1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * MFD core driver for Rockchip RK8XX
4 *
5 * Copyright (c) 2014, Fuzhou Rockchip Electronics Co., Ltd
6 * Copyright (C) 2016 PHYTEC Messtechnik GmbH
7 *
8 * Author: Chris Zhong <zyw@rock-chips.com>
9 * Author: Zhang Qing <zhangqing@rock-chips.com>
10 * Author: Wadim Egorov <w.egorov@phytec.de>
11 */
12
13#include <linux/bitfield.h>
14#include <linux/interrupt.h>
15#include <linux/mfd/rk808.h>
16#include <linux/mfd/core.h>
17#include <linux/module.h>
18#include <linux/property.h>
19#include <linux/regmap.h>
20#include <linux/reboot.h>
21
22struct rk808_reg_data {
23 int addr;
24 int mask;
25 int value;
26};
27
28static const struct resource rtc_resources[] = {
29 DEFINE_RES_IRQ(RK808_IRQ_RTC_ALARM),
30};
31
32static const struct resource rk816_rtc_resources[] = {
33 DEFINE_RES_IRQ(RK816_IRQ_RTC_ALARM),
34};
35
36static const struct resource rk817_rtc_resources[] = {
37 DEFINE_RES_IRQ(RK817_IRQ_RTC_ALARM),
38};
39
40static const struct resource rk805_key_resources[] = {
41 DEFINE_RES_IRQ(RK805_IRQ_PWRON_RISE),
42 DEFINE_RES_IRQ(RK805_IRQ_PWRON_FALL),
43};
44
45static struct resource rk806_pwrkey_resources[] = {
46 DEFINE_RES_IRQ(RK806_IRQ_PWRON_FALL),
47 DEFINE_RES_IRQ(RK806_IRQ_PWRON_RISE),
48};
49
50static const struct resource rk817_pwrkey_resources[] = {
51 DEFINE_RES_IRQ(RK817_IRQ_PWRON_FALL),
52 DEFINE_RES_IRQ(RK817_IRQ_PWRON_RISE),
53};
54
55static const struct resource rk817_charger_resources[] = {
56 DEFINE_RES_IRQ(RK817_IRQ_PLUG_IN),
57 DEFINE_RES_IRQ(RK817_IRQ_PLUG_OUT),
58};
59
60static const struct mfd_cell rk805s[] = {
61 { .name = "rk808-clkout", },
62 { .name = "rk808-regulator", },
63 { .name = "rk805-pinctrl", },
64 {
65 .name = "rk808-rtc",
66 .num_resources = ARRAY_SIZE(rtc_resources),
67 .resources = &rtc_resources[0],
68 },
69 { .name = "rk805-pwrkey",
70 .num_resources = ARRAY_SIZE(rk805_key_resources),
71 .resources = &rk805_key_resources[0],
72 },
73};
74
75static const struct mfd_cell rk806s[] = {
76 { .name = "rk805-pinctrl", },
77 { .name = "rk808-regulator", },
78 {
79 .name = "rk805-pwrkey",
80 .resources = rk806_pwrkey_resources,
81 .num_resources = ARRAY_SIZE(rk806_pwrkey_resources),
82 },
83};
84
85static const struct mfd_cell rk808s[] = {
86 { .name = "rk808-clkout", },
87 { .name = "rk808-regulator", },
88 {
89 .name = "rk808-rtc",
90 .num_resources = ARRAY_SIZE(rtc_resources),
91 .resources = rtc_resources,
92 },
93};
94
95static const struct mfd_cell rk816s[] = {
96 { .name = "rk805-pinctrl", },
97 { .name = "rk808-clkout", },
98 { .name = "rk808-regulator", },
99 {
100 .name = "rk805-pwrkey",
101 .num_resources = ARRAY_SIZE(rk805_key_resources),
102 .resources = rk805_key_resources,
103 },
104 {
105 .name = "rk808-rtc",
106 .num_resources = ARRAY_SIZE(rk816_rtc_resources),
107 .resources = rk816_rtc_resources,
108 },
109};
110
111static const struct mfd_cell rk817s[] = {
112 { .name = "rk808-clkout", },
113 { .name = "rk808-regulator", },
114 {
115 .name = "rk805-pwrkey",
116 .num_resources = ARRAY_SIZE(rk817_pwrkey_resources),
117 .resources = &rk817_pwrkey_resources[0],
118 },
119 {
120 .name = "rk808-rtc",
121 .num_resources = ARRAY_SIZE(rk817_rtc_resources),
122 .resources = &rk817_rtc_resources[0],
123 },
124 { .name = "rk817-codec", },
125 {
126 .name = "rk817-charger",
127 .num_resources = ARRAY_SIZE(rk817_charger_resources),
128 .resources = &rk817_charger_resources[0],
129 },
130};
131
132static const struct mfd_cell rk818s[] = {
133 { .name = "rk808-clkout", },
134 { .name = "rk808-regulator", },
135 {
136 .name = "rk808-rtc",
137 .num_resources = ARRAY_SIZE(rtc_resources),
138 .resources = rtc_resources,
139 },
140};
141
142static const struct rk808_reg_data rk805_pre_init_reg[] = {
143 {RK805_BUCK1_CONFIG_REG, RK805_BUCK1_2_ILMAX_MASK,
144 RK805_BUCK1_2_ILMAX_4000MA},
145 {RK805_BUCK2_CONFIG_REG, RK805_BUCK1_2_ILMAX_MASK,
146 RK805_BUCK1_2_ILMAX_4000MA},
147 {RK805_BUCK3_CONFIG_REG, RK805_BUCK3_4_ILMAX_MASK,
148 RK805_BUCK3_ILMAX_3000MA},
149 {RK805_BUCK4_CONFIG_REG, RK805_BUCK3_4_ILMAX_MASK,
150 RK805_BUCK4_ILMAX_3500MA},
151 {RK805_BUCK4_CONFIG_REG, BUCK_ILMIN_MASK, BUCK_ILMIN_400MA},
152 {RK805_THERMAL_REG, TEMP_HOTDIE_MSK, TEMP115C},
153};
154
155static const struct rk808_reg_data rk806_pre_init_reg[] = {
156 { RK806_GPIO_INT_CONFIG, RK806_INT_POL_MSK, RK806_INT_POL_L },
157 { RK806_SYS_CFG3, RK806_SLAVE_RESTART_FUN_MSK, RK806_SLAVE_RESTART_FUN_EN },
158 { RK806_SYS_OPTION, RK806_SYS_ENB2_2M_MSK, RK806_SYS_ENB2_2M_EN },
159};
160
161static const struct rk808_reg_data rk808_pre_init_reg[] = {
162 { RK808_BUCK3_CONFIG_REG, BUCK_ILMIN_MASK, BUCK_ILMIN_150MA },
163 { RK808_BUCK4_CONFIG_REG, BUCK_ILMIN_MASK, BUCK_ILMIN_200MA },
164 { RK808_BOOST_CONFIG_REG, BOOST_ILMIN_MASK, BOOST_ILMIN_100MA },
165 { RK808_BUCK1_CONFIG_REG, BUCK1_RATE_MASK, BUCK_ILMIN_200MA },
166 { RK808_BUCK2_CONFIG_REG, BUCK2_RATE_MASK, BUCK_ILMIN_200MA },
167 { RK808_DCDC_UV_ACT_REG, BUCK_UV_ACT_MASK, BUCK_UV_ACT_DISABLE},
168 { RK808_VB_MON_REG, MASK_ALL, VB_LO_ACT |
169 VB_LO_SEL_3500MV },
170};
171
172static const struct rk808_reg_data rk816_pre_init_reg[] = {
173 { RK818_BUCK1_CONFIG_REG, RK817_RAMP_RATE_MASK,
174 RK817_RAMP_RATE_12_5MV_PER_US },
175 { RK818_BUCK2_CONFIG_REG, RK817_RAMP_RATE_MASK,
176 RK817_RAMP_RATE_12_5MV_PER_US },
177 { RK818_BUCK4_CONFIG_REG, BUCK_ILMIN_MASK, BUCK_ILMIN_250MA },
178 { RK808_THERMAL_REG, TEMP_HOTDIE_MSK, TEMP105C},
179 { RK808_VB_MON_REG, VBAT_LOW_VOL_MASK | VBAT_LOW_ACT_MASK,
180 RK808_VBAT_LOW_3V0 | EN_VABT_LOW_SHUT_DOWN },
181};
182
183static const struct rk808_reg_data rk817_pre_init_reg[] = {
184 {RK817_RTC_CTRL_REG, RTC_STOP, RTC_STOP},
185 /* Codec specific registers */
186 { RK817_CODEC_DTOP_VUCTL, MASK_ALL, 0x03 },
187 { RK817_CODEC_DTOP_VUCTIME, MASK_ALL, 0x00 },
188 { RK817_CODEC_DTOP_LPT_SRST, MASK_ALL, 0x00 },
189 { RK817_CODEC_DTOP_DIGEN_CLKE, MASK_ALL, 0x00 },
190 /* from vendor driver, CODEC_AREF_RTCFG0 not defined in data sheet */
191 { RK817_CODEC_AREF_RTCFG0, MASK_ALL, 0x00 },
192 { RK817_CODEC_AREF_RTCFG1, MASK_ALL, 0x06 },
193 { RK817_CODEC_AADC_CFG0, MASK_ALL, 0xc8 },
194 /* from vendor driver, CODEC_AADC_CFG1 not defined in data sheet */
195 { RK817_CODEC_AADC_CFG1, MASK_ALL, 0x00 },
196 { RK817_CODEC_DADC_VOLL, MASK_ALL, 0x00 },
197 { RK817_CODEC_DADC_VOLR, MASK_ALL, 0x00 },
198 { RK817_CODEC_DADC_SR_ACL0, MASK_ALL, 0x00 },
199 { RK817_CODEC_DADC_ALC1, MASK_ALL, 0x00 },
200 { RK817_CODEC_DADC_ALC2, MASK_ALL, 0x00 },
201 { RK817_CODEC_DADC_NG, MASK_ALL, 0x00 },
202 { RK817_CODEC_DADC_HPF, MASK_ALL, 0x00 },
203 { RK817_CODEC_DADC_RVOLL, MASK_ALL, 0xff },
204 { RK817_CODEC_DADC_RVOLR, MASK_ALL, 0xff },
205 { RK817_CODEC_AMIC_CFG0, MASK_ALL, 0x70 },
206 { RK817_CODEC_AMIC_CFG1, MASK_ALL, 0x00 },
207 { RK817_CODEC_DMIC_PGA_GAIN, MASK_ALL, 0x66 },
208 { RK817_CODEC_DMIC_LMT1, MASK_ALL, 0x00 },
209 { RK817_CODEC_DMIC_LMT2, MASK_ALL, 0x00 },
210 { RK817_CODEC_DMIC_NG1, MASK_ALL, 0x00 },
211 { RK817_CODEC_DMIC_NG2, MASK_ALL, 0x00 },
212 /* from vendor driver, CODEC_ADAC_CFG0 not defined in data sheet */
213 { RK817_CODEC_ADAC_CFG0, MASK_ALL, 0x00 },
214 { RK817_CODEC_ADAC_CFG1, MASK_ALL, 0x07 },
215 { RK817_CODEC_DDAC_POPD_DACST, MASK_ALL, 0x82 },
216 { RK817_CODEC_DDAC_VOLL, MASK_ALL, 0x00 },
217 { RK817_CODEC_DDAC_VOLR, MASK_ALL, 0x00 },
218 { RK817_CODEC_DDAC_SR_LMT0, MASK_ALL, 0x00 },
219 { RK817_CODEC_DDAC_LMT1, MASK_ALL, 0x00 },
220 { RK817_CODEC_DDAC_LMT2, MASK_ALL, 0x00 },
221 { RK817_CODEC_DDAC_MUTE_MIXCTL, MASK_ALL, 0xa0 },
222 { RK817_CODEC_DDAC_RVOLL, MASK_ALL, 0xff },
223 { RK817_CODEC_DADC_RVOLR, MASK_ALL, 0xff },
224 { RK817_CODEC_AMIC_CFG0, MASK_ALL, 0x70 },
225 { RK817_CODEC_AMIC_CFG1, MASK_ALL, 0x00 },
226 { RK817_CODEC_DMIC_PGA_GAIN, MASK_ALL, 0x66 },
227 { RK817_CODEC_DMIC_LMT1, MASK_ALL, 0x00 },
228 { RK817_CODEC_DMIC_LMT2, MASK_ALL, 0x00 },
229 { RK817_CODEC_DMIC_NG1, MASK_ALL, 0x00 },
230 { RK817_CODEC_DMIC_NG2, MASK_ALL, 0x00 },
231 /* from vendor driver, CODEC_ADAC_CFG0 not defined in data sheet */
232 { RK817_CODEC_ADAC_CFG0, MASK_ALL, 0x00 },
233 { RK817_CODEC_ADAC_CFG1, MASK_ALL, 0x07 },
234 { RK817_CODEC_DDAC_POPD_DACST, MASK_ALL, 0x82 },
235 { RK817_CODEC_DDAC_VOLL, MASK_ALL, 0x00 },
236 { RK817_CODEC_DDAC_VOLR, MASK_ALL, 0x00 },
237 { RK817_CODEC_DDAC_SR_LMT0, MASK_ALL, 0x00 },
238 { RK817_CODEC_DDAC_LMT1, MASK_ALL, 0x00 },
239 { RK817_CODEC_DDAC_LMT2, MASK_ALL, 0x00 },
240 { RK817_CODEC_DDAC_MUTE_MIXCTL, MASK_ALL, 0xa0 },
241 { RK817_CODEC_DDAC_RVOLL, MASK_ALL, 0xff },
242 { RK817_CODEC_DDAC_RVOLR, MASK_ALL, 0xff },
243 { RK817_CODEC_AHP_ANTI0, MASK_ALL, 0x00 },
244 { RK817_CODEC_AHP_ANTI1, MASK_ALL, 0x00 },
245 { RK817_CODEC_AHP_CFG0, MASK_ALL, 0xe0 },
246 { RK817_CODEC_AHP_CFG1, MASK_ALL, 0x1f },
247 { RK817_CODEC_AHP_CP, MASK_ALL, 0x09 },
248 { RK817_CODEC_ACLASSD_CFG1, MASK_ALL, 0x69 },
249 { RK817_CODEC_ACLASSD_CFG2, MASK_ALL, 0x44 },
250 { RK817_CODEC_APLL_CFG0, MASK_ALL, 0x04 },
251 { RK817_CODEC_APLL_CFG1, MASK_ALL, 0x00 },
252 { RK817_CODEC_APLL_CFG2, MASK_ALL, 0x30 },
253 { RK817_CODEC_APLL_CFG3, MASK_ALL, 0x19 },
254 { RK817_CODEC_APLL_CFG4, MASK_ALL, 0x65 },
255 { RK817_CODEC_APLL_CFG5, MASK_ALL, 0x01 },
256 { RK817_CODEC_DI2S_CKM, MASK_ALL, 0x01 },
257 { RK817_CODEC_DI2S_RSD, MASK_ALL, 0x00 },
258 { RK817_CODEC_DI2S_RXCR1, MASK_ALL, 0x00 },
259 { RK817_CODEC_DI2S_RXCR2, MASK_ALL, 0x17 },
260 { RK817_CODEC_DI2S_RXCMD_TSD, MASK_ALL, 0x00 },
261 { RK817_CODEC_DI2S_TXCR1, MASK_ALL, 0x00 },
262 { RK817_CODEC_DI2S_TXCR2, MASK_ALL, 0x17 },
263 { RK817_CODEC_DI2S_TXCR3_TXCMD, MASK_ALL, 0x00 },
264 {RK817_GPIO_INT_CFG, RK817_INT_POL_MSK, RK817_INT_POL_L},
265 {RK817_SYS_CFG(1), RK817_HOTDIE_TEMP_MSK | RK817_TSD_TEMP_MSK,
266 RK817_HOTDIE_105 | RK817_TSD_140},
267};
268
269static const struct rk808_reg_data rk818_pre_init_reg[] = {
270 /* improve efficiency */
271 { RK818_BUCK2_CONFIG_REG, BUCK2_RATE_MASK, BUCK_ILMIN_250MA },
272 { RK818_BUCK4_CONFIG_REG, BUCK_ILMIN_MASK, BUCK_ILMIN_250MA },
273 { RK818_BOOST_CONFIG_REG, BOOST_ILMIN_MASK, BOOST_ILMIN_100MA },
274 { RK818_USB_CTRL_REG, RK818_USB_ILIM_SEL_MASK,
275 RK818_USB_ILMIN_2000MA },
276 /* close charger when usb lower then 3.4V */
277 { RK818_USB_CTRL_REG, RK818_USB_CHG_SD_VSEL_MASK,
278 (0x7 << 4) },
