diff options
Diffstat (limited to 'drivers/clk')
| -rw-r--r-- | drivers/clk/clk-cdce925.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/drivers/clk/clk-cdce925.c b/drivers/clk/clk-cdce925.c index 23c9326ea48c..308b353815e1 100644 --- a/drivers/clk/clk-cdce925.c +++ b/drivers/clk/clk-cdce925.c @@ -16,6 +16,7 @@ #include <linux/module.h> #include <linux/i2c.h> #include <linux/regmap.h> +#include <linux/regulator/consumer.h> #include <linux/slab.h> #include <linux/gcd.h> @@ -602,6 +603,30 @@ of_clk_cdce925_get(struct of_phandle_args *clkspec, void *_data) return &data->clk[idx].hw; } +static void cdce925_regulator_disable(void *regulator) +{ + regulator_disable(regulator); +} + +static int cdce925_regulator_enable(struct device *dev, const char *name) +{ + struct regulator *regulator; + int err; + + regulator = devm_regulator_get(dev, name); + if (IS_ERR(regulator)) + return PTR_ERR(regulator); + + err = regulator_enable(regulator); + if (err) { + dev_err(dev, "Failed to enable %s: %d\n", name, err); + return err; + } + + return devm_add_action_or_reset(dev, cdce925_regulator_disable, + regulator); +} + /* The CDCE925 uses a funky way to read/write registers. Bulk mode is * just weird, so just use the single byte mode exclusively. */ static struct regmap_bus regmap_cdce925_bus = { @@ -630,6 +655,15 @@ static int cdce925_probe(struct i2c_client *client, }; dev_dbg(&client->dev, "%s\n", __func__); + + err = cdce925_regulator_enable(&client->dev, "vdd"); + if (err) + return err; + + err = cdce925_regulator_enable(&client->dev, "vddout"); + if (err) + return err; + data = devm_kzalloc(&client->dev, sizeof(*data), GFP_KERNEL); if (!data) return -ENOMEM; |