diff options
Diffstat (limited to 'arch/arm/mach-s3c2442')
-rw-r--r-- | arch/arm/mach-s3c2442/Kconfig | 12 | ||||
-rw-r--r-- | arch/arm/mach-s3c2442/Makefile | 2 | ||||
-rw-r--r-- | arch/arm/mach-s3c2442/include/mach/gta02.h | 84 | ||||
-rw-r--r-- | arch/arm/mach-s3c2442/mach-gta02.c | 646 |
4 files changed, 744 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c2442/Kconfig b/arch/arm/mach-s3c2442/Kconfig index b289d198020e..103e913f2258 100644 --- a/arch/arm/mach-s3c2442/Kconfig +++ b/arch/arm/mach-s3c2442/Kconfig | |||
@@ -24,6 +24,18 @@ config SMDK2440_CPU2442 | |||
24 | depends on ARCH_S3C2440 | 24 | depends on ARCH_S3C2440 |
25 | select CPU_S3C2442 | 25 | select CPU_S3C2442 |
26 | 26 | ||
27 | config MACH_NEO1973_GTA02 | ||
28 | bool "Openmoko GTA02 / Freerunner phone" | ||
29 | select CPU_S3C2442 | ||
30 | select MFD_PCF50633 | ||
31 | select PCF50633_GPIO | ||
32 | select I2C | ||
33 | select POWER_SUPPLY | ||
34 | select MACH_NEO1973 | ||
35 | select S3C2410_PWM | ||
36 | help | ||
37 | Say Y here if you are using the Openmoko GTA02 / Freerunner GSM Phone | ||
38 | |||
27 | 39 | ||
28 | endmenu | 40 | endmenu |
29 | 41 | ||
diff --git a/arch/arm/mach-s3c2442/Makefile b/arch/arm/mach-s3c2442/Makefile index 2a909c6c5798..2a19113a5769 100644 --- a/arch/arm/mach-s3c2442/Makefile +++ b/arch/arm/mach-s3c2442/Makefile | |||
@@ -12,5 +12,7 @@ obj- := | |||
12 | obj-$(CONFIG_CPU_S3C2442) += s3c2442.o | 12 | obj-$(CONFIG_CPU_S3C2442) += s3c2442.o |
13 | obj-$(CONFIG_CPU_S3C2442) += clock.o | 13 | obj-$(CONFIG_CPU_S3C2442) += clock.o |
14 | 14 | ||
15 | obj-$(CONFIG_MACH_NEO1973_GTA02) += mach-gta02.o | ||
16 | |||
15 | # Machine support | 17 | # Machine support |
16 | 18 | ||
diff --git a/arch/arm/mach-s3c2442/include/mach/gta02.h b/arch/arm/mach-s3c2442/include/mach/gta02.h new file mode 100644 index 000000000000..953331d8d56a --- /dev/null +++ b/arch/arm/mach-s3c2442/include/mach/gta02.h | |||
@@ -0,0 +1,84 @@ | |||
1 | #ifndef _GTA02_H | ||
2 | #define _GTA02_H | ||
3 | |||
4 | #include <mach/regs-gpio.h> | ||
5 | |||
6 | /* Different hardware revisions, passed in ATAG_REVISION by u-boot */ | ||
7 | #define GTA02v1_SYSTEM_REV 0x00000310 | ||
8 | #define GTA02v2_SYSTEM_REV 0x00000320 | ||
9 | #define GTA02v3_SYSTEM_REV 0x00000330 | ||
10 | #define GTA02v4_SYSTEM_REV 0x00000340 | ||
11 | #define GTA02v5_SYSTEM_REV 0x00000350 | ||
12 | /* since A7 is basically same as A6, we use A6 PCB ID */ | ||
13 | #define GTA02v6_SYSTEM_REV 0x00000360 | ||
14 | |||
15 | #define GTA02_GPIO_n3DL_GSM S3C2410_GPA(13) /* v1 + v2 + v3 only */ | ||
16 | |||
17 | #define GTA02_GPIO_PWR_LED1 S3C2410_GPB(0) | ||
18 | #define GTA02_GPIO_PWR_LED2 S3C2410_GPB(1) | ||
19 | #define GTA02_GPIO_AUX_LED S3C2410_GPB(2) | ||
20 | #define GTA02_GPIO_VIBRATOR_ON S3C2410_GPB(3) | ||
21 | #define GTA02_GPIO_MODEM_RST S3C2410_GPB(5) | ||
22 | #define GTA02_GPIO_BT_EN S3C2410_GPB(6) | ||
23 | #define GTA02_GPIO_MODEM_ON S3C2410_GPB(7) | ||
24 | #define GTA02_GPIO_EXTINT8 S3C2410_GPB(8) | ||
25 | #define GTA02_GPIO_USB_PULLUP S3C2410_GPB(9) | ||
26 | |||
27 | #define GTA02_GPIO_PIO5 S3C2410_GPC(5) /* v3 + v4 only */ | ||
28 | |||
29 | #define GTA02v3_GPIO_nG1_CS S3C2410_GPD(12) /* v3 + v4 only */ | ||
30 | #define GTA02v3_GPIO_nG2_CS S3C2410_GPD(13) /* v3 + v4 only */ | ||
31 | #define GTA02v5_GPIO_HDQ S3C2410_GPD(14) /* v5 + */ | ||
32 | |||
33 | #define GTA02_GPIO_nG1_INT S3C2410_GPF(0) | ||
34 | #define GTA02_GPIO_IO1 S3C2410_GPF(1) | ||
35 | #define GTA02_GPIO_PIO_2 S3C2410_GPF(2) /* v2 + v3 + v4 only */ | ||
36 | #define GTA02_GPIO_JACK_INSERT S3C2410_GPF(4) | ||
37 | #define GTA02_GPIO_WLAN_GPIO1 S3C2410_GPF(5) /* v2 + v3 + v4 only */ | ||
38 | #define GTA02_GPIO_AUX_KEY S3C2410_GPF(6) | ||
39 | #define GTA02_GPIO_HOLD_KEY S3C2410_GPF(7) | ||
40 | |||
41 | #define GTA02_GPIO_3D_IRQ S3C2410_GPG(4) | ||
42 | #define GTA02v2_GPIO_nG2_INT S3C2410_GPG(8) /* v2 + v3 + v4 only */ | ||
43 | #define GTA02v3_GPIO_nUSB_OC S3C2410_GPG(9) /* v3 + v4 only */ | ||
44 | #define GTA02v3_GPIO_nUSB_FLT S3C2410_GPG(10) /* v3 + v4 only */ | ||
45 | #define GTA02v3_GPIO_nGSM_OC S3C2410_GPG(11) /* v3 + v4 only */ | ||
46 | |||
47 | #define GTA02_GPIO_AMP_SHUT S3C2440_GPJ1 /* v2 + v3 + v4 only */ | ||
48 | #define GTA02v1_GPIO_WLAN_GPIO10 S3C2440_GPJ2 | ||
49 | #define GTA02_GPIO_HP_IN S3C2440_GPJ2 /* v2 + v3 + v4 only */ | ||
50 | #define GTA02_GPIO_INT0 S3C2440_GPJ3 /* v2 + v3 + v4 only */ | ||
51 | #define GTA02_GPIO_nGSM_EN S3C2440_GPJ4 | ||
52 | #define GTA02_GPIO_3D_RESET S3C2440_GPJ5 | ||
53 | #define GTA02_GPIO_nDL_GSM S3C2440_GPJ6 /* v4 + v5 only */ | ||
54 | #define GTA02_GPIO_WLAN_GPIO0 S3C2440_GPJ7 | ||
55 | #define GTA02v1_GPIO_BAT_ID S3C2440_GPJ8 | ||
56 | #define GTA02_GPIO_KEEPACT S3C2440_GPJ8 | ||
57 | #define GTA02v1_GPIO_HP_IN S3C2440_GPJ10 | ||
58 | #define GTA02_CHIP_PWD S3C2440_GPJ11 /* v2 + v3 + v4 only */ | ||
59 | #define GTA02_GPIO_nWLAN_RESET S3C2440_GPJ12 /* v2 + v3 + v4 only */ | ||
60 | |||
61 | #define GTA02_IRQ_GSENSOR_1 IRQ_EINT0 | ||
62 | #define GTA02_IRQ_MODEM IRQ_EINT1 | ||
63 | #define GTA02_IRQ_PIO_2 IRQ_EINT2 /* v2 + v3 + v4 only */ | ||
64 | #define GTA02_IRQ_nJACK_INSERT IRQ_EINT4 | ||
65 | #define GTA02_IRQ_WLAN_GPIO1 IRQ_EINT5 | ||
66 | #define GTA02_IRQ_AUX IRQ_EINT6 | ||
67 | #define GTA02_IRQ_nHOLD IRQ_EINT7 | ||
68 | #define GTA02_IRQ_PCF50633 IRQ_EINT9 | ||
69 | #define GTA02_IRQ_3D IRQ_EINT12 | ||
70 | #define GTA02_IRQ_GSENSOR_2 IRQ_EINT16 /* v2 + v3 + v4 only */ | ||
71 | #define GTA02v3_IRQ_nUSB_OC IRQ_EINT17 /* v3 + v4 only */ | ||
72 | #define GTA02v3_IRQ_nUSB_FLT IRQ_EINT18 /* v3 + v4 only */ | ||
73 | #define GTA02v3_IRQ_nGSM_OC IRQ_EINT19 /* v3 + v4 only */ | ||
74 | |||
75 | /* returns 00 000 on GTA02 A5 and earlier, A6 returns 01 001 */ | ||
76 | #define GTA02_PCB_ID1_0 S3C2410_GPC(13) | ||
77 | #define GTA02_PCB_ID1_1 S3C2410_GPC(15) | ||
78 | #define GTA02_PCB_ID1_2 S3C2410_GPD(0) | ||
79 | #define GTA02_PCB_ID2_0 S3C2410_GPD(3) | ||
80 | #define GTA02_PCB_ID2_1 S3C2410_GPD(4) | ||
81 | |||
82 | int gta02_get_pcb_revision(void); | ||
83 | |||
84 | #endif /* _GTA02_H */ | ||
diff --git a/arch/arm/mach-s3c2442/mach-gta02.c b/arch/arm/mach-s3c2442/mach-gta02.c new file mode 100644 index 000000000000..e23b581aa0e1 --- /dev/null +++ b/arch/arm/mach-s3c2442/mach-gta02.c | |||
@@ -0,0 +1,646 @@ | |||
1 | /* | ||
2 | * linux/arch/arm/mach-s3c2442/mach-gta02.c | ||
3 | * | ||
4 | * S3C2442 Machine Support for Openmoko GTA02 / FreeRunner. | ||
5 | * | ||
6 | * Copyright (C) 2006-2009 by Openmoko, Inc. | ||
7 | * Authors: Harald Welte <laforge@openmoko.org> | ||
8 | * Andy Green <andy@openmoko.org> | ||
9 | * Werner Almesberger <werner@openmoko.org> | ||
10 | * All rights reserved. | ||
11 | * | ||
12 | * This program is free software; you can redistribute it and/or | ||
13 | * modify it under the terms of the GNU General Public License as | ||
