mfd: tps65217: Tell regmap what registers are valid

Allow regmap to provide debugfs access to the register map by telling it
what registers are valid.
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

drivers/mfd/tps65217.c

@@ -146,6 +146,8 @@ EXPORT_SYMBOL_GPL(tps65217_clear_bits);
 static struct regmap_config tps65217_regmap_config = {
 	.reg_bits = 8,
 	.val_bits = 8,
+
+	.max_register = TPS65217_REG_MAX,
 };
 
 static const struct of_device_id tps65217_of_match[] = {

include/linux/mfd/tps65217.h

@@ -60,6 +60,8 @@
 #define TPS65217_REG_SEQ5		0X1D
 #define TPS65217_REG_SEQ6		0X1E
 
+#define TPS65217_REG_MAX		TPS65217_REG_SEQ6
+
 /* Register field definitions */
 #define TPS65217_CHIPID_CHIP_MASK	0xF0
 #define TPS65217_CHIPID_REV_MASK	0x0F