279 /* no action when vref */
280 { RK818_H5V_EN_REG, BIT(1), RK818_REF_RDY_CTRL },
281 /* enable HDMI 5V */
282 { RK818_H5V_EN_REG, BIT(0), RK818_H5V_EN },
283 { RK808_VB_MON_REG, MASK_ALL, VB_LO_ACT |
284 VB_LO_SEL_3500MV },
285};
286
287static const struct regmap_irq rk805_irqs[] = {
288 [RK805_IRQ_PWRON_RISE] = {
289 .mask = RK805_IRQ_PWRON_RISE_MSK,
290 .reg_offset = 0,
291 },
292 [RK805_IRQ_VB_LOW] = {
293 .mask = RK805_IRQ_VB_LOW_MSK,
294 .reg_offset = 0,
295 },
296 [RK805_IRQ_PWRON] = {
297 .mask = RK805_IRQ_PWRON_MSK,
298 .reg_offset = 0,
299 },
300 [RK805_IRQ_PWRON_LP] = {
301 .mask = RK805_IRQ_PWRON_LP_MSK,
302 .reg_offset = 0,
303 },
304 [RK805_IRQ_HOTDIE] = {
305 .mask = RK805_IRQ_HOTDIE_MSK,
306 .reg_offset = 0,
307 },
308 [RK805_IRQ_RTC_ALARM] = {
309 .mask = RK805_IRQ_RTC_ALARM_MSK,
310 .reg_offset = 0,
311 },
312 [RK805_IRQ_RTC_PERIOD] = {
313 .mask = RK805_IRQ_RTC_PERIOD_MSK,
314 .reg_offset = 0,
315 },
316 [RK805_IRQ_PWRON_FALL] = {
317 .mask = RK805_IRQ_PWRON_FALL_MSK,
318 .reg_offset = 0,
319 },
320};
321
322static const struct regmap_irq rk806_irqs[] = {
323 /* INT_STS0 IRQs */
324 REGMAP_IRQ_REG(RK806_IRQ_PWRON_FALL, 0, RK806_INT_STS_PWRON_FALL),
325 REGMAP_IRQ_REG(RK806_IRQ_PWRON_RISE, 0, RK806_INT_STS_PWRON_RISE),
326 REGMAP_IRQ_REG(RK806_IRQ_PWRON, 0, RK806_INT_STS_PWRON),
327 REGMAP_IRQ_REG(RK806_IRQ_PWRON_LP, 0, RK806_INT_STS_PWRON_LP),
328 REGMAP_IRQ_REG(RK806_IRQ_HOTDIE, 0, RK806_INT_STS_HOTDIE),
329 REGMAP_IRQ_REG(RK806_IRQ_VDC_RISE, 0, RK806_INT_STS_VDC_RISE),
330 REGMAP_IRQ_REG(RK806_IRQ_VDC_FALL, 0, RK806_INT_STS_VDC_FALL),
331 REGMAP_IRQ_REG(RK806_IRQ_VB_LO, 0, RK806_INT_STS_VB_LO),
332 /* INT_STS1 IRQs */
333 REGMAP_IRQ_REG(RK806_IRQ_REV0, 1, RK806_INT_STS_REV0),
334 REGMAP_IRQ_REG(RK806_IRQ_REV1, 1, RK806_INT_STS_REV1),
335 REGMAP_IRQ_REG(RK806_IRQ_REV2, 1, RK806_INT_STS_REV2),
336 REGMAP_IRQ_REG(RK806_IRQ_CRC_ERROR, 1, RK806_INT_STS_CRC_ERROR),
337 REGMAP_IRQ_REG(RK806_IRQ_SLP3_GPIO, 1, RK806_INT_STS_SLP3_GPIO),
338 REGMAP_IRQ_REG(RK806_IRQ_SLP2_GPIO, 1, RK806_INT_STS_SLP2_GPIO),
339 REGMAP_IRQ_REG(RK806_IRQ_SLP1_GPIO, 1, RK806_INT_STS_SLP1_GPIO),
340 REGMAP_IRQ_REG(RK806_IRQ_WDT, 1, RK806_INT_STS_WDT),
341};
342
343static const struct regmap_irq rk808_irqs[] = {
344 /* INT_STS */
345 [RK808_IRQ_VOUT_LO] = {
346 .mask = RK808_IRQ_VOUT_LO_MSK,
347 .reg_offset = 0,
348 },
349 [RK808_IRQ_VB_LO] = {
350 .mask = RK808_IRQ_VB_LO_MSK,
351 .reg_offset = 0,
352 },
353 [RK808_IRQ_PWRON] = {
354 .mask = RK808_IRQ_PWRON_MSK,
355 .reg_offset = 0,
356 },
357 [RK808_IRQ_PWRON_LP] = {
358 .mask = RK808_IRQ_PWRON_LP_MSK,
359 .reg_offset = 0,
360 },
361 [RK808_IRQ_HOTDIE] = {
362 .mask = RK808_IRQ_HOTDIE_MSK,
363 .reg_offset = 0,
364 },
365 [RK808_IRQ_RTC_ALARM] = {
366 .mask = RK808_IRQ_RTC_ALARM_MSK,
367 .reg_offset = 0,
368 },
369 [RK808_IRQ_RTC_PERIOD] = {
370 .mask = RK808_IRQ_RTC_PERIOD_MSK,
371 .reg_offset = 0,
372 },
373
374 /* INT_STS2 */
375 [RK808_IRQ_PLUG_IN_INT] = {
376 .mask = RK808_IRQ_PLUG_IN_INT_MSK,
377 .reg_offset = 1,
378 },
379 [RK808_IRQ_PLUG_OUT_INT] = {
380 .mask = RK808_IRQ_PLUG_OUT_INT_MSK,
381 .reg_offset = 1,
382 },
383};
384
385static const unsigned int rk816_irq_status_offsets[] = {
386 RK816_IRQ_STS_OFFSET(RK816_INT_STS_REG1),
387 RK816_IRQ_STS_OFFSET(RK816_INT_STS_REG2),
388 RK816_IRQ_STS_OFFSET(RK816_INT_STS_REG3),
389};
390
391static const unsigned int rk816_irq_mask_offsets[] = {
