19 files changed, 61 insertions, 11 deletions

diff --git a/docs/ws2812_driver.md b/docs/ws2812_driver.md
index e69400364c..101798f211 100644
--- a/docs/ws2812_driver.md
+++ b/docs/ws2812_driver.md
@@ -72,7 +72,9 @@ WS2812_DRIVER = spi
 Configure the hardware via your config.h:
 ```c
 #define WS2812_SPI SPID1 // default: SPID1
-#define WS2812_SPI_MOSI_PAL_MODE 5 // Pin "alternate function", see the respective datasheet for the appropriate values for your MCU. default: 5
+#define WS2812_SPI_MOSI_PAL_MODE 5 // MOSI pin "alternate function", see the respective datasheet for the appropriate values for your MCU. default: 5
+#define WS2812_SPI_SCK_PIN B3 // Required for F072, may be for others -- SCK pin, see the respective datasheet for the appropriate values for your MCU. default: unspecified
+#define WS2812_SPI_SCK_PAL_MODE 5 // SCK pin "alternate function", see the respective datasheet for the appropriate values for your MCU. default: 5
 ```
 
 You must also turn on the SPI feature in your halconf.h and mcuconf.h
@@ -100,11 +102,11 @@ Only divisors of 2, 4, 8, 16, 32, 64, 128 and 256 are supported by hardware.
 
 While not an exhaustive list, the following table provides the scenarios that have been partially validated:
 
-| | SPI1 | SPI2 | SPI3 |
-|-|-|-|-|
-| f072 | ? | B15 :heavy_check_mark: | N/A |
-| f103 | A7 :heavy_check_mark: | B15 :heavy_check_mark: | N/A |
-| f303 | A7 :heavy_check_mark: B5 :heavy_check_mark:  | B15 :heavy_check_mark: | B5 :heavy_check_mark: |
+|      | SPI1                                        | SPI2                                    | SPI3                  |
+|------|---------------------------------------------|-----------------------------------------|-----------------------|
+| f072 | ?                                           | B15 :heavy_check_mark: (needs SCK: B13) | N/A                   |
+| f103 | A7 :heavy_check_mark:                       | B15 :heavy_check_mark:                  | N/A                   |
+| f303 | A7 :heavy_check_mark: B5 :heavy_check_mark: | B15 :heavy_check_mark:                  | B5 :heavy_check_mark: |
 
 *Other supported ChibiOS boards and/or pins may function, it will be highly chip and configuration dependent.*
 
diff --git a/drivers/chibios/ws2812_spi.c b/drivers/chibios/ws2812_spi.c
index e02cbabc02..377a929b94 100644
--- a/drivers/chibios/ws2812_spi.c
+++ b/drivers/chibios/ws2812_spi.c
@@ -16,19 +16,23 @@
 #    define WS2812_SPI_MOSI_PAL_MODE 5
 #endif
 
+#ifndef WS2812_SPI_SCK_PAL_MODE
+#    define WS2812_SPI_SCK_PAL_MODE 5
+#endif
+
 // Push Pull or Open Drain Configuration
 // Default Push Pull
 #ifndef WS2812_EXTERNAL_PULLUP
 #    if defined(USE_GPIOV1)
-#        define WS2812_OUTPUT_MODE PAL_MODE_STM32_ALTERNATE_PUSHPULL
+#        define WS2812_MOSI_OUTPUT_MODE PAL_MODE_STM32_ALTERNATE_PUSHPULL
 #    else
-#        define WS2812_OUTPUT_MODE PAL_MODE_ALTERNATE(WS2812_SPI_MOSI_PAL_MODE) | PAL_STM32_OTYPE_PUSHPULL
+#        define WS2812_MOSI_OUTPUT_MODE PAL_MODE_ALTERNATE(WS2812_SPI_MOSI_PAL_MODE) | PAL_STM32_OTYPE_PUSHPULL
 #    endif
 #else
 #    if defined(USE_GPIOV1)
-#        define WS2812_OUTPUT_MODE PAL_MODE_STM32_ALTERNATE_OPENDRAIN
+#        define WS2812_MOSI_OUTPUT_MODE PAL_MODE_STM32_ALTERNATE_OPENDRAIN
 #    else
-#        define WS2812_OUTPUT_MODE PAL_MODE_ALTERNATE(WS2812_SPI_MOSI_PAL_MODE) | PAL_STM32_OTYPE_OPENDRAIN
+#        define WS2812_MOSI_OUTPUT_MODE PAL_MODE_ALTERNATE(WS2812_SPI_MOSI_PAL_MODE) | PAL_STM32_OTYPE_OPENDRAIN
 #    endif
 #endif
 
