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, 129 insertions, 0 deletions

diff --git a/target/linux/bcm27xx/patches-5.10/950-0625-overlays-Add-ssd1331-spi-support-for-OLED-screen.patch b/target/linux/bcm27xx/patches-5.10/950-0625-overlays-Add-ssd1331-spi-support-for-OLED-screen.patch
new file mode 100644
index 0000000000..e04a725cc3
--- /dev/null
+++ b/target/linux/bcm27xx/patches-5.10/950-0625-overlays-Add-ssd1331-spi-support-for-OLED-screen.patch
@@ -0,0 +1,129 @@
+From 32a85be60c722eff17ccade5d3e12971aad15f61 Mon Sep 17 00:00:00 2001
+From: Alex Kurichenko <oleksandr.kurichenko@deluxe.com>
+Date: Tue, 1 Jun 2021 01:53:47 +0300
+Subject: [PATCH] overlays: Add ssd1331-spi support for OLED screen
+
+Signed-off-by: Alex Kurichenko <oleksandr.kurichenko@deluxe.com>
+---
+ arch/arm/boot/dts/overlays/Makefile           |  1 +
+ arch/arm/boot/dts/overlays/README             | 11 +++
+ .../boot/dts/overlays/ssd1331-spi-overlay.dts | 83 +++++++++++++++++++
+ 3 files changed, 95 insertions(+)
+ create mode 100644 arch/arm/boot/dts/overlays/ssd1331-spi-overlay.dts
+
+--- a/arch/arm/boot/dts/overlays/Makefile
++++ b/arch/arm/boot/dts/overlays/Makefile
+@@ -196,6 +196,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
+ 	spi6-2cs.dtbo \
+ 	ssd1306.dtbo \
+ 	ssd1306-spi.dtbo \
++	ssd1331-spi.dtbo \
+ 	ssd1351-spi.dtbo \
+ 	superaudioboard.dtbo \
+ 	sx150x.dtbo \
+--- a/arch/arm/boot/dts/overlays/README
++++ b/arch/arm/boot/dts/overlays/README
+@@ -3015,6 +3015,17 @@ Params: speed                   SPI bus
+         height                  Display height (32 or 64; default 64)
+ 
+ 
++Name:   ssd1331-spi
++Info:   Overlay for SSD1331 OLED via SPI using fbtft staging driver.
++Load:   dtoverlay=ssd1331-spi,<param>=<val>
++Params: speed                   SPI bus speed (default 4500000)
++        rotate                  Display rotation (0, 90, 180 or 270; default 0)
++        fps                     Delay between frame updates (default 25)
++        debug                   Debug output level (0-7; default 0)
++        dc_pin                  GPIO pin for D/C (default 24)
++        reset_pin               GPIO pin for RESET (default 25)
++
++
+ Name:   ssd1351-spi
+ Info:   Overlay for SSD1351 OLED via SPI using fbtft staging driver.
+ Load:   dtoverlay=ssd1351-spi,<param>=<val>
+--- /dev/null
++++ b/arch/arm/boot/dts/overlays/ssd1331-spi-overlay.dts
+@@ -0,0 +1,83 @@
++/*
++ * Device Tree overlay for SSD1331 based SPI OLED display
++ *
++ */
++
++/dts-v1/;
++/plugin/;
++
++/ {
++        compatible = "brcm,bcm2835";
++
++        fragment@0 {
++                target = <&spi0>;
++                __overlay__ {
++                        status = "okay";
++                };
++        };
++
++        fragment@1 {
++                target = <&spidev0>;
++                __overlay__ {
++                        status = "disabled";
++                };
++        };
++
++        fragment@2 {
++                target = <&spidev1>;
++                __overlay__ {
++                        status = "disabled";
++                };
++        };
++
++        fragment@3 {
++                target = <&gpio>;
++                __overlay__ {
++                        ssd1331_pins: ssd1331_pins {
++                                brcm,pins = <25 24>;
++                                brcm,function = <1 1>; /* out out */
++                        };
++                };
++        };
++
++        fragment@4 {
++                target = <&spi0>;
++                __overlay__ {
++                        /* needed to avoid dtc warning */
++                        #address-cells = <1>;
++                        #size-cells = <0>;
++
++                        ssd1331: ssd1331@0{
++                                compatible = "solomon,ssd1331";
++                                reg = <0>;
++                                pinctrl-names = "default";
++                                pinctrl-0 = <&ssd1331_pins>;
++
++                                spi-max-frequency = <4500000>;
++                                bgr = <0>;
++                                bpp = <16>;
++                                rotate = <0>;
++                                fps = <25>;
++                                buswidth = <8>;
++                                reset-gpios = <&gpio 25 1>;
++                                dc-gpios = <&gpio 24 0>;
++                                debug = <0>;
++
++                                solomon,height = <64>;
++                                solomon,width = <96>;
++                                solomon,page-offset = <0>;
++                        };
++                };
++        };
++
++        __overrides__ {
++                speed     = <&ssd1331>,"spi-max-frequency:0";
++                rotate    = <&ssd1331>,"rotate:0";
++                fps       = <&ssd1331>,"fps:0";
++                debug     = <&ssd1331>,"debug:0";
++                dc_pin    = <&ssd1331>,"dc-gpios:4",
++                            <&ssd1331_pins>,"brcm,pins:4";
++                reset_pin = <&ssd1331>,"reset-gpios:4",
++                            <&ssd1331_pins>,"brcm,pins:0";
++        };
++};