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2025cf9e | 1 | // SPDX-License-Identifier: GPL-2.0-only |
f69a7cf7 | 2 | /* |
2eedcbfc | 3 | * MFD core driver for Rockchip RK808/RK818 |
f69a7cf7 CZ |
4 | * |
5 | * Copyright (c) 2014, Fuzhou Rockchip Electronics Co., Ltd | |
6 | * | |
7 | * Author: Chris Zhong <zyw@rock-chips.com> | |
8 | * Author: Zhang Qing <zhangqing@rock-chips.com> | |
9 | * | |
2eedcbfc WE |
10 | * Copyright (C) 2016 PHYTEC Messtechnik GmbH |
11 | * | |
12 | * Author: Wadim Egorov <w.egorov@phytec.de> | |
f69a7cf7 CZ |
13 | */ |
14 | ||
15 | #include <linux/i2c.h> | |
16 | #include <linux/interrupt.h> | |
17 | #include <linux/mfd/rk808.h> | |
18 | #include <linux/mfd/core.h> | |
19 | #include <linux/module.h> | |
2eedcbfc | 20 | #include <linux/of_device.h> |
f69a7cf7 CZ |
21 | #include <linux/regmap.h> |
22 | ||
23 | struct rk808_reg_data { | |
24 | int addr; | |
25 | int mask; | |
26 | int value; | |
27 | }; | |
28 | ||
2adb3b8e DA |
29 | static bool rk808_is_volatile_reg(struct device *dev, unsigned int reg) |
30 | { | |
31 | /* | |
32 | * Notes: | |
33 | * - Technically the ROUND_30s bit makes RTC_CTRL_REG volatile, but | |
34 | * we don't use that feature. It's better to cache. | |
35 | * - It's unlikely we care that RK808_DEVCTRL_REG is volatile since | |
36 | * bits are cleared in case when we shutoff anyway, but better safe. | |
37 | */ | |
38 | ||
39 | switch (reg) { | |
40 | case RK808_SECONDS_REG ... RK808_WEEKS_REG: | |
41 | case RK808_RTC_STATUS_REG: | |
42 | case RK808_VB_MON_REG: | |
43 | case RK808_THERMAL_REG: | |
44 | case RK808_DCDC_UV_STS_REG: | |
45 | case RK808_LDO_UV_STS_REG: | |
46 | case RK808_DCDC_PG_REG: | |
47 | case RK808_LDO_PG_REG: | |
48 | case RK808_DEVCTRL_REG: | |
49 | case RK808_INT_STS_REG1: | |
50 | case RK808_INT_STS_REG2: | |
51 | return true; | |
52 | } | |
53 | ||
54 | return false; | |
55 | } | |
56 | ||
586c1b41 TX |
57 | static bool rk817_is_volatile_reg(struct device *dev, unsigned int reg) |
58 | { | |
59 | /* | |
60 | * Notes: | |
61 | * - Technically the ROUND_30s bit makes RTC_CTRL_REG volatile, but | |
62 | * we don't use that feature. It's better to cache. | |
63 | */ | |
64 | ||
65 | switch (reg) { | |
66 | case RK817_SECONDS_REG ... RK817_WEEKS_REG: | |
67 | case RK817_RTC_STATUS_REG: | |
4a1c456a | 68 | case RK817_CODEC_DTOP_LPT_SRST: |
586c1b41 TX |
69 | case RK817_INT_STS_REG0: |
70 | case RK817_INT_STS_REG1: | |
71 | case RK817_INT_STS_REG2: | |
72 | case RK817_SYS_STS: | |
73 | return true; | |
74 | } | |
75 | ||
76 | return true; | |
77 | } | |
78 | ||
2eedcbfc WE |
79 | static const struct regmap_config rk818_regmap_config = { |
80 | .reg_bits = 8, | |
81 | .val_bits = 8, | |
82 | .max_register = RK818_USB_CTRL_REG, | |
83 | .cache_type = REGCACHE_RBTREE, | |
84 | .volatile_reg = rk808_is_volatile_reg, | |
85 | }; | |
86 | ||
990f05f6 EZ |
87 | static const struct regmap_config rk805_regmap_config = { |
88 | .reg_bits = 8, | |
89 | .val_bits = 8, | |
90 | .max_register = RK805_OFF_SOURCE_REG, | |
91 | .cache_type = REGCACHE_RBTREE, | |
92 | .volatile_reg = rk808_is_volatile_reg, | |
93 | }; | |
94 | ||
f69a7cf7 CZ |
95 | static const struct regmap_config rk808_regmap_config = { |
96 | .reg_bits = 8, | |
97 | .val_bits = 8, | |
98 | .max_register = RK808_IO_POL_REG, | |
2adb3b8e DA |
99 | .cache_type = REGCACHE_RBTREE, |
100 | .volatile_reg = rk808_is_volatile_reg, | |
f69a7cf7 CZ |
101 | }; |
102 | ||
586c1b41 TX |
103 | static const struct regmap_config rk817_regmap_config = { |
104 | .reg_bits = 8, | |
105 | .val_bits = 8, | |
106 | .max_register = RK817_GPIO_INT_CFG, | |
