X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=drivers%2Fmfd%2Frk808.c;h=2eadd2c10e6994f8366af01221675f355b1361de;hb=2ae05321496aa27767bc33a5cc19451b3db67919;hp=4b1e4399754bf2950c5662d763e3763653137b9d;hpb=e64f638483a21105c7ce330d543fa1f1c35b5bc7;p=firefly-linux-kernel-4.4.55.git diff --git a/drivers/mfd/rk808.c b/drivers/mfd/rk808.c index 4b1e4399754b..2eadd2c10e69 100644 --- a/drivers/mfd/rk808.c +++ b/drivers/mfd/rk808.c @@ -18,10 +18,15 @@ #include #include +#include #include #include #include +#include #include +#include +#include +#include struct rk808_reg_data { int addr; @@ -57,6 +62,102 @@ static bool rk808_is_volatile_reg(struct device *dev, unsigned int reg) return false; } +static int rk808_shutdown(struct regmap *regmap) +{ + int ret; + + ret = regmap_update_bits(regmap, + RK808_DEVCTRL_REG, + DEV_OFF, DEV_OFF); + if (ret) + printk("DEV_OFF error!\n"); + + mdelay(2); + ret = regmap_update_bits(regmap, + RK808_DCDC_EN_REG, + BUCK1_EN_MASK | BUCK2_EN_MASK | BUCK3_EN_MASK | BUCK4_EN_MASK, 0xf); + if (ret) + printk("RK808_DCDC_EN_REG error!\n"); + ret = regmap_update_bits(regmap, + RK808_LDO_EN_REG, + 0xff, 0xff); + if (ret) + printk("RK808_LDO_EN_REG error!\n"); + + return ret; +} + +static int rk816_shutdown(struct regmap *regmap) +{ + int ret; + + ret = regmap_update_bits(regmap, + RK816_DEV_CTRL_REG, + DEV_OFF, DEV_OFF); + return ret; +} + +static int rk818_shutdown(struct regmap *regmap) +{ + int ret; + + ret = regmap_update_bits(regmap, + RK818_DEVCTRL_REG, + DEV_OFF, DEV_OFF); + return ret; +} + +static int rk805_shutdown_prepare(struct regmap *regmap) +{ + int ret; + + /* close rtc int when power off */ + regmap_update_bits(regmap, + RK808_INT_STS_MSK_REG1, + (0x3 << 5), (0x3 << 5)); + regmap_update_bits(regmap, + RK808_RTC_INT_REG, + (0x3 << 2), (0x0 << 2)); + + /* pmic sleep shutdown function */ + ret = regmap_update_bits(regmap, + RK805_GPIO_IO_POL_REG, + SLP_SD_MSK, SHUTDOWN_FUN); + return ret; +} + +static bool rk818_is_volatile_reg(struct device *dev, unsigned int reg) +{ + /* + * Notes: + * - Technically the ROUND_30s bit makes RTC_CTRL_REG volatile, but + * we don't use that feature. It's better to cache. + * - It's unlikely we care that RK808_DEVCTRL_REG is volatile since + * bits are cleared in case when we shutoff anyway, but better safe. + */ + + switch (reg) { + case RK808_SECONDS_REG ... RK808_WEEKS_REG: + case RK808_RTC_STATUS_REG: + case RK808_VB_MON_REG: + case RK808_THERMAL_REG: + case RK808_DCDC_EN_REG: + case RK808_DCDC_UV_STS_REG: + case RK808_LDO_UV_STS_REG: + case RK808_DCDC_PG_REG: + case RK808_LDO_PG_REG: + case RK808_DEVCTRL_REG: + case RK808_INT_STS_REG1: + case RK808_INT_STS_REG2: + case RK808_INT_STS_MSK_REG1: + case RK808_INT_STS_MSK_REG2: + case RK818_SUP_STS_REG ... RK818_SAVE_DATA19: + return true; + } + + return false; +} + static const struct regmap_config rk808_regmap_config = { .reg_bits = 8, .val_bits = 8, @@ -65,6 +166,30 @@ static const struct regmap_config rk808_regmap_config = { .volatile_reg = rk808_is_volatile_reg, }; +static const struct regmap_config rk805_regmap_config = { + .reg_bits = 8, + .val_bits = 8, + .max_register = RK805_OFF_SOURCE_REG, + .cache_type = REGCACHE_RBTREE, + .volatile_reg = rk808_is_volatile_reg, +}; + +static const struct regmap_config rk816_regmap_config = { + .reg_bits = 8, + .val_bits = 8, + .max_register = RK816_DATA18_REG, + .cache_type = REGCACHE_RBTREE, + .volatile_reg = rk818_is_volatile_reg, +}; + +static const struct regmap_config rk818_regmap_config = { + .reg_bits = 8, + .val_bits = 8, + .max_register = RK818_SAVE_DATA19, + .cache_type = REGCACHE_RBTREE, + .volatile_reg = rk818_is_volatile_reg, +}; + static struct resource rtc_resources[] = { { .start = RK808_IRQ_RTC_ALARM, @@ -73,6 +198,32 @@ static struct resource rtc_resources[] = { } }; +static struct resource pwrkey_resources[] = { + { + .start = RK805_IRQ_PWRON_RISE, + .end = RK805_IRQ_PWRON_RISE, + .flags = IORESOURCE_IRQ, + }, + { + .start = RK805_IRQ_PWRON_FALL, + .end = RK805_IRQ_PWRON_FALL, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct resource rk816_pwrkey_resources[] = { + { + .start = RK816_IRQ_PWRON_RISE, + .end = RK816_IRQ_PWRON_RISE, + .flags = IORESOURCE_IRQ, + }, + { + .start = RK816_IRQ_PWRON_FALL, + .end = RK816_IRQ_PWRON_FALL, + .flags = IORESOURCE_IRQ, + }, +}; + static const struct mfd_cell rk808s[] = { { .name = "rk808-clkout", }, { .name = "rk808-regulator", }, @@ -83,13 +234,14 @@ static const struct mfd_cell rk808s[] = { }, }; -static const struct rk808_reg_data pre_init_reg[] = { +static const struct rk808_reg_data rk808_pre_init_reg[] = { { RK808_BUCK3_CONFIG_REG, BUCK_ILMIN_MASK, BUCK_ILMIN_150MA }, { RK808_BUCK4_CONFIG_REG, BUCK_ILMIN_MASK, BUCK_ILMIN_200MA }, { RK808_BOOST_CONFIG_REG, BOOST_ILMIN_MASK, BOOST_ILMIN_100MA }, { RK808_BUCK1_CONFIG_REG, BUCK1_RATE_MASK, BUCK_ILMIN_200MA }, { RK808_BUCK2_CONFIG_REG, BUCK2_RATE_MASK, BUCK_ILMIN_200MA }, { RK808_DCDC_UV_ACT_REG, BUCK_UV_ACT_MASK, BUCK_UV_ACT_DISABLE}, + { RK808_RTC_CTRL_REG, RTC_STOP, RTC_STOP}, { RK808_VB_MON_REG, MASK_ALL, VB_LO_ACT | VB_LO_SEL_3500MV }, }; @@ -148,7 +300,302 @@ static struct regmap_irq_chip rk808_irq_chip = { .init_ack_masked = true, }; +static const struct mfd_cell rk816s[] = { + { .name = "rk808-clkout", }, + { .name = "rk808-regulator", }, + { .name = "rk8xx-gpio", }, + { + .name = "rk8xx-pwrkey", + .num_resources = ARRAY_SIZE(rk816_pwrkey_resources), + .resources = &rk816_pwrkey_resources[0], + }, + { + .name = "rk808-rtc", + .num_resources = ARRAY_SIZE(rtc_resources), + .resources = &rtc_resources[0], + }, +}; + +static const struct rk808_reg_data rk816_pre_init_reg[] = { + /* buck4 Max ILMIT*/ + {RK816_BUCK4_CONFIG_REG, BUCK4_MAX_ILIMIT, REG_WRITE_MSK}, + /* hotdie temperature: 105c*/ + {RK816_THERMAL_REG, TEMP105C, REG_WRITE_MSK}, + /* set buck 12.5mv/us */ + {RK816_BUCK1_CONFIG_REG, BUCK_RATE_12_5MV_US, BUCK_RATE_MSK}, + {RK816_BUCK2_CONFIG_REG, BUCK_RATE_12_5MV_US, BUCK_RATE_MSK}, + /* enable RTC_PERIOD & RTC_ALARM int */ + {RK816_INT_STS_MSK_REG2, RTC_PERIOD_ALARM_INT_EN, REG_WRITE_MSK}, + /* set bat 3.0 low and act shutdown */ + {RK816_VB_MON_REG, RK816_VBAT_LOW_3V0 | EN_VABT_LOW_SHUT_DOWN, + VBAT_LOW_VOL_MASK | VBAT_LOW_ACT_MASK}, + /* enable PWRON rising/faling int */ + {RK816_INT_STS_MSK_REG1, RK816_PWRON_FALL_RISE_INT_EN, REG_WRITE_MSK}, + /* enable PLUG IN/OUT int */ + {RK816_INT_STS_MSK_REG3, PLUGIN_OUT_INT_EN, REG_WRITE_MSK}, + /* clear int flags */ + {RK816_INT_STS_REG1, ALL_INT_FLAGS_ST, REG_WRITE_MSK}, + {RK816_INT_STS_REG2, ALL_INT_FLAGS_ST, REG_WRITE_MSK}, + {RK816_INT_STS_REG3, ALL_INT_FLAGS_ST, REG_WRITE_MSK}, + {RK816_DCDC_EN_REG2, BOOST_DISABLE, BOOST_EN_MASK}, +}; + +static const struct regmap_irq rk816_irqs[] = { + /* INT_STS */ + [RK816_IRQ_PWRON_FALL] = { + .mask = RK816_IRQ_PWRON_FALL_MSK, + .reg_offset = 0, + }, + [RK816_IRQ_PWRON_RISE] = { + .mask = RK816_IRQ_PWRON_RISE_MSK, + .reg_offset = 0, + }, + [RK816_IRQ_VB_LOW] = { + .mask = RK816_IRQ_VB_LOW_MSK, + .reg_offset = 1, + }, + [RK816_IRQ_PWRON] = { + .mask = RK816_IRQ_PWRON_MSK, + .reg_offset = 1, + }, + [RK816_IRQ_PWRON_LP] = { + .mask = RK816_IRQ_PWRON_LP_MSK, + .reg_offset = 1, + }, + [RK816_IRQ_HOTDIE] = { + .mask = RK816_IRQ_HOTDIE_MSK, + .reg_offset = 1, + }, + [RK816_IRQ_RTC_ALARM] = { + .mask = RK816_IRQ_RTC_ALARM_MSK, + .reg_offset = 1, + }, + [RK816_IRQ_RTC_PERIOD] = { + .mask = RK816_IRQ_RTC_PERIOD_MSK, + .reg_offset = 1, + }, + [RK816_IRQ_USB_OV] = { + .mask = RK816_IRQ_USB_OV_MSK, + .reg_offset = 1, + }, +}; + +static struct regmap_irq_chip rk816_irq_chip = { + .name = "rk816", + .irqs = rk816_irqs, + .num_irqs = ARRAY_SIZE(rk816_irqs), + .num_regs = 2, + .irq_reg_stride = 3, + .status_base = RK816_INT_STS_REG1, + .mask_base = RK816_INT_STS_MSK_REG1, + .ack_base = RK816_INT_STS_REG1, + .init_ack_masked = true, +}; + +static const struct mfd_cell rk818s[] = { + { .name = "rk808-clkout", }, + { .name = "rk808-regulator", }, + { .name = "rk818-battery", .of_compatible = "rk818-battery", }, + { .name = "rk818-charger", }, + { + .name = "rk808-rtc", + .num_resources = ARRAY_SIZE(rtc_resources), + .resources = &rtc_resources[0], + }, +}; + +static const struct rk808_reg_data rk818_pre_init_reg[] = { + { RK818_H5V_EN_REG, REF_RDY_CTRL_ENABLE | H5V_EN_MASK, + REF_RDY_CTRL_ENABLE | H5V_EN_ENABLE }, + { RK818_DCDC_EN_REG, BOOST_EN_MASK | SWITCH_EN_MASK, + BOOST_EN_ENABLE | SWITCH_EN_ENABLE }, + { RK818_SLEEP_SET_OFF_REG1, OTG_SLP_SET_MASK, OTG_SLP_SET_OFF }, + { RK818_BUCK4_CONFIG_REG, BUCK_ILMIN_MASK, BUCK_ILMIN_250MA }, + { RK808_RTC_CTRL_REG, RTC_STOP, RTC_STOP}, +}; + +static const struct regmap_irq rk818_irqs[] = { + /* INT_STS */ + [RK818_IRQ_VOUT_LO] = { + .mask = VOUT_LO_MASK, + .reg_offset = 0, + }, + [RK818_IRQ_VB_LO] = { + .mask = VB_LO_MASK, + .reg_offset = 0, + }, + [RK818_IRQ_PWRON] = { + .mask = PWRON_MASK, + .reg_offset = 0, + }, + [RK818_IRQ_PWRON_LP] = { + .mask = PWRON_LP_MASK, + .reg_offset = 0, + }, + [RK818_IRQ_HOTDIE] = { + .mask = HOTDIE_MASK, + .reg_offset = 0, + }, + [RK818_IRQ_RTC_ALARM] = { + .mask = RTC_ALARM_MASK, + .reg_offset = 0, + }, + [RK818_IRQ_RTC_PERIOD] = { + .mask = RTC_PERIOD_MASK, + .reg_offset = 0, + }, + [RK818_IRQ_USB_OV] = { + .mask = USB_OV_MASK, + .reg_offset = 0, + }, + /* INT_STS2 */ + [RK818_IRQ_PLUG_IN] = { + .mask = PLUG_IN_MASK, + .reg_offset = 1, + }, + [RK818_IRQ_PLUG_OUT] = { + .mask = PLUG_OUT_MASK, + .reg_offset = 1, + }, + [RK818_IRQ_CHG_OK] = { + .mask = CHGOK_MASK, + .reg_offset = 1, + }, + [RK818_IRQ_CHG_TE] = { + .mask = CHGTE_MASK, + .reg_offset = 1, + }, + [RK818_IRQ_CHG_TS1] = { + .mask = CHGTS1_MASK, + .reg_offset = 1, + }, + [RK818_IRQ_TS2] = { + .mask = TS2_MASK, + .reg_offset = 1, + }, + [RK818_IRQ_CHG_CVTLIM] = { + .mask = CHG_CVTLIM_MASK, + .reg_offset = 1, + }, + [RK818_IRQ_DISCHG_ILIM] = { + .mask = DISCHG_ILIM_MASK, + .reg_offset = 1, + }, +}; + +static struct regmap_irq_chip rk818_irq_chip = { + .name = "rk818", + .irqs = rk818_irqs, + .num_irqs = ARRAY_SIZE(rk818_irqs), + .num_regs = 2, + .irq_reg_stride = 2, + .status_base = RK808_INT_STS_REG1, + .mask_base = RK808_INT_STS_MSK_REG1, + .ack_base = RK808_INT_STS_REG1, + .init_ack_masked = true, +}; + +static const struct regmap_irq rk805_irqs[] = { + [RK805_IRQ_PWRON_RISE] = { + .mask = RK805_IRQ_PWRON_RISE_MSK, + .reg_offset = 0, + }, + [RK805_IRQ_VB_LOW] = { + .mask = RK805_IRQ_VB_LOW_MSK, + .reg_offset = 0, + }, + [RK805_IRQ_PWRON] = { + .mask = RK805_IRQ_PWRON_MSK, + .reg_offset = 0, + }, + [RK805_IRQ_PWRON_LP] = { + .mask = RK805_IRQ_PWRON_LP_MSK, + .reg_offset = 0, + }, + [RK805_IRQ_HOTDIE] = { + .mask = RK805_IRQ_HOTDIE_MSK, + .reg_offset = 0, + }, + [RK805_IRQ_RTC_ALARM] = { + .mask = RK805_IRQ_RTC_ALARM_MSK, + .reg_offset = 0, + }, + [RK805_IRQ_RTC_PERIOD] = { + .mask = RK805_IRQ_RTC_PERIOD_MSK, + .reg_offset = 0, + }, + [RK805_IRQ_PWRON_FALL] = { + .mask = RK805_IRQ_PWRON_FALL_MSK, + .reg_offset = 0, + }, +}; + +static struct regmap_irq_chip rk805_irq_chip = { + .name = "rk805", + .irqs = rk805_irqs, + .num_irqs = ARRAY_SIZE(rk805_irqs), + .num_regs = 