392 RK816_IRQ_MSK_OFFSET(RK816_INT_STS_MSK_REG1),
393 RK816_IRQ_MSK_OFFSET(RK816_INT_STS_MSK_REG2),
394 RK816_IRQ_MSK_OFFSET(RK816_INT_STS_MSK_REG3),
395};
396
397static unsigned int rk816_get_irq_reg(struct regmap_irq_chip_data *data,
398 unsigned int base, int index)
399{
400 unsigned int irq_reg = base;
401
402 switch (base) {
403 case RK816_INT_STS_REG1:
404 irq_reg += rk816_irq_status_offsets[index];
405 break;
406 case RK816_INT_STS_MSK_REG1:
407 irq_reg += rk816_irq_mask_offsets[index];
408 break;
409 }
410
411 return irq_reg;
412};
413
414static const struct regmap_irq rk816_irqs[] = {
415 /* INT_STS_REG1 IRQs */
416 REGMAP_IRQ_REG(RK816_IRQ_PWRON_FALL, 0, RK816_INT_STS_PWRON_FALL),
417 REGMAP_IRQ_REG(RK816_IRQ_PWRON_RISE, 0, RK816_INT_STS_PWRON_RISE),
418
419 /* INT_STS_REG2 IRQs */
420 REGMAP_IRQ_REG(RK816_IRQ_VB_LOW, 1, RK816_INT_STS_VB_LOW),
421 REGMAP_IRQ_REG(RK816_IRQ_PWRON, 1, RK816_INT_STS_PWRON),
422 REGMAP_IRQ_REG(RK816_IRQ_PWRON_LP, 1, RK816_INT_STS_PWRON_LP),
423 REGMAP_IRQ_REG(RK816_IRQ_HOTDIE, 1, RK816_INT_STS_HOTDIE),
424 REGMAP_IRQ_REG(RK816_IRQ_RTC_ALARM, 1, RK816_INT_STS_RTC_ALARM),
425 REGMAP_IRQ_REG(RK816_IRQ_RTC_PERIOD, 1, RK816_INT_STS_RTC_PERIOD),
426 REGMAP_IRQ_REG(RK816_IRQ_USB_OV, 1, RK816_INT_STS_USB_OV),
427
428 /* INT_STS3 IRQs */
429 REGMAP_IRQ_REG(RK816_IRQ_PLUG_IN, 2, RK816_INT_STS_PLUG_IN),
430 REGMAP_IRQ_REG(RK816_IRQ_PLUG_OUT, 2, RK816_INT_STS_PLUG_OUT),
431 REGMAP_IRQ_REG(RK816_IRQ_CHG_OK, 2, RK816_INT_STS_CHG_OK),
432 REGMAP_IRQ_REG(RK816_IRQ_CHG_TE, 2, RK816_INT_STS_CHG_TE),
433 REGMAP_IRQ_REG(RK816_IRQ_CHG_TS, 2, RK816_INT_STS_CHG_TS),
434 REGMAP_IRQ_REG(RK816_IRQ_CHG_CVTLIM, 2, RK816_INT_STS_CHG_CVTLIM),
435 REGMAP_IRQ_REG(RK816_IRQ_DISCHG_ILIM, 2, RK816_INT_STS_DISCHG_ILIM),
436};
437
438static const struct regmap_irq rk818_irqs[] = {
439 /* INT_STS */
440 [RK818_IRQ_VOUT_LO] = {
441 .mask = RK818_IRQ_VOUT_LO_MSK,
442 .reg_offset = 0,
443 },
444 [RK818_IRQ_VB_LO] = {
445 .mask = RK818_IRQ_VB_LO_MSK,
446 .reg_offset = 0,
447 },
448 [RK818_IRQ_PWRON] = {
449 .mask = RK818_IRQ_PWRON_MSK,
450 .reg_offset = 0,
451 },
452 [RK818_IRQ_PWRON_LP] = {
453 .mask = RK818_IRQ_PWRON_LP_MSK,
454 .reg_offset = 0,
455 },
456 [RK818_IRQ_HOTDIE] = {
457 .mask = RK818_IRQ_HOTDIE_MSK,
458 .reg_offset = 0,
459 },
460 [RK818_IRQ_RTC_ALARM] = {
461 .mask = RK818_IRQ_RTC_ALARM_MSK,
462 .reg_offset = 0,
463 },
464 [RK818_IRQ_RTC_PERIOD] = {
465 .mask = RK818_IRQ_RTC_PERIOD_MSK,
466 .reg_offset = 0,
467 },
468 [RK818_IRQ_USB_OV] = {
469 .mask = RK818_IRQ_USB_OV_MSK,
470 .reg_offset = 0,
471 },
472
473 /* INT_STS2 */
474 [RK818_IRQ_PLUG_IN] = {
475 .mask = RK818_IRQ_PLUG_IN_MSK,
476 .reg_offset = 1,
477 },
478 [RK818_IRQ_PLUG_OUT] = {
479 .mask = RK818_IRQ_PLUG_OUT_MSK,
480 .reg_offset = 1,
481 },
482 [RK818_IRQ_CHG_OK] = {
483 .mask = RK818_IRQ_CHG_OK_MSK,
484 .reg_offset = 1,
485 },
486 [RK818_IRQ_CHG_TE] = {
487 .mask = RK818_IRQ_CHG_TE_MSK,
488 .reg_offset = 1,
489 },
490 [RK818_IRQ_CHG_TS1] = {
491 .mask = RK818_IRQ_CHG_TS1_MSK,
492 .reg_offset = 1,
493 },
494 [RK818_IRQ_TS2] = {
495 .mask = RK818_IRQ_TS2_MSK,
496 .reg_offset = 1,
497 },
498 [RK818_IRQ_CHG_CVTLIM] = {
499 .mask = RK818_IRQ_CHG_CVTLIM_MSK,
500 .reg_offset = 1,
501 },
502 [RK818_IRQ_DISCHG_ILIM] = {
503 .mask = RK818_IRQ_DISCHG_ILIM_MSK,
504 .reg_offset = 1,
505 },
506};
507
508static const struct regmap_irq rk817_irqs[RK817_IRQ_END] = {
509 REGMAP_IRQ_REG_LINE(0, 8),
