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bcm4908: backport DT patch adding Ethernet MAC address 

This tells OS (Linux) where from MAC should be read (bootloader MTD
partition).

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
(cherry picked from commit 1cc5eb45d5)
This commit is contained in:
Rafał Miłecki 2021-03-31 23:14:24 +02:00
parent 636b8bfac0
commit 052708ce78
1 changed files with 82 additions and 0 deletions
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82
target/linux/bcm4908/patches-5.4/032-v5.13-0011-arm64-dts-broadcom-bcm4908-add-Ethernet-MAC-addr.patch Normal file
View File

@ -0,0 +1,82 @@
From 9f01f5cdb548352418b34ce77db02a560fe2913b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
Date: Mon, 29 Mar 2021 17:45:14 +0200
Subject: [PATCH] arm64: dts: broadcom: bcm4908: add Ethernet MAC addr
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
On most BCM4908 devices MAC address can be read from the bootloader
binary section containing device settings. Use NVMEM to describe that.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---
.../broadcom/bcm4908/bcm4906-netgear-r8000p.dts | 14 ++++++++++++++
.../broadcom/bcm4908/bcm4908-asus-gt-ac5300.dts | 14 ++++++++++++++
2 files changed, 28 insertions(+)
--- a/arch/arm64/boot/dts/broadcom/bcm4908/bcm4906-netgear-r8000p.dts
+++ b/arch/arm64/boot/dts/broadcom/bcm4908/bcm4906-netgear-r8000p.dts
@@ -74,6 +74,11 @@
};
};
+&enet {
+ nvmem-cells = <&base_mac_addr>;
+ nvmem-cell-names = "mac-address";
+};
+
&usb_phy {
brcm,ioc = <1>;
status = "okay";
@@ -130,8 +135,17 @@
#size-cells = <1>;
partition@0 {
+ compatible = "nvmem-cells";
label = "cferom";
reg = <0x0 0x100000>;
+
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0 0x0 0x100000>;
+
+ base_mac_addr: mac@106a0 {
+ reg = <0x106a0 0x6>;
+ };
};
partition@100000 {
--- a/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908-asus-gt-ac5300.dts
+++ b/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908-asus-gt-ac5300.dts
@@ -44,6 +44,11 @@
};
};
+&enet {
+ nvmem-cells = <&base_mac_addr>;
+ nvmem-cell-names = "mac-address";
+};
+
&usb_phy {
brcm,ioc = <1>;
status = "okay";
@@ -128,8 +133,17 @@
#size-cells = <1>;
partition@0 {
+ compatible = "nvmem-cells";
label = "cferom";
reg = <0x0 0x100000>;
+
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0 0x0 0x100000>;
+
+ base_mac_addr: mac@106a0 {
+ reg = <0x106a0 0x6>;
+ };
};
partition@100000 {