diff --git a/configs/sama5d3-xplained/include/board.h b/configs/sama5d3-xplained/include/board.h
index 3693c62d3e1..e5d43377bd8 100644
--- a/configs/sama5d3-xplained/include/board.h
+++ b/configs/sama5d3-xplained/include/board.h
@@ -52,6 +52,11 @@
  * definitions will configure operational clocking.
  */
 
+/* On-board crystal frequencies */
+
+#define BOARD_MAINOSC_FREQUENCY    (12000000)  /* MAINOSC: 12MHz crystal on-board */
+#define BOARD_SLOWCLK_FREQUENCY    (32768)     /* Slow Clock: 32.768KHz */
+
 #if defined(CONFIG_SAMA5_BOOT_SDRAM)
 /* When booting from SDRAM, NuttX is loaded in SDRAM by an intermediate bootloader.
  * That bootloader had to have already configured the PLL and SDRAM for proper
diff --git a/configs/sama5d3-xplained/include/board_384mhz.h b/configs/sama5d3-xplained/include/board_384mhz.h
index f9d38fba3e1..e297568033a 100644
--- a/configs/sama5d3-xplained/include/board_384mhz.h
+++ b/configs/sama5d3-xplained/include/board_384mhz.h
@@ -161,7 +161,6 @@
 
 /* Resulting frequencies */
 
-#define BOARD_MAINOSC_FREQUENCY    (12000000)  /* MAINOSC: 12MHz crystal on-board */
 #define BOARD_PLLA_FREQUENCY       (768000000) /* PLLACK:  64 * 12Mhz / 1 */
 #define BOARD_PCK_FREQUENCY        (384000000) /* CPU:     PLLACK / 2 / 1  */
 #define BOARD_MCK_FREQUENCY        (128000000) /* MCK:     PLLACK / 2 / 1 / 3 */
diff --git a/configs/sama5d3-xplained/include/board_396mhz.h b/configs/sama5d3-xplained/include/board_396mhz.h
index 88369eb4942..f41e50f45c3 100644
--- a/configs/sama5d3-xplained/include/board_396mhz.h
+++ b/configs/sama5d3-xplained/include/board_396mhz.h
@@ -119,7 +119,6 @@
 
 /* Resulting frequencies */
 
-#define BOARD_MAINOSC_FREQUENCY    (12000000)  /* MAINOSC: 12MHz crystal on-board */
 #define BOARD_PLLA_FREQUENCY       (792000000) /* PLLACK:  66 * 12Mhz / 1 */
 #define BOARD_PCK_FREQUENCY        (396000000) /* CPU:     PLLACK / 2 / 1  */
 #define BOARD_MCK_FREQUENCY        (132000000) /* MCK:     PLLACK / 2 / 1 / 3 */
diff --git a/configs/sama5d3-xplained/include/board_528mhz.h b/configs/sama5d3-xplained/include/board_528mhz.h
index 78be010cabd..5d6d87a7404 100644
--- a/configs/sama5d3-xplained/include/board_528mhz.h
+++ b/configs/sama5d3-xplained/include/board_528mhz.h
@@ -118,7 +118,6 @@
 
 /* Resulting frequencies */
 
-#define BOARD_MAINOSC_FREQUENCY    (12000000)  /* MAINOSC: 12MHz crystal on-board */
 #define BOARD_PLLA_FREQUENCY       (528000000) /* PLLACK:  44 * 12Mhz / 1 */
 #define BOARD_PCK_FREQUENCY        (528000000) /* CPU:     PLLACK / 1 / 1  */
 #define BOARD_MCK_FREQUENCY        (132000000) /* MCK:     PLLACK / 1 / 1 / 4 */
diff --git a/configs/sama5d3-xplained/include/board_sdram.h b/configs/sama5d3-xplained/include/board_sdram.h
index cd5a5b5dfce..42d3d1314a6 100644
--- a/configs/sama5d3-xplained/include/board_sdram.h
+++ b/configs/sama5d3-xplained/include/board_sdram.h
@@ -57,7 +57,6 @@
  * the Main clock source in the on-board 12MHz crystal.
  */
 
