bcm27xx: add kernel 5.10 support

Rebased RPi foundation patches on linux 5.10.59, removed applied and reverted
patches, wireless patches and defconfig patches.

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

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

1 files changed, 153 insertions, 0 deletions

diff --git a/target/linux/bcm27xx/patches-5.10/950-0488-DAC-overlays-4154.patch b/target/linux/bcm27xx/patches-5.10/950-0488-DAC-overlays-4154.patch
new file mode 100644
index 0000000000..31509d9225
--- /dev/null
+++ b/target/linux/bcm27xx/patches-5.10/950-0488-DAC-overlays-4154.patch
@@ -0,0 +1,153 @@
+From 58e6a45fb77833acc3fdaf0460ed3407f22dee63 Mon Sep 17 00:00:00 2001
+From: pifi-bz <73530753+pifi-bz@users.noreply.github.com>
+Date: Fri, 19 Feb 2021 13:14:32 +0200
+Subject: [PATCH] DAC overlays  (#4154)
+
+Adding overlays for PiFi DAC Zero and PiFi DAC HD.
+
+Signed-off-by: David Knell <david.knell@gmail.com>
+---
+ arch/arm/boot/dts/overlays/Makefile           |  2 +
+ arch/arm/boot/dts/overlays/README             | 12 +++++
+ .../boot/dts/overlays/pifi-dac-hd-overlay.dts | 49 +++++++++++++++++++
+ .../dts/overlays/pifi-dac-zero-overlay.dts    | 49 +++++++++++++++++++
+ 4 files changed, 112 insertions(+)
+ create mode 100644 arch/arm/boot/dts/overlays/pifi-dac-hd-overlay.dts
+ create mode 100644 arch/arm/boot/dts/overlays/pifi-dac-zero-overlay.dts
+
+--- a/arch/arm/boot/dts/overlays/Makefile
++++ b/arch/arm/boot/dts/overlays/Makefile
+@@ -130,6 +130,8 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
+ 	pibell.dtbo \
+ 	pifacedigital.dtbo \
+ 	pifi-40.dtbo \
++	pifi-dac-hd.dtbo \
++	pifi-dac-zero.dtbo \
+ 	pifi-mini-210.dtbo \
+ 	piglow.dtbo \
+ 	piscreen.dtbo \
+--- a/arch/arm/boot/dts/overlays/README
++++ b/arch/arm/boot/dts/overlays/README
+@@ -2131,6 +2131,18 @@ Load:   dtoverlay=pifi-40
+ Params: <None>
+ 
+ 
++Name:   pifi-dac-hd
++Info:   Configures the PiFi DAC HD
++Load:   dtoverlay=pifi-dac-hd
++Params: <None>
++
++
++Name:   pifi-dac-zero
++Info:   Configures the PiFi DAC Zero
++Load:   dtoverlay=pifi-dac-zero
++Params: <None>
++
++
+ Name:   pifi-mini-210
+ Info:   Configures the PiFi Mini stereo amplifier
+ Load:   dtoverlay=pifi-mini-210
+--- /dev/null
++++ b/arch/arm/boot/dts/overlays/pifi-dac-hd-overlay.dts
+@@ -0,0 +1,49 @@
++// Overlay for PiFi-DAC-HD
++/dts-v1/;
++/plugin/;
++
++/ {
++	compatible = "brcm,bcm2835";
++
++	fragment@0 {
++		target = <&i2s>;
++		__overlay__ {
++			status = "okay";
++		};
++	};
++
++	fragment@1 {
++		target = <&i2c1>;
++		__overlay__ {
++			status = "okay";
++			#address-cells = <1>;
++			#size-cells =<0>;
++
++			pcm5142: pcm5142@4c {
++				#sound-dai-cells = <0>;
++				compatible = "ti,pcm5142";
++				reg = <0x4c>;
++				status = "okay";
++			};
++		};
++	};
++
++	fragment@2 {
++		target = <&sound>;
++		__overlay__ {
++			compatible = "simple-audio-card";
++			simple-audio-card,name = "PiFi-DAC-HD";
++			status = "okay";
++
++			simple-audio-card,dai-link@1 {
++				format = "i2s";
++				cpu {
++					sound-dai = <&i2s>;
++				};
++				codec {
++					sound-dai = <&pcm5142>;
++				};
++			};
++		};
++	};
++};
+--- /dev/null
++++ b/arch/arm/boot/dts/overlays/pifi-dac-zero-overlay.dts
+@@ -0,0 +1,49 @@
++// Overlay for PiFi-DAC-Zero
++/dts-v1/;
++/plugin/;
++
++/ {
++	compatible = "brcm,bcm2835";
++
++	fragment@0 {
++		target = <&sound>;
++		__overlay__ {
++			compatible = "simple-audio-card";
++			simple-audio-card,name = "PiFi-DAC-Zero";
++			status = "okay";
++
++			simple-audio-card,dai-link@1 {
++				format = "i2s";
++
++				cpu {
++					sound-dai = <&i2s>;
++					dai-tdm-slot-num = <2>;
++					dai-tdm-slot-width = <32>;
++				};
++
++				codec {
++					sound-dai = <&codec_out>;
++				};
++			};
++		};
++	};
++
++	fragment@1 {
++		target-path = "/";
++		__overlay__ {
++			codec_out: pcm5102a-codec {
++				#sound-dai-cells = <0>;
++				compatible = "ti,pcm5102a";
++				status = "okay";
++			};
++		};
++	};
++
++	fragment@2 {
++		target = <&i2s>;
++		__overlay__ {
++			#sound-dai-cells = <0>;
++			status = "okay";
++		};
++	};
++};