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, 163 insertions, 0 deletions

diff --git a/target/linux/bcm27xx/patches-5.10/950-0651-overlays-Add-dpi18cpadhi-vc4-kms-dpi-at056tn53v1.patch b/target/linux/bcm27xx/patches-5.10/950-0651-overlays-Add-dpi18cpadhi-vc4-kms-dpi-at056tn53v1.patch
new file mode 100644
index 0000000000..30e0c60d04
--- /dev/null
+++ b/target/linux/bcm27xx/patches-5.10/950-0651-overlays-Add-dpi18cpadhi-vc4-kms-dpi-at056tn53v1.patch
@@ -0,0 +1,163 @@
+From 5f7c6159c8bfa019b3d8d0fd7af930187f29dbad Mon Sep 17 00:00:00 2001
+From: Joerg Quinten <aBUGSworstnightmare@gmail.com>
+Date: Mon, 21 Jun 2021 16:10:32 +0200
+Subject: [PATCH] overlays: Add dpi18cpadhi, vc4-kms-dpi-at056tn53v1
+
+Signed-off-by: Joerg Quinten <aBUGSworstnightmare@gmail.com>
+---
+ arch/arm/boot/dts/bcm270x.dtsi                | 13 ++++++
+ arch/arm/boot/dts/overlays/Makefile           |  2 +
+ arch/arm/boot/dts/overlays/README             | 15 +++++++
+ .../boot/dts/overlays/dpi18cpadhi-overlay.dts | 26 +++++++++++
+ .../vc4-kms-dpi-at056tn53v1-overlay.dts       | 44 +++++++++++++++++++
+ 5 files changed, 100 insertions(+)
+ create mode 100644 arch/arm/boot/dts/overlays/dpi18cpadhi-overlay.dts
+ create mode 100644 arch/arm/boot/dts/overlays/vc4-kms-dpi-at056tn53v1-overlay.dts
+
+--- a/arch/arm/boot/dts/bcm270x.dtsi
++++ b/arch/arm/boot/dts/bcm270x.dtsi
+@@ -164,6 +164,19 @@
+ &gpio {
+ 	interrupts = <2 17>, <2 18>;
+ 
++	dpi_18bit_cpadhi_gpio0: dpi_18bit_cpadhi_gpio0 {
++		brcm,pins = <0 1 2 3 4 5 6 7 8 9
++			     12 13 14 15 16 17
++			     20 21 22 23 24 25>;
++		brcm,function = <BCM2835_FSEL_ALT2>;
++		brcm,pull = <0>; /* no pull */
++	};
++	dpi_18bit_cpadhi_gpio2: dpi_18bit_cpadhi_gpio2 {
++		brcm,pins = <2 3 4 5 6 7 8 9
++			     12 13 14 15 16 17
++			     20 21 22 23 24 25>;
++		brcm,function = <BCM2835_FSEL_ALT2>;
++	};
+ 	dpi_18bit_gpio0: dpi_18bit_gpio0 {
+ 		brcm,pins = <0 1 2 3 4 5 6 7 8 9 10 11
+ 			     12 13 14 15 16 17 18 19
+--- a/arch/arm/boot/dts/overlays/Makefile
++++ b/arch/arm/boot/dts/overlays/Makefile
+@@ -37,6 +37,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
+ 	disable-bt.dtbo \
+ 	disable-wifi.dtbo \
+ 	dpi18.dtbo \
++	dpi18cpadhi.dtbo \
+ 	dpi24.dtbo \
+ 	draws.dtbo \
+ 	dwc-otg.dtbo \
+@@ -215,6 +216,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
+ 	upstream.dtbo \
+ 	upstream-pi4.dtbo \
+ 	vc4-fkms-v3d.dtbo \
++	vc4-kms-dpi-at056tn53v1.dtbo \
+ 	vc4-kms-dsi-7inch.dtbo \
+ 	vc4-kms-dsi-lt070me05000.dtbo \
+ 	vc4-kms-dsi-lt070me05000-v2.dtbo \
+--- a/arch/arm/boot/dts/overlays/README
++++ b/arch/arm/boot/dts/overlays/README
+@@ -695,6 +695,14 @@ Load:   dtoverlay=dpi18
+ Params: <None>
+ 
+ 
++Name:   dpi18cpadhi
++Info:   Overlay for a generic 18-bit DPI display (in 'mode 6' connection scheme)
++        This uses GPIOs 0-9,12-17,20-25 (so no I2C, uart etc.), and activates
++        the output 3-3 seconds after the kernel has started.
++Load:   dtoverlay=dpi18cpadhi
++Params: <None>
++
++
+ Name:   dpi24
+ Info:   Overlay for a generic 24-bit DPI display
+         This uses GPIOs 0-27 (so no I2C, uart etc.), and activates the output
+@@ -3219,6 +3227,13 @@ Params: cma-512                 CMA is 5
+         cma-default             Use upstream's default value
+ 
+ 
++Name:   vc4-kms-dpi-at056tn53v1
++Info:   Enable an Innolux 5.6in VGA TFT connected to DPI interface under KMS.
++        Requires vc4-kms-v3d to be loaded.
++Load:   dtoverlay=vc4-kms-dpi-at056tn53v1
++Params: <None>
++
++
+ Name:   vc4-kms-dsi-7inch
+ Info:   Enable the Raspberry Pi DSI 7" screen.
+         Use edt-ft5406 for the touchscreen element.
+--- /dev/null
++++ b/arch/arm/boot/dts/overlays/dpi18cpadhi-overlay.dts
+@@ -0,0 +1,26 @@
++/*
++ * dpi18cpadhi-overlay.dts
++ */
++
++/dts-v1/;
++/plugin/;
++
++/{
++	compatible = "brcm,bcm2835";
++
++	fragment@0 {
++		target = <&fb>;
++		__overlay__ {
++			pinctrl-names = "default";
++			pinctrl-0 = <&dpi_18bit_cpadhi_gpio0>;
++		};
++	};
++
++	fragment@1 {
++		target = <&vc4>;
++		__overlay__ {
++			pinctrl-names = "default";
++			pinctrl-0 = <&dpi_18bit_cpadhi_gpio0>;
++		};
++	};
++};
+--- /dev/null
++++ b/arch/arm/boot/dts/overlays/vc4-kms-dpi-at056tn53v1-overlay.dts
+@@ -0,0 +1,44 @@
++/*
++ * vc4-kms-dpi-at056tn53v1-overlay.dts
++ */
++
++/dts-v1/;
++/plugin/;
++
++#include <dt-bindings/gpio/gpio.h>
++#include <dt-bindings/pinctrl/bcm2835.h>
++
++/ {
++	compatible = "brcm,bcm2835";
++
++	fragment@0 {
++		target-path = "/";
++		__overlay__ {
++			panel: panel {
++				compatible = "innolux,at056tn53v1", "simple-panel";
++
++				port {
++					panel_in: endpoint {
++						remote-endpoint = <&dpi_out>;
++					};
++				};
++			};
++		};
++	};
++
++	fragment@1 {
++		target = <&dpi>;
++		__overlay__  {
++			status = "okay";
++
++			pinctrl-names = "default";
++			pinctrl-0 = <&dpi_18bit_cpadhi_gpio0>;
++
++			port {
++				dpi_out: endpoint {
++					remote-endpoint = <&panel_in>;
++				};
++			};
++		};
++	};
++};