14 | * published by the Free Software Foundation; either version 2 of | ||
15 | * the License, or (at your option) any later version. | ||
16 | * | ||
17 | * This program is distributed in the hope that it will be useful, | ||
18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
20 | * GNU General Public License for more details. | ||
21 | * | ||
22 | * You should have received a copy of the GNU General Public License | ||
23 | * along with this program; if not, write to the Free Software | ||
24 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | ||
25 | * MA 02111-1307 USA | ||
26 | * | ||
27 | */ | ||
28 | |||
29 | #include <linux/kernel.h> | ||
30 | #include <linux/types.h> | ||
31 | #include <linux/interrupt.h> | ||
32 | #include <linux/list.h> | ||
33 | #include <linux/delay.h> | ||
34 | #include <linux/timer.h> | ||
35 | #include <linux/init.h> | ||
36 | #include <linux/gpio.h> | ||
37 | #include <linux/workqueue.h> | ||
38 | #include <linux/platform_device.h> | ||
39 | #include <linux/serial_core.h> | ||
40 | #include <linux/spi/spi.h> | ||
41 | |||
42 | #include <linux/mmc/host.h> | ||
43 | |||
44 | #include <linux/mtd/mtd.h> | ||
45 | #include <linux/mtd/nand.h> | ||
46 | #include <linux/mtd/nand_ecc.h> | ||
47 | #include <linux/mtd/partitions.h> | ||
48 | #include <linux/mtd/physmap.h> | ||
49 | #include <linux/io.h> | ||
50 | |||
51 | #include <linux/i2c.h> | ||
52 | #include <linux/backlight.h> | ||
53 | #include <linux/regulator/machine.h> | ||
54 | |||
55 | #include <linux/mfd/pcf50633/core.h> | ||
56 | #include <linux/mfd/pcf50633/mbc.h> | ||
57 | #include <linux/mfd/pcf50633/adc.h> | ||
58 | #include <linux/mfd/pcf50633/gpio.h> | ||
59 | #include <linux/mfd/pcf50633/pmic.h> | ||
60 | |||
61 | #include <asm/mach/arch.h> | ||
62 | #include <asm/mach/map.h> | ||
63 | #include <asm/mach/irq.h> | ||
64 | |||
65 | #include <asm/irq.h> | ||
66 | #include <asm/mach-types.h> | ||
67 | |||
68 | #include <mach/regs-irq.h> | ||
69 | #include <mach/regs-gpio.h> | ||
70 | #include <mach/regs-gpioj.h> | ||
71 | #include <mach/fb.h> | ||
72 | |||
73 | #include <mach/spi.h> | ||
74 | #include <mach/spi-gpio.h> | ||
75 | #include <plat/usb-control.h> | ||
76 | #include <mach/regs-mem.h> | ||
77 | #include <mach/hardware.h> | ||
78 | |||
79 | #include <mach/gta02.h> | ||
80 | |||
81 | #include <plat/regs-serial.h> | ||
82 | #include <plat/nand.h> | ||
83 | #include <plat/devs.h> | ||
84 | #include <plat/cpu.h> | ||
85 | #include <plat/pm.h> | ||
86 | #include <plat/udc.h> | ||
87 | #include <plat/gpio-cfg.h> | ||
88 | #include <plat/iic.h> | ||
89 | |||
90 | static struct pcf50633 *gta02_pcf; | ||
91 | |||
92 | /* | ||
93 | * This gets called every 1ms when we paniced. | ||
94 | */ | ||
95 | |||
96 | static long gta02_panic_blink(long count) | ||
97 | { | ||
98 | long delay = 0; | ||
99 | static long last_blink; | ||
100 | static char led; | ||
101 | |||
102 | /* Fast blink: 200ms period. */ | ||
103 | if (count - last_blink < 100) | ||
104 | return 0; | ||
105 | |||
106 | led ^= 1; | ||
107 | gpio_direction_output(GTA02_GPIO_AUX_LED, led); | ||
108 | |||
109 | last_blink = count; | ||
110 | |||
111 | return delay; | ||
112 | } | ||
113 | |||
114 | |||
115 | static struct map_desc gta02_iodesc[] __initdata = { | ||
116 | { | ||
117 | .virtual = 0xe0000000, | ||
118 | .pfn = __phys_to_pfn(S3C2410_CS3 + 0x01000000), | ||
119 | .length = SZ_1M, | ||