@@ -63,6 +67,12 @@
 #    define WS2812_SPI_BUFFER_MODE 0  // normal buffer
 #endif
 
+#if defined(USE_GPIOV1)
+#    define WS2812_SCK_OUTPUT_MODE PAL_MODE_STM32_ALTERNATE_PUSHPULL
+#else
+#    define WS2812_SCK_OUTPUT_MODE PAL_MODE_ALTERNATE(WS2812_SPI_SCK_PAL_MODE) | PAL_STM32_OTYPE_PUSHPULL
+#endif
+
 #define BYTES_FOR_LED_BYTE 4
 #define NB_COLORS 3
 #define BYTES_FOR_LED (BYTES_FOR_LED_BYTE * NB_COLORS)
@@ -109,7 +119,11 @@ static void set_led_color_rgb(LED_TYPE color, int pos) {
 }
 
 void ws2812_init(void) {
-    palSetLineMode(RGB_DI_PIN, WS2812_OUTPUT_MODE);
+    palSetLineMode(RGB_DI_PIN, WS2812_MOSI_OUTPUT_MODE);
+
+#ifdef WS2812_SPI_SCK_PIN
+    palSetLineMode(WS2812_SPI_SCK_PIN, WS2812_SCK_OUTPUT_MODE);
+#endif  // WS2812_SPI_SCK_PIN
 
     // TODO: more dynamic baudrate
     static const SPIConfig spicfg = {WS2812_SPI_BUFFER_MODE, NULL, PAL_PORT(RGB_DI_PIN), PAL_PAD(RGB_DI_PIN), WS2812_SPI_DIVISOR};
diff --git a/keyboards/aeboards/ext65/rev2/config.h b/keyboards/aeboards/ext65/rev2/config.h
index dc1bfb71c2..778fc3ea6c 100644
--- a/keyboards/aeboards/ext65/rev2/config.h
+++ b/keyboards/aeboards/ext65/rev2/config.h
@@ -51,6 +51,8 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 //SPI
 #define WS2812_SPI SPID2
 #define WS2812_SPI_MOSI_PAL_MODE 0
+#define WS2812_SPI_SCK_PAL_MODE 0
+#define WS2812_SPI_SCK_PIN B13
 #define WS2812_EXTERNAL_PULLUP
 
 // I2C OLED defines
diff --git a/keyboards/cannonkeys/an_c/config.h b/keyboards/cannonkeys/an_c/config.h
index 922ea37b2b..83e98c2e28 100644
--- a/keyboards/cannonkeys/an_c/config.h
+++ b/keyboards/cannonkeys/an_c/config.h
@@ -56,6 +56,8 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define RGBLED_NUM 14
 #define WS2812_SPI SPID2
 #define WS2812_SPI_MOSI_PAL_MODE 0
+#define WS2812_SPI_SCK_PAL_MODE 0
+#define WS2812_SPI_SCK_PIN B13
 
 /*
  * Feature disable options
diff --git a/keyboards/cannonkeys/atlas/config.h b/keyboards/cannonkeys/atlas/config.h
index 72ee927e2f..1ba5c0fb0e 100644
--- a/keyboards/cannonkeys/atlas/config.h
+++ b/keyboards/cannonkeys/atlas/config.h
@@ -50,6 +50,8 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define RGB_DI_PIN B15
 #define RGBLED_NUM 22
 #define WS2812_SPI_MOSI_PAL_MODE 0
+#define WS2812_SPI_SCK_PAL_MODE 0
+#define WS2812_SPI_SCK_PIN B13
 
 /*
  * Feature disable options
diff --git a/keyboards/cannonkeys/db60/config.h b/keyboards/cannonkeys/db60/config.h
index db7269071c..dc2007c17c 100644
--- a/keyboards/cannonkeys/db60/config.h
+++ b/keyboards/cannonkeys/db60/config.h
@@ -55,6 +55,8 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define RGB_DI_PIN B15
 #define RGBLED_NUM 20
 #define WS2812_SPI_MOSI_PAL_MODE 0
+#define WS2812_SPI_SCK_PAL_MODE 0
+#define WS2812_SPI_SCK_PIN B13
 
