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authorLars-Peter Clausen <lars@metafoo.de>2010-07-17 07:16:29 -0400
committerRalf Baechle <ralf@linux-mips.org>2010-08-05 08:26:20 -0400
commite6b78c4f224925c71cce57033b1e6e30dd56add7 (patch)
treee4c4059212c7d23e9d3e5629db7367d9ed0c4a23 /arch/mips/jz4740
parentf6a21388bd255773cc80d4423afb4c69d4daa173 (diff)
MIPS: JZ4740: Add qi_lb60 board support
Add support for the qi_lb60 (a.k.a QI Ben NanoNote) clamshell device. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/1472/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/jz4740')
-rw-r--r--arch/mips/jz4740/Kconfig4
-rw-r--r--arch/mips/jz4740/Makefile2
-rw-r--r--arch/mips/jz4740/board-qi_lb60.c471
3 files changed, 477 insertions, 0 deletions
diff --git a/arch/mips/jz4740/Kconfig b/arch/mips/jz4740/Kconfig
index 8a5e8505eb12..3e7141f0746c 100644
--- a/arch/mips/jz4740/Kconfig
+++ b/arch/mips/jz4740/Kconfig
@@ -1,6 +1,10 @@
1choice 1choice
2 prompt "Machine type" 2 prompt "Machine type"
3 depends on MACH_JZ4740 3 depends on MACH_JZ4740
4 default JZ4740_QI_LB60
5
6config JZ4740_QI_LB60
7 bool "Qi Hardware Ben NanoNote"
4 8
5endchoice 9endchoice
6 10
diff --git a/arch/mips/jz4740/Makefile b/arch/mips/jz4740/Makefile
index a803ccb0cf6d..a604eaeb6c08 100644
--- a/arch/mips/jz4740/Makefile
+++ b/arch/mips/jz4740/Makefile
@@ -11,6 +11,8 @@ obj-$(CONFIG_DEBUG_FS) += clock-debugfs.o
11 11
12# board specific support 12# board specific support
13 13
14obj-$(CONFIG_JZ4740_QI_LB60) += board-qi_lb60.o
15
14# PM support 16# PM support
15 17
16obj-$(CONFIG_PM) += pm.o 18obj-$(CONFIG_PM) += pm.o
diff --git a/arch/mips/jz4740/board-qi_lb60.c b/arch/mips/jz4740/board-qi_lb60.c
new file mode 100644
index 000000000000..5742bb4d78f4
--- /dev/null
+++ b/arch/mips/jz4740/board-qi_lb60.c
@@ -0,0 +1,471 @@
1/*
2 * linux/arch/mips/jz4740/board-qi_lb60.c
3 *
4 * QI_LB60 board support
5 *
6 * Copyright (c) 2009 Qi Hardware inc.,
7 * Author: Xiangfu Liu <xiangfu@qi-hardware.com>
8 * Copyright 2010, Lars-Petrer Clausen <lars@metafoo.de>
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 or later
12 * as published by the Free Software Foundation.
13 */
14
15#include <linux/kernel.h>
16#include <linux/init.h>
17#include <linux/gpio.h>
18
19#include <linux/input.h>
20#include <linux/gpio_keys.h>
21#include <linux/input/matrix_keypad.h>
22#include <linux/spi/spi.h>
23#include <linux/spi/spi_gpio.h>
24#include <linux/power_supply.h>
25#include <linux/power/jz4740-battery.h>
26
27#include <asm/mach-jz4740/jz4740_fb.h>
28#include <asm/mach-jz4740/jz4740_mmc.h>
29#include <asm/mach-jz4740/jz4740_nand.h>
30
31#include <linux/regulator/fixed.h>
32#include <linux/regulator/machine.h>
33
34#include <linux/leds_pwm.h>
35
36#include <asm/mach-jz4740/platform.h>
37
38#include "clock.h"
39
40static bool is_avt2;
41
42/* GPIOs */
43#define QI_LB60_GPIO_SD_CD JZ_GPIO_PORTD(0)
44#define QI_LB60_GPIO_SD_VCC_EN_N JZ_GPIO_PORTD(2)
45
46#define QI_LB60_GPIO_KEYOUT(x) (JZ_GPIO_PORTC(10) + (x))
47#define QI_LB60_GPIO_KEYIN(x) (JZ_GPIO_PORTD(18) + (x))
48#define QI_LB60_GPIO_KEYIN8 JZ_GPIO_PORTD(26)
49
50/* NAND */
51static struct nand_ecclayout qi_lb60_ecclayout_1gb = {
52/* .eccbytes = 36,
53 .eccpos = {
54 6, 7, 8, 9, 10, 11, 12, 13,
55 14, 15, 16, 17, 18, 19, 20, 21,
56 22, 23, 24, 25, 26, 27, 28, 29,
57 30, 31, 32, 33, 34, 35, 36, 37,
58 38, 39, 40, 41
59 },*/
60 .oobfree = {
61 { .offset = 2, .length = 4 },
62 { .offset = 42, .length = 22 }
63 },
64};
65
66/* Early prototypes of the QI LB60 had only 1GB of NAND.
