boards: renesas: add board support entropy driver using TRNG

add support entropy for board: EK_RA6E2, EK_RA4E2, EK_RA2A1 Signed-off-by: Danh Doan <[email protected]> Signed-off-by: Khoa Nguyen <[email protected]>
zephyrproject-rtos · Dec 18, 2024 · d5b26b8 · d5b26b8
1 parent a417f88
commit d5b26b8
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diff --git a/boards/renesas/ek_ra2a1/doc/index.rst b/boards/renesas/ek_ra2a1/doc/index.rst
@@ -82,6 +82,8 @@ hardware features:
 +-----------+------------+-------------------------------+
 | COUNTER   | on-chip    | counter                       |
 +-----------+------------+-------------------------------+
+| ENTROPY   | on-chip    | entropy                       |
++-----------+------------+-------------------------------+
 
 The default configuration can be found in
 :zephyr_file:`boards/renesas/ek_ra2a1/ek_ra2a1_defconfig`

diff --git a/boards/renesas/ek_ra2a1/ek_ra2a1.dts b/boards/renesas/ek_ra2a1/ek_ra2a1.dts
@@ -19,6 +19,7 @@
 		zephyr,flash = &flash0;
 		zephyr,console = &uart0;
 		zephyr,shell-uart = &uart0;
+		zephyr,entropy = &trng;
 	};
 
 	leds {
@@ -69,3 +70,7 @@
 &ioport1 {
 	status = "okay";
 };
+
+&trng {
+	status = "okay";
+};
diff --git a/boards/renesas/ek_ra4e2/doc/index.rst b/boards/renesas/ek_ra4e2/doc/index.rst
@@ -100,6 +100,8 @@ The below features are currently supported on Zephyr OS for EK-RA4E2 board:
 +-----------+------------+----------------------+
 | SPI       | on-chip    | spi                  |
 +-----------+------------+----------------------+
+| ENTROPY   | on-chip    | entropy              |
++-----------+------------+----------------------+
 
 Other hardware features are currently not supported by the port.
 

diff --git a/boards/renesas/ek_ra4e2/ek_ra4e2.dts b/boards/renesas/ek_ra4e2/ek_ra4e2.dts
@@ -19,6 +19,7 @@
 		zephyr,console = &uart0;
 		zephyr,shell-uart = &uart0;
 		zephyr,canbus = &canfd0;
+		zephyr,entropy = &trng;
 	};
 
 	leds {
@@ -111,3 +112,7 @@
 		status = "okay";
 	};
 };
+
+&trng {
+	status = "okay";
+};
diff --git a/boards/renesas/ek_ra6e2/doc/index.rst b/boards/renesas/ek_ra6e2/doc/index.rst
@@ -100,6 +100,8 @@ The below features are currently supported on Zephyr OS for EK-RA6E2 board:
 +-----------+------------+----------------------+
 | SPI       | on-chip    | spi                  |
 +-----------+------------+----------------------+
+| ENTROPY   | on-chip    | entropy              |
++-----------+------------+----------------------+
 
 Other hardware features are currently not supported by the port.
 

diff --git a/boards/renesas/ek_ra6e2/ek_ra6e2.dts b/boards/renesas/ek_ra6e2/ek_ra6e2.dts
@@ -20,6 +20,7 @@
 		zephyr,console = &uart0;
 		zephyr,shell-uart = &uart0;
 		zephyr,canbus = &canfd0;
+		zephyr,entropy = &trng;
 	};
 
 	leds {
@@ -126,3 +127,7 @@
 		};
 	};
 };
+
+&trng {
+	status ="okay";
+};
diff --git a/boards/renesas/fpb_ra6e2/doc/index.rst b/boards/renesas/fpb_ra6e2/doc/index.rst
@@ -87,6 +87,8 @@ The below features are currently supported on Zephyr OS for FPB-RA6E2 board:
 +-----------+------------+----------------------+
 | SPI       | on-chip    | spi                  |
 +-----------+------------+----------------------+
+| ENTROPY   | on-chip    | entropy              |
++-----------+------------+----------------------+
 
 Other hardware features are currently not supported by the port.
 

diff --git a/boards/renesas/fpb_ra6e2/fpb_ra6e2.dts b/boards/renesas/fpb_ra6e2/fpb_ra6e2.dts
@@ -19,6 +19,7 @@
 		zephyr,flash = &flash0;
 		zephyr,console = &uart0;
 		zephyr,shell-uart = &uart0;
+		zephyr,entropy = &trng;
 	};
 
 	leds {
@@ -87,3 +88,7 @@
 	mul = <10 0>;
 	status = "okay";
 };
+
+&trng {
+	status ="okay";
+};
diff --git a/dts/arm/renesas/ra/ra2/r7fa2a1xh.dtsi b/dts/arm/renesas/ra/ra2/r7fa2a1xh.dtsi
@@ -25,6 +25,11 @@
 			interrupts = <16 1>, <17 1>, <18 1>, <19 1>;
 			interrupt-names = "rxi", "txi", "tei", "eri";
 		};
+
+		trng: trng {
+			compatible = "renesas,ra-trng";
+			status = "disabled";
+		};
 	};
 
 	clocks: clocks {

diff --git a/dts/arm/renesas/ra/ra4/r7fa4e2b93cfm.dtsi b/dts/arm/renesas/ra/ra4/r7fa4e2b93cfm.dtsi
@@ -67,6 +67,11 @@
 				status = "disabled";
 			};
 		};
+
+		trng: trng {
+			compatible = "renesas,ra-trng";
+			status = "disabled";
+		};
 	};
 
 	clocks: clocks {

diff --git a/dts/arm/renesas/ra/ra6/r7fa6e2bx.dtsi b/dts/arm/renesas/ra/ra6/r7fa6e2bx.dtsi
@@ -57,6 +57,11 @@
 				status = "disabled";
 			};
 		};
+
+		trng: trng {
+			compatible = "renesas,ra-trng";
+			status = "disabled";
+		};
 	};
 
 	clocks: clocks {
-Original file line number
+Diff line change
@@ Expand Up @@
     +-----------+------------+----------------------+
     | SPI       | on-chip    | spi                  |
     +-----------+------------+----------------------+
+    | ENTROPY   | on-chip    | entropy              |
+    +-----------+------------+----------------------+
     Other hardware features are currently not supported by the port.
@@ Expand Down @@