ARM: imx/mx27_3ds: Add debug board support
[deliverable/linux.git] / arch / arm / mach-imx / mach-mx1ads.c
CommitLineData
cfca8b53 1/*
95c00464 2 * arch/arm/mach-imx/mach-mx1ads.c
cfca8b53
PZ
3 *
4 * Initially based on:
5 * linux-2.6.7-imx/arch/arm/mach-imx/scb9328.c
6 * Copyright (c) 2004 Sascha Hauer <sascha@saschahauer.de>
7 *
8 * 2004 (c) MontaVista Software, Inc.
9 *
10 * This file is licensed under the terms of the GNU General Public
11 * License version 2. This program is licensed "as is" without any
12 * warranty of any kind, whether express or implied.
13 */
14
5b68421f
SH
15#include <linux/i2c.h>
16#include <linux/i2c/pcf857x.h>
cfca8b53 17#include <linux/init.h>
5b68421f 18#include <linux/kernel.h>
cfca8b53
PZ
19#include <linux/platform_device.h>
20#include <linux/mtd/physmap.h>
21
22#include <asm/mach-types.h>
23#include <asm/mach/arch.h>
24#include <asm/mach/time.h>
25
cfca8b53 26#include <mach/common.h>
5b68421f 27#include <mach/hardware.h>
b8b19b0d 28#include <mach/i2c.h>
e835d88e 29#include <mach/iomux-mx1.h>
5b68421f
SH
30#include <mach/irqs.h>
31
6348e6b5 32#include "devices-imx1.h"
cfca8b53 33
6c80ee51 34static const int mx1ads_pins[] __initconst = {
5ae07daa 35 /* UART1 */
cfca8b53
PZ
36 PC9_PF_UART1_CTS,
37 PC10_PF_UART1_RTS,
38 PC11_PF_UART1_TXD,
39 PC12_PF_UART1_RXD,
5ae07daa 40 /* UART2 */
cfca8b53
PZ
41 PB28_PF_UART2_CTS,
42 PB29_PF_UART2_RTS,
43 PB30_PF_UART2_TXD,
44 PB31_PF_UART2_RXD,
5ae07daa
SH
45 /* I2C */
46 PA15_PF_I2C_SDA,
47 PA16_PF_I2C_SCL,
48 /* SPI */
49 PC13_PF_SPI1_SPI_RDY,
50 PC14_PF_SPI1_SCLK,
51 PC15_PF_SPI1_SS,
52 PC16_PF_SPI1_MISO,
53 PC17_PF_SPI1_MOSI,
cfca8b53
PZ
54};
55
5ae07daa
SH
56/*
57 * UARTs platform data
58 */
cfca8b53 59
d112f4e4
UKK
60static const struct imxuart_platform_data uart0_pdata __initconst = {
61 .flags = IMXUART_HAVE_RTSCTS,
62};
63
64static const struct imxuart_platform_data uart1_pdata __initconst = {
65 .flags = IMXUART_HAVE_RTSCTS,
cfca8b53
PZ
66};
67
68/*
69 * Physmap flash
70 */
71
72static struct physmap_flash_data mx1ads_flash_data = {
73 .width = 4, /* bankwidth in bytes */
74};
75
76static struct resource flash_resource = {
05a3185c
UKK
77 .start = MX1_CS0_PHYS,
78 .end = MX1_CS0_PHYS + SZ_32M - 1,
cfca8b53
PZ
79 .flags = IORESOURCE_MEM,
80};
81
82static struct platform_device flash_device = {
83 .name = "physmap-flash",
84 .id = 0,
85 .resource = &flash_resource,
86 .num_resources = 1,
87};
88
b8b19b0d
SH
89/*
90 * I2C
91 */
b8b19b0d
SH
92static struct pcf857x_platform_data pcf857x_data[] = {
93 {
94 .gpio_base = 4 * 32,
95 }, {
96 .gpio_base = 4 * 32 + 16,
97 }
98};
99
6348e6b5 100static const struct imxi2c_platform_data mx1ads_i2c_data __initconst = {
b8b19b0d 101 .bitrate = 100000,
b8b19b0d
SH
102};
103
104static struct i2c_board_info mx1ads_i2c_devices[] = {
105 {
cf87a6e2 106 I2C_BOARD_INFO("pcf8575", 0x22),
b8b19b0d
SH
107 .platform_data = &pcf857x_data[0],
108 }, {
cf87a6e2 109 I2C_BOARD_INFO("pcf8575", 0x24),
b8b19b0d
SH
110 .platform_data = &pcf857x_data[1],
111 },
112};
b8b19b0d 113
cfca8b53
PZ
114/*
115 * Board init
116 */
117static void __init mx1ads_init(void)
118{
5ae07daa
SH
119 mxc_gpio_setup_multiple_pins(mx1ads_pins,
120 ARRAY_SIZE(mx1ads_pins), "mx1ads");
121
cfca8b53 122 /* UART */
d112f4e4
UKK
123 imx1_add_imx_uart0(&uart0_pdata);
124 imx1_add_imx_uart1(&uart1_pdata);
cfca8b53
PZ
125
126 /* Physmap flash */
127 mxc_register_device(&flash_device, &mx1ads_flash_data);
b8b19b0d
SH
128
129 /* I2C */
b8b19b0d
SH
130 i2c_register_board_info(0, mx1ads_i2c_devices,
131 ARRAY_SIZE(mx1ads_i2c_devices));
132
77a406da 133 imx1_add_imx_i2c(&mx1ads_i2c_data);
cfca8b53
PZ
134}
135
136static void __init mx1ads_timer_init(void)
137{
30c730f8 138 mx1_clocks_init(32000);
cfca8b53
PZ
139}
140
141struct sys_timer mx1ads_timer = {
142 .init = mx1ads_timer_init,
143};
144
145MACHINE_START(MX1ADS, "Freescale MX1ADS")
146 /* Maintainer: Sascha Hauer, Pengutronix */
34101237 147 .boot_params = MX1_PHYS_OFFSET + 0x100,
74fe030e 148 .map_io = mx1_map_io,
c5aa0ad0 149 .init_irq = mx1_init_irq,
cfca8b53
PZ
150 .timer = &mx1ads_timer,
151 .init_machine = mx1ads_init,
152MACHINE_END
153
154MACHINE_START(MXLADS, "Freescale MXLADS")
34101237 155 .boot_params = MX1_PHYS_OFFSET + 0x100,
cd4a05f9 156 .map_io = mx1_map_io,
c5aa0ad0 157 .init_irq = mx1_init_irq,
cfca8b53
PZ
158 .timer = &mx1ads_timer,
159 .init_machine = mx1ads_init,
160MACHINE_END
This page took 0.171724 seconds and 5 git commands to generate.