#include <linux/i2c.h>
#include <linux/regmap.h>
#include <linux/regulator/of_regulator.h>
+#include <linux/regulator/machine.h>
#include <linux/mfd/core.h>
#include <linux/mfd/tps6586x.h>
+#define TPS6586X_SUPPLYENE 0x14
+#define EXITSLREQ_BIT BIT(1)
+#define SLEEP_MODE_BIT BIT(3)
+
/* interrupt control registers */
#define TPS6586X_INT_ACK1 0xb5
#define TPS6586X_INT_ACK2 0xb6
#ifdef CONFIG_OF
static struct of_regulator_match tps6586x_matches[] = {
+ { .name = "sys", .driver_data = (void *)TPS6586X_ID_SYS },
{ .name = "sm0", .driver_data = (void *)TPS6586X_ID_SM_0 },
{ .name = "sm1", .driver_data = (void *)TPS6586X_ID_SM_1 },
{ .name = "sm2", .driver_data = (void *)TPS6586X_ID_SM_2 },
struct tps6586x_platform_data *pdata;
struct tps6586x_subdev_info *devs;
struct device_node *regs;
+ const char *sys_rail_name = NULL;
unsigned int count;
unsigned int i, j;
int err;
return NULL;
for (i = 0, j = 0; i < num && j < count; i++) {
+ struct regulator_init_data *reg_idata;
+
if (!tps6586x_matches[i].init_data)
continue;
+ reg_idata = tps6586x_matches[i].init_data;
devs[j].name = "tps6586x-regulator";
devs[j].platform_data = tps6586x_matches[i].init_data;
devs[j].id = (int)tps6586x_matches[i].driver_data;
+ if (devs[j].id == TPS6586X_ID_SYS)
+ sys_rail_name = reg_idata->constraints.name;
+
+ if ((devs[j].id == TPS6586X_ID_LDO_5) ||
+ (devs[j].id == TPS6586X_ID_LDO_RTC))
+ reg_idata->supply_regulator = sys_rail_name;
+
devs[j].of_node = tps6586x_matches[i].of_node;
j++;
}
pdata->subdevs = devs;
pdata->gpio_base = -1;
pdata->irq_base = -1;
+ pdata->pm_off = of_property_read_bool(np, "ti,system-power-controller");
return pdata;
}
.cache_type = REGCACHE_RBTREE,
};
+static struct device *tps6586x_dev;
+static void tps6586x_power_off(void)
+{
+ if (tps6586x_clr_bits(tps6586x_dev, TPS6586X_SUPPLYENE, EXITSLREQ_BIT))
+ return;
+
+ tps6586x_set_bits(tps6586x_dev, TPS6586X_SUPPLYENE, SLEEP_MODE_BIT);
+}
+
static int __devinit tps6586x_i2c_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
goto err_add_devs;
}
+ if (pdata->pm_off && !pm_power_off) {
+ tps6586x_dev = &client->dev;
+ pm_power_off = tps6586x_power_off;
+ }
+
return 0;
err_add_devs: