diff options
Diffstat (limited to 'include/linux/omap-gpmc.h')
| -rw-r--r-- | include/linux/omap-gpmc.h | 34 |
1 files changed, 25 insertions, 9 deletions
diff --git a/include/linux/omap-gpmc.h b/include/linux/omap-gpmc.h index fd0de00c0d77..053feb41510a 100644 --- a/include/linux/omap-gpmc.h +++ b/include/linux/omap-gpmc.h @@ -25,28 +25,44 @@ struct gpmc_nand_ops { struct gpmc_nand_regs; +struct gpmc_onenand_info { + bool sync_read; + bool sync_write; + int burst_len; +}; + #if IS_ENABLED(CONFIG_OMAP_GPMC) struct gpmc_nand_ops *gpmc_omap_get_nand_ops(struct gpmc_nand_regs *regs, int cs); +/** + * gpmc_omap_onenand_set_timings - set optimized sync timings. + * @cs: Chip Select Region + * @freq: Chip frequency + * @latency: Burst latency cycle count + * @info: Structure describing parameters used + * + * Sets optimized timings for the @cs region based on @freq and @latency. + * Updates the @info structure based on the GPMC settings. + */ +int gpmc_omap_onenand_set_timings(struct device *dev, int cs, int freq, + int latency, + struct gpmc_onenand_info *info); + #else static inline struct gpmc_nand_ops *gpmc_omap_get_nand_ops(struct gpmc_nand_regs *regs, int cs) { return NULL; } -#endif /* CONFIG_OMAP_GPMC */ - -/*--------------------------------*/ -/* deprecated APIs */ -#if IS_ENABLED(CONFIG_OMAP_GPMC) -void gpmc_update_nand_reg(struct gpmc_nand_regs *reg, int cs); -#else -static inline void gpmc_update_nand_reg(struct gpmc_nand_regs *reg, int cs) +static inline +int gpmc_omap_onenand_set_timings(struct device *dev, int cs, int freq, + int latency, + struct gpmc_onenand_info *info) { + return -EINVAL; } #endif /* CONFIG_OMAP_GPMC */ -/*--------------------------------*/ extern int gpmc_calc_timings(struct gpmc_timings *gpmc_t, struct gpmc_settings *gpmc_s, |