Add list-keymaps make target (#5563)

Previously suggested parts are hard to find or non-existent.  Update with available part numbers.

Makefile

@@ -371,6 +371,9 @@ define PARSE_KEYBOARD
     # The same if all was specified
     else ifeq ($$(call COMPARE_AND_REMOVE_FROM_RULE,all),true)
         $$(eval $$(call PARSE_ALL_KEYMAPS))
+    # List all keymaps for the given keyboard
+    else ifeq ($$(call COMPARE_AND_REMOVE_FROM_RULE,list-keymaps),true)
+        $$(eval $$(call LIST_ALL_KEYMAPS))
     # Try to match the specified keyamp with the list of known keymaps
     else ifeq ($$(call TRY_TO_MATCH_RULE_FROM_LIST,$$(KEYMAPS)),true)
         $$(eval $$(call PARSE_KEYMAP,$$(MATCHED_ITEM)))
@@ -407,6 +410,16 @@ endef
 #     endif
 # endef
 
+# Prints a list of all known keymaps for the given keyboard
+define LIST_ALL_KEYMAPS
+    COMMAND_true_LIST_KEYMAPS := \
+        printf "$$(KEYMAPS)\n";
+    COMMAND_false_LIST_KEYMAPS := \
+        printf "$$(MSG_AVAILABLE_KEYMAPS)\n"; \
+        printf "$$(KEYMAPS)\n";
+    COMMANDS += LIST_KEYMAPS
+endef
+
 # $1 Keymap
 # This is the meat of compiling a keyboard, when entering this, everything is known
 # keyboard, subproject, and keymap

docs/feature_backlight.md

@@ -32,16 +32,18 @@ This feature is distinct from both the [RGB underglow](feature_rgblight.md) and
 
 Hardware PWM is supported according to the following table:
 
-|Backlight Pin|AT90USB64/128|ATmega16/32U4|ATmega16/32U2|ATmega32A|
+|Backlight Pin|AT90USB64/128|ATmega16/32U4|ATmega16/32U2|ATmega32A|ATmega328P|
-|-------------|-------------|-------------|-------------|---------|
+|-------------|-------------|-------------|-------------|---------|----------|
-|`B5`         |Timer 1      |Timer 1      |             |         |
+|`B1`         |             |             |             |         |Timer 1   |
-|`B6`         |Timer 1      |Timer 1      |             |         |
+|`B2`         |             |             |             |         |Timer 1   |
-|`B7`         |Timer 1      |Timer 1      |Timer 1      |         |
+|`B5`         |Timer 1      |Timer 1      |             |         |          |
-|`C4`         |Timer 3      |             |             |         |
+|`B6`         |Timer 1      |Timer 1      |             |         |          |
-|`C5`         |Timer 3      |             |Timer 1      |         |
+|`B7`         |Timer 1      |Timer 1      |Timer 1      |         |          |
-|`C6`         |Timer 3      |Timer 3      |Timer 1      |         |
+|`C4`         |Timer 3      |             |             |         |          |
-|`D4`         |             |             |             |Timer 1  |
+|`C5`         |Timer 3      |             |Timer 1      |         |          |
-|`D5`         |             |             |             |Timer 1  |
+|`C6`         |Timer 3      |Timer 3      |Timer 1      |         |          |
+|`D4`         |             |             |             |Timer 1  |          |
+|`D5`         |             |             |             |Timer 1  |          |
 
 All other pins will use software PWM. If the [Audio](feature_audio.md) feature is disabled or only using one timer, the backlight PWM can be triggered by a hardware timer:
 

keyboards/kinesis/stapelberg/readme.md

@@ -22,8 +22,8 @@ If you want to perform this customization, these parts may be helpful.
 | 10 pin headers for thumb clusters                      | 4        | Digi-Key | 609-3250-ND  |
 | 8 pin cable for thumb clusters                         | 2        | Digi-Key | SAM8928-ND   |
 | Teensy++ 2.0                                           | 1        | Digi-Key | 1528-1056-ND |
-| 2 pin right angle header for reset                     | 1        | Digi-Key | 3M9467-ND    |
+| 2 pin right angle header for reset                     | 1        | Digi-Key | 952-2244-ND  |
-| Reset cables                                           | 2        | Sparkfun | PRT-09140    |
+| Reset cables                                           | 1        | Digi-Key | PRT-08672-ND |
 
