[openwrt/openwrt] bcm53xx: backport uart2 and pcie2 device-nodes

[LEDE Commits]

chunkeey pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/5f610ec4b80b3d20e63f6600a9c8810ce975df19

commit 5f610ec4b80b3d20e63f6600a9c8810ce975df19
Author: Christian Lamparter <chunkeey at gmail.com>
AuthorDate: Sat Aug 29 23:23:32 2020 +0200

    bcm53xx: backport uart2 and pcie2 device-nodes
    
    These have made their way into -next. This patch
    also includes the portion of the bcm53xx kernel
    patch refreshes as the hunks in
    302-ARM-dts-BCM5301X-Update-Northstar-pinctrl-binding.patch
    moved slightly due to the added nodes.
    
    Signed-off-by: Christian Lamparter <chunkeey at gmail.com>
---
 ...-ARM-dts-BCM5301X-Specify-uart2-in-the-DT.patch | 30 ++++++++++++++++++++++
 ...-ARM-dts-BCM5301X-Specify-pcie2-in-the-DT.patch | 26 +++++++++++++++++++
 ...BCM5301X-Update-Northstar-pinctrl-binding.patch |  2 +-
 3 files changed, 57 insertions(+), 1 deletion(-)

diff --git a/target/linux/bcm53xx/patches-5.4/034-v5.10-ARM-dts-BCM5301X-Specify-uart2-in-the-DT.patch b/target/linux/bcm53xx/patches-5.4/034-v5.10-ARM-dts-BCM5301X-Specify-uart2-in-the-DT.patch
new file mode 100644
index 0000000000..8cee6745ee
--- /dev/null
+++ b/target/linux/bcm53xx/patches-5.4/034-v5.10-ARM-dts-BCM5301X-Specify-uart2-in-the-DT.patch
@@ -0,0 +1,30 @@
+From 5e396bb05b89e23e98e6d75749b77502e68210a4 Mon Sep 17 00:00:00 2001
+From: Christian Lamparter <chunkeey at gmail.com>
+Date: Sat, 22 Aug 2020 18:19:20 +0200
+Subject: [PATCH] ARM: dts: BCM5301X: Specify uart2 in the DT
+
+The BCM53016 in the Meraki MR32 utilizes the third "uart2"
+to connect to a on-board Bluetooth-LE 4.0 BCM20732 chip.
+
+Signed-off-by: Christian Lamparter <chunkeey at gmail.com>
+Reviewed-by: Scott Branden <scott.branden at broadcom.com>
+Signed-off-by: Florian Fainelli <f.fainelli at gmail.com>
+
+--- a/arch/arm/boot/dts/bcm5301x.dtsi
++++ b/arch/arm/boot/dts/bcm5301x.dtsi
+@@ -392,6 +392,15 @@
+ 		reg = <0x18105000 0x1000>;
+ 	};
+ 
++	uart2: serial at 18008000 {
++		compatible = "ns16550a";
++		reg = <0x18008000 0x20>;
++		clocks = <&iprocslow>;
++		interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>;
++		reg-shift = <2>;
++		status = "disabled";
++	};
++
+ 	i2c0: i2c at 18009000 {
+ 		compatible = "brcm,iproc-i2c";
+ 		reg = <0x18009000 0x50>;
diff --git a/target/linux/bcm53xx/patches-5.4/035-v5.10-ARM-dts-BCM5301X-Specify-pcie2-in-the-DT.patch b/target/linux/bcm53xx/patches-5.4/035-v5.10-ARM-dts-BCM5301X-Specify-pcie2-in-the-DT.patch
new file mode 100644
index 0000000000..d3e2fbcc9e
--- /dev/null
+++ b/target/linux/bcm53xx/patches-5.4/035-v5.10-ARM-dts-BCM5301X-Specify-pcie2-in-the-DT.patch
@@ -0,0 +1,26 @@
+From c4cd6fcae46fd14aed8665b7cf66d0954765a873 Mon Sep 17 00:00:00 2001
+From: Christian Lamparter <chunkeey at gmail.com>
+Date: Sat, 22 Aug 2020 18:19:21 +0200
+Subject: [PATCH] ARM: dts: BCM5301X: Specify pcie2 in the DT
+
+The SoC supports three pcie ports. Currently, only
+pcie0 and pcie1 are enabled. This patch adds the
+pcie2 port as well.
+
+Signed-off-by: Christian Lamparter <chunkeey at gmail.com>
+Reviewed-by: Scott Branden <scott.branden at broadcom.com>
+Signed-off-by: Florian Fainelli <f.fainelli at gmail.com>
+
+--- a/arch/arm/boot/dts/bcm5301x.dtsi
++++ b/arch/arm/boot/dts/bcm5301x.dtsi
+@@ -252,6 +252,10 @@
+ 			reg = <0x00013000 0x1000>;
+ 		};
+ 
++		pcie2: pcie at 14000 {
++			reg = <0x00014000 0x1000>;
++		};
++
+ 		usb2: usb2 at 21000 {
+ 			reg = <0x00021000 0x1000>;
+ 
diff --git a/target/linux/bcm53xx/patches-5.4/302-ARM-dts-BCM5301X-Update-Northstar-pinctrl-binding.patch b/target/linux/bcm53xx/patches-5.4/302-ARM-dts-BCM5301X-Update-Northstar-pinctrl-binding.patch
index 77bc68c8ce..1d71647d60 100644
--- a/target/linux/bcm53xx/patches-5.4/302-ARM-dts-BCM5301X-Update-Northstar-pinctrl-binding.patch
+++ b/target/linux/bcm53xx/patches-5.4/302-ARM-dts-BCM5301X-Update-Northstar-pinctrl-binding.patch
@@ -9,7 +9,7 @@ Signed-off-by: Rafał Miłecki <rafal at milecki.pl>
 
 --- a/arch/arm/boot/dts/bcm5301x.dtsi
 +++ b/arch/arm/boot/dts/bcm5301x.dtsi
-@@ -401,16 +401,12 @@
+@@ -422,16 +422,12 @@
  		#size-cells = <1>;
  
  		cru at 100 {