From c56ae22db09e76db6e05d16dcc7637958ab88b1b Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Date: Fri, 28 Feb 2020 19:59:52 +0100 Subject: bcm27xx: update to latest patches from RPi foundation MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Álvaro Fernández Rojas --- ...811-overlays-Add-ssd1306-spi-overlay-3440.patch | 132 +++++++++++++++++++++ 1 file changed, 132 insertions(+) create mode 100644 target/linux/bcm27xx/patches-4.19/950-0811-overlays-Add-ssd1306-spi-overlay-3440.patch (limited to 'target/linux/bcm27xx/patches-4.19/950-0811-overlays-Add-ssd1306-spi-overlay-3440.patch') diff --git a/target/linux/bcm27xx/patches-4.19/950-0811-overlays-Add-ssd1306-spi-overlay-3440.patch b/target/linux/bcm27xx/patches-4.19/950-0811-overlays-Add-ssd1306-spi-overlay-3440.patch new file mode 100644 index 0000000000..e27893d9ac --- /dev/null +++ b/target/linux/bcm27xx/patches-4.19/950-0811-overlays-Add-ssd1306-spi-overlay-3440.patch @@ -0,0 +1,132 @@ +From db048a80e63c66607b3bd73fa641802ec83bf166 Mon Sep 17 00:00:00 2001 +From: MikeDK +Date: Fri, 31 Jan 2020 10:57:21 +0100 +Subject: [PATCH] overlays: Add ssd1306-spi overlay (#3440) + +Add an overlay for SSD1306 based OLED boards using SPI. +This will load the staging fbtft driver. + +Signed-off-by: Michael Kaplan +--- + arch/arm/boot/dts/overlays/Makefile | 1 + + arch/arm/boot/dts/overlays/README | 12 +++ + .../boot/dts/overlays/ssd1306-spi-overlay.dts | 82 +++++++++++++++++++ + 3 files changed, 95 insertions(+) + create mode 100644 arch/arm/boot/dts/overlays/ssd1306-spi-overlay.dts + +--- a/arch/arm/boot/dts/overlays/Makefile ++++ b/arch/arm/boot/dts/overlays/Makefile +@@ -168,6 +168,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \ + spi6-1cs.dtbo \ + spi6-2cs.dtbo \ + ssd1306.dtbo \ ++ ssd1306-spi.dtbo \ + superaudioboard.dtbo \ + sx150x.dtbo \ + tc358743.dtbo \ +--- a/arch/arm/boot/dts/overlays/README ++++ b/arch/arm/boot/dts/overlays/README +@@ -2428,6 +2428,18 @@ 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,= ++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: superaudioboard + Info: Configures the SuperAudioBoard sound card + Load: dtoverlay=superaudioboard,= +--- /dev/null ++++ b/arch/arm/boot/dts/overlays/ssd1306-spi-overlay.dts +@@ -0,0 +1,82 @@ ++/* ++ * 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>"; ++ reset_pin = <&ssd1306>,"reset-gpios:4>"; ++ height = <&ssd1306>,"solomon,height:0>"; ++ }; ++}; -- cgit v1.2.3