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, 100 insertions, 0 deletions

diff --git a/target/linux/bcm27xx/patches-5.10/950-0518-overlays-Add-minipitft13-overlay.patch b/target/linux/bcm27xx/patches-5.10/950-0518-overlays-Add-minipitft13-overlay.patch
new file mode 100644
index 0000000000..35405ee137
--- /dev/null
+++ b/target/linux/bcm27xx/patches-5.10/950-0518-overlays-Add-minipitft13-overlay.patch
@@ -0,0 +1,100 @@
+From 6c6596610381249719e87e324a9689cabc2a7cd8 Mon Sep 17 00:00:00 2001
+From: Phil Elwell <phil@raspberrypi.com>
+Date: Thu, 18 Feb 2021 21:05:44 +0000
+Subject: [PATCH] overlays: Add minipitft13 overlay
+
+minipitft13 is an overlay for the Adafruit 1.3" 240x240 display
+(code 4484).
+
+See: https://github.com/raspberrypi/firmware/issues/1524
+
+Signed-off-by: Phil Elwell <phil@raspberrypi.com>
+---
+ arch/arm/boot/dts/overlays/Makefile           |  1 +
+ .../boot/dts/overlays/minipitft13-overlay.dts | 70 +++++++++++++++++++
+ 2 files changed, 71 insertions(+)
+ create mode 100644 arch/arm/boot/dts/overlays/minipitft13-overlay.dts
+
+--- a/arch/arm/boot/dts/overlays/Makefile
++++ b/arch/arm/boot/dts/overlays/Makefile
+@@ -119,6 +119,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
+ 	merus-amp.dtbo \
+ 	midi-uart0.dtbo \
+ 	midi-uart1.dtbo \
++	minipitft13.dtbo \
+ 	miniuart-bt.dtbo \
+ 	mmc.dtbo \
+ 	mpu6050.dtbo \
+--- /dev/null
++++ b/arch/arm/boot/dts/overlays/minipitft13-overlay.dts
+@@ -0,0 +1,70 @@
++/*
++ * Device Tree overlay for Adafruit Mini PiTFT 1.3" and 1.5" 240x240 Display
++ *
++ */
++
++/dts-v1/;
++/plugin/;
++
++/ {
++        compatible = "brcm,bcm2835";
++
++        fragment@0 {
++                target = <&spi0>;
++                __overlay__ {
++                        status = "okay";
++
++                        spidev@0{
++                                status = "disabled";
++                        };
++
++                        spidev@1{
++                                status = "disabled";
++                        };
++                };
++        };
++
++        fragment@1 {
++                target = <&gpio>;
++                __overlay__ {
++                        pitft_pins: pitft_pins {
++                                brcm,pins = <25>;
++                                brcm,function = <1>; /* out */
++                                brcm,pull = <0>; /* none */
++                        };
++                };
++        };
++
++        fragment@2 {
++                target = <&spi0>;
++                __overlay__ {
++                        /* needed to avoid dtc warning */
++                        #address-cells = <1>;
++                        #size-cells = <0>;
++
++                        pitft: pitft@0 {
++                                compatible = "fbtft,minipitft13";
++                                reg = <0>;
++                                pinctrl-names = "default";
++                                pinctrl-0 = <&pitft_pins>;
++                                spi-max-frequency = <32000000>;
++                                rotate = <0>;
++                                width = <240>;
++                                height = <240>;
++                                buswidth = <8>;
++                                dc-gpios = <&gpio 25 0>;
++                                led-gpios = <&gpio 26 0>;
++                                debug = <0>;
++                        };
++                };
++        };
++
++        __overrides__ {
++                speed =   <&pitft>,"spi-max-frequency:0";
++                rotate =  <&pitft>,"rotate:0";
++                width =   <&pitft>,"width:0";
++                height =  <&pitft>,"height:0";
++                fps =     <&pitft>,"fps:0";
++                debug =   <&pitft>,"debug:0";
++        };
++};