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, 60 insertions, 0 deletions

diff --git a/target/linux/bcm53xx/patches-5.15/031-v5.17-0005-ARM-dts-BCM5301X-update-CRU-block-description.patch b/target/linux/bcm53xx/patches-5.15/031-v5.17-0005-ARM-dts-BCM5301X-update-CRU-block-description.patch
new file mode 100644
index 0000000000..0a817e8fd1
--- /dev/null
+++ b/target/linux/bcm53xx/patches-5.15/031-v5.17-0005-ARM-dts-BCM5301X-update-CRU-block-description.patch
@@ -0,0 +1,60 @@
+From 31fd9b79dc580301c53a001482755ba7e88c2809 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
+Date: Fri, 29 Oct 2021 18:05:23 +0200
+Subject: [PATCH] ARM: dts: BCM5301X: update CRU block description
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+This describes CRU in a way matching documentation and fixes:
+
+arch/arm/boot/dts/bcm4708-asus-rt-ac56u.dt.yaml: cru@100: $nodename:0: 'cru@100' does not match '^([a-z][a-z0-9\\-]+-bus|bus|soc|axi|ahb|apb)(@[0-9a-f]+)?$'
+        From schema: /lib/python3.6/site-packages/dtschema/schemas/simple-bus.yaml
+
+Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
+Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
+---
+ arch/arm/boot/dts/bcm5301x.dtsi | 13 +++++++++----
+ 1 file changed, 9 insertions(+), 4 deletions(-)
+
+--- a/arch/arm/boot/dts/bcm5301x.dtsi
++++ b/arch/arm/boot/dts/bcm5301x.dtsi
+@@ -423,14 +423,14 @@
+ 		#address-cells = <1>;
+ 		#size-cells = <1>;
+ 
+-		cru@100 {
+-			compatible = "simple-bus";
++		cru-bus@100 {
++			compatible = "brcm,ns-cru", "simple-mfd";
+ 			reg = <0x100 0x1a4>;
+ 			ranges;
+ 			#address-cells = <1>;
+ 			#size-cells = <1>;
+ 
+-			lcpll0: lcpll0@100 {
++			lcpll0: clock-controller@100 {
+ 				#clock-cells = <1>;
+ 				compatible = "brcm,nsp-lcpll0";
+ 				reg = <0x100 0x14>;
+@@ -439,7 +439,7 @@
+ 						     "sdio", "ddr_phy";
+ 			};
+ 
+-			genpll: genpll@140 {
++			genpll: clock-controller@140 {
+ 				#clock-cells = <1>;
+ 				compatible = "brcm,nsp-genpll";
+ 				reg = <0x140 0x24>;
+@@ -450,6 +450,11 @@
+ 						     "sata1", "sata2";
+ 			};
+ 
++			syscon@180 {
++				compatible = "brcm,cru-clkset", "syscon";
++				reg = <0x180 0x4>;
++			};
++
+ 			pinctrl: pin-controller@1c0 {
+ 				compatible = "brcm,bcm4708-pinmux";
+ 				reg = <0x1c0 0x24>;