107 | .cache_type = REGCACHE_NONE, | |
108 | .volatile_reg = rk817_is_volatile_reg, | |
109 | }; | |
110 | ||
c4a164f4 | 111 | static const struct resource rtc_resources[] = { |
eeb86ed3 | 112 | DEFINE_RES_IRQ(RK808_IRQ_RTC_ALARM), |
f69a7cf7 CZ |
113 | }; |
114 | ||
c4a164f4 | 115 | static const struct resource rk817_rtc_resources[] = { |
586c1b41 TX |
116 | DEFINE_RES_IRQ(RK817_IRQ_RTC_ALARM), |
117 | }; | |
118 | ||
c4a164f4 | 119 | static const struct resource rk805_key_resources[] = { |
bc85e4ad HS |
120 | DEFINE_RES_IRQ(RK805_IRQ_PWRON_RISE), |
121 | DEFINE_RES_IRQ(RK805_IRQ_PWRON_FALL), | |
f7c22398 JC |
122 | }; |
123 | ||
c4a164f4 | 124 | static const struct resource rk817_pwrkey_resources[] = { |
586c1b41 TX |
125 | DEFINE_RES_IRQ(RK817_IRQ_PWRON_RISE), |
126 | DEFINE_RES_IRQ(RK817_IRQ_PWRON_FALL), | |
127 | }; | |
128 | ||
990f05f6 EZ |
129 | static const struct mfd_cell rk805s[] = { |
130 | { .name = "rk808-clkout", }, | |
131 | { .name = "rk808-regulator", }, | |
8d249b67 | 132 | { .name = "rk805-pinctrl", }, |
990f05f6 EZ |
133 | { |
134 | .name = "rk808-rtc", | |
135 | .num_resources = ARRAY_SIZE(rtc_resources), | |
136 | .resources = &rtc_resources[0], | |
137 | }, | |
f7c22398 JC |
138 | { .name = "rk805-pwrkey", |
139 | .num_resources = ARRAY_SIZE(rk805_key_resources), | |
140 | .resources = &rk805_key_resources[0], | |
141 | }, | |
990f05f6 EZ |
142 | }; |
143 | ||
f69a7cf7 CZ |
144 | static const struct mfd_cell rk808s[] = { |
145 | { .name = "rk808-clkout", }, | |
146 | { .name = "rk808-regulator", }, | |
147 | { | |
148 | .name = "rk808-rtc", | |
149 | .num_resources = ARRAY_SIZE(rtc_resources), | |
2eedcbfc | 150 | .resources = rtc_resources, |
f69a7cf7 CZ |
151 | }, |
152 | }; | |
153 | ||
586c1b41 TX |
154 | static const struct mfd_cell rk817s[] = { |
155 | { .name = "rk808-clkout",}, | |
156 | { .name = "rk808-regulator",}, | |
157 | { | |
bc85e4ad | 158 | .name = "rk805-pwrkey", |
586c1b41 TX |
159 | .num_resources = ARRAY_SIZE(rk817_pwrkey_resources), |
160 | .resources = &rk817_pwrkey_resources[0], | |
161 | }, | |
162 | { | |
163 | .name = "rk808-rtc", | |
164 | .num_resources = ARRAY_SIZE(rk817_rtc_resources), | |
165 | .resources = &rk817_rtc_resources[0], | |
166 | }, | |
4a1c456a | 167 | { .name = "rk817-codec",}, |
586c1b41 TX |
168 | }; |
169 | ||
2eedcbfc WE |
170 | static const struct mfd_cell rk818s[] = { |
171 | { .name = "rk808-clkout", }, | |
172 | { .name = "rk808-regulator", }, | |
173 | { | |
174 | .name = "rk808-rtc", | |
175 | .num_resources = ARRAY_SIZE(rtc_resources), | |
176 | .resources = rtc_resources, | |
177 | }, | |
178 | }; | |
179 | ||
990f05f6 EZ |
180 | static const struct rk808_reg_data rk805_pre_init_reg[] = { |
181 | {RK805_BUCK1_CONFIG_REG, RK805_BUCK1_2_ILMAX_MASK, | |
182 | RK805_BUCK1_2_ILMAX_4000MA}, | |
183 | {RK805_BUCK2_CONFIG_REG, RK805_BUCK1_2_ILMAX_MASK, | |
184 | RK805_BUCK1_2_ILMAX_4000MA}, | |
185 | {RK805_BUCK3_CONFIG_REG, RK805_BUCK3_4_ILMAX_MASK, | |
186 | RK805_BUCK3_ILMAX_3000MA}, | |
187 | {RK805_BUCK4_CONFIG_REG, RK805_BUCK3_4_ILMAX_MASK, | |
188 | RK805_BUCK4_ILMAX_3500MA}, | |
189 | {RK805_BUCK4_CONFIG_REG, BUCK_ILMIN_MASK, BUCK_ILMIN_400MA}, | |
990f05f6 EZ |
190 | {RK805_THERMAL_REG, TEMP_HOTDIE_MSK, TEMP115C}, |
191 | }; | |
192 | ||
2eedcbfc | 193 | static const struct rk808_reg_data rk808_pre_init_reg[] = { |
f69a7cf7 CZ |
194 | { RK808_BUCK3_CONFIG_REG, BUCK_ILMIN_MASK, BUCK_ILMIN_150MA }, |
195 | { RK808_BUCK4_CONFIG_REG, BUCK_ILMIN_MASK, BUCK_ILMIN_200MA }, | |
196 | { RK808_BOOST_CONFIG_REG, BOOST_ILMIN_MASK, BOOST_ILMIN_100MA }, | |
197 | { RK808_BUCK1_CONFIG_REG, BUCK1_RATE_MASK, BUCK_ILMIN_200MA }, | |
