X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=include%2Freset.h;h=7185ade7ac5e96a56b0c0e0d3d332641400310ec;hb=2147c0d253fdacdf340049a670b675bc5f48dcb0;hp=dc0900f96ab30dd787670465c9ae46c342db5d00;hpb=2313d48445e59f063ec9a3b4940fe8252737db76;p=u-boot diff --git a/include/reset.h b/include/reset.h index dc0900f96a..7185ade7ac 100644 --- a/include/reset.h +++ b/include/reset.h @@ -7,6 +7,8 @@ #ifndef _RESET_H #define _RESET_H +#include + /** * A reset is a hardware signal indicating that a HW module (or IP block, or * sometimes an entire off-CPU chip) reset all of its internal state to some @@ -58,6 +60,7 @@ struct reset_ctl { unsigned long id; }; +#ifdef CONFIG_DM_RESET /** * reset_get_by_index - Get/request a reset signal by integer index. * @@ -96,6 +99,15 @@ int reset_get_by_index(struct udevice *dev, int index, int reset_get_by_name(struct udevice *dev, const char *name, struct reset_ctl *reset_ctl); +/** + * reset_request - Request a reset signal. + * + * @reset_ctl: A reset control struct. + * + * @return 0 if OK, or a negative error code. + */ +int reset_request(struct reset_ctl *reset_ctl); + /** * reset_free - Free a previously requested reset signal. * @@ -132,4 +144,51 @@ int reset_assert(struct reset_ctl *reset_ctl); */ int reset_deassert(struct reset_ctl *reset_ctl); +/** + * reset_release_all - Assert/Free an array of previously requested resets. + * + * For each reset contained in the reset array, this function will check if + * reset has been previously requested and then will assert and free it. + * + * @reset_ctl: A reset struct array that was previously successfully + * requested by reset_get_by_*(). + * @count Number of reset contained in the array + * @return 0 if OK, or a negative error code. + */ +int reset_release_all(struct reset_ctl *reset_ctl, int count); +#else +static inline int reset_get_by_index(struct udevice *dev, int index, + struct reset_ctl *reset_ctl) +{ + return -ENOTSUPP; +} + +static inline int reset_get_by_name(struct udevice *dev, const char *name, + struct reset_ctl *reset_ctl) +{ + return -ENOTSUPP; +} + +static inline int reset_free(struct reset_ctl *reset_ctl) +{ + return 0; +} + +static inline int reset_assert(struct reset_ctl *reset_ctl) +{ + return 0; +} + +static inline int reset_deassert(struct reset_ctl *reset_ctl) +{ + return 0; +} + +static inline int reset_release_all(struct reset_ctl *reset_ctl, int count) +{ + return 0; +} + +#endif + #endif