67 * In order to support these devices aswell the partition and ecc layout is
68 * initalized depending on the NAND size */
69static struct mtd_partition qi_lb60_partitions_1gb[] = {
70 {
71 .name = "NAND BOOT partition",
72 .offset = 0 * 0x100000,
73 .size = 4 * 0x100000,
74 },
75 {
76 .name = "NAND KERNEL partition",
77 .offset = 4 * 0x100000,
78 .size = 4 * 0x100000,
79 },
80 {
81 .name = "NAND ROOTFS partition",
82 .offset = 8 * 0x100000,
83 .size = (504 + 512) * 0x100000,
84 },
85};
86
87static struct nand_ecclayout qi_lb60_ecclayout_2gb = {
88/* .eccbytes = 72,
89 .eccpos = {
90 12, 13, 14, 15, 16, 17, 18, 19,
91 20, 21, 22, 23, 24, 25, 26, 27,
92 28, 29, 30, 31, 32, 33, 34, 35,
93 36, 37, 38, 39, 40, 41, 42, 43,
94 44, 45, 46, 47, 48, 49, 50, 51,
95 52, 53, 54, 55, 56, 57, 58, 59,
96 60, 61, 62, 63, 64, 65, 66, 67,
97 68, 69, 70, 71, 72, 73, 74, 75,
98 76, 77, 78, 79, 80, 81, 82, 83
99 },*/
100 .oobfree = {
101 { .offset = 2, .length = 10 },
102 { .offset = 84, .length = 44 },
103 },
104};
105
106static struct mtd_partition qi_lb60_partitions_2gb[] = {
107 {
108 .name = "NAND BOOT partition",
109 .offset = 0 * 0x100000,
110 .size = 4 * 0x100000,
111 },
112 {
113 .name = "NAND KERNEL partition",
114 .offset = 4 * 0x100000,
115 .size = 4 * 0x100000,
116 },
117 {
118 .name = "NAND ROOTFS partition",
119 .offset = 8 * 0x100000,
120 .size = (504 + 512 + 1024) * 0x100000,
121 },
122};
123
124static void qi_lb60_nand_ident(struct platform_device *pdev,
125 struct nand_chip *chip, struct mtd_partition **partitions,
126 int *num_partitions)
127{
128 if (chip->page_shift == 12) {
129 chip->ecc.layout = &qi_lb60_ecclayout_2gb;
130 *partitions = qi_lb60_partitions_2gb;
131 *num_partitions = ARRAY_SIZE(qi_lb60_partitions_2gb);
132 } else {
133 chip->ecc.layout = &qi_lb60_ecclayout_1gb;
134 *partitions = qi_lb60_partitions_1gb;
135 *num_partitions = ARRAY_SIZE(qi_lb60_partitions_1gb);
136 }
137}
138
139static struct jz_nand_platform_data qi_lb60_nand_pdata = {
140 .ident_callback = qi_lb60_nand_ident,
141 .busy_gpio = 94,
142};
143
144/* Keyboard*/
145
146#define KEY_QI_QI KEY_F13
147#define KEY_QI_UPRED KEY_RIGHTALT
148#define KEY_QI_VOLUP KEY_VOLUMEUP
149#define KEY_QI_VOLDOWN KEY_VOLUMEDOWN
150#define KEY_QI_FN KEY_LEFTCTRL
151
152static const uint32_t qi_lb60_keymap[] = {
153 KEY(0, 0, KEY_F1), /* S2 */
154 KEY(0, 1, KEY_F2), /* S3 */
155 KEY(0, 2, KEY_F3), /* S4 */
156 KEY(0, 3, KEY_F4), /* S5 */
157 KEY(0, 4, KEY_F5), /* S6 */
158 KEY(0, 5, KEY_F6), /* S7 */
159 KEY(0, 6, KEY_F7), /* S8 */
160
161 KEY(1, 0, KEY_Q), /* S10 */
162 KEY(1, 1, KEY_W), /* S11 */
163 KEY(1, 2, KEY_E), /* S12 */
164 KEY(1, 3, KEY_R), /* S13 */
165 KEY(1, 4, KEY_T), /* S14 */
166 KEY(1, 5, KEY_Y), /* S15 */
167 KEY(1, 6, KEY_U), /* S16 */