120 | .type = MT_DEVICE | ||
121 | }, | ||
122 | }; | ||
123 | |||
124 | #define UCON (S3C2410_UCON_DEFAULT | S3C2443_UCON_RXERR_IRQEN) | ||
125 | #define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB) | ||
126 | #define UFCON (S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE) | ||
127 | |||
128 | static struct s3c2410_uartcfg gta02_uartcfgs[] = { | ||
129 | [0] = { | ||
130 | .hwport = 0, | ||
131 | .flags = 0, | ||
132 | .ucon = UCON, | ||
133 | .ulcon = ULCON, | ||
134 | .ufcon = UFCON, | ||
135 | }, | ||
136 | [1] = { | ||
137 | .hwport = 1, | ||
138 | .flags = 0, | ||
139 | .ucon = UCON, | ||
140 | .ulcon = ULCON, | ||
141 | .ufcon = UFCON, | ||
142 | }, | ||
143 | [2] = { | ||
144 | .hwport = 2, | ||
145 | .flags = 0, | ||
146 | .ucon = UCON, | ||
147 | .ulcon = ULCON, | ||
148 | .ufcon = UFCON, | ||
149 | }, | ||
150 | }; | ||
151 | |||
152 | #ifdef CONFIG_CHARGER_PCF50633 | ||
153 | /* | ||
154 | * On GTA02 the 1A charger features a 48K resistor to 0V on the ID pin. | ||
155 | * We use this to recognize that we can pull 1A from the USB socket. | ||
156 | * | ||
157 | * These constants are the measured pcf50633 ADC levels with the 1A | ||
158 | * charger / 48K resistor, and with no pulldown resistor. | ||
159 | */ | ||
160 | |||
161 | #define ADC_NOM_CHG_DETECT_1A 6 | ||
162 | #define ADC_NOM_CHG_DETECT_USB 43 | ||
163 | |||
164 | static void | ||
165 | gta02_configure_pmu_for_charger(struct pcf50633 *pcf, void *unused, int res) | ||
166 | { | ||
167 | int ma; | ||
168 | |||
169 | /* Interpret charger type */ | ||
170 | if (res < ((ADC_NOM_CHG_DETECT_USB + ADC_NOM_CHG_DETECT_1A) / 2)) { | ||
171 | |||
172 | /* | ||
173 | * Sanity - stop GPO driving out now that we have a 1A charger | ||
174 | * GPO controls USB Host power generation on GTA02 | ||
175 | */ | ||
176 | pcf50633_gpio_set(pcf, PCF50633_GPO, 0); | ||
177 | |||
178 | ma = 1000; | ||
179 | } else | ||
180 | ma = 100; | ||
181 | |||
182 | pcf50633_mbc_usb_curlim_set(pcf, ma); | ||
183 | } | ||
184 | |||
185 | static struct delayed_work gta02_charger_work; | ||
186 | static int gta02_usb_vbus_draw; | ||
187 | |||
188 | static void gta02_charger_worker(struct work_struct *work) | ||
189 | { | ||
190 | if (gta02_usb_vbus_draw) { | ||
191 | pcf50633_mbc_usb_curlim_set(gta02_pcf, gta02_usb_vbus_draw); | ||
192 | return; | ||
193 | } | ||
194 | |||
195 | #ifdef CONFIG_PCF50633_ADC | ||
196 | pcf50633_adc_async_read(gta02_pcf, | ||
197 | PCF50633_ADCC1_MUX_ADCIN1, | ||
198 | PCF50633_ADCC1_AVERAGE_16, | ||
199 | gta02_configure_pmu_for_charger, | ||
200 | NULL); | ||
201 | #else | ||
202 | /* | ||
203 | * If the PCF50633 ADC is disabled we fallback to a | ||
204 | * 100mA limit for safety. | ||
205 | */ | ||
206 | pcf50633_mbc_usb_curlim_set(pcf, 100); | ||
207 | #endif | ||
208 | } | ||
209 | |||
210 | #define GTA02_CHARGER_CONFIGURE_TIMEOUT ((3000 * HZ) / 1000) | ||
211 | |||
212 | static void gta02_pmu_event_callback(struct pcf50633 *pcf, int irq) | ||
213 | { | ||
214 | if (irq == PCF50633_IRQ_USBINS) { | ||
215 | schedule_delayed_work(>a02_charger_work, | ||
216 | GTA02_CHARGER_CONFIGURE_TIMEOUT); | ||
217 | |||
218 | return; | ||
219 | } | ||
220 | |||
221 | if (irq == PCF50633_IRQ_USBREM) { | ||
222 | cancel_delayed_work_sync(>a02_charger_work); | ||
223 | gta02_usb_vbus_draw = 0; | ||
224 | } | ||
225 | } | ||
226 | |||
227 | static void gta02_udc_vbus_draw(unsigned int ma) | ||
228 | { | ||
