diff --git a/drivers/entropy/Kconfig.gecko b/drivers/entropy/Kconfig.gecko
index 8de97483f14..e4990f32c93 100644
--- a/drivers/entropy/Kconfig.gecko
+++ b/drivers/entropy/Kconfig.gecko
@@ -10,6 +10,7 @@ config ENTROPY_GECKO_TRNG
 	depends on DT_HAS_SILABS_GECKO_TRNG_ENABLED
 	select ENTROPY_HAS_DRIVER
 	select CRYPTO_ACC_GECKO_TRNG if SOC_SERIES_EFR32BG22
+	select CRYPTO_ACC_GECKO_TRNG if SOC_SERIES_EFR32BG27
 	help
 	  This option enables the true random number generator
 	  driver based on the TRNG.
diff --git a/drivers/entropy/entropy_gecko_trng.c b/drivers/entropy/entropy_gecko_trng.c
index 2bdd1f1a9c7..18da6d8165e 100644
--- a/drivers/entropy/entropy_gecko_trng.c
+++ b/drivers/entropy/entropy_gecko_trng.c
@@ -11,6 +11,25 @@
  #include "soc.h"
  #include "em_cmu.h"
 
+#if defined(CONFIG_CRYPTO_ACC_GECKO_TRNG)
+/**
+ * Series 2 SoCs have different TRNG register definitions
+ */
+#if defined(_SILICON_LABS_32B_SERIES_2_CONFIG_2)	/* xG22 */
+#define S2_FIFO_BASE	(CRYPTOACC_RNGOUT_FIFO_S_MEM_BASE)
+#define S2_FIFO_LEVEL	(CRYPTOACC_RNGCTRL->FIFOLEVEL)
+#define S2_CTRL		(CRYPTOACC_RNGCTRL->RNGCTRL)
+#define S2_CTRL_ENABLE	(CRYPTOACC_RNGCTRL_ENABLE)
+#elif defined(_SILICON_LABS_32B_SERIES_2_CONFIG_7)	/* xG27 */
+#define S2_FIFO_BASE	(CRYPTOACC_RNGOUT_FIFO_S_MEM_BASE)
+#define S2_FIFO_LEVEL	(CRYPTOACC->NDRNG_FIFOLEVEL)
+#define S2_CTRL		(CRYPTOACC->NDRNG_CONTROL)
+#define S2_CTRL_ENABLE	(CRYPTOACC_NDRNG_CONTROL_ENABLE)
+#else	/* _SILICON_LABS_32B_SERIES_2_CONFIG_* */
+#error "Building for unsupported Series 2 SoC"
+#endif	/* _SILICON_LABS_32B_SERIES_2_CONFIG_* */
+#endif	/* CONFIG_CRYPTO_ACC_GECKO_TRNG */
+
 static void entropy_gecko_trng_read(uint8_t *output, size_t len)
 {
 #ifndef CONFIG_CRYPTO_ACC_GECKO_TRNG
@@ -30,7 +49,7 @@ static void entropy_gecko_trng_read(uint8_t *output, size_t len)
 		memcpy(data, (const uint8_t *) &tmp, len);
 	}
 #else
-	memcpy(output, ((const uint8_t *) CRYPTOACC_RNGOUT_FIFO_S_MEM_BASE), len);
+	memcpy(output, ((const uint8_t *) S2_FIFO_BASE), len);
 #endif
 }
 
@@ -47,7 +66,7 @@ static int entropy_gecko_trng_get_entropy(const struct device *dev,
 #ifndef CONFIG_CRYPTO_ACC_GECKO_TRNG
 		available = TRNG0->FIFOLEVEL * 4;
 #else
-		available = CRYPTOACC_RNGCTRL->FIFOLEVEL * 4;
+		available = S2_FIFO_LEVEL * 4;
 #endif
 		if (available == 0) {
 			return -EINVAL;
@@ -74,7 +93,7 @@ static int entropy_gecko_trng_get_entropy_isr(const struct device *dev,
 #ifndef CONFIG_CRYPTO_ACC_GECKO_TRNG
 		size_t available = TRNG0->FIFOLEVEL * 4;
 #else
-		size_t available = CRYPTOACC_RNGCTRL->FIFOLEVEL * 4;
+		size_t available = S2_FIFO_LEVEL * 4;
 #endif
 
 		if (available == 0) {
@@ -109,7 +128,7 @@ static int entropy_gecko_trng_init(const struct device *dev)
 	CMU_ClockEnable(cmuClock_CRYPTOACC, true);
 
 	/* Enable TRNG */
-	CRYPTOACC_RNGCTRL->RNGCTRL |= CRYPTOACC_RNGCTRL_ENABLE;
+	S2_CTRL |= S2_CTRL_ENABLE;
 #endif
 
 	return 0;