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Merge git://git.denx.de/u-boot-x86
[people/ms/u-boot.git] / board / samsung / trats2 / trats2.c
1 /*
2 * Copyright (c) 2013 Samsung Electronics Co., Ltd. All rights reserved.
3 * Sanghee Kim <sh0130.kim@samsung.com>
4 * Piotr Wilczek <p.wilczek@samsung.com>
5 *
6 * SPDX-License-Identifier: GPL-2.0+
7 */
8
9 #include <common.h>
10 #include <lcd.h>
11 #include <asm/gpio.h>
12 #include <asm/arch/pinmux.h>
13 #include <asm/arch/power.h>
14 #include <asm/arch/mipi_dsim.h>
15 #include <power/pmic.h>
16 #include <power/max77686_pmic.h>
17 #include <power/battery.h>
18 #include <power/max77693_pmic.h>
19 #include <power/max77693_muic.h>
20 #include <power/max77693_fg.h>
21 #include <libtizen.h>
22 #include <errno.h>
23 #include <usb.h>
24 #include <usb/s3c_udc.h>
25 #include <usb_mass_storage.h>
26
27 DECLARE_GLOBAL_DATA_PTR;
28
29 static unsigned int board_rev = -1;
30
31 static inline u32 get_model_rev(void);
32
33 static void check_hw_revision(void)
34 {
35 int modelrev = 0;
36 char str[12];
37 int i;
38
39 /*
40 * GPM1[1:0]: MODEL_REV[1:0]
41 * Don't set as pull-none for these N/C pin.
42 * TRM say that it may cause unexcepted state and leakage current.
43 * and pull-none is only for output function.
44 */
45 for (i = 0; i < 2; i++) {
46 int pin = i + EXYNOS4X12_GPIO_M10;
47
48 sprintf(str, "model_rev%d", i);
49 gpio_request(pin, str);
50 gpio_cfg_pin(pin, S5P_GPIO_INPUT);
51 }
52
53 /* GPM1[5:2]: HW_REV[3:0] */
54 for (i = 0; i < 4; i++) {
55 int pin = i + EXYNOS4X12_GPIO_M12;
56
57 sprintf(str, "hw_rev%d", i);
58 gpio_request(pin, str);
59 gpio_cfg_pin(pin, S5P_GPIO_INPUT);
60 gpio_set_pull(pin, S5P_GPIO_PULL_NONE);
61 }
62
63 /* GPM1[1:0]: MODEL_REV[1:0] */
64 for (i = 0; i < 2; i++)
65 modelrev |= (gpio_get_value(EXYNOS4X12_GPIO_M10 + i) << i);
66
67 /* board_rev[15:8] = model */
68 board_rev = modelrev << 8;
69 }
70
71 u32 get_board_rev(void)
72 {
73 return board_rev;
74 }
75
76 static inline u32 get_model_rev(void)
77 {
78 return (board_rev >> 8) & 0xff;
79 }
80
81 static void board_external_gpio_init(void)
82 {
83 /*
84 * some pins which in alive block are connected with external pull-up
85 * but it's default setting is pull-down.