229 | if (!gta02_pcf) | ||
230 | return; | ||
231 | |||
232 | gta02_usb_vbus_draw = ma; | ||
233 | |||
234 | schedule_delayed_work(>a02_charger_work, | ||
235 | GTA02_CHARGER_CONFIGURE_TIMEOUT); | ||
236 | } | ||
237 | #else /* !CONFIG_CHARGER_PCF50633 */ | ||
238 | #define gta02_pmu_event_callback NULL | ||
239 | #define gta02_udc_vbus_draw NULL | ||
240 | #endif | ||
241 | |||
242 | /* | ||
243 | * This is called when pc50633 is probed, unfortunately quite late in the | ||
244 | * day since it is an I2C bus device. Here we can belatedly define some | ||
245 | * platform devices with the advantage that we can mark the pcf50633 as the | ||
246 | * parent. This makes them get suspended and resumed with their parent | ||
247 | * the pcf50633 still around. | ||
248 | */ | ||
249 | |||
250 | static void gta02_pmu_attach_child_devices(struct pcf50633 *pcf); | ||
251 | |||
252 | |||
253 | static char *gta02_batteries[] = { | ||
254 | "battery", | ||
255 | }; | ||
256 | |||
257 | struct pcf50633_platform_data gta02_pcf_pdata = { | ||
258 | .resumers = { | ||
259 | [0] = PCF50633_INT1_USBINS | | ||
260 | PCF50633_INT1_USBREM | | ||
261 | PCF50633_INT1_ALARM, | ||
262 | [1] = PCF50633_INT2_ONKEYF, | ||
263 | [2] = PCF50633_INT3_ONKEY1S, | ||
264 | [3] = PCF50633_INT4_LOWSYS | | ||
265 | PCF50633_INT4_LOWBAT | | ||
266 | PCF50633_INT4_HIGHTMP, | ||
267 | }, | ||
268 | |||
269 | .batteries = gta02_batteries, | ||
270 | .num_batteries = ARRAY_SIZE(gta02_batteries), | ||
271 | .reg_init_data = { | ||
272 | [PCF50633_REGULATOR_AUTO] = { | ||
273 | .constraints = { | ||
274 | .min_uV = 3300000, | ||
275 | .max_uV = 3300000, | ||
276 | .valid_modes_mask = REGULATOR_MODE_NORMAL, | ||
277 | .always_on = 1, | ||
278 | .apply_uV = 1, | ||
279 | .state_mem = { | ||
280 | .enabled = 1, | ||
281 | }, | ||
282 | }, | ||
283 | }, | ||
284 | [PCF50633_REGULATOR_DOWN1] = { | ||
285 | .constraints = { | ||
286 | .min_uV = 1300000, | ||
287 | .max_uV = 1600000, | ||
288 | .valid_modes_mask = REGULATOR_MODE_NORMAL, | ||
289 | .always_on = 1, | ||
290 | .apply_uV = 1, | ||
291 | }, | ||
292 | }, | ||
293 | [PCF50633_REGULATOR_DOWN2] = { | ||
294 | .constraints = { | ||
295 | .min_uV = 1800000, | ||
296 | .max_uV = 1800000, | ||
297 | .valid_modes_mask = REGULATOR_MODE_NORMAL, | ||
298 | .apply_uV = 1, | ||
299 | .always_on = 1, | ||
300 | .state_mem = { | ||
301 | .enabled = 1, | ||
302 | }, | ||
303 | }, | ||
304 | }, | ||
305 | [PCF50633_REGULATOR_HCLDO] = { | ||
306 | .constraints = { | ||
307 | .min_uV = 2000000, | ||
308 | .max_uV = 3300000, | ||
309 | .valid_modes_mask = REGULATOR_MODE_NORMAL, | ||
310 | .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE, | ||
311 | .always_on = 1, | ||
312 | }, | ||
313 | }, | ||
314 | [PCF50633_REGULATOR_LDO1] = { | ||
315 | .constraints = { | ||
316 | .min_uV = 3300000, | ||
317 | .max_uV = 3300000, | ||
318 | .valid_modes_mask = REGULATOR_MODE_NORMAL, | ||
319 | .apply_uV = 1, | ||
320 | .state_mem = { | ||
321 | .enabled = 0, | ||
322 | }, | ||
323 | }, | ||
324 | }, | ||
325 | [PCF50633_REGULATOR_LDO2] = { | ||
326 | .constraints = { | ||
327 | .min_uV = 3300000, | ||
328 | .max_uV = 3300000, | ||
329 | .valid_modes_mask = REGULATOR_MODE_NORMAL, | ||
330 | .apply_uV = 1, | ||
331 | }, | ||
332 | }, | ||
333 | [PCF50633_REGULATOR_LDO3] = { | ||
334 | .constraints = { | ||
335 | .min_uV = 3000000, | ||
336 | .max_uV = 3000000, | ||
