diff options
| -rw-r--r-- | drivers/clk/stm32/clk-stm32-core.c | 68 |
1 files changed, 64 insertions, 4 deletions
diff --git a/drivers/clk/stm32/clk-stm32-core.c b/drivers/clk/stm32/clk-stm32-core.c index df3b35b1003..a0ae89d0912 100644 --- a/drivers/clk/stm32/clk-stm32-core.c +++ b/drivers/clk/stm32/clk-stm32-core.c @@ -70,11 +70,71 @@ ulong clk_stm32_get_rate_by_name(const char *name) return 0; } +static const struct clk_ops *clk_dev_ops(struct udevice *dev) +{ + return (const struct clk_ops *)dev->driver->ops; +} + +static int stm32_clk_endisable(struct clk *clk, bool enable) +{ + const struct clk_ops *ops; + struct clk *c = NULL; + + if (!clk->id || clk_get_by_id(clk->id, &c)) + return -ENOENT; + + ops = clk_dev_ops(c->dev); + if (!ops->enable || !ops->disable) + return 0; + + return enable ? ops->enable(c) : ops->disable(c); +} + +static int stm32_clk_enable(struct clk *clk) +{ + return stm32_clk_endisable(clk, true); +} + +static int stm32_clk_disable(struct clk *clk) +{ + return stm32_clk_endisable(clk, false); +} + +static ulong stm32_clk_get_rate(struct clk *clk) +{ + const struct clk_ops *ops; + struct clk *c = NULL; + + if (!clk->id || clk_get_by_id(clk->id, &c)) + return -ENOENT; + + ops = clk_dev_ops(c->dev); + if (!ops->get_rate) + return -ENOSYS; + + return ops->get_rate(c); +} + +static ulong stm32_clk_set_rate(struct clk *clk, unsigned long clk_rate) +{ + const struct clk_ops *ops; + struct clk *c = NULL; + + if (!clk->id || clk_get_by_id(clk->id, &c)) + return -ENOENT; + + ops = clk_dev_ops(c->dev); + if (!ops->set_rate) + return -ENOSYS; + + return ops->set_rate(c, clk_rate); +} + const struct clk_ops stm32_clk_ops = { - .enable = ccf_clk_enable, - .disable = ccf_clk_disable, - .get_rate = ccf_clk_get_rate, - .set_rate = ccf_clk_set_rate, + .enable = stm32_clk_enable, + .disable = stm32_clk_disable, + .get_rate = stm32_clk_get_rate, + .set_rate = stm32_clk_set_rate, }; #define RCC_MP_ENCLRR_OFFSET 4 |