168 KEY(1, 7, KEY_I), /* S17 */
169 KEY(2, 0, KEY_A), /* S18 */
170 KEY(2, 1, KEY_S), /* S19 */
171 KEY(2, 2, KEY_D), /* S20 */
172 KEY(2, 3, KEY_F), /* S21 */
173 KEY(2, 4, KEY_G), /* S22 */
174 KEY(2, 5, KEY_H), /* S23 */
175 KEY(2, 6, KEY_J), /* S24 */
176 KEY(2, 7, KEY_K), /* S25 */
177 KEY(3, 0, KEY_ESC), /* S26 */
178 KEY(3, 1, KEY_Z), /* S27 */
179 KEY(3, 2, KEY_X), /* S28 */
180 KEY(3, 3, KEY_C), /* S29 */
181 KEY(3, 4, KEY_V), /* S30 */
182 KEY(3, 5, KEY_B), /* S31 */
183 KEY(3, 6, KEY_N), /* S32 */
184 KEY(3, 7, KEY_M), /* S33 */
185 KEY(4, 0, KEY_TAB), /* S34 */
186 KEY(4, 1, KEY_CAPSLOCK), /* S35 */
187 KEY(4, 2, KEY_BACKSLASH), /* S36 */
188 KEY(4, 3, KEY_APOSTROPHE), /* S37 */
189 KEY(4, 4, KEY_COMMA), /* S38 */
190 KEY(4, 5, KEY_DOT), /* S39 */
191 KEY(4, 6, KEY_SLASH), /* S40 */
192 KEY(4, 7, KEY_UP), /* S41 */
193 KEY(5, 0, KEY_O), /* S42 */
194 KEY(5, 1, KEY_L), /* S43 */
195 KEY(5, 2, KEY_EQUAL), /* S44 */
196 KEY(5, 3, KEY_QI_UPRED), /* S45 */
197 KEY(5, 4, KEY_SPACE), /* S46 */
198 KEY(5, 5, KEY_QI_QI), /* S47 */
199 KEY(5, 6, KEY_RIGHTCTRL), /* S48 */
200 KEY(5, 7, KEY_LEFT), /* S49 */
201 KEY(6, 0, KEY_F8), /* S50 */
202 KEY(6, 1, KEY_P), /* S51 */
203 KEY(6, 2, KEY_BACKSPACE),/* S52 */
204 KEY(6, 3, KEY_ENTER), /* S53 */
205 KEY(6, 4, KEY_QI_VOLUP), /* S54 */
206 KEY(6, 5, KEY_QI_VOLDOWN), /* S55 */
207 KEY(6, 6, KEY_DOWN), /* S56 */
208 KEY(6, 7, KEY_RIGHT), /* S57 */
209
210 KEY(7, 0, KEY_LEFTSHIFT), /* S58 */
211 KEY(7, 1, KEY_LEFTALT), /* S59 */
212 KEY(7, 2, KEY_QI_FN), /* S60 */
213};
214
215static const struct matrix_keymap_data qi_lb60_keymap_data = {
216 .keymap = qi_lb60_keymap,
217 .keymap_size = ARRAY_SIZE(qi_lb60_keymap),
218};
219
220static const unsigned int qi_lb60_keypad_cols[] = {
221 QI_LB60_GPIO_KEYOUT(0),
222 QI_LB60_GPIO_KEYOUT(1),
223 QI_LB60_GPIO_KEYOUT(2),
224 QI_LB60_GPIO_KEYOUT(3),
225 QI_LB60_GPIO_KEYOUT(4),
226 QI_LB60_GPIO_KEYOUT(5),
227 QI_LB60_GPIO_KEYOUT(6),
228 QI_LB60_GPIO_KEYOUT(7),
229};
230
231static const unsigned int qi_lb60_keypad_rows[] = {
232 QI_LB60_GPIO_KEYIN(0),
233 QI_LB60_GPIO_KEYIN(1),
234 QI_LB60_GPIO_KEYIN(2),
235 QI_LB60_GPIO_KEYIN(3),
236 QI_LB60_GPIO_KEYIN(4),
237 QI_LB60_GPIO_KEYIN(5),
238 QI_LB60_GPIO_KEYIN(7),
239 QI_LB60_GPIO_KEYIN8,
240};
241
242static struct matrix_keypad_platform_data qi_lb60_pdata = {
243 .keymap_data = &qi_lb60_keymap_data,
244 .col_gpios = qi_lb60_keypad_cols,
245 .row_gpios = qi_lb60_keypad_rows,
246 .num_col_gpios = ARRAY_SIZE(qi_lb60_keypad_cols),
247 .num_row_gpios = ARRAY_SIZE(qi_lb60_keypad_rows),
248 .col_scan_delay_us = 10,
249 .debounce_ms = 10,
250 .wakeup = 1,
251 .active_low = 1,
252};
253
254static struct platform_device qi_lb60_keypad = {
255 .name = "matrix-keypad",
256 .id = -1,
257 .dev = {
258 .platform_data = &qi_lb60_pdata,