510 REGMAP_IRQ_REG_LINE(1, 8),
511 REGMAP_IRQ_REG_LINE(2, 8),
512 REGMAP_IRQ_REG_LINE(3, 8),
513 REGMAP_IRQ_REG_LINE(4, 8),
514 REGMAP_IRQ_REG_LINE(5, 8),
515 REGMAP_IRQ_REG_LINE(6, 8),
516 REGMAP_IRQ_REG_LINE(7, 8),
517 REGMAP_IRQ_REG_LINE(8, 8),
518 REGMAP_IRQ_REG_LINE(9, 8),
519 REGMAP_IRQ_REG_LINE(10, 8),
520 REGMAP_IRQ_REG_LINE(11, 8),
521 REGMAP_IRQ_REG_LINE(12, 8),
522 REGMAP_IRQ_REG_LINE(13, 8),
523 REGMAP_IRQ_REG_LINE(14, 8),
524 REGMAP_IRQ_REG_LINE(15, 8),
525 REGMAP_IRQ_REG_LINE(16, 8),
526 REGMAP_IRQ_REG_LINE(17, 8),
527 REGMAP_IRQ_REG_LINE(18, 8),
528 REGMAP_IRQ_REG_LINE(19, 8),
529 REGMAP_IRQ_REG_LINE(20, 8),
530 REGMAP_IRQ_REG_LINE(21, 8),
531 REGMAP_IRQ_REG_LINE(22, 8),
532 REGMAP_IRQ_REG_LINE(23, 8)
533};
534
535static const struct regmap_irq_chip rk805_irq_chip = {
536 .name = "rk805",
537 .irqs = rk805_irqs,
538 .num_irqs = ARRAY_SIZE(rk805_irqs),
539 .num_regs = 1,
540 .status_base = RK805_INT_STS_REG,
541 .mask_base = RK805_INT_STS_MSK_REG,
542 .ack_base = RK805_INT_STS_REG,
543 .init_ack_masked = true,
544};
545
546static const struct regmap_irq_chip rk806_irq_chip = {
547 .name = "rk806",
548 .irqs = rk806_irqs,
549 .num_irqs = ARRAY_SIZE(rk806_irqs),
550 .num_regs = 2,
551 .irq_reg_stride = 2,
552 .mask_base = RK806_INT_MSK0,
553 .status_base = RK806_INT_STS0,
554 .ack_base = RK806_INT_STS0,
555 .init_ack_masked = true,
556};
557
558static const struct regmap_irq_chip rk808_irq_chip = {
559 .name = "rk808",
560 .irqs = rk808_irqs,
561 .num_irqs = ARRAY_SIZE(rk808_irqs),
562 .num_regs = 2,
563 .irq_reg_stride = 2,
564 .status_base = RK808_INT_STS_REG1,
565 .mask_base = RK808_INT_STS_MSK_REG1,
566 .ack_base = RK808_INT_STS_REG1,
567 .init_ack_masked = true,
568};
569
570static const struct regmap_irq_chip rk816_irq_chip = {
571 .name = "rk816",
572 .irqs = rk816_irqs,
573 .num_irqs = ARRAY_SIZE(rk816_irqs),
574 .num_regs = 3,
575 .get_irq_reg = rk816_get_irq_reg,
576 .status_base = RK816_INT_STS_REG1,
577 .mask_base = RK816_INT_STS_MSK_REG1,
578 .ack_base = RK816_INT_STS_REG1,
579 .init_ack_masked = true,
580};
581
582static const struct regmap_irq_chip rk817_irq_chip = {
583 .name = "rk817",
584 .irqs = rk817_irqs,
585 .num_irqs = ARRAY_SIZE(rk817_irqs),
586 .num_regs = 3,
587 .irq_reg_stride = 2,
588 .status_base = RK817_INT_STS_REG0,
589 .mask_base = RK817_INT_STS_MSK_REG0,
590 .ack_base = RK817_INT_STS_REG0,
591 .init_ack_masked = true,
592};
593
594static const struct regmap_irq_chip rk818_irq_chip = {
595 .name = "rk818",
596 .irqs = rk818_irqs,
597 .num_irqs = ARRAY_SIZE(rk818_irqs),
598 .num_regs = 2,
599 .irq_reg_stride = 2,
600 .status_base = RK818_INT_STS_REG1,
601 .mask_base = RK818_INT_STS_MSK_REG1,
602 .ack_base = RK818_INT_STS_REG1,
603 .init_ack_masked = true,
604};
605
606static int rk808_power_off(struct sys_off_data *data)
607{
608 struct rk808 *rk808 = data->cb_data;
609 int ret;
610 unsigned int reg, bit;
611
612 switch (rk808->variant) {
613 case RK805_ID:
614 reg = RK805_DEV_CTRL_REG;
615 bit = DEV_OFF;
616 break;
617 case RK806_ID:
618 reg = RK806_SYS_CFG3;
619 bit = DEV_OFF;
620 break;
621 case RK808_ID:
622 reg = RK808_DEVCTRL_REG;
623 bit = DEV_OFF_RST;
624 break;
625 case RK809_ID:
626 case RK817_ID:
627 reg = RK817_SYS_CFG(3);
628 bit = DEV_OFF;
629 break;
630 case RK816_ID:
631 case RK818_ID:
632 reg = RK818_DEVCTRL_REG;
633 bit = DEV_OFF;
634 break;
635 default:
636 return NOTIFY_DONE;
