tmc: Remove virtual_enable support and replace with automatic support

Automatically detect if the stepper has a dedicated enable line.  If
it does not, then automatically enable virtual enable support.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>

1 files changed, 5 insertions, 20 deletions

diff --git a/config/example-extras.cfg b/config/example-extras.cfg
index 4dbf7254..01105b0f 100644
--- a/config/example-extras.cfg
+++ b/config/example-extras.cfg
@@ -1206,10 +1206,7 @@
 # Configure a TMC2130 stepper motor driver via SPI bus. To use this
 # feature, define a config section with a "tmc2130" prefix followed by
 # the name of the corresponding stepper config section (for example,
-# "[tmc2130 stepper_x]"). This also creates a
-# "tmc2130_stepper_x:virtual_enable" virtual pin which may be used as
-# the stepper's enable_pin (for enabling the driver via an SPI
-# message).
+# "[tmc2130 stepper_x]").
 #[tmc2130 stepper_x]
 #cs_pin:
 #   The pin corresponding to the TMC2130 chip select line. This pin
@@ -1271,10 +1268,7 @@
 # Configure a TMC2208 (or TMC2224) stepper motor driver via single
 # wire UART. To use this feature, define a config section with a
 # "tmc2208" prefix followed by the name of the corresponding stepper
-# config section (for example, "[tmc2208 stepper_x]"). This also
-# creates a "tmc2208_stepper_x:virtual_enable" virtual pin which may
-# be used as the stepper's enable_pin (for enabling the driver via a
-# UART message).
+# config section (for example, "[tmc2208 stepper_x]").
 #[tmc2208 stepper_x]
 #uart_pin:
 #   The pin connected to the TMC2208 PDN_UART line. This parameter
@@ -1331,10 +1325,7 @@
 # Configure a TMC2209 stepper motor driver via single wire UART. To
 # use this feature, define a config section with a "tmc2209" prefix
 # followed by the name of the corresponding stepper config section
-# (for example, "[tmc2209 stepper_x]"). This also creates a
-# "tmc2209_stepper_x:virtual_enable" virtual pin which may be used as
-# the stepper's enable_pin (for enabling the driver via a UART
-# message).
+# (for example, "[tmc2209 stepper_x]").
 #[tmc2209 stepper_x]
 #uart_pin:
 #tx_pin:
@@ -1380,10 +1371,7 @@
 # Configure a TMC2660 stepper motor driver via SPI bus. To use this
 # feature, define a config section with a tmc2660 prefix followed by
 # the name of the corresponding stepper config section (for example,
-# "[tmc2660 stepper_x]"). This also creates a
-# "tmc2660_stepper_x:virtual_enable" virtual pin which may be used as
-# the stepper's enable_pin (for enabling the driver via an SPI
-# message).
+# "[tmc2660 stepper_x]").
 #[tmc2660 stepper_x]
 #cs_pin:
 #   The pin corresponding to the TMC2660 chip select line. This pin
@@ -1455,10 +1443,7 @@
 # Configure a TMC5160 stepper motor driver via SPI bus. To use this
 # feature, define a config section with a "tmc5160" prefix followed by
 # the name of the corresponding stepper config section (for example,
-# "[tmc5160 stepper_x]"). This also creates a
-# "tmc5160_stepper_x:virtual_enable" virtual pin which may be used as
-# the stepper's enable_pin (for enabling the driver via an SPI
-# message).
+# "[tmc5160 stepper_x]").
 #[tmc5160 stepper_x]
 #cs_pin:
 #   The pin corresponding to the TMC5160 chip select line. This pin