bcm53xx: backport first 5.13 DTS changes

This adds NVMEM bindings that are needed for proper booting on Linksys
devices.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
(cherry picked from commit 98d456a14e00e24acec36247fb5bd379da90f84e)

3 files changed, 476 insertions, 1 deletions

diff --git a/target/linux/bcm53xx/patches-5.4/035-v5.13-0001-ARM-dts-BCM5301X-fix-reg-formatting-in-memory-node.patch b/target/linux/bcm53xx/patches-5.4/035-v5.13-0001-ARM-dts-BCM5301X-fix-reg-formatting-in-memory-node.patch
new file mode 100644
index 0000000000..532c1f72ab
--- /dev/null
+++ b/target/linux/bcm53xx/patches-5.4/035-v5.13-0001-ARM-dts-BCM5301X-fix-reg-formatting-in-memory-node.patch
@@ -0,0 +1,339 @@
+From d0b16b9596468c29742049e26a866f559ec476bb Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
+Date: Tue, 9 Mar 2021 13:55:00 +0100
+Subject: [PATCH] ARM: dts: BCM5301X: fix "reg" formatting in /memory node
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+This fixes warnings/errors like:
+arch/arm/boot/dts/bcm4708-buffalo-wzr-1750dhp.dt.yaml: /: memory@0:reg:0: [0, 134217728, 2281701376, 402653184] is too long
+        From schema: /lib/python3.6/site-packages/dtschema/schemas/reg.yaml
+
+Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
+Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
+---
+ arch/arm/boot/dts/bcm4708-asus-rt-ac56u.dts        | 4 ++--
+ arch/arm/boot/dts/bcm4708-asus-rt-ac68u.dts        | 4 ++--
+ arch/arm/boot/dts/bcm4708-buffalo-wzr-1750dhp.dts  | 4 ++--
+ arch/arm/boot/dts/bcm4708-netgear-r6250.dts        | 4 ++--
+ arch/arm/boot/dts/bcm4708-netgear-r6300-v2.dts     | 4 ++--
+ arch/arm/boot/dts/bcm4708-smartrg-sr400ac.dts      | 4 ++--
+ arch/arm/boot/dts/bcm47081-asus-rt-n18u.dts        | 4 ++--
+ arch/arm/boot/dts/bcm47081-buffalo-wzr-600dhp2.dts | 4 ++--
+ arch/arm/boot/dts/bcm47081-buffalo-wzr-900dhp.dts  | 4 ++--
+ arch/arm/boot/dts/bcm4709-asus-rt-ac87u.dts        | 4 ++--
+ arch/arm/boot/dts/bcm4709-buffalo-wxr-1900dhp.dts  | 4 ++--
+ arch/arm/boot/dts/bcm4709-linksys-ea9200.dts       | 4 ++--
+ arch/arm/boot/dts/bcm4709-netgear-r7000.dts        | 4 ++--
+ arch/arm/boot/dts/bcm4709-netgear-r8000.dts        | 4 ++--
+ arch/arm/boot/dts/bcm47094-dlink-dir-885l.dts      | 4 ++--
+ arch/arm/boot/dts/bcm47094-linksys-panamera.dts    | 4 ++--
+ arch/arm/boot/dts/bcm47094-luxul-abr-4500.dts      | 4 ++--
+ arch/arm/boot/dts/bcm47094-luxul-xbr-4500.dts      | 4 ++--
+ arch/arm/boot/dts/bcm47094-luxul-xwc-2000.dts      | 4 ++--
