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ARM: gpio: convert includes of mach/gpio.h and asm/gpio.h to linux/gpio.h
[mirror_ubuntu-bionic-kernel.git] / arch / arm / mach-at91 / board-sam9260ek.c
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b85a8914 1/*
d0760b3b 2 * linux/arch/arm/mach-at91/board-sam9260ek.c
b85a8914
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3 *
4 * Copyright (C) 2005 SAN People
5 * Copyright (C) 2006 Atmel
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 */
21
22#include <linux/types.h>
2f8163ba 23#include <linux/gpio.h>
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24#include <linux/init.h>
25#include <linux/mm.h>
26#include <linux/module.h>
27#include <linux/platform_device.h>
28#include <linux/spi/spi.h>
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29#include <linux/spi/at73c213.h>
30#include <linux/clk.h>
a745a622 31#include <linux/i2c/at24.h>
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32#include <linux/gpio_keys.h>
33#include <linux/input.h>
b85a8914 34
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35#include <asm/setup.h>
36#include <asm/mach-types.h>
37#include <asm/irq.h>
38
39#include <asm/mach/arch.h>
40#include <asm/mach/map.h>
41#include <asm/mach/irq.h>
42
e505240b 43#include <mach/hardware.h>
a09e64fb 44#include <mach/board.h>
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45#include <mach/at91sam9_smc.h>
46#include <mach/at91_shdwc.h>
76b2ab76 47#include <mach/system_rev.h>
b85a8914 48
8cdae51a 49#include "sam9_smc.h"
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50#include "generic.h"
51
52
1b021a3b 53static void __init ek_init_early(void)
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54{
55 /* Initialize processor: 18.432 MHz crystal */
21d08b9d 56 at91_initialize(18432000);
b85a8914 57
4f37940d 58 /* DBGU on ttyS0. (Rx & Tx only) */
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59 at91_register_uart(0, 0, 0);
60
61 /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
62 at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
63 | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
64 | ATMEL_UART_RI);
65
66 /* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */
67 at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS);
68
69 /* set serial console to ttyS0 (ie, DBGU) */
70 at91_set_serial_console(0);
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71}
72
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73/*
74 * USB Host port
75 */
76static struct at91_usbh_data __initdata ek_usbh_data = {
77 .ports = 2,
78};
79
80/*
81 * USB Device port
82 */
83static struct at91_udc_data __initdata ek_udc_data = {
84 .vbus_pin = AT91_PIN_PC5,
85 .pullup_pin = 0, /* pull-up driven by UDC */
86};
87
88
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89/*
90 * Audio
91 */
92static struct at73c213_board_info at73c213_data = {
93 .ssc_id = 0,
94 .shortname = "AT91SAM9260-EK external DAC",
95};
96
97#if defined(CONFIG_SND_AT73C213) || defined(CONFIG_SND_AT73C213_MODULE)
98static void __init at73c213_set_clk(struct at73c213_board_info *info)
99{
100 struct clk *pck0;
101 struct clk *plla;
102
103 pck0 = clk_get(NULL, "pck0");
104 plla = clk_get(NULL, "plla");
105
106 /* AT73C213 MCK Clock */
107 at91_set_B_periph(AT91_PIN_PC1, 0); /* PCK0 */
108
109 clk_set_parent(pck0, plla);
110 clk_put(plla);
111
112 info->dac_clk = pck0;
113}
114#else
115static void __init at73c213_set_clk(struct at73c213_board_info *info) {}
116#endif
117
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118/*
119 * SPI devices.
120 */
121static struct spi_board_info ek_spi_devices[] = {
122#if !defined(CONFIG_MMC_AT91)
123 { /* DataFlash chip */
124 .modalias = "mtd_dataflash",
125 .chip_select = 1,
126 .max_speed_hz = 15 * 1000 * 1000,
127 .bus_num = 0,
128 },
129#if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
130 { /* DataFlash card */
131 .modalias = "mtd_dataflash",
132 .chip_select = 0,
133 .max_speed_hz = 15 * 1000 * 1000,
134 .bus_num = 0,
135 },
136#endif
137#endif
93afa752 138#if defined(CONFIG_SND_AT73C213) || defined(CONFIG_SND_AT73C213_MODULE)
b85a8914 139 { /* AT73C213 DAC */
93afa752 140 .modalias = "at73c213",
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141 .chip_select = 0,
142 .max_speed_hz = 10 * 1000 * 1000,
143 .bus_num = 1,
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144 .mode = SPI_MODE_1,
145 .platform_data = &at73c213_data,
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146 },
147#endif
148};
149
150
151/*
152 * MACB Ethernet device
153 */
3e18c8dd 154static struct at91_eth_data __initdata ek_macb_data = {
44853a81 155 .phy_irq_pin = AT91_PIN_PA7,
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156 .is_rmii = 1,
157};
158
159
160/*
161 * NAND flash
162 */
163static struct mtd_partition __initdata ek_nand_partition[] = {
164 {
165 .name = "Partition 1",
166 .offset = 0,
e505240b 167 .size = SZ_256K,
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168 },
169 {
170 .name = "Partition 2",
e505240b 171 .offset = MTDPART_OFS_NXTBLK,
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172 .size = MTDPART_SIZ_FULL,
173 },
174};
175
3e18c8dd 176static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