 /*
  * Feature disable options
diff --git a/keyboards/cannonkeys/devastatingtkl/config.h b/keyboards/cannonkeys/devastatingtkl/config.h
index 15c0d4e356..0a76a3466f 100644
--- a/keyboards/cannonkeys/devastatingtkl/config.h
+++ b/keyboards/cannonkeys/devastatingtkl/config.h
@@ -56,6 +56,8 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define RGBLED_NUM 20
 #define WS2812_SPI SPID2
 #define WS2812_SPI_MOSI_PAL_MODE 0
+#define WS2812_SPI_SCK_PAL_MODE 0
+#define WS2812_SPI_SCK_PIN B13
 
 /*
  * Feature disable options
diff --git a/keyboards/cannonkeys/instant60/config.h b/keyboards/cannonkeys/instant60/config.h
index bd0ae31602..d34bc0003e 100644
--- a/keyboards/cannonkeys/instant60/config.h
+++ b/keyboards/cannonkeys/instant60/config.h
@@ -56,6 +56,8 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define RGBLED_NUM 14
 #define WS2812_SPI SPID2
 #define WS2812_SPI_MOSI_PAL_MODE 0
+#define WS2812_SPI_SCK_PAL_MODE 0
+#define WS2812_SPI_SCK_PIN B13
 
 /*
  * Feature disable options
diff --git a/keyboards/cannonkeys/instant65/config.h b/keyboards/cannonkeys/instant65/config.h
index ecfb55fe00..dc097494b2 100644
--- a/keyboards/cannonkeys/instant65/config.h
+++ b/keyboards/cannonkeys/instant65/config.h
@@ -56,6 +56,8 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define RGBLED_NUM 20
 #define WS2812_SPI SPID2
 #define WS2812_SPI_MOSI_PAL_MODE 0
+#define WS2812_SPI_SCK_PAL_MODE 0
+#define WS2812_SPI_SCK_PIN B13
 
 
 /*
diff --git a/keyboards/cannonkeys/obliterated75/config.h b/keyboards/cannonkeys/obliterated75/config.h
index b2edfecd3d..7a8a7ff28c 100644
--- a/keyboards/cannonkeys/obliterated75/config.h
+++ b/keyboards/cannonkeys/obliterated75/config.h
@@ -56,6 +56,8 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define RGBLED_NUM 20
 #define WS2812_SPI SPID2
 #define WS2812_SPI_MOSI_PAL_MODE 0
+#define WS2812_SPI_SCK_PAL_MODE 0
+#define WS2812_SPI_SCK_PIN B13
 
 
 /*
diff --git a/keyboards/cannonkeys/sagittarius/config.h b/keyboards/cannonkeys/sagittarius/config.h
index 6c1648713e..a263ebc713 100644
--- a/keyboards/cannonkeys/sagittarius/config.h
+++ b/keyboards/cannonkeys/sagittarius/config.h
@@ -60,6 +60,8 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define RGBLED_NUM 8
 #define WS2812_SPI SPID2
 #define WS2812_SPI_MOSI_PAL_MODE 0
+#define WS2812_SPI_SCK_PAL_MODE 0
+#define WS2812_SPI_SCK_PIN B13
 
 #define DYNAMIC_KEYMAP_LAYER_COUNT 2
 
diff --git a/keyboards/cannonkeys/savage65/config.h b/keyboards/cannonkeys/savage65/config.h
index 07672643ed..3c3166c919 100644
--- a/keyboards/cannonkeys/savage65/config.h
+++ b/keyboards/cannonkeys/savage65/config.h
@@ -56,6 +56,8 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define RGBLED_NUM 20
 #define WS2812_SPI SPID2
 #define WS2812_SPI_MOSI_PAL_MODE 0
+#define WS2812_SPI_SCK_PAL_MODE 0
+#define WS2812_SPI_SCK_PIN B13
 
 
 /*
diff --git a/keyboards/cannonkeys/tmov2/config.h b/keyboards/cannonkeys/tmov2/config.h
index 5f44584e0d..cddff4ce7e 100644
--- a/keyboards/cannonkeys/tmov2/config.h
+++ b/keyboards/cannonkeys/tmov2/config.h
@@ -56,6 +56,8 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define RGBLED_NUM 22
 #define WS2812_SPI SPID2
 #define WS2812_SPI_MOSI_PAL_MODE 0
+#define WS2812_SPI_SCK_PAL_MODE 0
+#define WS2812_SPI_SCK_PIN B13
 