259 },
260};
261
262/* Display */
263static struct fb_videomode qi_lb60_video_modes[] = {
264 {
265 .name = "320x240",
266 .xres = 320,
267 .yres = 240,
268 .refresh = 30,
269 .left_margin = 140,
270 .right_margin = 273,
271 .upper_margin = 20,
272 .lower_margin = 2,
273 .hsync_len = 1,
274 .vsync_len = 1,
275 .sync = 0,
276 .vmode = FB_VMODE_NONINTERLACED,
277 },
278};
279
280static struct jz4740_fb_platform_data qi_lb60_fb_pdata = {
281 .width = 60,
282 .height = 45,
283 .num_modes = ARRAY_SIZE(qi_lb60_video_modes),
284 .modes = qi_lb60_video_modes,
285 .bpp = 24,
286 .lcd_type = JZ_LCD_TYPE_8BIT_SERIAL,
287 .pixclk_falling_edge = 1,
288};
289
290struct spi_gpio_platform_data spigpio_platform_data = {
291 .sck = JZ_GPIO_PORTC(23),
292 .mosi = JZ_GPIO_PORTC(22),
293 .miso = -1,
294 .num_chipselect = 1,
295};
296
297static struct platform_device spigpio_device = {
298 .name = "spi_gpio",
299 .id = 1,
300 .dev = {
301 .platform_data = &spigpio_platform_data,
302 },
303};
304
305static struct spi_board_info qi_lb60_spi_board_info[] = {
306 {
307 .modalias = "ili8960",
308 .controller_data = (void *)JZ_GPIO_PORTC(21),
309 .chip_select = 0,
310 .bus_num = 1,
311 .max_speed_hz = 30 * 1000,
312 .mode = SPI_3WIRE,
313 },
314};
315
316/* Battery */
317static struct jz_battery_platform_data qi_lb60_battery_pdata = {
318 .gpio_charge = JZ_GPIO_PORTC(27),
319 .gpio_charge_active_low = 1,
320 .info = {
321 .name = "battery",
322 .technology = POWER_SUPPLY_TECHNOLOGY_LIPO,
323 .voltage_max_design = 4200000,
324 .voltage_min_design = 3600000,
325 },
326};
327
328/* GPIO Key: power */
329static struct gpio_keys_button qi_lb60_gpio_keys_buttons[] = {
330 [0] = {
331 .code = KEY_POWER,
332 .gpio = JZ_GPIO_PORTD(29),
333 .active_low = 1,
334 .desc = "Power",
335 .wakeup = 1,
336 },
337};
338
339static struct gpio_keys_platform_data qi_lb60_gpio_keys_data = {
340 .nbuttons = ARRAY_SIZE(qi_lb60_gpio_keys_buttons),
341 .buttons = qi_lb60_gpio_keys_buttons,
342};
343
344static struct platform_device qi_lb60_gpio_keys = {
345 .name = "gpio-keys",
346 .id = -1,
347 .dev = {
348 .platform_data = &qi_lb60_gpio_keys_data,
349 }
350};
351
352static struct jz4740_mmc_platform_data qi_lb60_mmc_pdata = {
353 .gpio_card_detect = QI_LB60_GPIO_SD_CD,
354 .gpio_read_only = -1,
355 .gpio_power = QI_LB60_GPIO_SD_VCC_EN_N,
356 .power_active_low = 1,
357};
358
359/* OHCI */
360static struct regulator_consumer_supply avt2_usb_regulator_consumer =
361 REGULATOR_SUPPLY("vbus", "jz4740-ohci");
362
363static struct regulator_init_data avt2_usb_regulator_init_data = {
364 .num_consumer_supplies = 1,
365 .consumer_supplies = &avt2_usb_regulator_consumer,
366 .constraints = {
367 .name = "USB power",
368 .min_uV = 5000000,
369 .max_uV = 5000000,