 The board and connections are shown here
 ![controller board](https://i.imgur.com/2ZPMwvZ.jpg)

message.mk

@@ -76,6 +76,11 @@ define GENERATE_MSG_MAKE_TEST
 endef
 MSG_MAKE_TEST = $(eval $(call GENERATE_MSG_MAKE_TEST))$(MSG_MAKE_TEST_ACTUAL)
 MSG_TEST = Testing $(BOLD)$(TEST_NAME)$(NO_COLOR)
+define GENERATE_MSG_AVAILABLE_KEYMAPS
+    MSG_AVAILABLE_KEYMAPS_ACTUAL := Available keymaps for $(BOLD)$$(CURRENT_KB)$(NO_COLOR):
+endef
+MSG_AVAILABLE_KEYMAPS = $(eval $(call GENERATE_MSG_AVAILABLE_KEYMAPS))$(MSG_AVAILABLE_KEYMAPS_ACTUAL)
+
 MSG_CHECK_FILESIZE = Checking file size of $(TARGET).hex
 MSG_FILE_TOO_BIG = $(ERROR_COLOR)The firmware is too large!$(NO_COLOR) $(CURRENT_SIZE)/$(MAX_SIZE) ($(OVER_SIZE) bytes over)\n
 MSG_FILE_TOO_SMALL = The firmware is too small! $(CURRENT_SIZE)/$(MAX_SIZE)\n

quantum/quantum.c

@@ -1104,6 +1104,22 @@ void matrix_scan_quantum() {
 #            define COMxx1 COM1A1
 #            define OCRxx OCR1A
 #        endif
+#    elif defined(__AVR_ATmega328P__) && (BACKLIGHT_PIN == B1 || BACKLIGHT_PIN == B2)
+#        define HARDWARE_PWM
+#        define ICRx ICR1
+#        define TCCRxA TCCR1A
+#        define TCCRxB TCCR1B
+#        define TIMERx_OVF_vect TIMER1_OVF_vect
+#        define TIMSKx TIMSK1
+#        define TOIEx TOIE1
+
+#        if BACKLIGHT_PIN == B1
+#            define COMxx1 COM1A1
+#            define OCRxx OCR1A
+#        elif BACKLIGHT_PIN == B2
+#            define COMxx1 COM1B1
+#            define OCRxx OCR1B
+#        endif
 #    else
 #        if !defined(BACKLIGHT_CUSTOM_DRIVER)
 #            if !defined(B5_AUDIO) && !defined(B6_AUDIO) && !defined(B7_AUDIO)

util/linux_install.sh

@@ -183,6 +183,29 @@ elif grep ID /etc/os-release | grep -q solus; then
 		unzip
 	printf "\n$SOLUS_INFO\n"
 
+elif grep ID /etc/os-release | grep -q void; then
+	# musl Void systems don't have glibc cross compilers avaliable in their repos.
+	# glibc Void systems do have musl cross compilers though, for some reason.
+	# So, default to musl, and switch to glibc if it is installed.
+	CROSS_ARM=cross-arm-linux-musleabi
+	if xbps-query glibc > /dev/null; then # Check is glibc if installed
+		CROSS_ARM=cross-arm-linux-gnueabi
+	fi
+
+	sudo xbps-install \
+		avr-binutils \
+		avr-gcc \
+		avr-libc \
+		$CROSS_ARM \
+		dfu-programmer \
+		dfu-util \
+		gcc \
+		git \
+		make \
+		wget \
+		unzip \
+		zip
+
 else
 	echo "Sorry, we don't recognize your OS. Help us by contributing support!"
 	echo