 /*
  * Feature disable options
diff --git a/keyboards/cannonkeys/tsukuyomi/config.h b/keyboards/cannonkeys/tsukuyomi/config.h
index 00cd0eee99..d3e955450f 100644
--- a/keyboards/cannonkeys/tsukuyomi/config.h
+++ b/keyboards/cannonkeys/tsukuyomi/config.h
@@ -56,6 +56,8 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define RGBLED_NUM 20
 #define WS2812_SPI SPID2
 #define WS2812_SPI_MOSI_PAL_MODE 0
+#define WS2812_SPI_SCK_PAL_MODE 0
+#define WS2812_SPI_SCK_PIN B13
 
 
 /*
diff --git a/keyboards/nebula12/config.h b/keyboards/nebula12/config.h
index 6f596beb37..da9fd10575 100755
--- a/keyboards/nebula12/config.h
+++ b/keyboards/nebula12/config.h
@@ -100,6 +100,8 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #define WS2812_SPI SPID2 // default: SPID1
 #define WS2812_SPI_MOSI_PAL_MODE 0 // Pin "alternate function", see the respective datasheet for the appropriate values for your MCU. default: 5
+#define WS2812_SPI_SCK_PAL_MODE 0
+#define WS2812_SPI_SCK_PIN B13
 
 #define RGB_DI_PIN B15
 #ifdef RGB_DI_PIN
diff --git a/keyboards/primekb/meridian/config.h b/keyboards/primekb/meridian/config.h
index 9194023abb..082392c6bd 100644
--- a/keyboards/primekb/meridian/config.h
+++ b/keyboards/primekb/meridian/config.h
@@ -36,6 +36,8 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define RGBLED_NUM 3
 #define WS2812_SPI SPID2
 #define WS2812_SPI_MOSI_PAL_MODE 0
+#define WS2812_SPI_SCK_PAL_MODE 0
+#define WS2812_SPI_SCK_PIN B13
 
 /* Set 0 if debouncing isn't needed */
 #define DEBOUNCE    5
diff --git a/keyboards/projectkb/alice/rev1/config.h b/keyboards/projectkb/alice/rev1/config.h
index fcf9817fa3..05180c756f 100644
--- a/keyboards/projectkb/alice/rev1/config.h
+++ b/keyboards/projectkb/alice/rev1/config.h
@@ -56,6 +56,8 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define RGBLED_NUM 14
 #define WS2812_SPI SPID2
 #define WS2812_SPI_MOSI_PAL_MODE 0
+#define WS2812_SPI_SCK_PAL_MODE 0
+#define WS2812_SPI_SCK_PIN B13
 
 #define INDICATOR_PIN_0 A0
 #define INDICATOR_PIN_1 A1
diff --git a/keyboards/projectkb/alice/rev2/config.h b/keyboards/projectkb/alice/rev2/config.h
index 174889d628..0b017936c5 100644
--- a/keyboards/projectkb/alice/rev2/config.h
+++ b/keyboards/projectkb/alice/rev2/config.h
@@ -56,6 +56,8 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define RGBLED_NUM 14
 #define WS2812_SPI SPID2
 #define WS2812_SPI_MOSI_PAL_MODE 0
+#define WS2812_SPI_SCK_PAL_MODE 0
+#define WS2812_SPI_SCK_PIN B13
 
 #define INDICATOR_PIN_0 A9
 #define INDICATOR_PIN_1 A8
diff --git a/keyboards/zoo/wampus/config.h b/keyboards/zoo/wampus/config.h
index c3a13ec355..f572c91fc7 100644
--- a/keyboards/zoo/wampus/config.h
+++ b/keyboards/zoo/wampus/config.h
@@ -67,6 +67,8 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 // SPI RGB Driver
 #define WS2812_SPI SPID2
 #define WS2812_SPI_MOSI_PAL_MODE 0
+#define WS2812_SPI_SCK_PAL_MODE 0
+#define WS2812_SPI_SCK_PIN B13
 
 // OLED defines
 #define OLED_TIMEOUT 60000