bcm27xx: add support for linux v5.15

Build system: x86_64
Build-tested: bcm2708, bcm2709, bcm2710, bcm2711
Run-tested: bcm2708/RPiB+, bcm2709/RPi3B, bcm2710/RPi3B, bcm2711/RPi4B

Signed-off-by: Marty Jones <mj8263788@gmail.com>
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>

1 files changed, 172 insertions, 0 deletions

diff --git a/target/linux/bcm27xx/patches-5.15/950-0639-Add-panel-overlay-for-CutiePi.patch b/target/linux/bcm27xx/patches-5.15/950-0639-Add-panel-overlay-for-CutiePi.patch
new file mode 100644
index 0000000000..9f5b74d406
--- /dev/null
+++ b/target/linux/bcm27xx/patches-5.15/950-0639-Add-panel-overlay-for-CutiePi.patch
@@ -0,0 +1,172 @@
+From dabd32c62cb2faa42feacafc6edbe8ab4b3395cb Mon Sep 17 00:00:00 2001
+From: Penk Chen <penk@cutiepi.io>
+Date: Mon, 20 Dec 2021 03:46:26 +0900
+Subject: [PATCH] Add panel overlay for CutiePi
+
+Signed-off-by: Penk Chen <penk@cutiepi.io>
+---
+ arch/arm/boot/dts/overlays/Makefile           |   1 +
+ arch/arm/boot/dts/overlays/README             |   6 +
+ .../dts/overlays/cutiepi-panel-overlay.dts    | 117 ++++++++++++++++++
+ arch/arm/boot/dts/overlays/overlay_map.dts    |   4 +
+ 4 files changed, 128 insertions(+)
+ create mode 100644 arch/arm/boot/dts/overlays/cutiepi-panel-overlay.dts
+
+--- a/arch/arm/boot/dts/overlays/Makefile
++++ b/arch/arm/boot/dts/overlays/Makefile
+@@ -34,6 +34,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
+ 	cap1106.dtbo \
+ 	chipdip-dac.dtbo \
+ 	cma.dtbo \
++	cutiepi-panel.dtbo \
+ 	dht11.dtbo \
+ 	dionaudio-loco.dtbo \
+ 	dionaudio-loco-v2.dtbo \
+--- a/arch/arm/boot/dts/overlays/README
++++ b/arch/arm/boot/dts/overlays/README
+@@ -679,6 +679,12 @@ Params: cma-512                 CMA is 5
+         cma-default             Use upstream's default value
+ 
+ 
++Name:   cutiepi-panel
++Info:   8" TFT LCD display and touch panel used by cutiepi.io
++Load:   dtoverlay=cutiepi-panel
++Params: <None>
++
++
+ Name:   dht11
+ Info:   Overlay for the DHT11/DHT21/DHT22 humidity/temperature sensors
+         Also sometimes found with the part number(s) AM230x.
+--- /dev/null
++++ b/arch/arm/boot/dts/overlays/cutiepi-panel-overlay.dts
+@@ -0,0 +1,117 @@
++/dts-v1/;
++/plugin/;
++
++/ {
++    compatible = "brcm,bcm2711";
++
++    fragment@0 {
++        target=<&dsi1>;
++
++        __overlay__ {
++            status = "okay";
++
++            #address-cells = <1>;
++            #size-cells = <0>;
++
++            port {
++                dsi1_out_port: endpoint {
++                    remote-endpoint = <&panel_dsi_in1>;
++                };
++            };
++
++            display1: panel@0 {
++                compatible = "nwe,nwe080";
++                reg=<0>;
++                backlight = <&rpi_backlight>;
++                reset-gpios = <&gpio 20 0>;
++                port {
++                    panel_dsi_in1: endpoint {
++                        remote-endpoint = <&dsi1_out_port>;
++                    };
++                };
++            };
++        };
++    };
++
++    fragment@1 {
++        target = <&gpio>;
++        __overlay__ {
++            pwm_pins: pwm_pins {
++                brcm,pins = <12>;
++                brcm,function = <4>; // ALT0
++            };
++        };
++    };
++
++    fragment@2 {
++        target = <&pwm>;
++        frag1: __overlay__ {
++            pinctrl-names = "default";
++            pinctrl-0 = <&pwm_pins>;
++            assigned-clock-rates = <1000000>;
++            status = "okay";
++        };
++    };
++
++    fragment@3 {
++        target-path = "/";
++        __overlay__ {
++            rpi_backlight: rpi_backlight {
++                compatible = "pwm-backlight";
++                brightness-levels = <0 6 8 12 16 24 32 40 48 64 96 128 160 192 224 255>;
++                default-brightness-level = <6>;
++                pwms = <&pwm 0 200000>;
++                power-supply = <&vdd_3v3_reg>;
++                status = "okay";
++            };
++        };
++    };
++
++    fragment@4 {
++        target = <&i2c6>;
++        frag0: __overlay__ {
++            status = "okay";
++            pinctrl-names = "default";
++            pinctrl-0 = <&i2c6_pins>;
++            clock-frequency = <100000>;
++        };
++    };
++
++    fragment@5 {
++        target = <&i2c6_pins>;
++        __overlay__ {
++            brcm,pins = <22 23>;
++        };
++    };
++
++    fragment@6 {
++            target = <&gpio>;
++            __overlay__ {
++                goodix_pins: goodix_pins {
++                    brcm,pins = <21 26>; // interrupt and reset
++                    brcm,function = <0 0>; // in
++                    brcm,pull = <2 2>; // pull-up
++                };
++            };
++    };
++
++    fragment@7 {
++        target = <&i2c6>;
++        __overlay__ {
++            #address-cells = <1>;
++            #size-cells = <0>;
++            status = "okay";
++
++            gt9xx: gt9xx@5d {
++                compatible = "goodix,gt9271"; 
++                reg = <0x5D>;
++                pinctrl-names = "default";
++                pinctrl-0 = <&goodix_pins>;
++                interrupt-parent = <&gpio>;
++                interrupts = <21 2>; // high-to-low edge triggered
++                irq-gpios = <&gpio 21 0>; 
++                reset-gpios = <&gpio 26 0>;
++            };
++        };
++    };
++};
+--- a/arch/arm/boot/dts/overlays/overlay_map.dts
++++ b/arch/arm/boot/dts/overlays/overlay_map.dts
+@@ -5,6 +5,10 @@
+ 		deprecated = "use i2c-sensor,bmp085";
+ 	};
+ 
++	cutiepi-panel {
++		bcm2711;
++	};
++
+ 	highperi {
+ 		bcm2711;
+ 	};