drivers/mfd/rk8xx-core.c

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