198 | { RK808_BUCK2_CONFIG_REG, BUCK2_RATE_MASK, BUCK_ILMIN_200MA }, | |
e19f7428 | 199 | { RK808_DCDC_UV_ACT_REG, BUCK_UV_ACT_MASK, BUCK_UV_ACT_DISABLE}, |
f69a7cf7 CZ |
200 | { RK808_VB_MON_REG, MASK_ALL, VB_LO_ACT | |
201 | VB_LO_SEL_3500MV }, | |
202 | }; | |
203 | ||
586c1b41 TX |
204 | static const struct rk808_reg_data rk817_pre_init_reg[] = { |
205 | {RK817_RTC_CTRL_REG, RTC_STOP, RTC_STOP}, | |
4a1c456a CM |
206 | /* Codec specific registers */ |
207 | { RK817_CODEC_DTOP_VUCTL, MASK_ALL, 0x03 }, | |
208 | { RK817_CODEC_DTOP_VUCTIME, MASK_ALL, 0x00 }, | |
209 | { RK817_CODEC_DTOP_LPT_SRST, MASK_ALL, 0x00 }, | |
210 | { RK817_CODEC_DTOP_DIGEN_CLKE, MASK_ALL, 0x00 }, | |
211 | /* from vendor driver, CODEC_AREF_RTCFG0 not defined in data sheet */ | |
212 | { RK817_CODEC_AREF_RTCFG0, MASK_ALL, 0x00 }, | |
213 | { RK817_CODEC_AREF_RTCFG1, MASK_ALL, 0x06 }, | |
214 | { RK817_CODEC_AADC_CFG0, MASK_ALL, 0xc8 }, | |
215 | /* from vendor driver, CODEC_AADC_CFG1 not defined in data sheet */ | |
216 | { RK817_CODEC_AADC_CFG1, MASK_ALL, 0x00 }, | |
217 | { RK817_CODEC_DADC_VOLL, MASK_ALL, 0x00 }, | |
218 | { RK817_CODEC_DADC_VOLR, MASK_ALL, 0x00 }, | |
219 | { RK817_CODEC_DADC_SR_ACL0, MASK_ALL, 0x00 }, | |
220 | { RK817_CODEC_DADC_ALC1, MASK_ALL, 0x00 }, | |
221 | { RK817_CODEC_DADC_ALC2, MASK_ALL, 0x00 }, | |
222 | { RK817_CODEC_DADC_NG, MASK_ALL, 0x00 }, | |
223 | { RK817_CODEC_DADC_HPF, MASK_ALL, 0x00 }, | |
224 | { RK817_CODEC_DADC_RVOLL, MASK_ALL, 0xff }, | |
225 | { RK817_CODEC_DADC_RVOLR, MASK_ALL, 0xff }, | |
226 | { RK817_CODEC_AMIC_CFG0, MASK_ALL, 0x70 }, | |
227 | { RK817_CODEC_AMIC_CFG1, MASK_ALL, 0x00 }, | |
228 | { RK817_CODEC_DMIC_PGA_GAIN, MASK_ALL, 0x66 }, | |
229 | { RK817_CODEC_DMIC_LMT1, MASK_ALL, 0x00 }, | |
230 | { RK817_CODEC_DMIC_LMT2, MASK_ALL, 0x00 }, | |
231 | { RK817_CODEC_DMIC_NG1, MASK_ALL, 0x00 }, | |
232 | { RK817_CODEC_DMIC_NG2, MASK_ALL, 0x00 }, | |
233 | /* from vendor driver, CODEC_ADAC_CFG0 not defined in data sheet */ | |
234 | { RK817_CODEC_ADAC_CFG0, MASK_ALL, 0x00 }, | |
235 | { RK817_CODEC_ADAC_CFG1, MASK_ALL, 0x07 }, | |
236 | { RK817_CODEC_DDAC_POPD_DACST, MASK_ALL, 0x82 }, | |
237 | { RK817_CODEC_DDAC_VOLL, MASK_ALL, 0x00 }, | |
238 | { RK817_CODEC_DDAC_VOLR, MASK_ALL, 0x00 }, | |
239 | { RK817_CODEC_DDAC_SR_LMT0, MASK_ALL, 0x00 }, | |
240 | { RK817_CODEC_DDAC_LMT1, MASK_ALL, 0x00 }, | |
241 | { RK817_CODEC_DDAC_LMT2, MASK_ALL, 0x00 }, | |
242 | { RK817_CODEC_DDAC_MUTE_MIXCTL, MASK_ALL, 0xa0 }, | |
243 | { RK817_CODEC_DDAC_RVOLL, MASK_ALL, 0xff }, | |
244 | { RK817_CODEC_DADC_RVOLR, MASK_ALL, 0xff }, | |
245 | { RK817_CODEC_AMIC_CFG0, MASK_ALL, 0x70 }, | |
246 | { RK817_CODEC_AMIC_CFG1, MASK_ALL, 0x00 }, | |
247 | { RK817_CODEC_DMIC_PGA_GAIN, MASK_ALL, 0x66 }, | |
248 | { RK817_CODEC_DMIC_LMT1, MASK_ALL, 0x00 }, | |
249 | { RK817_CODEC_DMIC_LMT2, MASK_ALL, 0x00 }, | |
250 | { RK817_CODEC_DMIC_NG1, MASK_ALL, 0x00 }, | |
251 | { RK817_CODEC_DMIC_NG2, MASK_ALL, 0x00 }, | |
252 | /* from vendor driver, CODEC_ADAC_CFG0 not defined in data sheet */ | |
253 | { RK817_CODEC_ADAC_CFG0, MASK_ALL, 0x00 }, | |
254 | { RK817_CODEC_ADAC_CFG1, MASK_ALL, 0x07 }, | |
255 | { RK817_CODEC_DDAC_POPD_DACST, MASK_ALL, 0x82 }, | |
256 | { RK817_CODEC_DDAC_VOLL, MASK_ALL, 0x00 }, | |
257 | { RK817_CODEC_DDAC_VOLR, MASK_ALL, 0x00 }, | |
258 | { RK817_CODEC_DDAC_SR_LMT0, MASK_ALL, 0x00 }, | |
259 | { RK817_CODEC_DDAC_LMT1, MASK_ALL, 0x00 }, | |
260 | { RK817_CODEC_DDAC_LMT2, MASK_ALL, 0x00 }, | |
261 | { RK817_CODEC_DDAC_MUTE_MIXCTL, MASK_ALL, 0xa0 }, | |
262 | { RK817_CODEC_DDAC_RVOLL, MASK_ALL, 0xff }, | |