337 | .valid_modes_mask = REGULATOR_MODE_NORMAL, | ||
338 | .apply_uV = 1, | ||
339 | }, | ||
340 | }, | ||
341 | [PCF50633_REGULATOR_LDO4] = { | ||
342 | .constraints = { | ||
343 | .min_uV = 3200000, | ||
344 | .max_uV = 3200000, | ||
345 | .valid_modes_mask = REGULATOR_MODE_NORMAL, | ||
346 | .apply_uV = 1, | ||
347 | }, | ||
348 | }, | ||
349 | [PCF50633_REGULATOR_LDO5] = { | ||
350 | .constraints = { | ||
351 | .min_uV = 3000000, | ||
352 | .max_uV = 3000000, | ||
353 | .valid_modes_mask = REGULATOR_MODE_NORMAL, | ||
354 | .apply_uV = 1, | ||
355 | .state_mem = { | ||
356 | .enabled = 1, | ||
357 | }, | ||
358 | }, | ||
359 | }, | ||
360 | [PCF50633_REGULATOR_LDO6] = { | ||
361 | .constraints = { | ||
362 | .min_uV = 3000000, | ||
363 | .max_uV = 3000000, | ||
364 | .valid_modes_mask = REGULATOR_MODE_NORMAL, | ||
365 | }, | ||
366 | }, | ||
367 | [PCF50633_REGULATOR_MEMLDO] = { | ||
368 | .constraints = { | ||
369 | .min_uV = 1800000, | ||
370 | .max_uV = 1800000, | ||
371 | .valid_modes_mask = REGULATOR_MODE_NORMAL, | ||
372 | .state_mem = { | ||
373 | .enabled = 1, | ||
374 | }, | ||
375 | }, | ||
376 | }, | ||
377 | |||
378 | }, | ||
379 | .probe_done = gta02_pmu_attach_child_devices, | ||
380 | .mbc_event_callback = gta02_pmu_event_callback, | ||
381 | }; | ||
382 | |||
383 | |||
384 | /* NOR Flash. */ | ||
385 | |||
386 | #define GTA02_FLASH_BASE 0x18000000 /* GCS3 */ | ||
387 | #define GTA02_FLASH_SIZE 0x200000 /* 2MBytes */ | ||
388 | |||
389 | static struct physmap_flash_data gta02_nor_flash_data = { | ||
390 | .width = 2, | ||
391 | }; | ||
392 | |||
393 | static struct resource gta02_nor_flash_resource = { | ||
394 | .start = GTA02_FLASH_BASE, | ||
395 | .end = GTA02_FLASH_BASE + GTA02_FLASH_SIZE - 1, | ||
396 | .flags = IORESOURCE_MEM, | ||
397 | }; | ||
398 | |||
399 | static struct platform_device gta02_nor_flash = { | ||
400 | .name = "physmap-flash", | ||
401 | .id = 0, | ||
402 | .dev = { | ||
403 | .platform_data = >a02_nor_flash_data, | ||
404 | }, | ||
405 | .resource = >a02_nor_flash_resource, | ||
406 | .num_resources = 1, | ||
407 | }; | ||
408 | |||
409 | |||
410 | struct platform_device s3c24xx_pwm_device = { | ||
411 | .name = "s3c24xx_pwm", | ||
412 | .num_resources = 0, | ||
413 | }; | ||
414 | |||
415 | static struct i2c_board_info gta02_i2c_devs[] __initdata = { | ||
416 | { | ||
417 | I2C_BOARD_INFO("pcf50633", 0x73), | ||
418 | .irq = GTA02_IRQ_PCF50633, | ||
419 | .platform_data = >a02_pcf_pdata, | ||
420 | }, | ||
421 | { | ||
422 | I2C_BOARD_INFO("wm8753", 0x1a), | ||
423 | }, | ||
424 | }; | ||
425 | |||
426 | static struct s3c2410_nand_set gta02_nand_sets[] = { | ||
427 | [0] = { | ||
428 | /* | ||
429 | * This name is also hard-coded in the boot loaders, so | ||
430 | * changing it would would require all users to upgrade | ||
431 | * their boot loaders, some of which are stored in a NOR | ||
432 | * that is considered to be immutable. | ||
433 | */ | ||
434 | .name = "neo1973-nand", | ||
435 | .nr_chips = 1, | ||
436 | .use_bbt = 1, | ||
437 | .force_soft_ecc = 1, | ||
438 | }, | ||
439 | }; | ||
440 | |||
441 | /* | ||
442 | * Choose a set of timings derived from S3C@2442B MCP54 | ||
443 | * data sheet (K5D2G13ACM-D075 MCP Memory). | ||
444 | */ | ||
445 | |||
446 | static struct s3c2410_platform_nand gta02_nand_info = { | ||
447 | .tacls = 0, | ||
448 | .twrph0 = 25, | ||
449 | .twrph1 = 15, | ||
450 | .nr_sets = ARRAY_SIZE(gta02_nand_sets), | ||