637 }
638 ret = regmap_update_bits(map: rk808->regmap, reg, mask: bit, val: bit);
639 if (ret)
640 dev_err(rk808->dev, "Failed to shutdown device!\n");
641
642 return NOTIFY_DONE;
643}
644
645static int rk808_restart(struct sys_off_data *data)
646{
647 struct rk808 *rk808 = data->cb_data;
648 unsigned int reg, bit;
649 int ret;
650
651 switch (rk808->variant) {
652 case RK809_ID:
653 case RK817_ID:
654 reg = RK817_SYS_CFG(3);
655 bit = DEV_RST;
656 break;
657
658 default:
659 return NOTIFY_DONE;
660 }
661 ret = regmap_update_bits(map: rk808->regmap, reg, mask: bit, val: bit);
662 if (ret)
663 dev_err(rk808->dev, "Failed to restart device!\n");
664
665 return NOTIFY_DONE;
666}
667
668void rk8xx_shutdown(struct device *dev)
669{
670 struct rk808 *rk808 = dev_get_drvdata(dev);
671 int ret;
672
673 switch (rk808->variant) {
674 case RK805_ID:
675 ret = regmap_update_bits(map: rk808->regmap,
676 RK805_GPIO_IO_POL_REG,
677 SLP_SD_MSK,
678 SHUTDOWN_FUN);
679 break;
680 case RK809_ID:
681 case RK817_ID:
682 ret = regmap_update_bits(map: rk808->regmap,
683 RK817_SYS_CFG(3),
684 RK817_SLPPIN_FUNC_MSK,
685 SLPPIN_DN_FUN);
686 break;
687 default:
688 return;
689 }
690 if (ret)
691 dev_warn(dev,
692 "Cannot switch to power down function\n");
693}
694EXPORT_SYMBOL_GPL(rk8xx_shutdown);
695
696int rk8xx_probe(struct device *dev, int variant, unsigned int irq, struct regmap *regmap)
697{
698 struct rk808 *rk808;
699 const struct rk808_reg_data *pre_init_reg;
700 const struct mfd_cell *cells;
701 int dual_support = 0;
702 int nr_pre_init_regs;
703 u32 rst_fun = 0;
704 int nr_cells;
705 int ret;
706 int i;
707
708 rk808 = devm_kzalloc(dev, size: sizeof(*rk808), GFP_KERNEL);
709 if (!rk808)
710 return -ENOMEM;
711 rk808->dev = dev;
712 rk808->variant = variant;
713 rk808->regmap = regmap;
714 dev_set_drvdata(dev, data: rk808);
715
716 switch (rk808->variant) {
717 case RK805_ID:
718 rk808->regmap_irq_chip = &rk805_irq_chip;
719 pre_init_reg = rk805_pre_init_reg;
720 nr_pre_init_regs = ARRAY_SIZE(rk805_pre_init_reg);
721 cells = rk805s;
722 nr_cells = ARRAY_SIZE(rk805s);
723 break;
724 case RK806_ID:
725 rk808->regmap_irq_chip = &rk806_irq_chip;
726 pre_init_reg = rk806_pre_init_reg;
727 nr_pre_init_regs = ARRAY_SIZE(rk806_pre_init_reg);
728 cells = rk806s;
729 nr_cells = ARRAY_SIZE(rk806s);
730 dual_support = IRQF_SHARED;
731
732 ret = device_property_read_u32(dev, propname: "rockchip,reset-mode", val: &rst_fun);
733 if (ret)
734 break;
735
736 ret = regmap_update_bits(map: rk808->regmap, RK806_SYS_CFG3, RK806_RST_FUN_MSK,
737 FIELD_PREP(RK806_RST_FUN_MSK, rst_fun));
738 if (ret)
739 return dev_err_probe(dev, err: ret,
740 fmt: "Failed to configure requested restart/reset behavior\n");
741 break;
742 case RK808_ID:
743 rk808->regmap_irq_chip = &rk808_irq_chip;
744 pre_init_reg = rk808_pre_init_reg;
745 nr_pre_init_regs = ARRAY_SIZE(rk808_pre_init_reg);
746 cells = rk808s;
747 nr_cells = ARRAY_SIZE(rk808s);
748 break;
749 case RK816_ID:
750 rk808->regmap_irq_chip = &rk816_irq_chip;
751 pre_init_reg = rk816_pre_init_reg;
752 nr_pre_init_regs = ARRAY_SIZE(rk816_pre_init_reg);
753 cells = rk816s;
754 nr_cells = ARRAY_SIZE(rk816s);
755 break;
756 case RK818_ID:
757 rk808->regmap_irq_chip = &rk818_irq_chip;
758 pre_init_reg = rk818_pre_init_reg;
759 nr_pre_init_regs = ARRAY_SIZE(rk818_pre_init_reg);
760 cells = rk818s;
761 nr_cells = ARRAY_SIZE(rk818s);
762 break;