1, + .status_base = RK805_INT_STS_REG, + .mask_base = RK805_INT_STS_MSK_REG, + .ack_base = RK805_INT_STS_REG, + .init_ack_masked = true, +}; + +static const struct mfd_cell rk805s[] = { + { .name = "rk808-clkout", }, + { .name = "rk818-regulator", }, + { .name = "rk8xx-gpio", }, + { + .name = "rk8xx-pwrkey", + .num_resources = ARRAY_SIZE(pwrkey_resources), + .resources = &pwrkey_resources[0], + }, + { + .name = "rk808-rtc", + .num_resources = ARRAY_SIZE(rtc_resources), + .resources = &rtc_resources[0], + }, +}; + +static const struct rk808_reg_data rk805_pre_init_reg[] = { + {RK805_BUCK4_CONFIG_REG, BUCK_ILMIN_MASK, BUCK_ILMIN_400MA}, + {RK805_GPIO_IO_POL_REG, SLP_SD_MSK, SLEEP_FUN}, + {RK808_RTC_CTRL_REG, RTC_STOP, RTC_STOP}, + {RK805_THERMAL_REG, TEMP_HOTDIE_MSK, TEMP115C}, +}; + +static int (*pm_shutdown)(struct regmap *regmap); +static int (*pm_shutdown_prepare)(struct regmap *regmap); static struct i2c_client *rk808_i2c_client; + +static void rk808_device_shutdown_prepare(void) +{ + int ret; + struct rk808 *rk808 = i2c_get_clientdata(rk808_i2c_client); + + if (gpio_is_valid(rk808->stby_gpio)) { + printk("rk808->stby_gpio(%d)=low\n", rk808->stby_gpio); + gpio_direction_output(rk808->stby_gpio, 0); + } + if (gpio_is_valid(rk808->hold_gpio)) { + printk("rk808->hold_gpio(%d)=low\n", rk808->hold_gpio); + gpio_direction_output(rk808->hold_gpio, 0); + mdelay(200); + } + if (!rk808) { + dev_warn(&rk808_i2c_client->dev, + "have no rk808, so do nothing here\n"); + return; + } + + if (pm_shutdown_prepare) { + ret = pm_shutdown_prepare(rk808->regmap); + if (ret) + dev_err(&rk808_i2c_client->dev, + "power off prepare error!\n"); + } +} + static void rk808_device_shutdown(void) { int ret; @@ -160,21 +607,106 @@ static void rk808_device_shutdown(void) return; } - ret = regmap_update_bits(rk808->regmap, - RK808_DEVCTRL_REG, - DEV_OFF_RST, DEV_OFF_RST); - if (ret) - dev_err(&rk808_i2c_client->dev, "power off error!\n"); + /* close rtc int when power off */ +#if 0 + regmap_update_bits(rk808->regmap, + RK808_INT_STS_MSK_REG1, + (0x3 << 5), (0x3 << 5)); + regmap_update_bits(rk808->regmap, + RK808_RTC_INT_REG, + (0x3 << 2), (0x0 << 2)); +#endif + + if (gpio_is_valid(rk808->stby_gpio)) { + printk("rk808->stby_gpio(%d)=low\n", rk808->stby_gpio); + gpio_direction_output(rk808->stby_gpio, 0); + } + if (gpio_is_valid(rk808->hold_gpio)) { + printk("rk808->hold_gpio(%d)=low\n", rk808->hold_gpio); + gpio_direction_output(rk808->hold_gpio, 0); + mdelay(200); + } + if (pm_shutdown) { + ret = pm_shutdown(rk808->regmap); + if (ret) + dev_err(&rk808_i2c_client->dev, "power off error!