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[ARM] Kirkwood: add LaCie d2 Network v2 support
[deliverable/linux.git] / arch / arm / mach-kirkwood / d2net_v2-setup.c
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84712e9a
SG		 1/*
2 * arch/arm/mach-kirkwood/d2net_v2-setup.c
3 *
4 * LaCie d2 Network Space v2 Board Setup
5 *
6 * Copyright (C) 2010 Simon Guinot <sguinot@lacie.com>
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 as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 */
22
23#include <linux/kernel.h>
24#include <linux/init.h>
25#include <linux/platform_device.h>
26#include <linux/mtd/physmap.h>
27#include <linux/spi/flash.h>
28#include <linux/spi/spi.h>
29#include <linux/ata_platform.h>
30#include <linux/mv643xx_eth.h>
31#include <linux/i2c.h>
32#include <linux/i2c/at24.h>
33#include <linux/input.h>
34#include <linux/gpio.h>
35#include <linux/gpio_keys.h>
36#include <linux/leds.h>
37#include <asm/mach-types.h>
38#include <asm/mach/arch.h>
39#include <asm/mach/time.h>
40#include <mach/kirkwood.h>
41#include <mach/leds-ns2.h>
42#include <plat/time.h>
43#include "common.h"
44#include "mpp.h"
45
46/*****************************************************************************
47 * 512KB SPI Flash on Boot Device
48 ****************************************************************************/
49
50static struct mtd_partition d2net_v2_flash_parts[] = {
51 {
52 .name = "u-boot",
53 .size = MTDPART_SIZ_FULL,
54 .offset = 0,
55 .mask_flags = MTD_WRITEABLE,
56 },
57};
58
59static const struct flash_platform_data d2net_v2_flash = {
60 .type = "mx25l4005a",
61 .name = "spi_flash",
62 .parts = d2net_v2_flash_parts,
63 .nr_parts = ARRAY_SIZE(d2net_v2_flash_parts),
64};
65
66static struct spi_board_info __initdata d2net_v2_spi_slave_info[] = {
67 {
68 .modalias = "m25p80",
69 .platform_data = &d2net_v2_flash,
70 .irq = -1,
71 .max_speed_hz = 20000000,
72 .bus_num = 0,
73 .chip_select = 0,
74 },
75};
76
77/*****************************************************************************
78 * Ethernet
79 ****************************************************************************/
80
81static struct mv643xx_eth_platform_data d2net_v2_ge00_data = {
82 .phy_addr = MV643XX_ETH_PHY_ADDR(8),
83};
84
85/*****************************************************************************
86 * I2C devices
87 ****************************************************************************/
88
89static struct at24_platform_data at24c04 = {
90 .byte_len = SZ_4K / 8,
91 .page_size = 16,
92};
93
94/*
95 * i2c addr | chip | description
96 * 0x50 | HT24LC04 | eeprom (512B)
97 */
98
99static struct i2c_board_info __initdata d2net_v2_i2c_info[] = {
100 {
101 I2C_BOARD_INFO("24c04", 0x50),
102 .platform_data = &at24c04,
103 }
104};
105
106/*****************************************************************************
107 * SATA
108 ****************************************************************************/
109
110static struct mv_sata_platform_data d2net_v2_sata_data = {
111 .n_ports = 2,
112};
113
114#define D2NET_V2_GPIO_SATA0_POWER 16
115
116static void __init d2net_v2_sata_power_init(void)
117{
118 int err;
119
120 err = gpio_request(D2NET_V2_GPIO_SATA0_POWER, "SATA0 power");
121 if (err == 0) {
122 err = gpio_direction_output(D2NET_V2_GPIO_SATA0_POWER, 1);
123 if (err)
124 gpio_free(D2NET_V2_GPIO_SATA0_POWER);
125 }
126 if (err)
127 pr_err("d2net_v2: failed to configure SATA0 power GPIO\n");
128}
129
130/*****************************************************************************
131 * GPIO keys
132 ****************************************************************************/
133
134#define D2NET_V2_GPIO_PUSH_BUTTON 34
135#define D2NET_V2_GPIO_POWER_SWITCH_ON 13
136#define D2NET_V2_GPIO_POWER_SWITCH_OFF 15
137
138#define D2NET_V2_SWITCH_POWER_ON 0x1
139#define D2NET_V2_SWITCH_POWER_OFF 0x2
140
141static struct gpio_keys_button d2net_v2_buttons[] = {
142 [0] = {
143 .type = EV_SW,
144 .code = D2NET_V2_SWITCH_POWER_ON,
145 .gpio = D2NET_V2_GPIO_POWER_SWITCH_ON,
146 .desc = "Back power switch (on|auto)",
147 .active_low = 0,
148 },
149 [1] = {
150 .type = EV_SW,
151 .code = D2NET_V2_SWITCH_POWER_OFF,
152 .gpio = D2NET_V2_GPIO_POWER_SWITCH_OFF,
153 .desc = "Back power switch (auto|off)",
154 .active_low = 0,
155 },
156 [2] = {
157 .code = KEY_POWER,
158 .gpio = D2NET_V2_GPIO_PUSH_BUTTON,
159 .desc = "Front Push Button",
160 .active_low = 1,
161 },
162};
163
164static struct gpio_keys_platform_data d2net_v2_button_data = {
165 .buttons = d2net_v2_buttons,
166 .nbuttons = ARRAY_SIZE(d2net_v2_buttons),
167};
168
