boards: riscv: tlsr9518adk80d: add Telink B91 Entropy driver support

Added Entropy driver board support

Signed-off-by: Yuriy Vynnychek <[email protected]>

Author: Yuriy Vynnychek

boards/riscv/tlsr9518adk80d/Kconfig.defconfig

@@ -18,6 +18,9 @@ config UART_TELINK_B91
 config PINMUX_TELINK_B91
 	default y if PINMUX
 
+config ENTROPY_TELINK_B91_TRNG
+	default y if ENTROPY_GENERATOR
+
 config SOC_FLASH_TELINK_B91
 	default y if FLASH
 

boards/riscv/tlsr9518adk80d/doc/index.rst

@@ -65,6 +65,8 @@ The Zephyr TLSR9518ADK80D board configuration supports the following hardware fe
 +----------------+------------+------------------------------+
 | FLASH (MSPI)   | on-chip    | flash                        |
 +----------------+------------+------------------------------+
+| TRNG           | on-chip    | entopy                       |
++----------------+------------+------------------------------+
 | RADIO          | on-chip    | ieee802154, OpenThread       |
 +----------------+------------+------------------------------+
 

boards/riscv/tlsr9518adk80d/tlsr9518adk80d.dts

@@ -56,6 +56,7 @@
 		zephyr,sram = &ram_dlm;
 		zephyr,flash = &flash;
 		zephyr,flash-controller = &flash_mspi;
+		zephyr,entropy = &trng0;
 	};
 };
 
@@ -95,6 +96,10 @@
 	pinctrl-0 = <&uart0_tx_pb2 &uart0_rx_pb3>;
 };
 
+&trng0 {
+	status = "okay";
+};
+
 &ieee802154 {
 	status = "okay";
 };