263 | { RK817_CODEC_DDAC_RVOLR, MASK_ALL, 0xff }, | |
264 | { RK817_CODEC_AHP_ANTI0, MASK_ALL, 0x00 }, | |
265 | { RK817_CODEC_AHP_ANTI1, MASK_ALL, 0x00 }, | |
266 | { RK817_CODEC_AHP_CFG0, MASK_ALL, 0xe0 }, | |
267 | { RK817_CODEC_AHP_CFG1, MASK_ALL, 0x1f }, | |
268 | { RK817_CODEC_AHP_CP, MASK_ALL, 0x09 }, | |
269 | { RK817_CODEC_ACLASSD_CFG1, MASK_ALL, 0x69 }, | |
270 | { RK817_CODEC_ACLASSD_CFG2, MASK_ALL, 0x44 }, | |
271 | { RK817_CODEC_APLL_CFG0, MASK_ALL, 0x04 }, | |
272 | { RK817_CODEC_APLL_CFG1, MASK_ALL, 0x00 }, | |
273 | { RK817_CODEC_APLL_CFG2, MASK_ALL, 0x30 }, | |
274 | { RK817_CODEC_APLL_CFG3, MASK_ALL, 0x19 }, | |
275 | { RK817_CODEC_APLL_CFG4, MASK_ALL, 0x65 }, | |
276 | { RK817_CODEC_APLL_CFG5, MASK_ALL, 0x01 }, | |
277 | { RK817_CODEC_DI2S_CKM, MASK_ALL, 0x01 }, | |
278 | { RK817_CODEC_DI2S_RSD, MASK_ALL, 0x00 }, | |
279 | { RK817_CODEC_DI2S_RXCR1, MASK_ALL, 0x00 }, | |
280 | { RK817_CODEC_DI2S_RXCR2, MASK_ALL, 0x17 }, | |
281 | { RK817_CODEC_DI2S_RXCMD_TSD, MASK_ALL, 0x00 }, | |
282 | { RK817_CODEC_DI2S_TXCR1, MASK_ALL, 0x00 }, | |
283 | { RK817_CODEC_DI2S_TXCR2, MASK_ALL, 0x17 }, | |
284 | { RK817_CODEC_DI2S_TXCR3_TXCMD, MASK_ALL, 0x00 }, | |
dbd16ef5 | 285 | {RK817_GPIO_INT_CFG, RK817_INT_POL_MSK, RK817_INT_POL_L}, |
586c1b41 TX |
286 | {RK817_SYS_CFG(1), RK817_HOTDIE_TEMP_MSK | RK817_TSD_TEMP_MSK, |
287 | RK817_HOTDIE_105 | RK817_TSD_140}, | |
288 | }; | |
289 | ||
2eedcbfc WE |
290 | static const struct rk808_reg_data rk818_pre_init_reg[] = { |
291 | /* improve efficiency */ | |
292 | { RK818_BUCK2_CONFIG_REG, BUCK2_RATE_MASK, BUCK_ILMIN_250MA }, | |
293 | { RK818_BUCK4_CONFIG_REG, BUCK_ILMIN_MASK, BUCK_ILMIN_250MA }, | |
294 | { RK818_BOOST_CONFIG_REG, BOOST_ILMIN_MASK, BOOST_ILMIN_100MA }, | |
295 | { RK818_USB_CTRL_REG, RK818_USB_ILIM_SEL_MASK, | |
296 | RK818_USB_ILMIN_2000MA }, | |
297 | /* close charger when usb lower then 3.4V */ | |
298 | { RK818_USB_CTRL_REG, RK818_USB_CHG_SD_VSEL_MASK, | |
299 | (0x7 << 4) }, | |
300 | /* no action when vref */ | |
301 | { RK818_H5V_EN_REG, BIT(1), RK818_REF_RDY_CTRL }, | |
302 | /* enable HDMI 5V */ | |
303 | { RK818_H5V_EN_REG, BIT(0), RK818_H5V_EN }, | |
304 | { RK808_VB_MON_REG, MASK_ALL, VB_LO_ACT | | |
305 | VB_LO_SEL_3500MV }, | |
306 | }; | |
307 | ||
990f05f6 EZ |
308 | static const struct regmap_irq rk805_irqs[] = { |
309 | [RK805_IRQ_PWRON_RISE] = { | |
310 | .mask = RK805_IRQ_PWRON_RISE_MSK, | |
311 | .reg_offset = 0, | |
312 | }, | |
313 | [RK805_IRQ_VB_LOW] = { | |
314 | .mask = RK805_IRQ_VB_LOW_MSK, | |
315 | .reg_offset = 0, | |
316 | }, | |
317 | [RK805_IRQ_PWRON] = { | |
318 | .mask = RK805_IRQ_PWRON_MSK, | |
319 | .reg_offset = 0, | |
320 | }, | |
321 | [RK805_IRQ_PWRON_LP] = { | |
322 | .mask = RK805_IRQ_PWRON_LP_MSK, | |
323 | .reg_offset = 0, | |
324 | }, | |
325 | [RK805_IRQ_HOTDIE] = { | |
326 | .mask = RK805_IRQ_HOTDIE_MSK, | |
327 | .reg_offset = 0, | |
328 | }, | |
329 | [RK805_IRQ_RTC_ALARM] = { | |
330 | .mask = RK805_IRQ_RTC_ALARM_MSK, | |
331 | .reg_offset = 0, | |
332 | }, | |
333 | [RK805_IRQ_RTC_PERIOD] = { | |
334 | .mask = RK805_IRQ_RTC_PERIOD_MSK, | |
335 | .reg_offset = 0, | |
336 | }, | |
337 | [RK805_IRQ_PWRON_FALL] = { | |
338 | .mask = RK805_IRQ_PWRON_FALL_MSK, | |
339 | .reg_offset = 0, | |
340 | }, | |
341 | }; | |
342 | ||
f69a7cf7 CZ |
343 | static 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 | ||
2eedcbfc WE |
385 | static const struct regmap_irq rk818_irqs[] = { |
386 | /* INT_STS */ | |
387 | [RK818_IRQ_VOUT_LO] = { | |
388 | .mask = RK818_IRQ_VOUT_LO_MSK, | |
389 | .reg_offset = 0, | |
390 | }, | |
391 | [RK818_IRQ_VB_LO] = { | |
392 | .mask = RK818_IRQ_VB_LO_MSK, | |
