fixup! WIP: mfd: Add support for Flipper One's MCU

Author: alchark

drivers/mfd/flipper-one-mcu.c

@@ -17,6 +17,7 @@ static const struct regmap_range fomcu_writeable_reg_ranges[] = {
 			 FOMCU_REG_INPUT_BTNS - 1),
 	regmap_reg_range(FOMCU_REG_LEDS_BR_LINK,
 			 FOMCU_REG_LEDS_COLOR_LINK4),
+	regmap_reg_range(FOMCU_REG_HAPTIC, FOMCU_REG_HAPTIC),
 };
 
 static const struct regmap_access_table fomcu_writeable_regs = {
@@ -94,6 +95,7 @@ static const struct resource fo_input_irqs[] = {
 };
 
 static const struct mfd_cell cells[] = {
+	MFD_CELL_NAME("flipper-one-haptic"),
 	MFD_CELL_RES("flipper-one-input", fo_input_irqs),
 	MFD_CELL_NAME("flipper-one-leds"),
 	MFD_CELL_NAME("flipper-one-power"),

include/linux/mfd/flipper-one-mcu.h

@@ -44,7 +44,12 @@ enum fomcu_interrupts {
 #define FOMCU_REG_LEDS_COLOR_LINK3	0x0314
 #define FOMCU_REG_LEDS_COLOR_LINK4	0x0316
 
-#define FOMCU_REG_MAX			(FOMCU_REG_LEDS_COLOR_LINK4 + 1)
+#define FOMCU_REG_HAPTIC		0x0400
+#define FOMCU_HAPTIC_PLAY		BIT(15)
+#define FOMCU_HAPTIC_EFFECT		GENMASK(14, 8)
+#define FOMCU_HAPTIC_DURATION		GENMASK(7, 0)
+
+#define FOMCU_REG_MAX			(FOMCU_REG_HAPTIC + 1)
 
 struct fomcu_device {
 	struct i2c_client *client;