bcm53xx: backport Linksys Panamera (EA9500) patches

These patches have been already accepted.

302-ARM-dts-BCM5301X-Update-Northstar-pinctrl-binding.patch had to
be updated.

[rmilecki: use actual upstream accepted patches
           replace v5.10 with v5.11 to match actual upstream kernel
           recover dropped part of the pinctrl compatible patch
           update filenames
           refresh patches]

Signed-off-by: Vivek Unune <npcomplete13@gmail.com>
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>

1 files changed, 61 insertions, 0 deletions

diff --git a/target/linux/bcm53xx/patches-5.4/034-v5.11-0006-ARM-dts-BCM5301X-Linksys-EA9500-make-use-of-pinctrl.patch b/target/linux/bcm53xx/patches-5.4/034-v5.11-0006-ARM-dts-BCM5301X-Linksys-EA9500-make-use-of-pinctrl.patch
new file mode 100644
index 0000000000..785271546b
--- /dev/null
+++ b/target/linux/bcm53xx/patches-5.4/034-v5.11-0006-ARM-dts-BCM5301X-Linksys-EA9500-make-use-of-pinctrl.patch
@@ -0,0 +1,61 @@
+From c862059875cffc013ee27bf9759ac288224e7a14 Mon Sep 17 00:00:00 2001
+From: Vivek Unune <npcomplete13@gmail.com>
+Date: Wed, 4 Nov 2020 15:29:52 -0500
+Subject: [PATCH] ARM: dts: BCM5301X: Linksys EA9500 make use of pinctrl
+
+Now that we have a pin controller, use that instead of manuplating the
+mdio/mdc pins directly. i.e. we no longer require the mdio-mii-mux
+
+Signed-off-by: Vivek Unune <npcomplete13@gmail.com>
+Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
+---
+ .../boot/dts/bcm47094-linksys-panamera.dts    | 26 +++----------------
+ 1 file changed, 4 insertions(+), 22 deletions(-)
+
+--- a/arch/arm/boot/dts/bcm47094-linksys-panamera.dts
++++ b/arch/arm/boot/dts/bcm47094-linksys-panamera.dts
+@@ -123,33 +123,13 @@
+ 		};
+ 	};
+ 
+-	mdio-bus-mux {
+-		#address-cells = <1>;
+-		#size-cells = <0>;
++	mdio-bus-mux@18003000 {
+ 
+ 		/* BIT(9) = 1 => external mdio */
+-		mdio_ext: mdio@200 {
++		mdio@200 {
+ 			reg = <0x200>;
+ 			#address-cells = <1>;
+ 			#size-cells = <0>;
+-		};
+-	};
+-
+-	mdio-mii-mux {
+-		compatible = "mdio-mux-mmioreg";
+-		mdio-parent-bus = <&mdio_ext>;
+-		#address-cells = <1>;
+-		#size-cells = <0>;
+-		reg = <0x1800c1c0 0x4>;
+-
+-		/* BIT(6) = mdc, BIT(7) = mdio */
+-		mux-mask = <0xc0>;
+-
+-		mdio-mii@0 {
+-			/* Enable MII function */
+-			reg = <0x0>;
+-			#address-cells = <1>;
+-			#size-cells = <0>;
+ 
+ 			switch@0  {
+ 				compatible = "brcm,bcm53125";
+@@ -159,6 +139,8 @@
+ 				reset-names = "robo_reset";
+ 				reg = <0>;
+ 				dsa,member = <1 0>;
++				pinctrl-names = "default";
++				pinctrl-0 = <&pinmux_mdio>;
+ 
+ 				ports {
+ 					#address-cells = <1>;