393 | .reg_offset = 0, | |
394 | }, | |
395 | [RK818_IRQ_PWRON] = { | |
396 | .mask = RK818_IRQ_PWRON_MSK, | |
397 | .reg_offset = 0, | |
398 | }, | |
399 | [RK818_IRQ_PWRON_LP] = { | |
400 | .mask = RK818_IRQ_PWRON_LP_MSK, | |
401 | .reg_offset = 0, | |
402 | }, | |
403 | [RK818_IRQ_HOTDIE] = { | |
404 | .mask = RK818_IRQ_HOTDIE_MSK, | |
405 | .reg_offset = 0, | |
406 | }, | |
407 | [RK818_IRQ_RTC_ALARM] = { | |
408 | .mask = RK818_IRQ_RTC_ALARM_MSK, | |
409 | .reg_offset = 0, | |
410 | }, | |
411 | [RK818_IRQ_RTC_PERIOD] = { | |
412 | .mask = RK818_IRQ_RTC_PERIOD_MSK, | |
413 | .reg_offset = 0, | |
414 | }, | |
415 | [RK818_IRQ_USB_OV] = { | |
416 | .mask = RK818_IRQ_USB_OV_MSK, | |
417 | .reg_offset = 0, | |
418 | }, | |
419 | ||
420 | /* INT_STS2 */ | |
421 | [RK818_IRQ_PLUG_IN] = { | |
422 | .mask = RK818_IRQ_PLUG_IN_MSK, | |
423 | .reg_offset = 1, | |
424 | }, | |
425 | [RK818_IRQ_PLUG_OUT] = { | |
426 | .mask = RK818_IRQ_PLUG_OUT_MSK, | |
427 | .reg_offset = 1, | |
428 | }, | |
429 | [RK818_IRQ_CHG_OK] = { | |
430 | .mask = RK818_IRQ_CHG_OK_MSK, | |
431 | .reg_offset = 1, | |
432 | }, | |
433 | [RK818_IRQ_CHG_TE] = { | |
434 | .mask = RK818_IRQ_CHG_TE_MSK, | |
435 | .reg_offset = 1, | |
436 | }, | |
437 | [RK818_IRQ_CHG_TS1] = { | |
438 | .mask = RK818_IRQ_CHG_TS1_MSK, | |
439 | .reg_offset = 1, | |
440 | }, | |
441 | [RK818_IRQ_TS2] = { | |
442 | .mask = RK818_IRQ_TS2_MSK, | |
443 | .reg_offset = 1, | |
444 | }, | |
445 | [RK818_IRQ_CHG_CVTLIM] = { | |
446 | .mask = RK818_IRQ_CHG_CVTLIM_MSK, | |
447 | .reg_offset = 1, | |
448 | }, | |
449 | [RK818_IRQ_DISCHG_ILIM] = { | |
450 | .mask = RK818_IRQ_DISCHG_ILIM_MSK, | |
451 | .reg_offset = 1, | |
452 | }, | |
453 | }; | |
454 | ||
586c1b41 TX |
455 | static const struct regmap_irq rk817_irqs[RK817_IRQ_END] = { |
456 | REGMAP_IRQ_REG_LINE(0, 8), | |
457 | REGMAP_IRQ_REG_LINE(1, 8), | |
458 | REGMAP_IRQ_REG_LINE(2, 8), | |
459 | REGMAP_IRQ_REG_LINE(3, 8), | |
460 | REGMAP_IRQ_REG_LINE(4, 8), | |
461 | REGMAP_IRQ_REG_LINE(5, 8), | |
462 | REGMAP_IRQ_REG_LINE(6, 8), | |
463 | REGMAP_IRQ_REG_LINE(7, 8), | |
464 | REGMAP_IRQ_REG_LINE(8, 8), | |
465 | REGMAP_IRQ_REG_LINE(9, 8), | |
466 | REGMAP_IRQ_REG_LINE(10, 8), | |
467 | REGMAP_IRQ_REG_LINE(11, 8), | |
468 | REGMAP_IRQ_REG_LINE(12, 8), | |
469 | REGMAP_IRQ_REG_LINE(13, 8), | |
470 | REGMAP_IRQ_REG_LINE(14, 8), | |
471 | REGMAP_IRQ_REG_LINE(15, 8), | |
472 | REGMAP_IRQ_REG_LINE(16, 8), | |
473 | REGMAP_IRQ_REG_LINE(17, 8), | |
474 | REGMAP_IRQ_REG_LINE(18, 8), | |
475 | REGMAP_IRQ_REG_LINE(19, 8), | |
476 | REGMAP_IRQ_REG_LINE(20, 8), | |
477 | REGMAP_IRQ_REG_LINE(21, 8), | |
478 | REGMAP_IRQ_REG_LINE(22, 8), | |
479 | REGMAP_IRQ_REG_LINE(23, 8) | |
480 | }; | |
481 | ||
990f05f6 EZ |
482 | static struct regmap_irq_chip rk805_irq_chip = { |
483 | .name = "rk805", | |
484 | .irqs = rk805_irqs, | |
485 | .num_irqs = ARRAY_SIZE(rk805_irqs), | |
486 | .num_regs = 1, | |
487 | .status_base = RK805_INT_STS_REG, | |
488 | .mask_base = RK805_INT_STS_MSK_REG, | |
489 | .ack_base = RK805_INT_STS_REG, | |
490 | .init_ack_masked = true, | |
491 | }; | |
492 | ||
24e34b9d | 493 | static const struct regmap_irq_chip rk808_irq_chip = { |
f69a7cf7 CZ |
494 | .name = "rk808", |
495 | .irqs = rk808_irqs, | |
496 | .num_irqs = ARRAY_SIZE(rk808_irqs), | |
497 | .num_regs = 2, | |
498 | .irq_reg_stride = 2, | |
499 | .status_base = RK808_INT_STS_REG1, | |
500 | .mask_base = RK808_INT_STS_MSK_REG1, | |
501 | .ack_base = RK808_INT_STS_REG1, | |
502 | .init_ack_masked = true, | |
503 | }; | |
504 | ||
586c1b41 TX |
505 | static struct regmap_irq_chip rk817_irq_chip = { |
506 | .name = "rk817", | |