\n"); + } + printk("%s-%d: pm_shutdown\n", __FUNCTION__, __LINE__); } +static ssize_t rk8xx_dbg_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + int ret; + char cmd; + u32 input[2], addr, data; + struct rk808 *rk808 = i2c_get_clientdata(rk808_i2c_client); + + ret = sscanf(buf, "%c ", &cmd); + switch (cmd) { + case 'w': + ret = sscanf(buf, "%c %x %x ", &cmd, &input[0], &input[1]); + if (ret != 3) { + pr_err("erro! cmd format: echo w [addr] [value]\n"); + goto out; + }; + addr = input[0] & 0xff; + data = input[1] & 0xff; + pr_info("cmd : %c %x %x\n\n", cmd, input[0], input[1]); + regmap_write(rk808->regmap, addr, data); + regmap_read(rk808->regmap, addr, &data); + pr_info("new: %x %x\n", addr, data); + break; + case 'r': + ret = sscanf(buf, "%c %x ", &cmd, &input[0]); + if (ret != 2) { + pr_err("erro! cmd format: echo r [addr]\n"); + goto out; + }; + pr_info("cmd : %c %x\n\n", cmd, input[0]); + addr = input[0] & 0xff; + regmap_read(rk808->regmap, addr, &data); + pr_info("%x %x\n", input[0], data); + break; + default: + pr_err("Unknown command\n"); + break; + } + +out: + return count; +} + +static struct kobject *rk8xx_kobj; +static struct device_attribute rk8xx_attrs = + __ATTR(rk8xx_dbg, 0200, NULL, rk8xx_dbg_store); + +static const struct of_device_id rk808_of_match[] = { + { .compatible = "rockchip,rk805" }, + { .compatible = "rockchip,rk808" }, + { .compatible = "rockchip,rk816" }, + { .compatible = "rockchip,rk818" }, + { }, +}; + +MODULE_DEVICE_TABLE(of, rk808_of_match); + static int rk808_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct device_node *np = client->dev.of_node; struct rk808 *rk808; - int pm_off = 0; - int ret; - int i; + int (*pm_shutdown_fn)(struct regmap *regmap) = NULL; + int (*pm_shutdown_prepare_fn)(struct regmap *regmap) = NULL; + const struct rk808_reg_data *pre_init_reg; + const struct regmap_config *regmap_config; + const struct regmap_irq_chip *irq_chip; + const struct mfd_cell *cell; + u8 on_source = 0, off_source = 0; + int msb, lsb, reg_num, cell_num; + int ret, i, pm_off = 0; + unsigned int on, off; if (!client->irq) { dev_err(&client->dev, "No interrupt support, no core IRQ\n"); @@ -185,26 +717,114 @@ static int rk808_probe(struct i2c_client *client, if (!rk808) return -ENOMEM; - rk808->regmap = devm_regmap_init_i2c(client, &rk808_regmap_config); + /* read Chip variant */ + msb = i2c_smbus_read_byte_data(client, RK808_ID_MSB); + if (msb < 0) { + dev_err(&client->dev, "failed to read the chip id at 0x%x\n", + RK808_ID_MSB); + return msb; + } + + lsb = i2c_smbus_read_byte_data(client, RK808_ID_LSB); + if (lsb < 0) { + dev_err(&client->dev, "failed to read the chip id at 0x%x\n", + RK808_ID_LSB); + return lsb; + } + + rk808->variant = ((msb << 8) | lsb) & RK8XX_ID_MSK; + dev_info(&client->dev, "Pmic Chip id: 0x%lx\n", rk808->variant); + + /* set Chip platform init data*/ + switch (rk808->variant) { + case RK818_ID: + cell = rk818s; + cell_num = ARRAY_SIZE(rk818s); + pre_init_reg = rk818_pre_init_reg; + reg_num = ARRAY_SIZE(rk818_pre_init_reg); + regmap_config = &rk818_regmap_config; + irq_chip = &rk818_irq_chip; + pm_shutdown_fn = rk818_shutdown; + on_source = RK818_ON_SOURCE_REG; + off_source = RK818_OFF_SOURCE_REG; + break; + case RK816_ID: + cell = rk816s; + cell_num = ARRAY_SIZE(rk816s); + pre_init_reg = rk816_pre_init_reg; + reg_num = ARRAY_SIZE(rk816_pre_init_reg); + regmap_config = &rk816_regmap_config; + irq_chip = &rk816_irq_chip; + pm_shutdown_fn = rk816_shutdown; + on_source = RK816_ON_SOURCE_REG; + off_source = RK816_OFF_SOURCE_REG; + break; + case RK808_ID: + cell = rk808s; + cell_num = ARRAY_SIZE(rk808s); + pre_init_reg = rk808_pre_init_reg; + reg_num = ARRAY_SIZE(rk808_pre_init_reg); + regmap_config = &rk808_regmap_config; + irq_chip = &rk808_irq_chip; + pm_shutdown_fn = rk808_shutdown; + break; + case RK805_ID: + cell = rk805s; + cell_num = ARRAY_SIZE(rk805s); + pre_init_reg = rk805_pre_init_reg; + reg_num = ARRAY_SIZE(rk805_pre_init_reg); + regmap_config = &rk805_regmap_config; + irq_chip = &rk805_irq_chip; + pm_shutdown_prepare_fn = rk805_shutdown_prepare; + on_source = RK805_ON_SOURCE_REG; + off_source = RK805_OFF_SOURCE_REG; + break; + default: + dev_err(&client->dev, "unsupported RK8XX ID 0x%lx\n", + rk808->variant); + return -EINVAL; + } + + rk808->regmap = devm_regmap_init_i2c(client, regmap_config); if (IS_ERR(rk808->regmap)) { dev_err(&client->dev, "regmap initialization failed\n"); return PTR_ERR(rk808->regmap); } - for (i = 0; i < ARRAY_SIZE(pre_init_reg); i++) { - ret = regmap_update_bits(rk808->regmap, pre_init_reg[i].addr, + /* on & off source */ + if (on_source && off_source) { + ret = regmap_read(rk808->regmap, on_source, &on); + if (ret) { + dev_err(&client->dev, "read 0x%x failed\n", on_source); + return ret; + } + + ret = regmap_read(rk808->regmap, off_source, &off); + if (ret) { + dev_err(&client->dev, "read 0x%x failed\n", off_source); + return ret; + } + + dev_info(&client->dev, "source: on=0x%02x, off=0x%02x\n", + on, off); + } + + for (i = 0; i < reg_num; i++) { + ret = regmap_update_bits(rk808->regmap, + pre_init_reg[i].addr, pre_init_reg[i].mask, pre_init_reg[i].value); if (ret) { dev_err(&client->dev, - "0x%x write err\n", pre_init_reg[i].addr); + "0x%x write err\n", + pre_init_reg[i].addr); return ret; } } ret = regmap_add_irq_chip(rk808->regmap, client->irq, IRQF_ONESHOT, -1, - &rk808_irq_chip, &rk808->irq_data); + irq_chip, &rk808->irq_data); if (ret) { dev_err(&client->dev, "Failed to add irq_chip %d\n", ret); return ret; @@ -214,7 +834,7 @@ static int rk808_probe(struct i2c_client *client, i2c_set_clientdata(client, rk808); ret = mfd_add_devices(&client->dev, -1, - rk808s, ARRAY_SIZE(rk808s), + cell, cell_num, NULL, 