+ arch/arm/boot/dts/bcm47094-luxul-xwr-3100.dts      | 4 ++--
+ arch/arm/boot/dts/bcm47094-luxul-xwr-3150-v1.dts   | 4 ++--
+ arch/arm/boot/dts/bcm47094-netgear-r8500.dts       | 4 ++--
+ arch/arm/boot/dts/bcm47094-phicomm-k3.dts          | 4 ++--
+ 23 files changed, 46 insertions(+), 46 deletions(-)
+
+--- a/arch/arm/boot/dts/bcm4708-asus-rt-ac56u.dts
++++ b/arch/arm/boot/dts/bcm4708-asus-rt-ac56u.dts
+@@ -21,8 +21,8 @@
+ 
+ 	memory@0 {
+ 		device_type = "memory";
+-		reg = <0x00000000 0x08000000
+-		       0x88000000 0x08000000>;
++		reg = <0x00000000 0x08000000>,
++		      <0x88000000 0x08000000>;
+ 	};
+ 
+ 	leds {
+--- a/arch/arm/boot/dts/bcm4708-asus-rt-ac68u.dts
++++ b/arch/arm/boot/dts/bcm4708-asus-rt-ac68u.dts
+@@ -21,8 +21,8 @@
+ 
+ 	memory@0 {
+ 		device_type = "memory";
+-		reg = <0x00000000 0x08000000
+-		       0x88000000 0x08000000>;
++		reg = <0x00000000 0x08000000>,
++		      <0x88000000 0x08000000>;
+ 	};
+ 
+ 	leds {
+--- a/arch/arm/boot/dts/bcm4708-buffalo-wzr-1750dhp.dts
++++ b/arch/arm/boot/dts/bcm4708-buffalo-wzr-1750dhp.dts
+@@ -21,8 +21,8 @@
+ 
+ 	memory@0 {
+ 		device_type = "memory";
+-		reg = <0x00000000 0x08000000
+-		       0x88000000 0x18000000>;
++		reg = <0x00000000 0x08000000>,
++		      <0x88000000 0x18000000>;
+ 	};
+ 
+ 	spi {
+--- a/arch/arm/boot/dts/bcm4708-netgear-r6250.dts
++++ b/arch/arm/boot/dts/bcm4708-netgear-r6250.dts
+@@ -22,8 +22,8 @@
+ 
+ 	memory {
+ 		device_type = "memory";
+-		reg = <0x00000000 0x08000000
+-		       0x88000000 0x08000000>;
++		reg = <0x00000000 0x08000000>,
++		      <0x88000000 0x08000000>;
+ 	};
+ 
+ 	leds {
+--- a/arch/arm/boot/dts/bcm4708-netgear-r6300-v2.dts
++++ b/arch/arm/boot/dts/bcm4708-netgear-r6300-v2.dts
+@@ -21,8 +21,8 @@
+ 
+ 	memory@0 {
+ 		device_type = "memory";
+-		reg = <0x00000000 0x08000000
+-		       0x88000000 0x08000000>;
++		reg = <0x00000000 0x08000000>,
++		      <0x88000000 0x08000000>;
+ 	};
+ 
+ 	leds {
+--- a/arch/arm/boot/dts/bcm4708-smartrg-sr400ac.dts
++++ b/arch/arm/boot/dts/bcm4708-smartrg-sr400ac.dts
+@@ -21,8 +21,8 @@
+ 
+ 	memory@0 {
+ 		device_type = "memory";
+-		reg = <0x00000000 0x08000000
+-		       0x88000000 0x08000000>;
++		reg = <0x00000000 0x08000000>,
++		      <0x88000000 0x08000000>;
+ 	};
+ 
+ 	leds {
+--- a/arch/arm/boot/dts/bcm47081-asus-rt-n18u.dts
++++ b/arch/arm/boot/dts/bcm47081-asus-rt-n18u.dts
+@@ -21,8 +21,8 @@
+ 
+ 	memory@0 {
+ 		device_type = "memory";
+-		reg = <0x00000000 0x08000000
+-		       0x88000000 0x08000000>;
