end = MXC_INT_UART4,
		.flags = IORESOURCE_IRQ,
	},
};

static struct platform_device mxc_uart_device3 = {
	.name = "imx-uart",
	.id = 3,
	.resource = uart3,
	.num_resources = ARRAY_SIZE(uart3),
};

static struct resource uart4[] = {
	{
		.start = UART5_BASE_ADDR,
		.end = UART5_BASE_ADDR + 0x0B5,
		.flags = IORESOURCE_MEM,
	}, {
		.start = MXC_INT_UART5,
		.end = MXC_INT_UART5,
		.flags = IORESOURCE_IRQ,
	},
};

static struct platform_device mxc_uart_device4 = {
	.name = "imx-uart",
	.id = 4,
	.resource = uart4,
	.num_resources = ARRAY_SIZE(uart4),
};

/*
 * Register only those UARTs that physically exist
 */
int __init imx_init_uart(int uart_no, struct imxuart_platform_data *pdata)
{
	switch (uart_no) {
	case 0:
		mxc_uart_device0.dev.platform_data = pdata;
		platform_device_register(&mxc_uart_device0);
		break;
	case 1:
		mxc_uart_device1.dev.platform_data = pdata;
		platform_device_register(&mxc_uart_device1);
		break;
	case 2:
		mxc_uart_device2.dev.platform_data = pdata;
		platform_device_register(&mxc_uart_device2);
		break;
	case 3:
		mxc_uart_device3.dev.platform_data = pdata;
		platform_device_register(&mxc_uart_device3);
		break;
	case 4:
		mxc_uart_device4.dev.platform_data = pdata;
		platform_device_register(&mxc_uart_device4);
		break;
	default:
		return -ENODEV;
	}

	return 0;
}

/* GPIO port description */
static struct mxc_gpio_port imx_gpio_ports[] = {
	[0] = {
		.chip.label = "gpio-0",
		.base = IO_ADDRESS(GPIO1_BASE_ADDR),
		.irq = MXC_INT_GPIO1,
		.virtual_irq_start = MXC_GPIO_INT_BASE
	},
	[1] = {
		.chip.label = "gpio-1",
		.base = IO_ADDRESS(GPIO2_BASE_ADDR),
		.irq = MXC_INT_GPIO2,
		.virtual_irq_start = MXC_GPIO_INT_BASE + GPIO_NUM_PIN
	},
	[2] = {
		.chip.label = "gpio-2",
		.base = IO_ADDRESS(GPIO3_BASE_ADDR),
		.irq = MXC_INT_GPIO3,
		.virtual_irq_start = MXC_GPIO_INT_BASE + GPIO_NUM_PIN * 2
	}
};

int __init mxc_register_gpios(void)
{
	return mxc_gpio_init(imx_gpio_ports, ARRAY_SIZE(imx_gpio_ports));
}
Commit	Line	Data
e3d13ff4 SH	1	/*
	2	* Copyright 2006-2007 Freescale Semiconductor, Inc. All Rights Reserved.
	3	* Copyright 2008 Sascha Hauer, kernel@pengutronix.de
	4	*
	5	* This program is free software; you can redistribute it and/or
	6	* modify it under the terms of the GNU General Public License
	7	* as published by the Free Software Foundation; either version 2
	8	* of the License, or (at your option) any later version.
	9	* This program is distributed in the hope that it will be useful,
	10	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	11	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	12	* GNU General Public License for more details.
	13	*
	14	* You should have received a copy of the GNU General Public License
	15	* along with this program; if not, write to the Free Software
	16	* Foundation, Inc., 51 Franklin Street, Fifth Floor,
	17	* Boston, MA 02110-1301, USA.
	18	*/
	19
	20	#include <linux/module.h>
	21	#include <linux/platform_device.h>
	22	#include <linux/serial.h>
07bd1a6c	23	#include <linux/gpio.h>
a09e64fb RK	24	#include <mach/hardware.h>
a09e64fb RK	25	#include <mach/imx-uart.h>
e3d13ff4 SH	26
	27	static struct resource uart0[] = {
	28	{
	29	.start = UART1_BASE_ADDR,
	30	.end = UART1_BASE_ADDR + 0x0B5,
	31	.flags = IORESOURCE_MEM,
	32	}, {
	33	.start = MXC_INT_UART1,
	34	.end = MXC_INT_UART1,
	35	.flags = IORESOURCE_IRQ,
	36	},
	37	};
	38
	39	static struct platform_device mxc_uart_device0 = {
	40	.name = "imx-uart",
	41	.id = 0,
	42	.resource = uart0,
	43	.num_resources = ARRAY_SIZE(uart0),
	44	};
	45
	46	static struct resource uart1[] = {
	47	{
	48	.start = UART2_BASE_ADDR,
	49	.end = UART2_BASE_ADDR + 0x0B5,
	50	.flags = IORESOURCE_MEM,
	51	}, {
	52	.start = MXC_INT_UART2,
	53	.end = MXC_INT_UART2,
	54	.flags = IORESOURCE_IRQ,
	55	},
	56	};
	57
	58	static struct platform_device mxc_uart_device1 = {
	59	.name = "imx-uart",
	60	.id = 1,
	61	.resource = uart1,
	62	.num_resources = ARRAY_SIZE(uart1),
	63	};
	64
	65	static struct resource uart2[] = {
	66	{
	67	.start = UART3_BASE_ADDR,
	68	.end = UART3_BASE_ADDR + 0x0B5,
	69	.flags = IORESOURCE_MEM,
	70	}, {
	71	.start = MXC_INT_UART3,
	72	.end = MXC_INT_UART3,
	73	.flags = IORESOURCE_IRQ,
	74	},
	75	};
	76
	77	static struct platform_device mxc_uart_device2 = {
	78	.name = "imx-uart",
	79	.id = 2,
	80	.resource = uart2,
	81	.num_resources = ARRAY_SIZE(uart2),
	82	};
	83
	84	static struct resource uart3[] = {
	85	{
	86	.start = UART4_BASE_ADDR,
	87	.end = UART4_BASE_ADDR + 0x0B5,
	88	.flags = IORESOURCE_MEM,
	89	}, {
90	.start = MXC_INT_UART4,
91	.end = MXC_INT_UART4,
92	.flags = IORESOURCE_IRQ,
93	},
94	};
95
96	static struct platform_device mxc_uart_device3 = {
97	.name = "imx-uart",
98	.id = 3,
99	.resource = uart3,
100	.num_resources = ARRAY_SIZE(uart3),
101	};
102
103	static struct resource uart4[] = {
104	{
105	.start = UART5_BASE_ADDR,
106	.end = UART5_BASE_ADDR + 0x0B5,
107	.flags = IORESOURCE_MEM,
108	}, {
109	.start = MXC_INT_UART5,
110	.end = MXC_INT_UART5,
111	.flags = IORESOURCE_IRQ,
112	},
113	};
114
115	static struct platform_device mxc_uart_device4 = {
116	.name = "imx-uart",
117	.id = 4,
118	.resource = uart4,
119	.num_resources = ARRAY_SIZE(uart4),
120	};
121
122	/*
123	* Register only those UARTs that physically exist
124	*/
125	int __init imx_init_uart(int uart_no, struct imxuart_platform_data *pdata)
126	{
127	switch (uart_no) {
128	case 0:
129	mxc_uart_device0.dev.platform_data = pdata;
130	platform_device_register(&mxc_uart_device0);
131	break;
132	case 1:
133	mxc_uart_device1.dev.platform_data = pdata;
134	platform_device_register(&mxc_uart_device1);
135	break;
136	case 2:
137	mxc_uart_device2.dev.platform_data = pdata;
138	platform_device_register(&mxc_uart_device2);
139	break;
140	case 3:
141	mxc_uart_device3.dev.platform_data = pdata;
142	platform_device_register(&mxc_uart_device3);
143	break;
144	case 4:
145	mxc_uart_device4.dev.platform_data = pdata;
146	platform_device_register(&mxc_uart_device4);
147	break;
148	default:
149	return -ENODEV;
150	}
151
152	return 0;
153	}
154
07bd1a6c JB	155	/* GPIO port description */
	156	static struct mxc_gpio_port imx_gpio_ports[] = {
	157	[0] = {
	158	.chip.label = "gpio-0",
	159	.base = IO_ADDRESS(GPIO1_BASE_ADDR),
	160	.irq = MXC_INT_GPIO1,
	161	.virtual_irq_start = MXC_GPIO_INT_BASE
	162	},
	163	[1] = {
	164	.chip.label = "gpio-1",
	165	.base = IO_ADDRESS(GPIO2_BASE_ADDR),
	166	.irq = MXC_INT_GPIO2,
	167	.virtual_irq_start = MXC_GPIO_INT_BASE + GPIO_NUM_PIN
	168	},
	169	[2] = {
	170	.chip.label = "gpio-2",
	171	.base = IO_ADDRESS(GPIO3_BASE_ADDR),
	172	.irq = MXC_INT_GPIO3,
	173	.virtual_irq_start = MXC_GPIO_INT_BASE + GPIO_NUM_PIN * 2
	174	}
	175	};
	176
	177	int __init mxc_register_gpios(void)
	178	{
	179	return mxc_gpio_init(imx_gpio_ports, ARRAY_SIZE(imx_gpio_ports));
	180	}