370 .valid_modes_mask = REGULATOR_MODE_NORMAL,
371 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
372 },
373};
374
375static struct fixed_voltage_config avt2_usb_regulator_data = {
376 .supply_name = "USB power",
377 .microvolts = 5000000,
378 .gpio = JZ_GPIO_PORTB(17),
379 .init_data = &avt2_usb_regulator_init_data,
380};
381
382static struct platform_device avt2_usb_regulator_device = {
383 .name = "reg-fixed-voltage",
384 .id = -1,
385 .dev = {
386 .platform_data = &avt2_usb_regulator_data,
387 }
388};
389
390/* beeper */
391static struct platform_device qi_lb60_pwm_beeper = {
392 .name = "pwm-beeper",
393 .id = -1,
394 .dev = {
395 .platform_data = (void *)4,
396 },
397};
398
399static struct platform_device *jz_platform_devices[] __initdata = {
400 &jz4740_udc_device,
401 &jz4740_mmc_device,
402 &jz4740_nand_device,
403 &qi_lb60_keypad,
404 &spigpio_device,
405 &jz4740_framebuffer_device,
406 &jz4740_pcm_device,
407 &jz4740_i2s_device,
408 &jz4740_codec_device,
409 &jz4740_rtc_device,
410 &jz4740_adc_device,
411 &qi_lb60_gpio_keys,
412 &qi_lb60_pwm_beeper,
413};
414
415static void __init board_gpio_setup(void)
416{
417 /* We only need to enable/disable pullup here for pins used in generic
418 * drivers. Everything else is done by the drivers themselfs. */
419 jz_gpio_disable_pullup(QI_LB60_GPIO_SD_VCC_EN_N);
420 jz_gpio_disable_pullup(QI_LB60_GPIO_SD_CD);
421}
422
423static int __init qi_lb60_init_platform_devices(void)
424{
425 jz4740_framebuffer_device.dev.platform_data = &qi_lb60_fb_pdata;
426 jz4740_nand_device.dev.platform_data = &qi_lb60_nand_pdata;
427 jz4740_adc_device.dev.platform_data = &qi_lb60_battery_pdata;
428 jz4740_mmc_device.dev.platform_data = &qi_lb60_mmc_pdata;
429
430 jz4740_serial_device_register();
431
432 spi_register_board_info(qi_lb60_spi_board_info,
433 ARRAY_SIZE(qi_lb60_spi_board_info));
434
435 if (is_avt2) {
436 platform_device_register(&avt2_usb_regulator_device);
437 platform_device_register(&jz4740_usb_ohci_device);
438 }
439
440 return platform_add_devices(jz_platform_devices,
441 ARRAY_SIZE(jz_platform_devices));
442
443}
444
445struct jz4740_clock_board_data jz4740_clock_bdata = {
446 .ext_rate = 12000000,
447 .rtc_rate = 32768,
448};
449
450static __init int board_avt2(char *str)
451{
452 qi_lb60_mmc_pdata.card_detect_active_low = 1;
453 is_avt2 = true;
454
455 return 1;
456}
457__setup("avt2", board_avt2);
458
459static int __init qi_lb60_board_setup(void)
460{
461 printk(KERN_INFO "Qi Hardware JZ4740 QI %s setup\n",
462 is_avt2 ? "AVT2" : "LB60");
463
464 board_gpio_setup();
465
466 if (qi_lb60_init_platform_devices())
467 panic("Failed to initalize platform devices\n");
468
469 return 0;
470}
471arch_initcall(qi_lb60_board_setup);
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