86 * if that pin set as input then that floated
87 */
88
89 gpio_set_pull(EXYNOS4X12_GPIO_X02, S5P_GPIO_PULL_NONE); /* PS_ALS_INT */
90 gpio_set_pull(EXYNOS4X12_GPIO_X04, S5P_GPIO_PULL_NONE); /* TSP_nINT */
91 gpio_set_pull(EXYNOS4X12_GPIO_X07, S5P_GPIO_PULL_NONE); /* AP_PMIC_IRQ*/
92 gpio_set_pull(EXYNOS4X12_GPIO_X15, S5P_GPIO_PULL_NONE); /* IF_PMIC_IRQ*/
93 gpio_set_pull(EXYNOS4X12_GPIO_X20, S5P_GPIO_PULL_NONE); /* VOL_UP */
94 gpio_set_pull(EXYNOS4X12_GPIO_X21, S5P_GPIO_PULL_NONE); /* VOL_DOWN */
95 gpio_set_pull(EXYNOS4X12_GPIO_X23, S5P_GPIO_PULL_NONE); /* FUEL_ALERT */
96 gpio_set_pull(EXYNOS4X12_GPIO_X24, S5P_GPIO_PULL_NONE); /* ADC_INT */
97 gpio_set_pull(EXYNOS4X12_GPIO_X27, S5P_GPIO_PULL_NONE); /* nPOWER */
98 gpio_set_pull(EXYNOS4X12_GPIO_X30, S5P_GPIO_PULL_NONE); /* WPC_INT */
99 gpio_set_pull(EXYNOS4X12_GPIO_X35, S5P_GPIO_PULL_NONE); /* OK_KEY */
100 gpio_set_pull(EXYNOS4X12_GPIO_X37, S5P_GPIO_PULL_NONE); /* HDMI_HPD */
101 }
102
103 #ifdef CONFIG_SYS_I2C_INIT_BOARD
104 static void board_init_i2c(void)
105 {
106 int err;
107
108 /* I2C_7 */
109 err = exynos_pinmux_config(PERIPH_ID_I2C7, PINMUX_FLAG_NONE);
110 if (err) {
111 debug("I2C%d not configured\n", (I2C_7));
112 return;
113 }
114
115 /* I2C_8 */
116 gpio_request(EXYNOS4X12_GPIO_F14, "i2c8_clk");
117 gpio_request(EXYNOS4X12_GPIO_F15, "i2c8_data");
118 gpio_direction_output(EXYNOS4X12_GPIO_F14, 1);
119 gpio_direction_output(EXYNOS4X12_GPIO_F15, 1);
120
121 /* I2C_9 */
122 gpio_request(EXYNOS4X12_GPIO_M21, "i2c9_clk");
123 gpio_request(EXYNOS4X12_GPIO_M20, "i2c9_data");
124 gpio_direction_output(EXYNOS4X12_GPIO_M21, 1);
125 gpio_direction_output(EXYNOS4X12_GPIO_M20, 1);
126 }
127 #endif
128
129 #ifdef CONFIG_SYS_I2C_SOFT
130 int get_soft_i2c_scl_pin(void)
131 {
132 if (I2C_ADAP_HWNR)
133 return EXYNOS4X12_GPIO_M21; /* I2C9 */
134 else
135 return EXYNOS4X12_GPIO_F14; /* I2C8 */
136 }
137
138 int get_soft_i2c_sda_pin(void)
139 {
140 if (I2C_ADAP_HWNR)
141 return EXYNOS4X12_GPIO_M20; /* I2C9 */
142 else
143 return EXYNOS4X12_GPIO_F15; /* I2C8 */
144 }
145 #endif
146
147 int exynos_early_init_f(void)
148 {
149 board_external_gpio_init();
150
151 return 0;
152 }
153
154 static int pmic_init_max77686(void);
155
156 int exynos_init(void)
157 {
158 struct exynos4_power *pwr =
159 (struct exynos4_power *)samsung_get_base_power();
160
161 check_hw_revision();
162 printf("HW Revision:\t0x%04x\n", board_rev);
163
164 /*
165 * First bootloader on the TRATS2 platform uses
166 * INFORM4 and INFORM5 registers for recovery
167 *
168 * To indicate correct boot chain - those two
