diff --git a/Adafruit_SPITFT.cpp b/Adafruit_SPITFT.cpp
index 66f3e35..05d71ab 100644
--- a/Adafruit_SPITFT.cpp
+++ b/Adafruit_SPITFT.cpp
@@ -888,6 +888,19 @@ void Adafruit_SPITFT::initSPI(uint32_t freq, uint8_t spiMode) {
 #endif // end USE_SPI_DMA
 }
 
+/*!
+    @brief  Allow changing the SPI clock speed after initialization
+    @param  freq Desired frequency of SPI clock, may not be the
+    end frequency you get based on what the chip can do!
+*/
+void Adafruit_SPITFT::setSPISpeed(uint32_t freq) {
+#if defined(SPI_HAS_TRANSACTION)
+  hwspi.settings = SPISettings(freq, MSBFIRST, hwspi._mode);
+#else
+  hwspi._freq    = freq;    // Save freq value for later
+#endif
+}
+
 /*!
     @brief  Call before issuing command(s) or data to display. Performs
             chip-select (if required) and starts an SPI transaction (if
diff --git a/Adafruit_SPITFT.h b/Adafruit_SPITFT.h
index 985ed3c..da2507b 100644
--- a/Adafruit_SPITFT.h
+++ b/Adafruit_SPITFT.h
@@ -71,7 +71,7 @@ typedef volatile  ADAGFX_PORT_t* PORTreg_t; ///< PORT register type
  #define DEFAULT_SPI_FREQ 16000000L  ///< Hardware SPI default speed
 #endif
 
-#if defined(ADAFRUIT_PYPORTAL) || defined(ADAFRUIT_PYBADGE_M4_EXPRESS) || defined(ADAFRUIT_PYGAMER_M4_EXPRESS) || defined(ADAFRUIT_HALLOWING_M4_EXPRESS)
+#if defined(ADAFRUIT_PYPORTAL) || defined(ADAFRUIT_PYBADGE_M4_EXPRESS) || defined(ADAFRUIT_PYGAMER_M4_EXPRESS)|| defined(ADAFRUIT_MONSTER_M4SK_EXPRESS)
  #define USE_SPI_DMA                 ///< Auto DMA if using PyPortal
 #else
  //#define USE_SPI_DMA               ///< If set, use DMA if available
@@ -190,6 +190,7 @@ class Adafruit_SPITFT : public Adafruit_GFX {
     // 1 for SPI_MODE1, etc...use ONLY the SPI_MODEn defines! Only!
     // Name is outdated (interface may be parallel) but for compatibility:
     void         initSPI(uint32_t freq = 0, uint8_t spiMode = SPI_MODE0);
+    void         setSPISpeed(uint32_t freq);
     // Chip select and/or hardware SPI transaction start as needed:
     void         startWrite(void);
     // Chip deselect and/or hardware SPI transaction end as needed: