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mfd: rk630: Add rk630 ref clk

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Signed-off-by: Algea Cao <algea.cao@rock-chips.com>
Change-Id: Ie3ad8834ab5d0f25eeb8bdf52445f726192c0161
This commit is contained in:
Algea Cao
2022-03-08 18:07:14 +08:00
parent 25f1fa27d7
commit cbda874920
2 changed files with 18 additions and 0 deletions
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17
drivers/mfd/rk630.c
View File

@@ -223,6 +223,23 @@ int rk630_core_probe(struct rk630 *rk630)
struct device_node *np;
int ret;
rk630->ref_clk = devm_clk_get(rk630->dev, "ref");
if (IS_ERR(rk630->ref_clk)) {
dev_err(rk630->dev, "failed to get ref clk source\n");
return PTR_ERR(rk630->ref_clk);
}
ret = clk_prepare_enable(rk630->ref_clk);
if (ret < 0) {
dev_err(rk630->dev, "failed to enable ref clk - %d\n", ret);
return ret;
}
ret = devm_add_action_or_reset(rk630->dev, (void (*) (void *))clk_disable_unprepare,
rk630->ref_clk);
if (ret)
return ret;
rk630->reset_gpio = devm_gpiod_get(rk630->dev, "reset", 0);
if (IS_ERR(rk630->reset_gpio)) {
ret = PTR_ERR(rk630->reset_gpio);

1
include/linux/mfd/rk630.h
View File

@@ -223,6 +223,7 @@
struct rk630 {
struct device *dev;
struct i2c_client *client;
struct clk *ref_clk;
struct regmap *grf;
struct regmap *cru;
struct regmap *tve;