19 files changed, 61 insertions, 11 deletions

diff --git a/docs/ws2812_driver.md b/docs/ws2812_driver.md
index e69400364..101798f21 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 e02cbabc0..377a929b9 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 dc1bfb71c..778fc3ea6 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 922ea37b2..83e98c2e2 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 72ee927e2..1ba5c0fb0 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 db7269071..dc2007c17 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 15c0d4e35..0a76a3466 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 bd0ae3160..d34bc0003 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 ecfb55fe0..dc097494b 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 b2edfecd3..7a8a7ff28 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 6c1648713..a263ebc71 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 07672643e..3c3166c91 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 5f44584e0..cddff4ce7 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 00cd0eee9..d3e955450 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 6f596beb3..da9fd1057 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 9194023ab..082392c6b 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 fcf9817fa..05180c756 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 174889d62..0b017936c 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 c3a13ec35..f572c91fc 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