0, regmap_irq_get_domain(rk808->irq_data)); if (ret) { dev_err(&client->dev, "failed to add MFD devices %d\n", ret); @@ -223,9 +843,53 @@ static int rk808_probe(struct i2c_client *client, pm_off = of_property_read_bool(np, "rockchip,system-power-controller"); - if (pm_off && !pm_power_off) { + if (pm_off) { rk808_i2c_client = client; - pm_power_off = rk808_device_shutdown; + if (pm_shutdown_prepare_fn) { + pm_shutdown_prepare = pm_shutdown_prepare_fn; + pm_power_off_prepare = rk808_device_shutdown_prepare; + } + if (pm_shutdown_fn) { + pm_shutdown = pm_shutdown_fn; + pm_power_off = rk808_device_shutdown; + } + } + + rk8xx_kobj = kobject_create_and_add("rk8xx", NULL); + if (rk8xx_kobj) { + ret = sysfs_create_file(rk8xx_kobj, &rk8xx_attrs.attr); + if (ret) + dev_err(&client->dev, "create rk8xx sysfs error\n"); + } + //pmic,hold-gpio + rk808->hold_gpio = of_get_named_gpio(np, "pmic,hold-gpio", 0); + if (gpio_is_valid(rk808->hold_gpio)) { + ret = devm_gpio_request(&client->dev, rk808->hold_gpio, "pmic-hold-gpio"); + if(ret < 0){ + dev_err(&client->dev, "pmic-hold-gpio request ERROR\n"); + goto err_irq; + } + dev_dbg(&client->dev, "hold_gpio(%d)=high\n", rk808->hold_gpio); + gpio_direction_output(rk808->hold_gpio, 1); + } + else { + dev_err(&client->dev, "Can not read property pmic,hold-gpio\n"); + //goto err_irq; + } + + //pmic,stby-gpio + rk808->stby_gpio = of_get_named_gpio(np, "pmic,stby-gpio", 0); + if (gpio_is_valid(rk808->stby_gpio)) { + ret = devm_gpio_request(&client->dev, rk808->stby_gpio, "pmic-stby-gpio"); + if(ret < 0){ + dev_err(&client->dev, "devm_gpio_request pmic-stby-gpio request ERROR\n"); + goto err_irq; + } + dev_dbg(&client->dev, "stby_gpio(%d)=low\n", rk808->stby_gpio); + gpio_direction_output(rk808->stby_gpio, 1); + } else { + dev_err(&client->dev, "Can not read property pmic,stby-gpio\n"); + //goto err_irq; } return 0; @@ -241,19 +905,19 @@ static int rk808_remove(struct i2c_client *client) regmap_del_irq_chip(client->irq, rk808->irq_data); mfd_remove_devices(&client->dev); - pm_power_off = NULL; + if (pm_power_off == rk808_device_shutdown) + pm_power_off = NULL; + if (pm_power_off_prepare == rk808_device_shutdown_prepare) + pm_power_off_prepare = NULL; return 0; } -static const struct of_device_id rk808_of_match[] = { - { .compatible = "rockchip,rk808" }, - { }, -}; -MODULE_DEVICE_TABLE(of, rk808_of_match); - static const struct i2c_device_id rk808_ids[] = { + { "rk805" }, { "rk808" }, + { "rk816" }, + { "rk818" }, { }, }; MODULE_DEVICE_TABLE(i2c, rk808_ids); @@ -273,4 +937,5 @@ module_i2c_driver(rk808_i2c_driver); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Chris Zhong "); MODULE_AUTHOR("Zhang Qing "); +MODULE_AUTHOR("Chen jianhong "); MODULE_DESCRIPTION("RK808 PMIC driver");