-#define BOARD_MAINOSC_FREQUENCY    (12000000)  /* MAINOSC: 12MHz crystal on-board */
 #define BOARD_PLLA_FREQUENCY       (sam_pllack_frequency(BOARD_MAINOSC_FREQUENCY))
 #define BOARD_PLLADIV2_FREQUENCY   (sam_plladiv2_frequency(BOARD_MAINOSC_FREQUENCY))
 #define BOARD_PCK_FREQUENCY        (sam_pck_frequency(BOARD_MAINOSC_FREQUENCY))
diff --git a/configs/sama5d3x-ek/include/board.h b/configs/sama5d3x-ek/include/board.h
index 83f146295e3..b682e9d10ba 100644
--- a/configs/sama5d3x-ek/include/board.h
+++ b/configs/sama5d3x-ek/include/board.h
@@ -52,6 +52,11 @@
  * definitions will configure operational clocking.
  */
 
+/* On-board crystal frequencies */
+
+#define BOARD_MAINOSC_FREQUENCY    (12000000)  /* MAINOSC: 12MHz crystal on-board */
+#define BOARD_SLOWCLK_FREQUENCY    (32768)     /* Slow Clock: 32.768KHz */
+
 #if defined(CONFIG_SAMA5_BOOT_SDRAM)
 /* When booting from SDRAM, NuttX is loaded in SDRAM by an intermediate bootloader.
  * That bootloader had to have already configured the PLL and SDRAM for proper
diff --git a/configs/sama5d3x-ek/include/board_384mhz.h b/configs/sama5d3x-ek/include/board_384mhz.h
index 528ff509a33..d1bcbc40b4a 100644
--- a/configs/sama5d3x-ek/include/board_384mhz.h
+++ b/configs/sama5d3x-ek/include/board_384mhz.h
@@ -161,7 +161,6 @@
 
 /* Resulting frequencies */
 
-#define BOARD_MAINOSC_FREQUENCY    (12000000)  /* MAINOSC: 12MHz crystal on-board */
 #define BOARD_PLLA_FREQUENCY       (768000000) /* PLLACK:  64 * 12Mhz / 1 */
 #define BOARD_PCK_FREQUENCY        (384000000) /* CPU:     PLLACK / 2 / 1  */
 #define BOARD_MCK_FREQUENCY        (128000000) /* MCK:     PLLACK / 2 / 1 / 3 */
diff --git a/configs/sama5d3x-ek/include/board_396mhz.h b/configs/sama5d3x-ek/include/board_396mhz.h
index 3fbe75b17e2..f1dcd05fa74 100644
--- a/configs/sama5d3x-ek/include/board_396mhz.h
+++ b/configs/sama5d3x-ek/include/board_396mhz.h
@@ -119,7 +119,6 @@
 
 /* Resulting frequencies */
 
-#define BOARD_MAINOSC_FREQUENCY    (12000000)  /* MAINOSC: 12MHz crystal on-board */
 #define BOARD_PLLA_FREQUENCY       (792000000) /* PLLACK:  66 * 12Mhz / 1 */
 #define BOARD_PCK_FREQUENCY        (396000000) /* CPU:     PLLACK / 2 / 1  */
 #define BOARD_MCK_FREQUENCY        (132000000) /* MCK:     PLLACK / 2 / 1 / 3 */
diff --git a/configs/sama5d3x-ek/include/board_528mhz.h b/configs/sama5d3x-ek/include/board_528mhz.h
index 08a6fba26b2..a1ad192aa86 100644
--- a/configs/sama5d3x-ek/include/board_528mhz.h
+++ b/configs/sama5d3x-ek/include/board_528mhz.h
@@ -118,7 +118,6 @@
 
