diff options
Diffstat (limited to 'include/clk.h')
| -rw-r--r-- | include/clk.h | 42 |
1 files changed, 32 insertions, 10 deletions
diff --git a/include/clk.h b/include/clk.h index 254ad2b876..941808a50e 100644 --- a/include/clk.h +++ b/include/clk.h @@ -8,6 +8,10 @@ #ifndef _CLK_H_ #define _CLK_H_ +#include <linux/types.h> + +struct udevice; + int soc_clk_dump(void); struct clk_ops { @@ -29,19 +33,28 @@ struct clk_ops { ulong (*set_rate)(struct udevice *dev, ulong rate); /** - * clk_set_periph_rate() - Set clock rate for a peripheral - * - * @dev: Device to adjust (UCLASS_CLK) - * @rate: New clock rate in Hz - * @return new clock rate in Hz, or -ve error code - */ + * enable() - Enable the clock for a peripheral + * + * @dev: clock provider + * @periph: Peripheral ID to enable + * @return zero on success, or -ve error code + */ + int (*enable)(struct udevice *dev, int periph); + + /** + * get_periph_rate() - Get clock rate for a peripheral + * + * @dev: Device to check (UCLASS_CLK) + * @periph: Peripheral ID to check + * @return clock rate in Hz, or -ve error code + */ ulong (*get_periph_rate)(struct udevice *dev, int periph); /** - * clk_set_periph_rate() - Set current clock rate for a peripheral + * set_periph_rate() - Set current clock rate for a peripheral * * @dev: Device to update (UCLASS_CLK) - * @periph: Peripheral ID to cupdate + * @periph: Peripheral ID to update * @return new clock rate in Hz, or -ve error code */ ulong (*set_periph_rate)(struct udevice *dev, int periph, ulong rate); @@ -58,7 +71,7 @@ struct clk_ops { ulong clk_get_rate(struct udevice *dev); /** - * set_rate() - Set current clock rate + * clk_set_rate() - Set current clock rate * * @dev: Device to adjust * @rate: New clock rate in Hz @@ -67,6 +80,15 @@ ulong clk_get_rate(struct udevice *dev); ulong clk_set_rate(struct udevice *dev, ulong rate); /** + * clk_enable() - Enable the clock for a peripheral + * + * @dev: clock provider + * @periph: Peripheral ID to enable + * @return zero on success, or -ve error code + */ +int clk_enable(struct udevice *dev, int periph); + +/** * clk_get_periph_rate() - Get current clock rate for a peripheral * * @dev: Device to check (UCLASS_CLK) @@ -78,7 +100,7 @@ ulong clk_get_periph_rate(struct udevice *dev, int periph); * clk_set_periph_rate() - Set current clock rate for a peripheral * * @dev: Device to update (UCLASS_CLK) - * @periph: Peripheral ID to cupdate + * @periph: Peripheral ID to update * @return new clock rate in Hz, or -ve error code */ ulong clk_set_periph_rate(struct udevice *dev, int periph, ulong rate); |