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177{
178 *num_partitions = ARRAY_SIZE(ek_nand_partition);
179 return ek_nand_partition;
180}
181
3c3796cc 182static struct atmel_nand_data __initdata ek_nand_data = {
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183 .ale = 21,
184 .cle = 22,
185// .det_pin = ... not connected
186 .rdy_pin = AT91_PIN_PC13,
187 .enable_pin = AT91_PIN_PC14,
188 .partition_info = nand_partitions,
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189};
190
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191static struct sam9_smc_config __initdata ek_nand_smc_config = {
192 .ncs_read_setup = 0,
193 .nrd_setup = 1,
194 .ncs_write_setup = 0,
195 .nwe_setup = 1,
196
197 .ncs_read_pulse = 3,
198 .nrd_pulse = 3,
199 .ncs_write_pulse = 3,
200 .nwe_pulse = 3,
201
202 .read_cycle = 5,
203 .write_cycle = 5,
204
205 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE,
206 .tdf_cycles = 2,
207};
208
209static void __init ek_add_device_nand(void)
210{
64393b3a 211 ek_nand_data.bus_width_16 = board_have_nand_16bit();
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212 /* setup bus-width (8 or 16) */
213 if (ek_nand_data.bus_width_16)
214 ek_nand_smc_config.mode |= AT91_SMC_DBW_16;
215 else
216 ek_nand_smc_config.mode |= AT91_SMC_DBW_8;
217
218 /* configure chip-select 3 (NAND) */
219 sam9_smc_configure(3, &ek_nand_smc_config);
220
221 at91_add_device_nand(&ek_nand_data);
222}
223
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224
225/*
226 * MCI (SD/MMC)
227 */
228static struct at91_mmc_data __initdata ek_mmc_data = {
229 .slot_b = 1,
230 .wire4 = 1,
231// .det_pin = ... not connected
232// .wp_pin = ... not connected
233// .vcc_pin = ... not connected
234};
235
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236
237/*
238 * LEDs
239 */
240static struct gpio_led ek_leds[] = {
241 { /* "bottom" led, green, userled1 to be defined */
242 .name = "ds5",
243 .gpio = AT91_PIN_PA6,
244 .active_low = 1,
245 .default_trigger = "none",
246 },
247 { /* "power" led, yellow */
248 .name = "ds1",
249 .gpio = AT91_PIN_PA9,
250 .default_trigger = "heartbeat",
251 }
252};
253
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254/*
255 * I2C devices
256 */
257static struct at24_platform_data at24c512 = {
258 .byte_len = SZ_512K / 8,
259 .page_size = 128,
260 .flags = AT24_FLAG_ADDR16,
261};
262
263static struct i2c_board_info __initdata ek_i2c_devices[] = {
264 {
265 I2C_BOARD_INFO("24c512", 0x50),
266 .platform_data = &at24c512,
267 },
268 /* more devices can be added using expansion connectors */
269};
270
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271
272/*
273 * GPIO Buttons
274 */
275#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
276static struct gpio_keys_button ek_buttons[] = {
277 {
278 .gpio = AT91_PIN_PA30,
279 .code = BTN_3,
280 .desc = "Button 3",
281 .active_low = 1,
282 .wakeup = 1,
283 },
284 {
285 .gpio = AT91_PIN_PA31,
286 .code = BTN_4,
287 .desc = "Button 4",
288 .active_low = 1,
289 .wakeup = 1,
290 }
291};
292
293static struct gpio_keys_platform_data ek_button_data = {
294 .buttons = ek_buttons,
295 .nbuttons = ARRAY_SIZE(ek_buttons),
296};
297
298static struct platform_device ek_button_device = {
299 .name = "gpio-keys",
300 .id = -1,
301 .num_resources = 0,
302 .dev = {
303 .platform_data = &ek_button_data,
304 }
305};
306
307static void __init ek_add_device_buttons(void)
308{
309 at91_set_gpio_input(AT91_PIN_PA30, 1); /* btn3 */
310 at91_set_deglitch(AT91_PIN_PA30, 1);
311 at91_set_gpio_input(AT91_PIN_PA31, 1); /* btn4 */
312 at91_set_deglitch(AT91_PIN_PA31, 1);
313
314 platform_device_register(&ek_button_device);
315}
316#else
317static void __init ek_add_device_buttons(void) {}
318#endif
319
320
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321static void __init ek_board_init(void)
322{
323 /* Serial */
324 at91_add_device_serial();
325 /* USB Host */
326 at91_add_device_usbh(&ek_usbh_data);
327 /* USB Device */
328 at91_add_device_udc(&ek_udc_data);
329 /* SPI */
330 at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
331 /* NAND */
8cdae51a 332 ek_add_device_nand();
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333 /* Ethernet */
334 at91_add_device_eth(&ek_macb_data);
335 /* MMC */
d0760b3b 336 at91_add_device_mmc(0, &ek_mmc_data);
93afa752 337 /* I2C */
a745a622 338 at91_add_device_i2c(ek_i2c_devices, ARRAY_SIZE(ek_i2c_devices));
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339 /* SSC (to AT73C213) */
340 at73c213_set_clk(&at73c213_data);
341 at91_add_device_ssc(AT91SAM9260_ID_SSC, ATMEL_SSC_TX);
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342 /* LEDs */
343 at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
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344 /* Push Buttons */
345 ek_add_device_buttons();
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346}
347
348MACHINE_START(AT91SAM9260EK, "Atmel AT91SAM9260-EK")
349 /* Maintainer: Atmel */
b85a8914 350 .timer = &at91sam926x_timer,
21d08b9d 351 .map_io = at91_map_io,
1b021a3b 352 .init_early = ek_init_early,
92100c12 353 .init_irq = at91_init_irq_default,
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354 .init_machine = ek_board_init,
355MACHINE_END