bcm53xx: prepare kernel 5.15 support

Tested on Luxul XWR-3150 (boot, NAND, PCIe, switch, Ethernet).

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>

1 files changed, 30 insertions, 0 deletions

diff --git a/target/linux/bcm53xx/patches-5.15/030-v5.15-0004-ARM-dts-NSP-add-MDIO-bus-controller-node.patch b/target/linux/bcm53xx/patches-5.15/030-v5.15-0004-ARM-dts-NSP-add-MDIO-bus-controller-node.patch
new file mode 100644
index 0000000000..6164a22c76
--- /dev/null
+++ b/target/linux/bcm53xx/patches-5.15/030-v5.15-0004-ARM-dts-NSP-add-MDIO-bus-controller-node.patch
@@ -0,0 +1,30 @@
+From 236b31b1d84eb0e4f10c5f113a2675529456f919 Mon Sep 17 00:00:00 2001
+From: Matthew Hagan <mnhagan88@gmail.com>
+Date: Sun, 13 Jun 2021 10:46:36 +0100
+Subject: [PATCH] ARM: dts: NSP: add MDIO bus controller node
+
+This patch adds the node for the MDIO bus controller, present on the NSP
+SoC.
+
+Signed-off-by: Matthew Hagan <mnhagan88@gmail.com>
+Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
+---
+ arch/arm/boot/dts/bcm-nsp.dtsi | 7 +++++++
+ 1 file changed, 7 insertions(+)
+
+--- a/arch/arm/boot/dts/bcm-nsp.dtsi
++++ b/arch/arm/boot/dts/bcm-nsp.dtsi
+@@ -363,6 +363,13 @@
+ 			status = "disabled";
+ 		};
+ 
++		mdio: mdio@32000 {
++			compatible = "brcm,iproc-mdio";
++			reg = <0x32000 0x8>;
++			#size-cells = <0>;
++			#address-cells = <1>;
++		};
++
+ 		rng: rng@33000 {
+ 			compatible = "brcm,bcm-nsp-rng";
+ 			reg = <0x33000 0x14>;