Commit 4ac665df authored by Nikolaus Voss's avatar Nikolaus Voss Committed by Shawn Guo
Browse files

ARM: dts: imx6qdl: use MAC-address from nvmem 



IMX6QDL has fuse locations specified for storing the MAC for the
built-in ethernet (Table 5-8 in Reference Manual).
Define the fuse location in ocotp and refer to them in fec-ethernet.

If the cells are not flashed, the driver behavior is unchanged, i.e.
other MAC sources will be probed and a random MAC will be used as a
last resort.

Signed-off-by: default avatarNikolaus Voss <nikolaus.voss@haag-streit.com>
Signed-off-by: default avatarShawn Guo <shawnguo@kernel.org>
parent a5c75aa3

arch/arm/boot/dts/imx6qdl.dtsi

+6 −0
Original line number Diff line number Diff line
@@ -1053,6 +1053,8 @@ 
					 <&clks IMX6QDL_CLK_ENET_REF>;

				clock-names = "ipg", "ahb", "ptp", "enet_out";

				fsl,stop-mode = <&gpr 0x34 27>;

				nvmem-cells = <&fec_mac_addr>;

				nvmem-cell-names = "mac-address";

				status = "disabled";

			};
@@ -1186,6 +1188,10 @@ 
				tempmon_temp_grade: temp-grade@20 {

					reg = <0x20 4>;

				};



				fec_mac_addr: mac-addr@88 {

					reg = <0x88 6>;

				};

			};



			tzasc@21d0000 { /* TZASC1 */