bcm27xx: import latest patches from the RPi foundation

bcm2708: boot tested on RPi B+ v1.2
bcm2709: boot tested on RPi 3B v1.2 and RPi 4B v1.1 4G
bcm2710: boot tested on RPi 3B v1.2
bcm2711: boot tested on RPi 4B v1.1 4G

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
(cherry-picked from commit f07e572f64)

1 files changed, 38 insertions, 0 deletions

diff --git a/target/linux/bcm27xx/patches-5.4/950-0900-dt-bindings-bcm2835-unicam-Update-documentation-with.patch b/target/linux/bcm27xx/patches-5.4/950-0900-dt-bindings-bcm2835-unicam-Update-documentation-with.patch
new file mode 100644
index 0000000000..c8b53d6955
--- /dev/null
+++ b/target/linux/bcm27xx/patches-5.4/950-0900-dt-bindings-bcm2835-unicam-Update-documentation-with.patch
@@ -0,0 +1,38 @@
+From f747c5b5f35490ff177b8327ff1f7299f7d0bf4a Mon Sep 17 00:00:00 2001
+From: Naushir Patuck <naush@raspberrypi.com>
+Date: Mon, 11 May 2020 13:06:27 +0100
+Subject: [PATCH] dt-bindings: bcm2835-unicam: Update documentation
+ with new clock params
+
+Update the documentation to reflect the new "VPU" clock needed
+by the bcm2835-unicam driver.
+
+Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
+---
+ .../devicetree/bindings/media/bcm2835-unicam.txt          | 8 ++++----
+ 1 file changed, 4 insertions(+), 4 deletions(-)
+
+--- a/Documentation/devicetree/bindings/media/bcm2835-unicam.txt
++++ b/Documentation/devicetree/bindings/media/bcm2835-unicam.txt
+@@ -20,7 +20,7 @@ Required properties:
+ - interrupts	: should contain the IRQ line for this Unicam instance.
+ - clocks	: list of clock specifiers, corresponding to entries in
+ 		  clock-names property.
+-- clock-names	: must contain an "lp" entry, matching entries in the
++- clock-names	: must contain "lp" and "vpu" entries, matching entries in the
+ 		  clocks property.
+ 
+ Unicam supports a single port node. It should contain one 'port' child node
+@@ -46,9 +46,9 @@ Example:
+ 		reg = <0x7e801000 0x800>,
+ 		      <0x7e802004 0x4>;
+ 		interrupts = <2 7>;
+-		clocks = <&clocks BCM2835_CLOCK_CAM1>;
+-		clock-names = "lp";
+-
++		clocks = <&clocks BCM2835_CLOCK_CAM1>,
++			 <&firmware_clocks 4>;
++		clock-names = "lp", "vpu";
+ 		port {
+ 			csi1_ep: endpoint {
+ 				remote-endpoint = <&tc358743_0>;