boards: litex_vexriscv: Enable LiteX DNA driver

Enable LiteX DNA ID driver in litex_vexriscv board. Signed-off-by: Jakub Wegnerowski <[email protected]> Signed-off-by: Mateusz Holenko <[email protected]>
mlaz · Sep 21, 2019 · d57a363 · d57a363
1 parent 10ee87a
commit d57a363
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diff --git a/boards/riscv/litex_vexriscv/litex_vexriscv.dts b/boards/riscv/litex_vexriscv/litex_vexriscv.dts
@@ -37,3 +37,7 @@
 &eth0 {
 	status = "okay";
 };
+
+&dna0 {
+	status = "okay";
+};
diff --git a/boards/riscv/litex_vexriscv/litex_vexriscv_defconfig b/boards/riscv/litex_vexriscv/litex_vexriscv_defconfig
@@ -17,3 +17,5 @@ CONFIG_UART_CONSOLE=y
 CONFIG_ETH_LITEETH=y
 CONFIG_ETH_LITEETH_0=y
 CONFIG_NET_L2_ETHERNET=y
+CONFIG_HWINFO=y
+CONFIG_HWINFO_LITEX=y
diff --git a/dts/riscv/riscv32-litex-vexriscv.dtsi b/dts/riscv/riscv32-litex-vexriscv.dtsi
@@ -63,5 +63,17 @@
 			label = "eth0";
 			status = "disabled";
 		};
+		dna0: dna@e0003800 {
+			compatible = "litex,dna0";
+			/* DNA data is 57-bits long,
+			so it requires 8 bytes.
+			In LiteX each 32-bit register holds
+			only a single byte of meaningful data,
+			hence 8 registers. */
+			reg = <0xe0003800 0x20>;
+			reg-names = "mem";
+			label = "dna0";
+			status = "disabled";
+		};
 	};
 };
-Original file line number
+Diff line change
@@ Expand Up / @@ -37,3 +37,7 @@ @@
     &eth0 {
     	status = "okay";
     };
+    &dna0 {
+    	status = "okay";
+    };