169 * registers must be cleared out
170 */
171 writel(0, &pwr->inform4);
172 writel(0, &pwr->inform5);
173
174 return 0;
175 }
176
177 int exynos_power_init(void)
178 {
179 int chrg;
180 struct power_battery *pb;
181 struct pmic *p_chrg, *p_muic, *p_fg, *p_bat;
182
183 #ifdef CONFIG_SYS_I2C_INIT_BOARD
184 board_init_i2c();
185 #endif
186 pmic_init(I2C_7); /* I2C adapter 7 - bus name s3c24x0_7 */
187 pmic_init_max77686();
188 pmic_init_max77693(I2C_10); /* I2C adapter 10 - bus name soft1 */
189 power_muic_init(I2C_10); /* I2C adapter 10 - bus name soft1 */
190 power_fg_init(I2C_9); /* I2C adapter 9 - bus name soft0 */
191 power_bat_init(0);
192
193 p_chrg = pmic_get("MAX77693_PMIC");
194 if (!p_chrg) {
195 puts("MAX77693_PMIC: Not found\n");
196 return -ENODEV;
197 }
198
199 p_muic = pmic_get("MAX77693_MUIC");
200 if (!p_muic) {
201 puts("MAX77693_MUIC: Not found\n");
202 return -ENODEV;
203 }
204
205 p_fg = pmic_get("MAX77693_FG");
206 if (!p_fg) {
207 puts("MAX17042_FG: Not found\n");
208 return -ENODEV;
209 }
210
211 if (p_chrg->chrg->chrg_bat_present(p_chrg) == 0)
212 puts("No battery detected\n");
213
214 p_bat = pmic_get("BAT_TRATS2");
215 if (!p_bat) {
216 puts("BAT_TRATS2: Not found\n");
217 return -ENODEV;
218 }
219
220 p_fg->parent = p_bat;
221 p_chrg->parent = p_bat;
222 p_muic->parent = p_bat;
223
224 p_bat->pbat->battery_init(p_bat, p_fg, p_chrg, p_muic);
225
226 pb = p_bat->pbat;
227 chrg = p_muic->chrg->chrg_type(p_muic);
228 debug("CHARGER TYPE: %d\n", chrg);
229
230 if (!p_chrg->chrg->chrg_bat_present(p_chrg)) {
231 puts("No battery detected\n");
232 return 0;
233 }
234
235 p_fg->fg->fg_battery_check(p_fg, p_bat);
236
237 if (pb->bat->state == CHARGE && chrg == CHARGER_USB)
238 puts("CHARGE Battery !\n");
239
240 return 0;
241 }
242
243 #ifdef CONFIG_USB_GADGET
244 static int s5pc210_phy_control(int on)
245 {
246 int ret = 0;
247 unsigned int val;
248 struct pmic *p, *p_pmic, *p_muic;
249
250 p_pmic = pmic_get("MAX77686_PMIC");
251 if (!p_pmic)
252 return -ENODEV;
253
254 if (pmic_probe(p_pmic))
255 return -1;
256
257 p_muic = pmic_get("MAX77693_MUIC");
258 if (!p_muic)
259 return -ENODEV;
260
261 if (pmic_probe(p_muic))
262 return -1;
263
264 if (on) {
265 ret = max77686_set_ldo_mode(p_pmic, 12, OPMODE_ON);
266 if (ret)
267 return -1;
268
269 p = pmic_get("MAX77693_PMIC");
270 if (!p)
271 return -ENODEV;
272
273 if (pmic_probe(p))
274 return -1;
275
276 /* SAFEOUT */
277 ret = pmic_reg_read(p, MAX77693_SAFEOUT, &val);
278 if (ret)
279 return -1;
280
281 val |= MAX77693_ENSAFEOUT1;
282 ret = pmic_reg_write(p, MAX77693_SAFEOUT, val);
283 if (ret)