507 | .irqs = rk817_irqs, | |
508 | .num_irqs = ARRAY_SIZE(rk817_irqs), | |
509 | .num_regs = 3, | |
510 | .irq_reg_stride = 2, | |
511 | .status_base = RK817_INT_STS_REG0, | |
512 | .mask_base = RK817_INT_STS_MSK_REG0, | |
513 | .ack_base = RK817_INT_STS_REG0, | |
514 | .init_ack_masked = true, | |
515 | }; | |
516 | ||
24e34b9d | 517 | static const struct regmap_irq_chip rk818_irq_chip = { |
2eedcbfc WE |
518 | .name = "rk818", |
519 | .irqs = rk818_irqs, | |
520 | .num_irqs = ARRAY_SIZE(rk818_irqs), | |
521 | .num_regs = 2, | |
522 | .irq_reg_stride = 2, | |
523 | .status_base = RK818_INT_STS_REG1, | |
524 | .mask_base = RK818_INT_STS_MSK_REG1, | |
525 | .ack_base = RK818_INT_STS_REG1, | |
526 | .init_ack_masked = true, | |
527 | }; | |
528 | ||
f69a7cf7 | 529 | static struct i2c_client *rk808_i2c_client; |
990f05f6 | 530 | |
7a52cbcc | 531 | static void rk808_pm_power_off(void) |
b2e2c850 JC |
532 | { |
533 | int ret; | |
7a52cbcc | 534 | unsigned int reg, bit; |
b2e2c850 JC |
535 | struct rk808 *rk808 = i2c_get_clientdata(rk808_i2c_client); |
536 | ||
7a52cbcc RM |
537 | switch (rk808->variant) { |
538 | case RK805_ID: | |
539 | reg = RK805_DEV_CTRL_REG; | |
540 | bit = DEV_OFF; | |
541 | break; | |
542 | case RK808_ID: | |
543 | reg = RK808_DEVCTRL_REG, | |
544 | bit = DEV_OFF_RST; | |
545 | break; | |
546 | case RK818_ID: | |
547 | reg = RK818_DEVCTRL_REG; | |
548 | bit = DEV_OFF; | |
549 | break; | |
550 | default: | |
b2e2c850 | 551 | return; |
7a52cbcc RM |
552 | } |
553 | ret = regmap_update_bits(rk808->regmap, reg, bit, bit); | |
b2e2c850 | 554 | if (ret) |
ac195d94 | 555 | dev_err(&rk808_i2c_client->dev, "Failed to shutdown device!\n"); |
b2e2c850 JC |
556 | } |
557 | ||
90df3a82 | 558 | static void rk8xx_shutdown(struct i2c_client *client) |
586c1b41 | 559 | { |
90df3a82 | 560 | struct rk808 *rk808 = i2c_get_clientdata(client); |
586c1b41 TX |
561 | int ret; |
562 | ||
90df3a82 | 563 | switch (rk808->variant) { |
42679765 RM |
564 | case RK805_ID: |
565 | ret = regmap_update_bits(rk808->regmap, | |
566 | RK805_GPIO_IO_POL_REG, | |
567 | SLP_SD_MSK, | |
568 | SHUTDOWN_FUN); | |
569 | break; | |
90df3a82 RM |
570 | case RK809_ID: |
571 | case RK817_ID: | |
586c1b41 TX |
572 | ret = regmap_update_bits(rk808->regmap, |
573 | RK817_SYS_CFG(3), | |
574 | RK817_SLPPIN_FUNC_MSK, | |
575 | SLPPIN_DN_FUN); | |
90df3a82 RM |
576 | break; |
577 | default: | |
578 | return; | |
586c1b41 | 579 | } |
90df3a82 RM |
580 | if (ret) |
581 | dev_warn(&client->dev, | |
582 | "Cannot switch to power down function\n"); | |
b2e2c850 JC |
583 | } |
584 | ||
2eedcbfc | 585 | static const struct of_device_id rk808_of_match[] = { |
990f05f6 | 586 | { .compatible = "rockchip,rk805" }, |
2eedcbfc | 587 | { .compatible = "rockchip,rk808" }, |
586c1b41 TX |
588 | { .compatible = "rockchip,rk809" }, |
589 | { .compatible = "rockchip,rk817" }, | |
2eedcbfc WE |
590 | { .compatible = "rockchip,rk818" }, |
591 | { }, | |
592 | }; | |
593 | MODULE_DEVICE_TABLE(of, rk808_of_match); | |
594 | ||
f69a7cf7 CZ |
595 | static int rk808_probe(struct i2c_client *client, |
596 | const struct i2c_device_id *id) | |
597 | { | |
598 | struct device_node *np = client->dev.of_node; | |
599 | struct rk808 *rk808; | |
2eedcbfc WE |
600 | const struct rk808_reg_data *pre_init_reg; |
601 | const struct mfd_cell *cells; | |
602 | int nr_pre_init_regs; | |
603 | int nr_cells; | |
d8f083a3 | 604 | int msb, lsb; |
586c1b41 | 605 | unsigned char pmic_id_msb, pmic_id_lsb; |
f69a7cf7 CZ |
606 | int ret; |
607 | int i; | |
608 | ||
f69a7cf7 CZ |
609 | rk808 = devm_kzalloc(&client->dev, sizeof(*rk808), GFP_KERNEL); |
