boards: nxp/frdm_mcxaxx6: Support trng for NXP frdm_mcxaxx6 board

NeilChen93 · NeilChen93 · commit 22881d81d302 · 2025-10-20T21:33:00.000+08:00
Support trng for NXP frdm_mcxa366 and frdm_mcxa266 board
Verified tests/drivers/entropy/api

Signed-off-by: Neil Chen &lt;cheng.chen_1@nxp.com&gt;
diff --git a/boards/nxp/frdm_mcxaxx6/board.c b/boards/nxp/frdm_mcxaxx6/board.c
@@ -311,6 +311,10 @@ void board_early_init_hook(void)
 	RESET_ReleasePeripheralReset(kFLEXIO0_RST_SHIFT_RSTn);
 #endif
 
+#if DT_NODE_HAS_STATUS_OKAY(DT_NODELABEL(trng))
+	RESET_ReleasePeripheralReset(kTRNG0_RST_SHIFT_RSTn);
+#endif
+
 	/* Set SystemCoreClock variable. */
 	SystemCoreClock = CLOCK_INIT_CORE_CLOCK;
 }
diff --git a/boards/nxp/frdm_mcxaxx6/frdm_mcxa266.dts b/boards/nxp/frdm_mcxaxx6/frdm_mcxa266.dts
@@ -18,6 +18,10 @@
 	aliases {
 		ambient-temp0 = &p3t1755;
 	};
+
+	chosen {
+		zephyr,entropy = &trng;
+	};
 };
 
 &cpu0 {
diff --git a/boards/nxp/frdm_mcxaxx6/frdm_mcxa266.yaml b/boards/nxp/frdm_mcxaxx6/frdm_mcxa266.yaml
@@ -25,4 +25,5 @@ supported:
   - dma
   - i3c
   - can
+  - entropy
 vendor: nxp
diff --git a/boards/nxp/frdm_mcxaxx6/frdm_mcxa366.dts b/boards/nxp/frdm_mcxaxx6/frdm_mcxa366.dts
@@ -18,6 +18,10 @@
 	aliases {
 		ambient-temp0 = &p3t1755;
 	};
+
+	chosen {
+		zephyr,entropy = &trng;
+	};
 };
 
 &cpu0 {
diff --git a/boards/nxp/frdm_mcxaxx6/frdm_mcxa366.yaml b/boards/nxp/frdm_mcxaxx6/frdm_mcxa366.yaml
@@ -26,4 +26,5 @@ supported:
   - i3c
   - opamp
   - can
+  - entropy
 vendor: nxp

-Original file line number
+Diff line change
   - dma
   - i3c
   - can
 +  - entropy
 vendor: nxp