284 return -1;
285
286 /* PATH: USB */
287 ret = pmic_reg_write(p_muic, MAX77693_MUIC_CONTROL1,
288 MAX77693_MUIC_CTRL1_DN1DP2);
289
290 } else {
291 ret = max77686_set_ldo_mode(p_pmic, 12, OPMODE_LPM);
292 if (ret)
293 return -1;
294
295 /* PATH: UART */
296 ret = pmic_reg_write(p_muic, MAX77693_MUIC_CONTROL1,
297 MAX77693_MUIC_CTRL1_UT1UR2);
298 }
299
300 if (ret)
301 return -1;
302
303 return 0;
304 }
305
306 struct s3c_plat_otg_data s5pc210_otg_data = {
307 .phy_control = s5pc210_phy_control,
308 .regs_phy = EXYNOS4X12_USBPHY_BASE,
309 .regs_otg = EXYNOS4X12_USBOTG_BASE,
310 .usb_phy_ctrl = EXYNOS4X12_USBPHY_CONTROL,
311 .usb_flags = PHY0_SLEEP,
312 };
313
314 int board_usb_init(int index, enum usb_init_type init)
315 {
316 debug("USB_udc_probe\n");
317 return s3c_udc_probe(&s5pc210_otg_data);
318 }
319
320 int g_dnl_board_usb_cable_connected(void)
321 {
322 struct pmic *muic = pmic_get("MAX77693_MUIC");
323 if (!muic)
324 return 0;
325
326 return !!muic->chrg->chrg_type(muic);
327 }
328 #endif
329
330 static int pmic_init_max77686(void)
331 {
332 struct pmic *p = pmic_get("MAX77686_PMIC");
333
334 if (pmic_probe(p))
335 return -1;
336
337 /* BUCK/LDO Output Voltage */
338 max77686_set_ldo_voltage(p, 21, 2800000); /* LDO21 VTF_2.8V */
339 max77686_set_ldo_voltage(p, 23, 3300000); /* LDO23 TSP_AVDD_3.3V*/
340 max77686_set_ldo_voltage(p, 24, 1800000); /* LDO24 TSP_VDD_1.8V */
341
342 /* BUCK/LDO Output Mode */
343 max77686_set_buck_mode(p, 1, OPMODE_STANDBY); /* BUCK1 VMIF_1.1V_AP */
344 max77686_set_buck_mode(p, 2, OPMODE_ON); /* BUCK2 VARM_1.0V_AP */
345 max77686_set_buck_mode(p, 3, OPMODE_ON); /* BUCK3 VINT_1.0V_AP */
346 max77686_set_buck_mode(p, 4, OPMODE_ON); /* BUCK4 VG3D_1.0V_AP */
347 max77686_set_buck_mode(p, 5, OPMODE_ON); /* BUCK5 VMEM_1.2V_AP */
348 max77686_set_buck_mode(p, 6, OPMODE_ON); /* BUCK6 VCC_SUB_1.35V*/
349 max77686_set_buck_mode(p, 7, OPMODE_ON); /* BUCK7 VCC_SUB_2.0V */
350 max77686_set_buck_mode(p, 8, OPMODE_OFF); /* VMEM_VDDF_2.85V */
351 max77686_set_buck_mode(p, 9, OPMODE_OFF); /* CAM_ISP_CORE_1.2V*/
352
353 max77686_set_ldo_mode(p, 1, OPMODE_LPM); /* LDO1 VALIVE_1.0V_AP*/
354 max77686_set_ldo_mode(p, 2, OPMODE_STANDBY); /* LDO2 VM1M2_1.2V_AP */
355 max77686_set_ldo_mode(p, 3, OPMODE_LPM); /* LDO3 VCC_1.8V_AP */
356 max77686_set_ldo_mode(p, 4, OPMODE_LPM); /* LDO4 VCC_2.8V_AP */
357 max77686_set_ldo_mode(p, 5, OPMODE_OFF); /* LDO5_VCC_1.8V_IO */
358 max77686_set_ldo_mode(p, 6, OPMODE_STANDBY); /* LDO6 VMPLL_1.0V_AP */
359 max77686_set_ldo_mode(p, 7, OPMODE_STANDBY); /* LDO7 VPLL_1.0V_AP */
360 max77686_set_ldo_mode(p, 8, OPMODE_LPM); /* LDO8 VMIPI_1.0V_AP */
361 max77686_set_ldo_mode(p, 9, OPMODE_OFF); /* CAM_ISP_MIPI_1.2*/
362 max77686_set_ldo_mode(p, 10, OPMODE_LPM); /* LDO10 VMIPI_1.8V_AP*/
363 max77686_set_ldo_mode(p, 11, OPMODE_STANDBY); /* LDO11 VABB1_1.8V_AP*/
364 max77686_set_ldo_mode(p, 12, OPMODE_LPM); /* LDO12 VUOTG_3.0V_AP*/
365 max77686_set_ldo_mode(p, 13, OPMODE_OFF); /* LDO13 VC2C_1.8V_AP */
366 max77686_set_ldo_mode(p, 14, OPMODE_STANDBY); /* VABB02_1.8V_AP */
367 max77686_set_ldo_mode(p, 15, OPMODE_STANDBY); /* LDO15 VHSIC_1.0V_AP*/
368 max77686_set_ldo_mode(p, 16, OPMODE_STANDBY); /* LDO16 VHSIC_1.8V_AP*/
369 max77686_set_ldo_mode(p, 17, OPMODE_OFF); /* CAM_SENSOR_CORE_1.2*/
370 max77686_set_ldo_mode(p, 18, OPMODE_OFF); /* CAM_ISP_SEN_IO_1.8V*/
371 max77686_set_ldo_mode(p, 19, OPMODE_OFF); /* LDO19 VT_CAM_1.8V */
372 max77686_set_ldo_mode(p, 20, OPMODE_ON); /* LDO20 VDDQ_PRE_1.8V*/
373 max77686_set_ldo_mode(p, 21, OPMODE_OFF); /* LDO21 VTF_2.8V */
374 max77686_set_ldo_mode(p, 22, OPMODE_OFF); /* LDO22 VMEM_VDD_2.8V*/
375 max77686_set_ldo_mode(p, 23, OPMODE_OFF); /* LDO23 TSP_AVDD_3.3V*/
376 max77686_set_ldo_mode(p, 24, OPMODE_OFF); /* LDO24 TSP_VDD_1.8V */
377 max77686_set_ldo_mode(p, 25, OPMODE_OFF); /* LDO25 VCC_3.3V_LCD */
378 max77686_set_ldo_mode(p, 26, OPMODE_OFF); /*LDO26 VCC_3.0V_MOTOR*/
379
380 return 0;
381 }
382
383 /*
384 * LCD
385 */
386
387 #ifdef CONFIG_LCD
388 int mipi_power(void)
389 {
390 struct pmic *p = pmic_get("MAX77686_PMIC");
391
392 /* LDO8 VMIPI_1.0V_AP */
393 max77686_set_ldo_mode(p, 8, OPMODE_ON);
394 /* LDO10 VMIPI_1.8V_AP */
395 max77686_set_ldo_mode(p, 10, OPMODE_ON);
396
397 return 0;
398 }
399
400 void exynos_lcd_power_on(void)
401 {
402 struct pmic *p = pmic_get("MAX77686_PMIC");
403
404 /* LCD_2.2V_EN: GPC0[1] */
405 gpio_request(EXYNOS4X12_GPIO_C01, "lcd_2v2_en");
406 gpio_set_pull(EXYNOS4X12_GPIO_C01, S5P_GPIO_PULL_UP);
407 gpio_direction_output(EXYNOS4X12_GPIO_C01, 1);
408
409 /* LDO25 VCC_3.1V_LCD */
410 pmic_probe(p);
411 max77686_set_ldo_voltage(p, 25, 3100000);
412 max77686_set_ldo_mode(p, 25, OPMODE_LPM);
413 }
414
415 void exynos_reset_lcd(void)
416 {
417 /* reset lcd */
418 gpio_request(EXYNOS4X12_GPIO_F21, "lcd_reset");
419 gpio_direction_output(EXYNOS4X12_GPIO_F21, 0);
420 udelay(10);
421 gpio_set_value(EXYNOS4X12_GPIO_F21, 1);
422 }
423
424 void exynos_lcd_misc_init(vidinfo_t *vid)
425 {
426 #ifdef CONFIG_TIZEN
427 get_tizen_logo_info(vid);
428 #endif
429 #ifdef CONFIG_S6E8AX0
430 s6e8ax0_init();
431 #endif
432 }
433 #endif /* LCD */
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