169static struct platform_device d2net_v2_gpio_buttons = {
170 .name = "gpio-keys",
171 .id = -1,
172 .dev = {
173 .platform_data = &d2net_v2_button_data,
174 },
175};
176
177/*****************************************************************************
178 * GPIO LEDs
179 ****************************************************************************/
180
181#define D2NET_V2_GPIO_RED_LED 12
182
183static struct gpio_led d2net_v2_gpio_led_pins[] = {
184 {
185 .name = "d2net_v2:red:fail",
186 .gpio = D2NET_V2_GPIO_RED_LED,
187 },
188};
189
190static struct gpio_led_platform_data d2net_v2_gpio_leds_data = {
191 .num_leds = ARRAY_SIZE(d2net_v2_gpio_led_pins),
192 .leds = d2net_v2_gpio_led_pins,
193};
194
195static struct platform_device d2net_v2_gpio_leds = {
196 .name = "leds-gpio",
197 .id = -1,
198 .dev = {
199 .platform_data = &d2net_v2_gpio_leds_data,
200 },
201};
202
203/*****************************************************************************
204 * Dual-GPIO CPLD LEDs
205 ****************************************************************************/
206
207#define D2NET_V2_GPIO_BLUE_LED_SLOW 29
208#define D2NET_V2_GPIO_BLUE_LED_CMD 30
209
210static struct ns2_led d2net_v2_led_pins[] = {
211 {
212 .name = "d2net_v2:blue:sata",
213 .cmd = D2NET_V2_GPIO_BLUE_LED_CMD,
214 .slow = D2NET_V2_GPIO_BLUE_LED_SLOW,
215 },
216};
217
218static struct ns2_led_platform_data d2net_v2_leds_data = {
219 .num_leds = ARRAY_SIZE(d2net_v2_led_pins),
220 .leds = d2net_v2_led_pins,
221};
222
223static struct platform_device d2net_v2_leds = {
224 .name = "leds-ns2",
225 .id = -1,
226 .dev = {
227 .platform_data = &d2net_v2_leds_data,
228 },
229};
230
231/*****************************************************************************
232 * Timer
233 ****************************************************************************/
234
235static void d2net_v2_timer_init(void)
236{
237 kirkwood_tclk = 166666667;
238 orion_time_init(IRQ_KIRKWOOD_BRIDGE, kirkwood_tclk);
239}
240
241struct sys_timer d2net_v2_timer = {
242 .init = d2net_v2_timer_init,
243};
244
245/*****************************************************************************
246 * General Setup
247 ****************************************************************************/
248
249static unsigned int d2net_v2_mpp_config[] __initdata = {
250 MPP0_SPI_SCn,
251 MPP1_SPI_MOSI,
252 MPP2_SPI_SCK,
253 MPP3_SPI_MISO,
254 MPP6_SYSRST_OUTn,
255 MPP7_GPO, /* Request power-off */
256 MPP8_TW0_SDA,
257 MPP9_TW0_SCK,
258 MPP10_UART0_TXD,
259 MPP11_UART0_RXD,
260 MPP12_GPO, /* Red led */
261 MPP13_GPIO, /* Rear power switch (on|auto) */
262 MPP14_GPIO, /* USB fuse */
263 MPP15_GPIO, /* Rear power switch (auto|off) */
264 MPP16_GPIO, /* SATA 0 power */
265 MPP21_SATA0_ACTn,
266 MPP24_GPIO, /* USB mode select */
267 MPP26_GPIO, /* USB device vbus */
268 MPP28_GPIO, /* USB enable host vbus */
269 MPP29_GPIO, /* Blue led (slow register) */
270 MPP30_GPIO, /* Blue led (command register) */
271 MPP34_GPIO, /* Power button (1 = Released, 0 = Pushed) */
272 MPP35_GPIO, /* Inhibit power-off */
273 0
274};
275
276#define D2NET_V2_GPIO_POWER_OFF 7
277
278static void d2net_v2_power_off(void)
279{
280 gpio_set_value(D2NET_V2_GPIO_POWER_OFF, 1);
281}
282
283static void __init d2net_v2_init(void)
284{
285 /*
286 * Basic setup. Needs to be called early.
287 */
288 kirkwood_init();
289 kirkwood_mpp_conf(d2net_v2_mpp_config);
290
291 d2net_v2_sata_power_init();
292
293 kirkwood_ehci_init();
294 kirkwood_ge00_init(&d2net_v2_ge00_data);
295 kirkwood_sata_init(&d2net_v2_sata_data);
296 kirkwood_uart0_init();
297 spi_register_board_info(d2net_v2_spi_slave_info,
298 ARRAY_SIZE(d2net_v2_spi_slave_info));
299 kirkwood_spi_init();
300 kirkwood_i2c_init();
301 i2c_register_board_info(0, d2net_v2_i2c_info,
302 ARRAY_SIZE(d2net_v2_i2c_info));
303
304 platform_device_register(&d2net_v2_leds);
305 platform_device_register(&d2net_v2_gpio_leds);
306 platform_device_register(&d2net_v2_gpio_buttons);
307
308 if (gpio_request(D2NET_V2_GPIO_POWER_OFF, "power-off") == 0 &&
309 gpio_direction_output(D2NET_V2_GPIO_POWER_OFF, 0) == 0)
310 pm_power_off = d2net_v2_power_off;
311 else
312 pr_err("d2net_v2: failed to configure power-off GPIO\n");
313}
314
315MACHINE_START(D2NET_V2, "LaCie d2 Network v2")
316 .phys_io = KIRKWOOD_REGS_PHYS_BASE,
317 .io_pg_offst = ((KIRKWOOD_REGS_VIRT_BASE) >> 18) & 0xfffc,
318 .boot_params = 0x00000100,
319 .init_machine = d2net_v2_init,
320 .map_io = kirkwood_map_io,
321 .init_irq = kirkwood_init_irq,
322 .timer = &d2net_v2_timer,
323MACHINE_END
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