++		reg = <0x00000000 0x08000000>,
++		      <0x88000000 0x08000000>;
+ 	};
+ 
+ 	leds {
+--- a/arch/arm/boot/dts/bcm47081-buffalo-wzr-600dhp2.dts
++++ b/arch/arm/boot/dts/bcm47081-buffalo-wzr-600dhp2.dts
+@@ -21,8 +21,8 @@
+ 
+ 	memory@0 {
+ 		device_type = "memory";
+-		reg = <0x00000000 0x08000000
+-		       0x88000000 0x08000000>;
++		reg = <0x00000000 0x08000000>,
++		      <0x88000000 0x08000000>;
+ 	};
+ 
+ 	spi {
+--- a/arch/arm/boot/dts/bcm47081-buffalo-wzr-900dhp.dts
++++ b/arch/arm/boot/dts/bcm47081-buffalo-wzr-900dhp.dts
+@@ -21,8 +21,8 @@
+ 
+ 	memory@0 {
+ 		device_type = "memory";
+-		reg = <0x00000000 0x08000000
+-		       0x88000000 0x08000000>;
++		reg = <0x00000000 0x08000000>,
++		      <0x88000000 0x08000000>;
+ 	};
+ 
+ 	spi {
+--- a/arch/arm/boot/dts/bcm4709-asus-rt-ac87u.dts
++++ b/arch/arm/boot/dts/bcm4709-asus-rt-ac87u.dts
+@@ -21,8 +21,8 @@
+ 
+ 	memory {
+ 		device_type = "memory";
+-		reg = <0x00000000 0x08000000
+-		       0x88000000 0x08000000>;
++		reg = <0x00000000 0x08000000>,
++		      <0x88000000 0x08000000>;
+ 	};
+ 
+ 	leds {
+--- a/arch/arm/boot/dts/bcm4709-buffalo-wxr-1900dhp.dts
++++ b/arch/arm/boot/dts/bcm4709-buffalo-wxr-1900dhp.dts
+@@ -21,8 +21,8 @@
+ 
+ 	memory {
+ 		device_type = "memory";
+-		reg = <0x00000000 0x08000000
+-		       0x88000000 0x18000000>;
++		reg = <0x00000000 0x08000000>,
++		      <0x88000000 0x18000000>;
+ 	};
+ 
+ 	leds {
+--- a/arch/arm/boot/dts/bcm4709-linksys-ea9200.dts
++++ b/arch/arm/boot/dts/bcm4709-linksys-ea9200.dts
+@@ -18,8 +18,8 @@
+ 
+ 	memory {
+ 		device_type = "memory";
+-		reg = <0x00000000 0x08000000
+-		       0x88000000 0x08000000>;
++		reg = <0x00000000 0x08000000>,
++		      <0x88000000 0x08000000>;
+ 	};
+ 
+ 	gpio-keys {
+--- a/arch/arm/boot/dts/bcm4709-netgear-r7000.dts
++++ b/arch/arm/boot/dts/bcm4709-netgear-r7000.dts
+@@ -21,8 +21,8 @@
+ 
+ 	memory {
+ 		device_type = "memory";
+-		reg = <0x00000000 0x08000000
+-		       0x88000000 0x08000000>;
++		reg = <0x00000000 0x08000000>,
++		      <0x88000000 0x08000000>;
+ 	};
+ 
+ 	leds {
+--- a/arch/arm/boot/dts/bcm4709-netgear-r8000.dts
++++ b/arch/arm/boot/dts/bcm4709-netgear-r8000.dts
+@@ -32,8 +32,8 @@
+ 
+ 	memory {
+ 		device_type = "memory";
+-		reg = <0x00000000 0x08000000
+-		       0x88000000 0x08000000>;
++		reg = <0x00000000 0x08000000>,
++		      <0x88000000 0x08000000>;
+ 	};
+ 
+ 	leds {
+--- a/arch/arm/boot/dts/bcm47094-dlink-dir-885l.dts
++++ b/arch/arm/boot/dts/bcm47094-dlink-dir-885l.dts