763 case RK809_ID:
764 case RK817_ID:
765 rk808->regmap_irq_chip = &rk817_irq_chip;
766 pre_init_reg = rk817_pre_init_reg;
767 nr_pre_init_regs = ARRAY_SIZE(rk817_pre_init_reg);
768 cells = rk817s;
769 nr_cells = ARRAY_SIZE(rk817s);
770 break;
771 default:
772 dev_err(dev, "Unsupported RK8XX ID %lu\n", rk808->variant);
773 return -EINVAL;
774 }
775
776 if (!irq)
777 return dev_err_probe(dev, err: -EINVAL, fmt: "No interrupt support, no core IRQ\n");
778
779 ret = devm_regmap_add_irq_chip(dev, map: rk808->regmap, irq,
780 IRQF_ONESHOT | dual_support, irq_base: -1,
781 chip: rk808->regmap_irq_chip, data: &rk808->irq_data);
782 if (ret)
783 return dev_err_probe(dev, err: ret, fmt: "Failed to add irq_chip\n");
784
785 for (i = 0; i < nr_pre_init_regs; i++) {
786 ret = regmap_update_bits(map: rk808->regmap,
787 reg: pre_init_reg[i].addr,
788 mask: pre_init_reg[i].mask,
789 val: pre_init_reg[i].value);
790 if (ret)
791 return dev_err_probe(dev, err: ret, fmt: "0x%x write err\n",
792 pre_init_reg[i].addr);
793 }
794
795 ret = devm_mfd_add_devices(dev, PLATFORM_DEVID_AUTO, cells, n_devs: nr_cells, NULL, irq_base: 0,
796 irq_domain: regmap_irq_get_domain(data: rk808->irq_data));
797 if (ret)
798 return dev_err_probe(dev, err: ret, fmt: "failed to add MFD devices\n");
799
800 if (device_property_read_bool(dev, propname: "system-power-controller") ||
801 device_property_read_bool(dev, propname: "rockchip,system-power-controller")) {
802 ret = devm_register_sys_off_handler(dev,
803 mode: SYS_OFF_MODE_POWER_OFF_PREPARE, SYS_OFF_PRIO_HIGH,
804 callback: &rk808_power_off, cb_data: rk808);
805 if (ret)
806 return dev_err_probe(dev, err: ret,
807 fmt: "failed to register poweroff handler\n");
808
809 switch (rk808->variant) {
810 case RK809_ID:
811 case RK817_ID:
812 ret = devm_register_sys_off_handler(dev,
813 mode: SYS_OFF_MODE_RESTART, SYS_OFF_PRIO_HIGH,
814 callback: &rk808_restart, cb_data: rk808);
815 if (ret)
816 dev_warn(dev, "failed to register rst handler, %d\n", ret);
817 break;
818 default:
819 dev_dbg(dev, "pmic controlled board reset not supported\n");
820 break;
821 }
822 }
823
824 return 0;
825}
826EXPORT_SYMBOL_GPL(rk8xx_probe);
827
828int rk8xx_suspend(struct device *dev)
829{
830 struct rk808 *rk808 = dev_get_drvdata(dev);
831 int ret = 0;
832
833 switch (rk808->variant) {
834 case RK805_ID:
835 ret = regmap_update_bits(map: rk808->regmap,
836 RK805_GPIO_IO_POL_REG,
837 SLP_SD_MSK,
838 SLEEP_FUN);
839 break;
840 case RK809_ID:
841 case RK817_ID:
842 ret = regmap_update_bits(map: rk808->regmap,
843 RK817_SYS_CFG(3),
844 RK817_SLPPIN_FUNC_MSK,
845 SLPPIN_SLP_FUN);
846 break;
847 default:
848 break;
849 }
850
851 return ret;
852}
853EXPORT_SYMBOL_GPL(rk8xx_suspend);
854
855int rk8xx_resume(struct device *dev)
856{
857 struct rk808 *rk808 = dev_get_drvdata(dev);
858 int ret = 0;
859
860 switch (rk808->variant) {
861 case RK809_ID:
862 case RK817_ID:
863 ret = regmap_update_bits(map: rk808->regmap,
864 RK817_SYS_CFG(3),
865 RK817_SLPPIN_FUNC_MSK,
866 SLPPIN_NULL_FUN);
867 break;
868 default:
869 break;
870 }
871
872 return ret;
873}
874EXPORT_SYMBOL_GPL(rk8xx_resume);
875
876MODULE_LICENSE("GPL");
877MODULE_AUTHOR("Chris Zhong <zyw@rock-chips.com>");
878MODULE_AUTHOR("Zhang Qing <zhangqing@rock-chips.com>");
879MODULE_AUTHOR("Wadim Egorov <w.egorov@phytec.de>");
880MODULE_DESCRIPTION("RK8xx PMIC core");
881

source code of linux/drivers/mfd/rk8xx-core.c