bcm27xx: update to latest patches from RPi foundation

Also removes random module and switches to new bcm2711 thermal driver.
Boot tested on RPi 4B v1.1 4G.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>

1 files changed, 102 insertions, 0 deletions

diff --git a/target/linux/bcm27xx/patches-5.4/950-0509-dtoverlays-Add-overlay-to-enable-the-HEVC-V4L2-drive.patch b/target/linux/bcm27xx/patches-5.4/950-0509-dtoverlays-Add-overlay-to-enable-the-HEVC-V4L2-drive.patch
new file mode 100644
index 0000000000..ee92ada02f
--- /dev/null
+++ b/target/linux/bcm27xx/patches-5.4/950-0509-dtoverlays-Add-overlay-to-enable-the-HEVC-V4L2-drive.patch
@@ -0,0 +1,102 @@
+From b1d6499e00b6061ecc7061335199acf86f54d31a Mon Sep 17 00:00:00 2001
+From: Dave Stevenson <dave.stevenson@raspberrypi.com>
+Date: Fri, 13 Mar 2020 16:52:55 +0000
+Subject: [PATCH] dtoverlays: Add overlay to enable the HEVC V4L2
+ driver
+
+This replaces the rpivid_mem register mapping driver.
+When the driver is complete, these DT changes should be
+merged into the base DT instead of being an overlay.
+
+Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
+---
+ arch/arm/boot/dts/overlays/Makefile           |  1 +
+ arch/arm/boot/dts/overlays/README             |  7 +++
+ .../boot/dts/overlays/rpivid-v4l2-overlay.dts | 55 +++++++++++++++++++
+ 4 files changed, 63 insertions(+), 2 deletions(-)
+ create mode 100644 arch/arm/boot/dts/overlays/rpivid-v4l2-overlay.dts
+
+--- a/arch/arm/boot/dts/overlays/Makefile
++++ b/arch/arm/boot/dts/overlays/Makefile
+@@ -140,6 +140,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
+ 	rpi-proto.dtbo \
+ 	rpi-sense.dtbo \
+ 	rpi-tv.dtbo \
++	rpivid-v4l2.dtbo \
+ 	rra-digidac1-wm8741-audio.dtbo \
+ 	sc16is750-i2c.dtbo \
+ 	sc16is752-i2c.dtbo \
+--- a/arch/arm/boot/dts/overlays/README
++++ b/arch/arm/boot/dts/overlays/README
+@@ -2064,6 +2064,13 @@ Load:   dtoverlay=rpi-tv
+ Params: <None>
+ 
+ 
++Name:   rpivid-v4l2
++Info:   Load the V4L2 stateless video decoder driver for the HEVC block,
++        disabling the memory mapped devices in the process.
++Load:   dtoverlay=rpivid-v4l2
++Params: <None>
++
++
+ Name:   rra-digidac1-wm8741-audio
+ Info:   Configures the Red Rocks Audio DigiDAC1 soundcard
+ Load:   dtoverlay=rra-digidac1-wm8741-audio
+--- /dev/null
++++ b/arch/arm/boot/dts/overlays/rpivid-v4l2-overlay.dts
+@@ -0,0 +1,55 @@
++// SPDX-License-Identifier: GPL-2.0-only
++// Definitions for Raspberry Pi video decode engine
++/dts-v1/;
++/plugin/;
++
++#include <dt-bindings/interrupt-controller/arm-gic.h>
++
++/{
++	compatible = "brcm,bcm2711";
++
++	fragment@0 {
++		target = <&scb>;
++		__overlay__ {
++			/* needed to avoid dtc warning */
++			#address-cells = <2>;
++			#size-cells = <1>;
++			codec@7eb10000 {
++				compatible = "raspberrypi,rpivid-vid-decoder";
++				reg = <0x0 0x7eb10000 0x1000>,	/* INTC */
++				      <0x0 0x7eb00000 0x10000>; /* HEVC */
++				reg-names = "intc",
++					    "hevc";
++
++				interrupts = <GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH>;
++
++				clocks = <&hevc_clk>;
++				clock-names = "hevc";
++
++				hevc_clk: hevc_clk {
++					compatible = "fixed-clock";
++					#clock-cells = <0>;
++					clock-frequency = <500000000>;
++				};
++			};
++		};
++	};
++
++	fragment@1 {
++		target = <&scb>;
++		__overlay__ {
++			hevc-decoder@7eb00000 {
++				status = "disabled";
++			};
++			rpivid-local-intc@7eb10000 {
++				status = "disabled";
++			};
++			h264-decoder@7eb20000 {
++				status = "disabled";
++			};
++			vp9-decoder@7eb30000 {
++				status = "disabled";
++			};
++		};
++	};
++};