610 | if (!rk808) | |
611 | return -ENOMEM; | |
612 | ||
586c1b41 TX |
613 | if (of_device_is_compatible(np, "rockchip,rk817") || |
614 | of_device_is_compatible(np, "rockchip,rk809")) { | |
615 | pmic_id_msb = RK817_ID_MSB; | |
616 | pmic_id_lsb = RK817_ID_LSB; | |
617 | } else { | |
618 | pmic_id_msb = RK808_ID_MSB; | |
619 | pmic_id_lsb = RK808_ID_LSB; | |
620 | } | |
621 | ||
9d6105e1 | 622 | /* Read chip variant */ |
586c1b41 | 623 | msb = i2c_smbus_read_byte_data(client, pmic_id_msb); |
9d6105e1 EZ |
624 | if (msb < 0) { |
625 | dev_err(&client->dev, "failed to read the chip id at 0x%x\n", | |
2eedcbfc | 626 | RK808_ID_MSB); |
9d6105e1 | 627 | return msb; |
2eedcbfc WE |
628 | } |
629 | ||
586c1b41 | 630 | lsb = i2c_smbus_read_byte_data(client, pmic_id_lsb); |
9d6105e1 EZ |
631 | if (lsb < 0) { |
632 | dev_err(&client->dev, "failed to read the chip id at 0x%x\n", | |
633 | RK808_ID_LSB); | |
634 | return lsb; | |
635 | } | |
636 | ||
637 | rk808->variant = ((msb << 8) | lsb) & RK8XX_ID_MSK; | |
638 | dev_info(&client->dev, "chip id: 0x%x\n", (unsigned int)rk808->variant); | |
2eedcbfc WE |
639 | |
640 | switch (rk808->variant) { | |
990f05f6 EZ |
641 | case RK805_ID: |
642 | rk808->regmap_cfg = &rk805_regmap_config; | |
643 | rk808->regmap_irq_chip = &rk805_irq_chip; | |
644 | pre_init_reg = rk805_pre_init_reg; | |
645 | nr_pre_init_regs = ARRAY_SIZE(rk805_pre_init_reg); | |
646 | cells = rk805s; | |
647 | nr_cells = ARRAY_SIZE(rk805s); | |
990f05f6 | 648 | break; |
2eedcbfc WE |
649 | case RK808_ID: |
650 | rk808->regmap_cfg = &rk808_regmap_config; | |
651 | rk808->regmap_irq_chip = &rk808_irq_chip; | |
652 | pre_init_reg = rk808_pre_init_reg; | |
653 | nr_pre_init_regs = ARRAY_SIZE(rk808_pre_init_reg); | |
654 | cells = rk808s; | |
655 | nr_cells = ARRAY_SIZE(rk808s); | |
656 | break; | |
657 | case RK818_ID: | |
658 | rk808->regmap_cfg = &rk818_regmap_config; | |
659 | rk808->regmap_irq_chip = &rk818_irq_chip; | |
660 | pre_init_reg = rk818_pre_init_reg; | |
661 | nr_pre_init_regs = ARRAY_SIZE(rk818_pre_init_reg); | |
662 | cells = rk818s; | |
663 | nr_cells = ARRAY_SIZE(rk818s); | |
664 | break; | |
586c1b41 TX |
665 | case RK809_ID: |
666 | case RK817_ID: | |
667 | rk808->regmap_cfg = &rk817_regmap_config; | |
668 | rk808->regmap_irq_chip = &rk817_irq_chip; | |
669 | pre_init_reg = rk817_pre_init_reg; | |
670 | nr_pre_init_regs = ARRAY_SIZE(rk817_pre_init_reg); | |
671 | cells = rk817s; | |
672 | nr_cells = ARRAY_SIZE(rk817s); | |
2eedcbfc WE |
673 | break; |
674 | default: | |
675 | dev_err(&client->dev, "Unsupported RK8XX ID %lu\n", | |
676 | rk808->variant); | |
677 | return -EINVAL; | |
678 | } | |
679 | ||
680 | rk808->i2c = client; | |
681 | i2c_set_clientdata(client, rk808); | |
682 | ||
683 | rk808->regmap = devm_regmap_init_i2c(client, rk808->regmap_cfg); | |
f69a7cf7 CZ |
684 | if (IS_ERR(rk808->regmap)) { |
685 | dev_err(&client->dev, "regmap initialization failed\n"); | |
686 | return PTR_ERR(rk808->regmap); | |
687 | } | |
688 | ||
2eedcbfc WE |
689 | if (!client->irq) { |
690 | dev_err(&client->dev, "No interrupt support, no core IRQ\n"); | |
691 | return -EINVAL; | |
f69a7cf7 CZ |
692 | } |
693 | ||
694 | ret = regmap_add_irq_chip(rk808->regmap, client->irq, | |
695 | IRQF_ONESHOT, -1, | |
2eedcbfc | 696 | rk808->regmap_irq_chip, &rk808->irq_data); |
f69a7cf7 CZ |
697 | if (ret) { |
698 | dev_err(&client->dev, "Failed to add irq_chip %d\n", ret); | |
699 | return ret; | |
700 | } | |
701 | ||
2eedcbfc WE |
702 | for (i = 0; i < nr_pre_init_regs; i++) { |
703 | ret = regmap_update_bits(rk808->regmap, | |
704 | pre_init_reg[i].addr, | |
