bcm27xx: add linux 5.4 support

Tested on bcm2710 (Raspberry Pi 3B).

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

1 files changed, 353 insertions, 0 deletions

diff --git a/target/linux/bcm27xx/patches-5.4/950-0428-overlays-Add-ssd1306-spi-ssh1106-spi-ssd-1351-spi.patch b/target/linux/bcm27xx/patches-5.4/950-0428-overlays-Add-ssd1306-spi-ssh1106-spi-ssd-1351-spi.patch
new file mode 100644
index 0000000000..77bf63e2e2
--- /dev/null
+++ b/target/linux/bcm27xx/patches-5.4/950-0428-overlays-Add-ssd1306-spi-ssh1106-spi-ssd-1351-spi.patch
@@ -0,0 +1,353 @@
+From fe90ee51b283f7cbbce9980b76b3da8b31d39c60 Mon Sep 17 00:00:00 2001
+From: MikeDK <m.kaplan@evva.com>
+Date: Fri, 31 Jan 2020 10:57:21 +0100
+Subject: [PATCH] overlays: Add ssd1306-spi, ssh1106-spi, ssd-1351-spi
+
+Add overlays for SSD1306, SH1106 and SSD1351 based OLED displays.
+SH1106 is present in many 1.3 inch OLEDs and SSD1351 is present in
+1.5 inch RGB OLEDs from AliExpress.
+
+This will load the staging fbtft drivers.
+
+Signed-off-by: Michael Kaplan <m.kaplan@evva.com>
+---
+ arch/arm/boot/dts/overlays/Makefile           |  3 +
+ arch/arm/boot/dts/overlays/README             | 35 ++++++++
+ .../boot/dts/overlays/sh1106-spi-overlay.dts  | 84 +++++++++++++++++++
+ .../boot/dts/overlays/ssd1306-spi-overlay.dts | 84 +++++++++++++++++++
+ .../boot/dts/overlays/ssd1351-spi-overlay.dts | 83 ++++++++++++++++++
+ 5 files changed, 289 insertions(+)
+ create mode 100644 arch/arm/boot/dts/overlays/sh1106-spi-overlay.dts
+ create mode 100644 arch/arm/boot/dts/overlays/ssd1306-spi-overlay.dts
+ create mode 100644 arch/arm/boot/dts/overlays/ssd1351-spi-overlay.dts
+
+--- a/arch/arm/boot/dts/overlays/Makefile
++++ b/arch/arm/boot/dts/overlays/Makefile
+@@ -145,6 +145,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
+ 	sdhost.dtbo \
+ 	sdio.dtbo \
+ 	sdtweak.dtbo \
++	sh1106-spi.dtbo \
+ 	smi.dtbo \
+ 	smi-dev.dtbo \
+ 	smi-nand.dtbo \
+@@ -168,6 +169,8 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
+ 	spi6-1cs.dtbo \
+ 	spi6-2cs.dtbo \
+ 	ssd1306.dtbo \
++	ssd1306-spi.dtbo \
++	ssd1351-spi.dtbo \
+ 	superaudioboard.dtbo \
+ 	sx150x.dtbo \
+ 	tc358743.dtbo \
+--- a/arch/arm/boot/dts/overlays/README
++++ b/arch/arm/boot/dts/overlays/README
+@@ -2145,6 +2145,18 @@ Params: overclock_50            Clock (i
+                                 (default on)
+ 
+ 
++Name:   sh1106-spi
++Info:   Overlay for SH1106 OLED via SPI using fbtft staging driver.
++Load:   dtoverlay=sh1106-spi,<param>=<val>
++Params: speed                   SPI bus speed (default 4000000)
++        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)
++        height                  Display height (32 or 64; default 64)
++
++
+ Name:   smi
+ Info:   Enables the Secondary Memory Interface peripheral. Uses GPIOs 2-25!
+ Load:   dtoverlay=smi
+@@ -2428,6 +2440,29 @@ Params: address                 Location
+         https://cdn-shop.adafruit.com/datasheets/SSD1306.pdf
+ 
+ 
++Name:   ssd1306-spi
++Info:   Overlay for SSD1306 OLED via SPI using fbtft staging driver.
++Load:   dtoverlay=ssd1306-spi,<param>=<val>
++Params: speed                   SPI bus speed (default 10000000)
++        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)
++        height                  Display height (32 or 64; default 64)
++
++
++Name:   ssd1351-spi
++Info:   Overlay for SSD1351 OLED via SPI using fbtft staging driver.
++Load:   dtoverlay=ssd1351-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:   superaudioboard
+ Info:   Configures the SuperAudioBoard sound card
