diff mbox series

[v8,7/7] MIPS: DTS: CI20: make DM9000 Ethernet controller use NVMEM to find the default MAC address

Message ID 1250f496a1f0bd51e89e5a1ba7a3e92a5570b27a.1582905653.git.hns@goldelico.com (mailing list archive)
State Accepted
Headers show
Series MIPS: CI20: Add efuse driver for Ingenic JZ4780 and attach to DM9000 for stable MAC addresses | expand

Commit Message

H. Nikolaus Schaller Feb. 28, 2020, 4 p.m. UTC 
There is a unique MAC address programmed into the eFuses
of the JZ4780 chip in the CI20 factory. By using this
for initializing the DM9000 Ethernet controller, every
CI20 board has an individual - but stable - MAC address
and DHCP can assign stable IP addresses.

Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
---
 arch/mips/boot/dts/ingenic/ci20.dts | 3 +++
 1 file changed, 3 insertions(+)

Comments

Thomas Bogendoerfer April 20, 2020, 7:20 a.m. UTC | #1 
On Fri, Feb 28, 2020 at 05:00:53PM +0100, H. Nikolaus Schaller wrote:
> There is a unique MAC address programmed into the eFuses
> of the JZ4780 chip in the CI20 factory. By using this
> for initializing the DM9000 Ethernet controller, every
> CI20 board has an individual - but stable - MAC address
> and DHCP can assign stable IP addresses.
> 
> Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
> ---
>  arch/mips/boot/dts/ingenic/ci20.dts | 3 +++
>  1 file changed, 3 insertions(+)

applied to mips-next.

Thomas.
diff mbox series

Patch

diff --git a/arch/mips/boot/dts/ingenic/ci20.dts b/arch/mips/boot/dts/ingenic/ci20.dts
index 37b93166bf22..6dc1f9eeff00 100644
--- a/arch/mips/boot/dts/ingenic/ci20.dts
+++ b/arch/mips/boot/dts/ingenic/ci20.dts
@@ -355,6 +355,9 @@ 
 
 		interrupt-parent = <&gpe>;
 		interrupts = <19 4>;
+
+		nvmem-cells = <&eth0_addr>;
+		nvmem-cell-names = "mac-address";
 	};
 };