const struct mfd_cell *rk8xx_cell;
int cell_num;
struct regmap_irq_chip *rk8xx_irq_chip;
+ int (*pm_shutdown)(struct regmap *regmap);
};
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_RST, DEV_OFF_RST);
+ 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 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,
.val_bits = 8,
.max_register = RK818_SAVE_DATA19,
.cache_type = REGCACHE_RBTREE,
- .volatile_reg = rk808_is_volatile_reg,
+ .volatile_reg = rk818_is_volatile_reg,
};
static const struct mfd_cell rk818s[] = {
{ .name = "rk808-clkout", },
{ .name = "rk818-regulator", },
+ { .name = "rk818-battery", .of_compatible = "rk818-battery", },
+ { .name = "rk818-charger", },
{
.name = "rk808-rtc",
.num_resources = ARRAY_SIZE(rtc_resources),
.rk8xx_cell = rk808s,
.cell_num = ARRAY_SIZE(rk808s),
.rk8xx_irq_chip = &rk808_irq_chip,
+ .pm_shutdown = rk808_shutdown,
};
static struct rk8xx_power_data rk818_power_data = {
.rk8xx_cell = rk818s,
.cell_num = ARRAY_SIZE(rk818s),
.rk8xx_irq_chip = &rk818_irq_chip,
+ .pm_shutdown = rk818_shutdown,
};
+static int (*pm_shutdown)(struct regmap *regmap);
static struct i2c_client *rk808_i2c_client;
+
static void rk808_device_shutdown(void)
{
int ret;
return;
}
- ret = regmap_update_bits(rk808->regmap,
- RK808_DEVCTRL_REG,
- DEV_OFF_RST, DEV_OFF_RST);
+ ret = pm_shutdown(rk808->regmap);
if (ret)
dev_err(&rk808_i2c_client->dev, "power off error!\n");
}
return PTR_ERR(rk808->regmap);
}
+ pm_shutdown = pdata->pm_shutdown;
+ if (!pm_shutdown) {
+ dev_err(&client->dev, "shutdown initialization failed\n");
+ return -EINVAL;
+ }
+
for (i = 0; i < pdata->reg_num; i++) {
ret = regmap_update_bits(rk808->regmap,
pdata->rk8xx_pre_init_reg[i].addr,