 /* Resulting frequencies */
 
-#define BOARD_MAINOSC_FREQUENCY    (12000000)  /* MAINOSC: 12MHz crystal on-board */
 #define BOARD_PLLA_FREQUENCY       (528000000) /* PLLACK:  44 * 12Mhz / 1 */
 #define BOARD_PCK_FREQUENCY        (528000000) /* CPU:     PLLACK / 1 / 1  */
 #define BOARD_MCK_FREQUENCY        (132000000) /* MCK:     PLLACK / 1 / 1 / 4 */
diff --git a/configs/sama5d3x-ek/include/board_sdram.h b/configs/sama5d3x-ek/include/board_sdram.h
index 990673aaaed..561d9084b9a 100644
--- a/configs/sama5d3x-ek/include/board_sdram.h
+++ b/configs/sama5d3x-ek/include/board_sdram.h
@@ -57,7 +57,6 @@
  * the Main clock source in the on-board 12MHz crystal.
  */
 
-#define BOARD_MAINOSC_FREQUENCY    (12000000)  /* MAINOSC: 12MHz crystal on-board */
 #define BOARD_PLLA_FREQUENCY       (sam_pllack_frequency(BOARD_MAINOSC_FREQUENCY))
 #define BOARD_PLLADIV2_FREQUENCY   (sam_plladiv2_frequency(BOARD_MAINOSC_FREQUENCY))
 #define BOARD_PCK_FREQUENCY        (sam_pck_frequency(BOARD_MAINOSC_FREQUENCY))
diff --git a/configs/sama5d4-ek/README.txt b/configs/sama5d4-ek/README.txt
index 91b961faf06..6ff2ede7b2f 100644
--- a/configs/sama5d4-ek/README.txt
+++ b/configs/sama5d4-ek/README.txt
@@ -2754,7 +2754,8 @@ Audio Support
       CONFIG_SAMA5_SSC_MAXINFLIGHT=16       : Up to 16 pending DMA transfers
       CONFIG_SAMA5_SSC0_MASTER=y            : Master mode
       CONFIG_SAMA5_SSC0_DATALEN=16          : 16-bit data
-      CONFIG_SAMA5_SSC0_RX=n                : No receiver
+      CONFIG_SAMA5_SSC0_RX=y                : Support a receiver
+      CONFIG_SAMA5_SSC0_RX_RKINPUT=y        : Receiver gets clock from RK input
       CONFIG_SAMA5_SSC0_TX=y                : Support a transmitter
       CONFIG_SAMA5_SSC0_TX_MCKDIV=y         : Transmitter gets clock from MCK/2
       CONFIG_SAMA5_SSC0_MCKDIV_SAMPLERATE=48000 : Sampling at 48K samples/sec
diff --git a/configs/sama5d4-ek/include/board.h b/configs/sama5d4-ek/include/board.h
index ad8a33f930c..58da07b46b0 100644
--- a/configs/sama5d4-ek/include/board.h
+++ b/configs/sama5d4-ek/include/board.h
@@ -52,6 +52,11 @@
  * definitions will configure operational clocking.
  */
 
+/* On-board crystal frequencies */
+
+#define BOARD_MAINOSC_FREQUENCY    (12000000)  /* MAINOSC: 12MHz crystal on-board */
+#define BOARD_SLOWCLK_FREQUENCY    (32768)     /* Slow Clock: 32.768KHz */
+
 #if defined(CONFIG_SAMA5_BOOT_SDRAM)
 /* When booting from SDRAM, NuttX is loaded in SDRAM by an intermediate bootloader.
  * That bootloader had to have already configured the PLL and SDRAM for proper
diff --git a/configs/sama5d4-ek/include/board_384mhz.h b/configs/sama5d4-ek/include/board_384mhz.h
index fc2d4e4bc1f..48df412b986 100644
--- a/configs/sama5d4-ek/include/board_384mhz.h
+++ b/configs/sama5d4-ek/include/board_384mhz.h
@@ -159,7 +159,6 @@
 
 /* Resulting frequencies */
 
-#define BOARD_MAINOSC_FREQUENCY    (12000000)  /* MAINOSC: 12MHz crystal on-board */
 #define BOARD_PLLA_FREQUENCY       (768000000) /* PLLACK:  64 * 12Mhz / 1 */
 #define BOARD_PCK_FREQUENCY        (384000000) /* CPU:     PLLACK / 2 / 1  */
 #define BOARD_MCK_FREQUENCY        (128000000) /* MCK:     PLLACK / 2 / 1 / 3 */
diff --git a/configs/sama5d4-ek/include/board_396mhz.h b/configs/sama5d4-ek/include/board_396mhz.h
index 34441910ffe..978d88ebf7e 100644
--- a/configs/sama5d4-ek/include/board_396mhz.h
+++ b/configs/sama5d4-ek/include/board_396mhz.h
@@ -117,7 +117,6 @@
 