+@@ -21,8 +21,8 @@
+ 
+ 	memory@0 {
+ 		device_type = "memory";
+-		reg = <0x00000000 0x08000000
+-		       0x88000000 0x08000000>;
++		reg = <0x00000000 0x08000000>,
++		      <0x88000000 0x08000000>;
+ 	};
+ 
+ 	nand: nand@18028000 {
+--- a/arch/arm/boot/dts/bcm47094-linksys-panamera.dts
++++ b/arch/arm/boot/dts/bcm47094-linksys-panamera.dts
+@@ -18,8 +18,8 @@
+ 
+ 	memory@0 {
+ 		device_type = "memory";
+-		reg = <0x00000000 0x08000000
+-		       0x88000000 0x08000000>;
++		reg = <0x00000000 0x08000000>,
++		      <0x88000000 0x08000000>;
+ 	};
+ 
+ 	gpio-keys {
+--- a/arch/arm/boot/dts/bcm47094-luxul-abr-4500.dts
++++ b/arch/arm/boot/dts/bcm47094-luxul-abr-4500.dts
+@@ -18,8 +18,8 @@
+ 
+ 	memory@0 {
+ 		device_type = "memory";
+-		reg = <0x00000000 0x08000000
+-		       0x88000000 0x18000000>;
++		reg = <0x00000000 0x08000000>,
++		      <0x88000000 0x18000000>;
+ 	};
+ 
+ 	leds {
+--- a/arch/arm/boot/dts/bcm47094-luxul-xbr-4500.dts
++++ b/arch/arm/boot/dts/bcm47094-luxul-xbr-4500.dts
+@@ -18,8 +18,8 @@
+ 
+ 	memory@0 {
+ 		device_type = "memory";
+-		reg = <0x00000000 0x08000000
+-		       0x88000000 0x18000000>;
++		reg = <0x00000000 0x08000000>,
++		      <0x88000000 0x18000000>;
+ 	};
+ 
+ 	leds {
+--- a/arch/arm/boot/dts/bcm47094-luxul-xwc-2000.dts
++++ b/arch/arm/boot/dts/bcm47094-luxul-xwc-2000.dts
+@@ -18,8 +18,8 @@
+ 
+ 	memory {
+ 		device_type = "memory";
+-		reg = <0x00000000 0x08000000
+-		       0x88000000 0x18000000>;
++		reg = <0x00000000 0x08000000>,
++		      <0x88000000 0x18000000>;
+ 	};
+ 
+ 	leds {
+--- a/arch/arm/boot/dts/bcm47094-luxul-xwr-3100.dts
++++ b/arch/arm/boot/dts/bcm47094-luxul-xwr-3100.dts
+@@ -18,8 +18,8 @@
+ 
+ 	memory@0 {
+ 		device_type = "memory";
+-		reg = <0x00000000 0x08000000
+-		       0x88000000 0x08000000>;
++		reg = <0x00000000 0x08000000>,
++		      <0x88000000 0x08000000>;
+ 	};
+ 
+ 	leds {
+--- a/arch/arm/boot/dts/bcm47094-luxul-xwr-3150-v1.dts
++++ b/arch/arm/boot/dts/bcm47094-luxul-xwr-3150-v1.dts
+@@ -18,8 +18,8 @@
+ 
+ 	memory@0 {
+ 		device_type = "memory";
+-		reg = <0x00000000 0x08000000
+-		       0x88000000 0x18000000>;
++		reg = <0x00000000 0x08000000>,
++		      <0x88000000 0x18000000>;
+ 	};
+ 
+ 	leds {
+--- a/arch/arm/boot/dts/bcm47094-netgear-r8500.dts
++++ b/arch/arm/boot/dts/bcm47094-netgear-r8500.dts
+@@ -18,8 +18,8 @@
+ 
+ 	memory@0 {
+ 		device_type = "memory";
+-		reg = <0x00000000 0x08000000
+-		       0x88000000 0x18000000>;
++		reg = <0x00000000 0x08000000>,
++		      <0x88000000 0x18000000>;
+ 	};
+ 
+ 	leds {
+--- a/arch/arm/boot/dts/bcm47094-phicomm-k3.dts
++++ b/arch/arm/boot/dts/bcm47094-phicomm-k3.dts
+@@ -15,8 +15,8 @@
+ 
+ 	memory@0 {
+ 		device_type = "memory";
+-		reg = <0x00000000 0x08000000
+-		       0x88000000 0x18000000>;
++		reg = <0x00000000 0x08000000>,
++		      <0x88000000 0x18000000>;
+ 	};
+ 
+ 	gpio-keys {
diff --git a/target/linux/bcm53xx/patches-5.4/035-v5.13-0002-ARM-dts-BCM5301X-Describe-NVMEM-NVRAM-on-Linksys-Lux.patch b/target/linux/bcm53xx/patches-5.4/035-v5.13-0002-ARM-dts-BCM5301X-Describe-NVMEM-NVRAM-on-Linksys-Lux.patch
new file mode 100644
index 0000000000..136d221a97
--- /dev/null
+++ b/target/linux/bcm53xx/patches-5.4/035-v5.13-0002-ARM-dts-BCM5301X-Describe-NVMEM-NVRAM-on-Linksys-Lux.patch
@@ -0,0 +1,136 @@
+From 428ac8df021dd1cbcc693eb76636873d42327e5d Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
+Date: Wed, 10 Mar 2021 22:04:46 +0100
+Subject: [PATCH] ARM: dts: BCM5301X: Describe NVMEM NVRAM on Linksys & Luxul
+ routers
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Provide access to NVRAM which contains device environment variables.
+
+Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
+Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
+---
+ arch/arm/boot/dts/bcm4708-linksys-ea6300-v1.dts  | 5 +++++
+ arch/arm/boot/dts/bcm47081-luxul-xwr-1200.dts    | 5 +++++
+ arch/arm/boot/dts/bcm4709-linksys-ea9200.dts     | 5 +++++
+ arch/arm/boot/dts/bcm47094-linksys-panamera.dts  | 5 +++++
+ arch/arm/boot/dts/bcm47094-luxul-abr-4500.dts    | 5 +++++
+ arch/arm/boot/dts/bcm47094-luxul-xbr-4500.dts    | 5 +++++
+ arch/arm/boot/dts/bcm47094-luxul-xwr-3100.dts    | 5 +++++
+ arch/arm/boot/dts/bcm47094-luxul-xwr-3150-v1.dts | 5 +++++
+ 8 files changed, 40 insertions(+)
+
+--- a/arch/arm/boot/dts/bcm4708-linksys-ea6300-v1.dts
++++ b/arch/arm/boot/dts/bcm4708-linksys-ea6300-v1.dts
+@@ -21,6 +21,11 @@
+ 		reg = <0x00000000 0x08000000>;
+ 	};
+ 
++	nvram@1c080000 {
++		compatible = "brcm,nvram";
++		reg = <0x1c080000 0x180000>;
++	};
++
+ 	gpio-keys {
+ 		compatible = "gpio-keys";
+ 
+--- a/arch/arm/boot/dts/bcm47081-luxul-xwr-1200.dts
++++ b/arch/arm/boot/dts/bcm47081-luxul-xwr-1200.dts
+@@ -21,6 +21,11 @@
+ 		reg = <0x00000000 0x08000000>;
+ 	};
+ 
++	nvram@1eff0000 {
++		compatible = "brcm,nvram";
++		reg = <0x1eff0000 0x10000>;
++	};
++
+ 	leds {
+ 		compatible = "gpio-leds";
+ 
+--- a/arch/arm/boot/dts/bcm4709-linksys-ea9200.dts
++++ b/arch/arm/boot/dts/bcm4709-linksys-ea9200.dts
+@@ -22,6 +22,11 @@
+ 		      <0x88000000 0x08000000>;
+ 	};
+ 
++	nvram@1c080000 {
++		compatible = "brcm,nvram";
++		reg = <0x1c080000 0x180000>;
++	};
++
+ 	gpio-keys {
+ 		compatible = "gpio-keys";
+ 		#address-cells = <1>;
+--- a/arch/arm/boot/dts/bcm47094-linksys-panamera.dts
++++ b/arch/arm/boot/dts/bcm47094-linksys-panamera.dts
+@@ -22,6 +22,11 @@
+ 		      <0x88000000 0x08000000>;
+ 	};
+ 
++	nvram@1c080000 {
++		compatible = "brcm,nvram";
++		reg = <0x1c080000 0x100000>;
++	};
++
+ 	gpio-keys {
+ 		compatible = "gpio-keys";
+ 
+--- a/arch/arm/boot/dts/bcm47094-luxul-abr-4500.dts
++++ b/arch/arm/boot/dts/bcm47094-luxul-abr-4500.dts
+@@ -22,6 +22,11 @@
+ 		      <0x88000000 0x18000000>;
+ 	};
+ 
++	nvram@1eff0000 {
++		compatible = "brcm,nvram";
++		reg = <0x1eff0000 0x10000>;
++	};
++
+ 	leds {
+ 		compatible = "gpio-leds";
+ 
+--- a/arch/arm/boot/dts/bcm47094-luxul-xbr-4500.dts
++++ b/arch/arm/boot/dts/bcm47094-luxul-xbr-4500.dts
+@@ -22,6 +22,11 @@
+ 		      <0x88000000 0x18000000>;
+ 	};
+ 
++	nvram@1eff0000 {
++		compatible = "brcm,nvram";
++		reg = <0x1eff0000 0x10000>;
++	};
++
+ 	leds {
+ 		compatible = "gpio-leds";
+ 
+--- a/arch/arm/boot/dts/bcm47094-luxul-xwr-3100.dts
++++ b/arch/arm/boot/dts/bcm47094-luxul-xwr-3100.dts
+@@ -22,6 +22,11 @@
+ 		      <0x88000000 0x08000000>;
+ 	};
+ 
++	nvram@1eff0000 {
++		compatible = "brcm,nvram";
++		reg = <0x1eff0000 0x10000>;
++	};
++
+ 	leds {
+ 		compatible = "gpio-leds";
+ 
+--- a/arch/arm/boot/dts/bcm47094-luxul-xwr-3150-v1.dts
++++ b/arch/arm/boot/dts/bcm47094-luxul-xwr-3150-v1.dts
+@@ -22,6 +22,11 @@
+ 		      <0x88000000 0x18000000>;
+ 	};
+ 
++	nvram@1eff0000 {
++		compatible = "brcm,nvram";
++		reg = <0x1eff0000 0x10000>;
++	};
++
+ 	leds {
+ 		compatible = "gpio-leds";
+ 
diff --git a/target/linux/bcm53xx/patches-5.4/320-ARM-dts-BCM5301X-Add-serial-to-the-bootargs.patch b/target/linux/bcm53xx/patches-5.4/320-ARM-dts-BCM5301X-Add-serial-to-the-bootargs.patch
index cbba087daa..f0d5d0cae4 100644
--- a/target/linux/bcm53xx/patches-5.4/320-ARM-dts-BCM5301X-Add-serial-to-the-bootargs.patch
+++ b/target/linux/bcm53xx/patches-5.4/320-ARM-dts-BCM5301X-Add-serial-to-the-bootargs.patch
@@ -102,7 +102,7 @@ Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
 +
  	memory@0 {
  		device_type = "memory";
- 		reg = <0x00000000 0x08000000
+ 		reg = <0x00000000 0x08000000>,
 --- a/arch/arm/boot/dts/bcm47094-luxul-xwc-2000.dts
 +++ b/arch/arm/boot/dts/bcm47094-luxul-xwc-2000.dts
 @@ -13,7 +13,7 @@