drivers/mfd/atmel-smc.c

3  * Atmel SMC (Static Memory Controller) helper functions.
11 #include <linux/mfd/syscon/atmel-smc.h>
15  * atmel_smc_cs_conf_init - initialize a SMC CS conf
16  * @conf: the SMC CS conf to initialize
28  *				 format expected by the SMC engine
36  * (section "SMC Setup/Pulse/Cycle/Timings Register"). This is a generic
79  * atmel_smc_cs_conf_set_timing - set the SMC CS conf Txx parameter to a
81  * @conf: SMC CS conf descriptor
87  * (section "SMC Timings Register"), and then stores the result in the
121  * atmel_smc_cs_conf_set_setup - set the SMC CS conf xx_SETUP parameter to a
123  * @conf: SMC CS conf descriptor
129  * (section "SMC Setup Register"), and then stores the result in the
146 	 * The formula described in atmel datasheets (section "SMC Setup  in atmel_smc_cs_conf_set_setup()
160  * atmel_smc_cs_conf_set_pulse - set the SMC CS conf xx_PULSE parameter to a
162  * @conf: SMC CS conf descriptor
168  * (section "SMC Pulse Register"), and then stores the result in the
185 	 * The formula described in atmel datasheets (section "SMC Pulse  in atmel_smc_cs_conf_set_pulse()
199  * atmel_smc_cs_conf_set_cycle - set the SMC CS conf xx_CYCLE parameter to a
201  * @conf: SMC CS conf descriptor
207  * (section "SMC Cycle Register"), and then stores the result in the
223 	 * The formula described in atmel datasheets (section "SMC Cycle  in atmel_smc_cs_conf_set_cycle()
237  * atmel_smc_cs_conf_apply - apply an SMC CS conf
238  * @regmap: the SMC regmap
240  * @conf: the SMC CS conf to apply
242  * Applies an SMC CS configuration.
256  * atmel_hsmc_cs_conf_apply - apply an SMC CS conf
260  * @conf: the SMC CS conf to apply
262  * Applies an SMC CS configuration.
278  * atmel_smc_cs_conf_get - retrieve the current SMC CS conf
279  * @regmap: the SMC regmap
281  * @conf: the SMC CS conf object to store the current conf
283  * Retrieve the SMC CS configuration.
297  * atmel_hsmc_cs_conf_get - retrieve the current SMC CS conf
301  * @conf: the SMC CS conf object to store the current conf
303  * Retrieve the SMC CS configuration.
327 	{ .compatible = "atmel,at91sam9260-smc", .data = NULL },
328 	{ .compatible = "atmel,sama5d3-smc", .data = &sama5d3_reg_layout },
329 	{ .compatible = "atmel,sama5d2-smc", .data = &sama5d2_reg_layout },
339  * Returns NULL in case of SMC, a struct atmel_hsmc_reg_layout pointer