driver: pwm/pca9685: remove unimplemented misleading property

Invert property was not implemented and is now redundant with the flag
pwm-cell which is more flexible in case you want some IO to be inverted
and some not

Signed-off-by: Franck Duriez <[email protected]>

# Conflicts:
#	doc/releases/migration-guide-4.3.rst

Author: franckduriez

doc/releases/migration-guide-4.3.rst

@@ -65,6 +65,14 @@ MFD
   kconfig symbol ``MFD_AXP192_AXP2101`` is removed. :kconfig:option:`MFD_AXP192` is now to be
   used for AXP192 device while :kconfig:option:`MFD_AXP2101` for the AXP2101 one.
 
+PWM
+===
+
+* :dtcompatible:`nxp,pca9685` ``invert`` property has been removed and you can now use the
+  :c:macro:`PWM_POLARITY_INVERTED` or :c:macro:`PWM_POLARITY_NORMAL` flags as specifier cells for
+  space "pwm" are now named: ``['channel', 'period', 'flags']`` (old value:
+  ``['channel', 'period']``) and ``#pwm-cells`` const value changed from 2 to 3.
+
 Phy
 ===
 

drivers/pwm/pwm_pca9685.c

@@ -78,7 +78,6 @@ struct pca9685_config {
 	struct i2c_dt_spec i2c;
 	bool outdrv_open_drain;
 	bool och_on_ack;
-	bool invrt;
 };
 
 struct pca9685_data {
@@ -277,7 +276,6 @@ static int pca9685_init(const struct device *dev)
 		.i2c = I2C_DT_SPEC_INST_GET(inst),                      \
 		.outdrv_open_drain = DT_INST_PROP(inst, open_drain),    \
 		.och_on_ack = DT_INST_PROP(inst, och_on_ack),           \
-		.invrt = DT_INST_PROP(inst, invert),                    \
 	};                                                              \
                                                                         \
 	static struct pca9685_data pca9685_##inst##_data;               \

dts/bindings/pwm/nxp,pca9685.yaml

@@ -23,12 +23,6 @@ properties:
       Outputs change on ACK.  Otherwise the outputs change on STOP
       command.
 
-  invert:
-    type: boolean
-    description:
-      Output logic state inverted. Value to use when no external driver
-      used.
-
   "#pwm-cells":
     const: 3