705 | pre_init_reg[i].mask, | |
706 | pre_init_reg[i].value); | |
707 | if (ret) { | |
708 | dev_err(&client->dev, | |
709 | "0x%x write err\n", | |
710 | pre_init_reg[i].addr); | |
711 | return ret; | |
712 | } | |
713 | } | |
f69a7cf7 | 714 | |
2eedcbfc WE |
715 | ret = devm_mfd_add_devices(&client->dev, PLATFORM_DEVID_NONE, |
716 | cells, nr_cells, NULL, 0, | |
717 | regmap_irq_get_domain(rk808->irq_data)); | |
f69a7cf7 CZ |
718 | if (ret) { |
719 | dev_err(&client->dev, "failed to add MFD devices %d\n", ret); | |
720 | goto err_irq; | |
721 | } | |
722 | ||
d8f083a3 | 723 | if (of_property_read_bool(np, "rockchip,system-power-controller")) { |
f69a7cf7 | 724 | rk808_i2c_client = client; |
7a52cbcc | 725 | pm_power_off = rk808_pm_power_off; |
f69a7cf7 CZ |
726 | } |
727 | ||
728 | return 0; | |
729 | ||
730 | err_irq: | |
731 | regmap_del_irq_chip(client->irq, rk808->irq_data); | |
732 | return ret; | |
733 | } | |
734 | ||
735 | static int rk808_remove(struct i2c_client *client) | |
736 | { | |
737 | struct rk808 *rk808 = i2c_get_clientdata(client); | |
738 | ||
739 | regmap_del_irq_chip(client->irq, rk808->irq_data); | |
76304994 SM |
740 | |
741 | /** | |
742 | * pm_power_off may points to a function from another module. | |
743 | * Check if the pointer is set by us and only then overwrite it. | |
744 | */ | |
7a52cbcc | 745 | if (pm_power_off == rk808_pm_power_off) |
76304994 | 746 | pm_power_off = NULL; |
f69a7cf7 CZ |
747 | |
748 | return 0; | |
749 | } | |
750 | ||
5752bc43 | 751 | static int __maybe_unused rk8xx_suspend(struct device *dev) |
586c1b41 | 752 | { |
08e8c0d9 | 753 | struct rk808 *rk808 = i2c_get_clientdata(to_i2c_client(dev)); |
586c1b41 TX |
754 | int ret = 0; |
755 | ||
756 | switch (rk808->variant) { | |
42679765 RM |
757 | case RK805_ID: |
758 | ret = regmap_update_bits(rk808->regmap, | |
759 | RK805_GPIO_IO_POL_REG, | |
760 | SLP_SD_MSK, | |
761 | SLEEP_FUN); | |
762 | break; | |
586c1b41 TX |
763 | case RK809_ID: |
764 | case RK817_ID: | |
765 | ret = regmap_update_bits(rk808->regmap, | |
766 | RK817_SYS_CFG(3), | |
767 | RK817_SLPPIN_FUNC_MSK, | |
768 | SLPPIN_SLP_FUN); | |
769 | break; | |
770 | default: | |
771 | break; | |
772 | } | |
773 | ||
774 | return ret; | |
775 | } | |
776 | ||
5752bc43 | 777 | static int __maybe_unused rk8xx_resume(struct device *dev) |
586c1b41 | 778 | { |
08e8c0d9 | 779 | struct rk808 *rk808 = i2c_get_clientdata(to_i2c_client(dev)); |
586c1b41 TX |
780 | int ret = 0; |
781 | ||
782 | switch (rk808->variant) { | |
783 | case RK809_ID: | |
784 | case RK817_ID: | |
785 | ret = regmap_update_bits(rk808->regmap, | |
786 | RK817_SYS_CFG(3), | |
787 | RK817_SLPPIN_FUNC_MSK, | |
788 | SLPPIN_NULL_FUN); | |
789 | break; | |
790 | default: | |
791 | break; | |
792 | } | |
793 | ||
794 | return ret; | |
795 | } | |
4d82fa67 | 796 | static SIMPLE_DEV_PM_OPS(rk8xx_pm_ops, rk8xx_suspend, rk8xx_resume); |
586c1b41 | 797 | |
f69a7cf7 CZ |
798 | static struct i2c_driver rk808_i2c_driver = { |
799 | .driver = { | |
800 | .name = "rk808", | |
801 | .of_match_table = rk808_of_match, | |
586c1b41 | 802 | .pm = &rk8xx_pm_ops, |
f69a7cf7 CZ |
803 | }, |
804 | .probe = rk808_probe, | |
805 | .remove = rk808_remove, | |
90df3a82 | 806 | .shutdown = rk8xx_shutdown, |
f69a7cf7 CZ |
807 | }; |
808 | ||
809 | module_i2c_driver(rk808_i2c_driver); | |
810 | ||
811 | MODULE_LICENSE("GPL"); | |
812 | MODULE_AUTHOR("Chris Zhong <zyw@rock-chips.com>"); | |
813 | MODULE_AUTHOR("Zhang Qing <zhangqing@rock-chips.com>"); | |
2eedcbfc WE |
814 | MODULE_AUTHOR("Wadim Egorov <w.egorov@phytec.de>"); |
815 | MODULE_DESCRIPTION("RK808/RK818 PMIC driver"); |