 /* Resulting frequencies */
 
-#define BOARD_MAINOSC_FREQUENCY    (12000000)  /* MAINOSC: 12MHz crystal on-board */
 #define BOARD_PLLA_FREQUENCY       (792000000) /* PLLACK:  66 * 12Mhz / 1 */
 #define BOARD_PCK_FREQUENCY        (396000000) /* CPU:     PLLACK / 2 / 1  */
 #define BOARD_MCK_FREQUENCY        (132000000) /* MCK:     PLLACK / 2 / 1 / 3 */
diff --git a/configs/sama5d4-ek/include/board_528mhz.h b/configs/sama5d4-ek/include/board_528mhz.h
index 7b34f09b488..74c63cf5994 100644
--- a/configs/sama5d4-ek/include/board_528mhz.h
+++ b/configs/sama5d4-ek/include/board_528mhz.h
@@ -116,7 +116,6 @@
 
 /* Resulting frequencies */
 
-#define BOARD_MAINOSC_FREQUENCY    (12000000)  /* MAINOSC: 12MHz crystal on-board */
 #define BOARD_PLLA_FREQUENCY       (528000000) /* PLLACK:  44 * 12Mhz / 1 */
 #define BOARD_PCK_FREQUENCY        (528000000) /* CPU:     PLLACK / 1 / 1  */
 #define BOARD_MCK_FREQUENCY        (132000000) /* MCK:     PLLACK / 1 / 1 / 4 */
diff --git a/configs/sama5d4-ek/include/board_sdram.h b/configs/sama5d4-ek/include/board_sdram.h
index f86d2827dc7..496cd52025a 100644
--- a/configs/sama5d4-ek/include/board_sdram.h
+++ b/configs/sama5d4-ek/include/board_sdram.h
@@ -57,7 +57,6 @@
  * the Main clock source in the on-board 12MHz crystal.
  */
 
-#define BOARD_MAINOSC_FREQUENCY    (12000000)  /* MAINOSC: 12MHz crystal on-board */
 #define BOARD_PLLA_FREQUENCY       (sam_pllack_frequency(BOARD_MAINOSC_FREQUENCY))
 #define BOARD_PLLADIV2_FREQUENCY   (sam_plladiv2_frequency(BOARD_MAINOSC_FREQUENCY))
 #define BOARD_PCK_FREQUENCY        (sam_pck_frequency(BOARD_MAINOSC_FREQUENCY))
diff --git a/configs/sama5d4-ek/src/sam_wm8904.c b/configs/sama5d4-ek/src/sam_wm8904.c
index 09d188b84c3..78b169e042c 100644
--- a/configs/sama5d4-ek/src/sam_wm8904.c
+++ b/configs/sama5d4-ek/src/sam_wm8904.c
@@ -49,10 +49,14 @@
 #include <nuttx/audio/i2s.h>
 #include <nuttx/audio/wm8904.h>
 
+#include <arch/board/board.h>
+
 #include "up_arch.h"
 #include "sam_pio.h"
 #include "sam_twi.h"
 #include "sam_ssc.h"
+#include "sam_sckc.h"
+#include "sam_pck.h"
 
 #include "sama5d4-ek.h"
 
@@ -270,6 +274,18 @@ int sam_wm8904_initialize(int minor)
           goto errout_with_i2s;
         }
 
+      /* Configure the DAC master clock.  This clock is provided by PCK0 (PB26)
+       * that is connected to the WM8904 BCLK/GPIO4 and also drives the SSC
+       * TK0 input clock.
+       */
+
+      sam_sckc_enable(true);
+      (void)sam_pck_configure(PCK0, BOARD_SLOWCLK_FREQUENCY);
+
+      /* Enable the DAC master clock */
+
+      sam_pck_enable(PCK0, true);
+
       /* Configure WM8904 interrupts */
 
       sam_pioirq(PIO_INT_WM8904);