451 | .sets = gta02_nand_sets, | ||
452 | }; | ||
453 | |||
454 | |||
455 | static void gta02_udc_command(enum s3c2410_udc_cmd_e cmd) | ||
456 | { | ||
457 | switch (cmd) { | ||
458 | case S3C2410_UDC_P_ENABLE: | ||
459 | pr_debug("%s S3C2410_UDC_P_ENABLE\n", __func__); | ||
460 | gpio_direction_output(GTA02_GPIO_USB_PULLUP, 1); | ||
461 | break; | ||
462 | case S3C2410_UDC_P_DISABLE: | ||
463 | pr_debug("%s S3C2410_UDC_P_DISABLE\n", __func__); | ||
464 | gpio_direction_output(GTA02_GPIO_USB_PULLUP, 0); | ||
465 | break; | ||
466 | case S3C2410_UDC_P_RESET: | ||
467 | pr_debug("%s S3C2410_UDC_P_RESET\n", __func__); | ||
468 | /* FIXME: Do something here. */ | ||
469 | } | ||
470 | } | ||
471 | |||
472 | /* Get PMU to set USB current limit accordingly. */ | ||
473 | static struct s3c2410_udc_mach_info gta02_udc_cfg = { | ||
474 | .vbus_draw = gta02_udc_vbus_draw, | ||
475 | .udc_command = gta02_udc_command, | ||
476 | |||
477 | }; | ||
478 | |||
479 | |||
480 | |||
481 | static void gta02_bl_set_intensity(int intensity) | ||
482 | { | ||
483 | struct pcf50633 *pcf = gta02_pcf; | ||
484 | int old_intensity = pcf50633_reg_read(pcf, PCF50633_REG_LEDOUT); | ||
485 | |||
486 | /* We map 8-bit intensity to 6-bit intensity in hardware. */ | ||
487 | intensity >>= 2; | ||
488 | |||
489 | /* | ||
490 | * This can happen during, eg, print of panic on blanked console, | ||
491 | * but we can't service i2c without interrupts active, so abort. | ||
492 | */ | ||
493 | if (in_atomic()) { | ||
494 | printk(KERN_ERR "gta02_bl_set_intensity called while atomic\n"); | ||
495 | return; | ||
496 | } | ||
497 | |||
498 | old_intensity = pcf50633_reg_read(pcf, PCF50633_REG_LEDOUT); | ||
499 | if (intensity == old_intensity) | ||
500 | return; | ||
501 | |||
502 | /* We can't do this anywhere else. */ | ||
503 | pcf50633_reg_write(pcf, PCF50633_REG_LEDDIM, 5); | ||
504 | |||
505 | if (!(pcf50633_reg_read(pcf, PCF50633_REG_LEDENA) & 3)) | ||
506 | old_intensity = 0; | ||
507 | |||
508 | /* | ||
509 | * The PCF50633 cannot handle LEDOUT = 0 (datasheet p60) | ||
510 | * if seen, you have to re-enable the LED unit. | ||
511 | */ | ||
512 | if (!intensity || !old_intensity) | ||
513 | pcf50633_reg_write(pcf, PCF50633_REG_LEDENA, 0); | ||
514 | |||
515 | /* Illegal to set LEDOUT to 0. */ | ||
516 | if (!intensity) | ||
517 | pcf50633_reg_set_bit_mask(pcf, PCF50633_REG_LEDOUT, 0x3f, 2); | ||
518 | else | ||
519 | pcf50633_reg_set_bit_mask(pcf, PCF50633_REG_LEDOUT, 0x3f, | ||
520 | intensity); | ||
521 | |||
522 | if (intensity) | ||
523 | pcf50633_reg_write(pcf, PCF50633_REG_LEDENA, 2); | ||
524 | |||
525 | } | ||
526 | |||
527 | static struct generic_bl_info gta02_bl_info = { | ||
528 | .name = "gta02-bl", | ||
529 | .max_intensity = 0xff, | ||
530 | .default_intensity = 0xff, | ||
531 | .set_bl_intensity = gta02_bl_set_intensity, | ||
532 | }; | ||
533 | |||
534 | static struct platform_device gta02_bl_dev = { | ||
535 | .name = "generic-bl", | ||
536 | .id = 1, | ||
537 | .dev = { | ||
538 | .platform_data = >a02_bl_info, | ||
539 | }, | ||
540 | }; | ||
541 | |||
542 | |||
543 | |||
544 | /* USB */ | ||
545 | static struct s3c2410_hcd_info gta02_usb_info = { | ||
546 | .port[0] = { | ||
547 | .flags = S3C_HCDFLG_USED, | ||
548 | }, | ||
549 | .port[1] = { | ||
550 | .flags = 0, | ||
551 | }, | ||
552 | }; | ||
553 | |||
554 | |||
555 | static void __init gta02_map_io(void) | ||
