aboutsummaryrefslogtreecommitdiffstats
path: root/include/linux/mfd/syscon/atmel-smc.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/mfd/syscon/atmel-smc.h')
-rw-r--r--include/linux/mfd/syscon/atmel-smc.h32
1 files changed, 23 insertions, 9 deletions
diff --git a/include/linux/mfd/syscon/atmel-smc.h b/include/linux/mfd/syscon/atmel-smc.h
index afa266169800..7a367f34b66a 100644
--- a/include/linux/mfd/syscon/atmel-smc.h
+++ b/include/linux/mfd/syscon/atmel-smc.h
@@ -15,21 +15,26 @@
#define _LINUX_MFD_SYSCON_ATMEL_SMC_H_
#include <linux/kernel.h>
+#include <linux/of.h>
#include <linux/regmap.h>
#define ATMEL_SMC_SETUP(cs) (((cs) * 0x10))
-#define ATMEL_HSMC_SETUP(cs) (0x600 + ((cs) * 0x14))
+#define ATMEL_HSMC_SETUP(layout, cs) \
+ ((layout)->timing_regs_offset + ((cs) * 0x14))
#define ATMEL_SMC_PULSE(cs) (((cs) * 0x10) + 0x4)
-#define ATMEL_HSMC_PULSE(cs) (0x600 + ((cs) * 0x14) + 0x4)
+#define ATMEL_HSMC_PULSE(layout, cs) \
+ ((layout)->timing_regs_offset + ((cs) * 0x14) + 0x4)
#define ATMEL_SMC_CYCLE(cs) (((cs) * 0x10) + 0x8)
-#define ATMEL_HSMC_CYCLE(cs) (0x600 + ((cs) * 0x14) + 0x8)
+#define ATMEL_HSMC_CYCLE(layout, cs) \
+ ((layout)->timing_regs_offset + ((cs) * 0x14) + 0x8)
#define ATMEL_SMC_NWE_SHIFT 0
#define ATMEL_SMC_NCS_WR_SHIFT 8
#define ATMEL_SMC_NRD_SHIFT 16
#define ATMEL_SMC_NCS_RD_SHIFT 24
#define ATMEL_SMC_MODE(cs) (((cs) * 0x10) + 0xc)
-#define ATMEL_HSMC_MODE(cs) (0x600 + ((cs) * 0x14) + 0x10)
+#define ATMEL_HSMC_MODE(layout, cs) \
+ ((layout)->timing_regs_offset + ((cs) * 0x14) + 0x10)
#define ATMEL_SMC_MODE_READMODE_MASK BIT(0)
#define ATMEL_SMC_MODE_READMODE_NCS (0 << 0)
#define ATMEL_SMC_MODE_READMODE_NRD (1 << 0)
@@ -59,7 +64,8 @@
#define ATMEL_SMC_MODE_PS_16 (2 << 28)
#define ATMEL_SMC_MODE_PS_32 (3 << 28)
-#define ATMEL_HSMC_TIMINGS(cs) (0x600 + ((cs) * 0x14) + 0xc)
+#define ATMEL_HSMC_TIMINGS(layout, cs) \
+ ((layout)->timing_regs_offset + ((cs) * 0x14) + 0xc)
#define ATMEL_HSMC_TIMINGS_OCMS BIT(12)
#define ATMEL_HSMC_TIMINGS_RBNSEL(x) ((x) << 28)
#define ATMEL_HSMC_TIMINGS_NFSEL BIT(31)
@@ -69,6 +75,10 @@
#define ATMEL_HSMC_TIMINGS_TRR_SHIFT 16
#define ATMEL_HSMC_TIMINGS_TWB_SHIFT 24
+struct atmel_hsmc_reg_layout {
+ unsigned int timing_regs_offset;
+};
+
/**
* struct atmel_smc_cs_conf - SMC CS config as described in the datasheet.
* @setup: NCS/NWE/NRD setup timings (not applicable to at91rm9200)
@@ -98,11 +108,15 @@ int atmel_smc_cs_conf_set_cycle(struct atmel_smc_cs_conf *conf,
unsigned int shift, unsigned int ncycles);
void atmel_smc_cs_conf_apply(struct regmap *regmap, int cs,
const struct atmel_smc_cs_conf *conf);
-void atmel_hsmc_cs_conf_apply(struct regmap *regmap, int cs,
- const struct atmel_smc_cs_conf *conf);
+void atmel_hsmc_cs_conf_apply(struct regmap *regmap,
+ const struct atmel_hsmc_reg_layout *reglayout,
+ int cs, const struct atmel_smc_cs_conf *conf);
void atmel_smc_cs_conf_get(struct regmap *regmap, int cs,
struct atmel_smc_cs_conf *conf);
-void atmel_hsmc_cs_conf_get(struct regmap *regmap, int cs,
- struct atmel_smc_cs_conf *conf);
+void atmel_hsmc_cs_conf_get(struct regmap *regmap,
+ const struct atmel_hsmc_reg_layout *reglayout,
+ int cs, struct atmel_smc_cs_conf *conf);
+const struct atmel_hsmc_reg_layout *
+atmel_hsmc_get_reg_layout(struct device_node *np);
#endif /* _LINUX_MFD_SYSCON_ATMEL_SMC_H_ */