+ Load:   dtoverlay=superaudioboard,<param>=<val>
+--- /dev/null
++++ b/arch/arm/boot/dts/overlays/sh1106-spi-overlay.dts
+@@ -0,0 +1,84 @@
++/*
++ * Device Tree overlay for SH1106 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__ {
++			sh1106_pins: sh1106_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>;
++
++			sh1106: sh1106@0{
++				compatible = "sinowealth,sh1106";
++				reg = <0>;
++				pinctrl-names = "default";
++				pinctrl-0 = <&sh1106_pins>;
++
++				spi-max-frequency = <4000000>;
++				bgr = <0>;
++				bpp = <1>;
++				rotate = <0>;
++				fps = <25>;
++				buswidth = <8>;
++				reset-gpios = <&gpio 25 0>;
++				dc-gpios = <&gpio 24 0>;
++				debug = <0>;
++
++				sinowealth,height = <64>;
++				sinowealth,width = <128>;
++				sinowealth,page-offset = <0>;
++			};
++		};
++	};
++
++	__overrides__ {
++		speed     = <&sh1106>,"spi-max-frequency:0";
++		rotate    = <&sh1106>,"rotate:0";
++		fps       = <&sh1106>,"fps:0";
++		debug     = <&sh1106>,"debug:0";
++		dc_pin    = <&sh1106>,"dc-gpios:4",
++		            <&sh1106_pins>,"brcm,pins:4";
++		reset_pin = <&sh1106>,"reset-gpios:4",
++		            <&sh1106_pins>,"brcm,pins:0";
++		height    = <&sh1106>,"sinowealth,height:0";
++	};
++};
+--- /dev/null
++++ b/arch/arm/boot/dts/overlays/ssd1306-spi-overlay.dts
+@@ -0,0 +1,84 @@
++/*
++ * Device Tree overlay for SSD1306 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__ {
++			ssd1306_pins: ssd1306_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>;
++
++			ssd1306: ssd1306@0{
++				compatible = "solomon,ssd1306";
++				reg = <0>;
++				pinctrl-names = "default";
++				pinctrl-0 = <&ssd1306_pins>;
++
++				spi-max-frequency = <10000000>;
++				bgr = <0>;
++				bpp = <1>;
++				rotate = <0>;
++				fps = <25>;
++				buswidth = <8>;
++				reset-gpios = <&gpio 25 0>;
++				dc-gpios = <&gpio 24 0>;
++				debug = <0>;
++
++				solomon,height = <64>;
++				solomon,width = <128>;
++				solomon,page-offset = <0>;
++			};
++		};
++	};
++
++	__overrides__ {
++		speed     = <&ssd1306>,"spi-max-frequency:0";
++		rotate    = <&ssd1306>,"rotate:0";
++		fps       = <&ssd1306>,"fps:0";
++		debug     = <&ssd1306>,"debug:0";
++		dc_pin    = <&ssd1306>,"dc-gpios:4",
++		            <&ssd1306_pins>,"brcm,pins:4";
++		reset_pin = <&ssd1306>,"reset-gpios:4",
++		            <&ssd1306_pins>,"brcm,pins:0";
++		height    = <&ssd1306>,"solomon,height:0";
++	};
++};
+--- /dev/null
++++ b/arch/arm/boot/dts/overlays/ssd1351-spi-overlay.dts
+@@ -0,0 +1,83 @@
++/*
++ * Device Tree overlay for SSD1351 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__ {
++			ssd1351_pins: ssd1351_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>;
++
++			ssd1351: ssd1351@0{
++				compatible = "solomon,ssd1351";
++				reg = <0>;
++				pinctrl-names = "default";
++				pinctrl-0 = <&ssd1351_pins>;
++
++				spi-max-frequency = <4500000>;
++				bgr = <0>;
++				bpp = <16>;
++				rotate = <0>;
++				fps = <25>;
++				buswidth = <8>;
++				reset-gpios = <&gpio 25 0>;
++				dc-gpios = <&gpio 24 0>;
++				debug = <0>;
++
++				solomon,height = <128>;
++				solomon,width = <128>;
++				solomon,page-offset = <0>;
++			};
++		};
++	};
++
++	__overrides__ {
++		speed     = <&ssd1351>,"spi-max-frequency:0";
++		rotate    = <&ssd1351>,"rotate:0";
++		fps       = <&ssd1351>,"fps:0";
++		debug     = <&ssd1351>,"debug:0";
++		dc_pin    = <&ssd1351>,"dc-gpios:4",
++		            <&ssd1351_pins>,"brcm,pins:4";
++		reset_pin = <&ssd1351>,"reset-gpios:4",
++		            <&ssd1351_pins>,"brcm,pins:0";
++	};
++};