556 | { | ||
557 | s3c24xx_init_io(gta02_iodesc, ARRAY_SIZE(gta02_iodesc)); | ||
558 | s3c24xx_init_clocks(12000000); | ||
559 | s3c24xx_init_uarts(gta02_uartcfgs, ARRAY_SIZE(gta02_uartcfgs)); | ||
560 | } | ||
561 | |||
562 | |||
563 | /* These are the guys that don't need to be children of PMU. */ | ||
564 | |||
565 | static struct platform_device *gta02_devices[] __initdata = { | ||
566 | &s3c_device_usb, | ||
567 | &s3c_device_wdt, | ||
568 | &s3c_device_sdi, | ||
569 | &s3c_device_usbgadget, | ||
570 | &s3c_device_nand, | ||
571 | >a02_nor_flash, | ||
572 | &s3c24xx_pwm_device, | ||
573 | &s3c_device_iis, | ||
574 | &s3c_device_i2c0, | ||
575 | }; | ||
576 | |||
577 | /* These guys DO need to be children of PMU. */ | ||
578 | |||
579 | static struct platform_device *gta02_devices_pmu_children[] = { | ||
580 | >a02_bl_dev, | ||
581 | }; | ||
582 | |||
583 | |||
584 | /* | ||
585 | * This is called when pc50633 is probed, quite late in the day since it is an | ||
586 | * I2C bus device. Here we can define platform devices with the advantage that | ||
587 | * we can mark the pcf50633 as the parent. This makes them get suspended and | ||
588 | * resumed with their parent the pcf50633 still around. All devices whose | ||
589 | * operation depends on something from pcf50633 must have this relationship | ||
590 | * made explicit like this, or suspend and resume will become an unreliable | ||
591 | * hellworld. | ||
592 | */ | ||
593 | |||
594 | static void gta02_pmu_attach_child_devices(struct pcf50633 *pcf) | ||
595 | { | ||
596 | int n; | ||
597 | |||
598 | /* Grab a copy of the now probed PMU pointer. */ | ||
599 | gta02_pcf = pcf; | ||
600 | |||
601 | for (n = 0; n < ARRAY_SIZE(gta02_devices_pmu_children); n++) | ||
602 | gta02_devices_pmu_children[n]->dev.parent = pcf->dev; | ||
603 | |||
604 | platform_add_devices(gta02_devices_pmu_children, | ||
605 | ARRAY_SIZE(gta02_devices_pmu_children)); | ||
606 | } | ||
607 | |||
608 | static void gta02_poweroff(void) | ||
609 | { | ||
610 | pcf50633_reg_set_bit_mask(gta02_pcf, PCF50633_REG_OOCSHDWN, 1, 1); | ||
611 | } | ||
612 | |||
613 | static void __init gta02_machine_init(void) | ||
614 | { | ||
615 | /* Set the panic callback to make AUX LED blink at ~5Hz. */ | ||
616 | panic_blink = gta02_panic_blink; | ||
617 | |||
618 | s3c_pm_init(); | ||
619 | |||
620 | #ifdef CONFIG_CHARGER_PCF50633 | ||
621 | INIT_DELAYED_WORK(>a02_charger_work, gta02_charger_worker); | ||
622 | #endif | ||
623 | |||
624 | s3c_device_usb.dev.platform_data = >a02_usb_info; | ||
625 | s3c_device_nand.dev.platform_data = >a02_nand_info; | ||
626 | |||
627 | s3c24xx_udc_set_platdata(>a02_udc_cfg); | ||
628 | s3c_i2c0_set_platdata(NULL); | ||
629 | |||
630 | i2c_register_board_info(0, gta02_i2c_devs, ARRAY_SIZE(gta02_i2c_devs)); | ||
631 | |||
632 | platform_add_devices(gta02_devices, ARRAY_SIZE(gta02_devices)); | ||
633 | pm_power_off = gta02_poweroff; | ||
634 | } | ||
635 | |||
636 | |||
637 | MACHINE_START(NEO1973_GTA02, "GTA02") | ||
638 | /* Maintainer: Nelson Castillo <arhuaco@freaks-unidos.net> */ | ||
639 | .phys_io = S3C2410_PA_UART, | ||
640 | .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc, | ||
641 | .boot_params = S3C2410_SDRAM_PA + 0x100, | ||
642 | .map_io = gta02_map_io, | ||
643 | .init_irq = s3c24xx_init_irq, | ||
644 | .init_machine = gta02_machine_init, | ||
645 | .timer = &s3c24xx_timer, | ||
646 | MACHINE_END | ||