[PATCH RFC] ARM: BCM5301X: Add /device_id property including device ID string

[Rafał Miłecki]

Device vendors often assign IDs to their devices to allow comparing
firmware image with device model. This is required to prevent users
from flashing incompatible image and soft-bricking device.
Add device_id property to DTs to allow user space (and optionally
bootloader) verifying firmware images.

Signed-off-by: Rafał Miłecki <zajec5 at gmail.com>
---
Hi guys,

I think my commit message explains pretty well what I'm trying to do,
however I'm not sure if I'm using a right place for that.
I also didn't document this news property, as I can't find a place
where root-properties are currenty described. Is there any such place?
I couldn't find a file describing e.g. "model" property.
---
 arch/arm/boot/dts/bcm4708-asus-rt-ac68u.dts    | 1 +
 arch/arm/boot/dts/bcm4708-netgear-r6250.dts    | 1 +
 arch/arm/boot/dts/bcm4708-netgear-r6300-v2.dts | 1 +
 arch/arm/boot/dts/bcm47081-asus-rt-n18u.dts    | 1 +
 arch/arm/boot/dts/bcm4709-netgear-r8000.dts    | 1 +
 5 files changed, 5 insertions(+)

diff --git a/arch/arm/boot/dts/bcm4708-asus-rt-ac68u.dts b/arch/arm/boot/dts/bcm4708-asus-rt-ac68u.dts
index 8b62836..9d2fac4 100644
--- a/arch/arm/boot/dts/bcm4708-asus-rt-ac68u.dts
+++ b/arch/arm/boot/dts/bcm4708-asus-rt-ac68u.dts
@@ -14,6 +14,7 @@
 / {
 	compatible = "asus,rt-ac68u", "brcm,bcm4708";
 	model = "Asus RT-AC68U (BCM4708)";
+	device_id = "RT-AC68U";
 
 	chosen {
 		bootargs = "console=ttyS0,115200";
diff --git a/arch/arm/boot/dts/bcm4708-netgear-r6250.dts b/arch/arm/boot/dts/bcm4708-netgear-r6250.dts
index 2ed9e57..98c8d63 100644
--- a/arch/arm/boot/dts/bcm4708-netgear-r6250.dts
+++ b/arch/arm/boot/dts/bcm4708-netgear-r6250.dts
@@ -14,6 +14,7 @@
 / {
 	compatible = "netgear,r6250v1", "brcm,bcm4708";
 	model = "Netgear R6250 V1 (BCM4708)";
+	device_id = "U12H245T00_NETGEAR";
 
 	chosen {
 		bootargs = "console=ttyS0,115200";
diff --git a/arch/arm/boot/dts/bcm4708-netgear-r6300-v2.dts b/arch/arm/boot/dts/bcm4708-netgear-r6300-v2.dts
index 3991042..c43173a 100644
--- a/arch/arm/boot/dts/bcm4708-netgear-r6300-v2.dts
+++ b/arch/arm/boot/dts/bcm4708-netgear-r6300-v2.dts
@@ -14,6 +14,7 @@
 / {
 	compatible = "netgear,r6300v2", "brcm,bcm4708";
 	model = "Netgear R6300 V2 (BCM4708)";
+	device_id = "U12H240T00_NETGEAR";
 
 	chosen {
 		bootargs = "console=ttyS0,115200";
diff --git a/arch/arm/boot/dts/bcm47081-asus-rt-n18u.dts b/arch/arm/boot/dts/bcm47081-asus-rt-n18u.dts
index 0ee85ea..876e2c0 100644
--- a/arch/arm/boot/dts/bcm47081-asus-rt-n18u.dts
+++ b/arch/arm/boot/dts/bcm47081-asus-rt-n18u.dts
@@ -14,6 +14,7 @@
 / {
 	compatible = "asus,rt-n18u", "brcm,bcm47081", "brcm,bcm4708";
 	model = "Asus RT-N18U (BCM47081)";
+	device_id = "RT-N18U";
 
 	chosen {
 		bootargs = "console=ttyS0,115200";
diff --git a/arch/arm/boot/dts/bcm4709-netgear-r8000.dts b/arch/arm/boot/dts/bcm4709-netgear-r8000.dts
index ea26dd3..129df9a 100644
--- a/arch/arm/boot/dts/bcm4709-netgear-r8000.dts
+++ b/arch/arm/boot/dts/bcm4709-netgear-r8000.dts
@@ -14,6 +14,7 @@
 / {
 	compatible = "netgear,r8000", "brcm,bcm4709", "brcm,bcm4708";
 	model = "Netgear R8000 (BCM4709)";
+	device_id = "U12H315T00_NETGEAR";
 
 	chosen {
 		bootargs = "console=ttyS0,115200";
-- 
1.8.4.5