diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-4.19/950-0266-overlays-Add-ssd1306-overlay-for-OLED-display.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-4.19/950-0266-overlays-Add-ssd1306-overlay-for-OLED-display.patch | 104 |
1 files changed, 0 insertions, 104 deletions
diff --git a/target/linux/bcm27xx/patches-4.19/950-0266-overlays-Add-ssd1306-overlay-for-OLED-display.patch b/target/linux/bcm27xx/patches-4.19/950-0266-overlays-Add-ssd1306-overlay-for-OLED-display.patch deleted file mode 100644 index 967cc76442..0000000000 --- a/target/linux/bcm27xx/patches-4.19/950-0266-overlays-Add-ssd1306-overlay-for-OLED-display.patch +++ /dev/null @@ -1,104 +0,0 @@ -From d8eac0d3e4f6c6f9e5f789c8e2288699b2afebcb Mon Sep 17 00:00:00 2001 -From: Phil Elwell <phil@raspberrypi.org> -Date: Mon, 21 Jan 2019 21:17:27 +0000 -Subject: [PATCH] overlays: Add ssd1306 overlay for OLED display - -See: https://github.com/raspberrypi/firmware/issues/1098 - -Signed-off-by: mincepi <mincepi@gmail.com> ---- - arch/arm/boot/dts/overlays/Makefile | 1 + - arch/arm/boot/dts/overlays/README | 31 ++++++++++++++++ - .../arm/boot/dts/overlays/ssd1306-overlay.dts | 36 +++++++++++++++++++ - 3 files changed, 68 insertions(+) - create mode 100644 arch/arm/boot/dts/overlays/ssd1306-overlay.dts - ---- a/arch/arm/boot/dts/overlays/Makefile -+++ b/arch/arm/boot/dts/overlays/Makefile -@@ -135,6 +135,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \ - spi2-1cs.dtbo \ - spi2-2cs.dtbo \ - spi2-3cs.dtbo \ -+ ssd1306.dtbo \ - superaudioboard.dtbo \ - sx150x.dtbo \ - tc358743.dtbo \ ---- a/arch/arm/boot/dts/overlays/README -+++ b/arch/arm/boot/dts/overlays/README -@@ -1950,6 +1950,37 @@ Params: cs0_pin GPIO pin - is 'okay' or enabled). - - -+Name: ssd1306 -+Info: Overlay for activation of SSD1306 over I2C OLED display framebuffer. -+Load: dtoverlay=ssd1306,<param>=<val> -+Params: address Location in display memory of first character. -+ (default=0) -+ width Width of display. (default=128) -+ height Height of display. (default=64) -+ offset virtual channel a. (default=0) -+ normal Has no effect on displays tested. (default=not -+ set) -+ sequential Set this if every other scan line is missing. -+ (default=not set) -+ remapped Set this if display is garbled. (default=not -+ set) -+ inverted Set this if display is inverted and mirrored. -+ (default=not set) -+ -+ Examples: -+ Typical usage for 128x64 display: dtoverlay=ssd1306,inverted -+ -+ Typical usage for 128x32 display: dtoverlay=ssd1306,inverted,sequential -+ -+ i2c_baudrate=400000 will speed up the display. -+ -+ i2c_baudrate=1000000 seems to work even though it's not officially -+ supported by the hardware, and is faster still. -+ -+ For more information refer to the device datasheet at: -+ https://cdn-shop.adafruit.com/datasheets/SSD1306.pdf -+ -+ - Name: superaudioboard - Info: Configures the SuperAudioBoard sound card - Load: dtoverlay=superaudioboard,<param>=<val> ---- /dev/null -+++ b/arch/arm/boot/dts/overlays/ssd1306-overlay.dts -@@ -0,0 +1,36 @@ -+// Overlay for SSD1306 128x64 and 128x32 OLED displays -+/dts-v1/; -+/plugin/; -+ -+/ { -+ compatible = "brcm,bcm2718"; -+ -+ fragment@0 { -+ target = <&i2c1>; -+ __overlay__ { -+ status = "okay"; -+ -+ #address-cells = <1>; -+ #size-cells = <0>; -+ -+ ssd1306: oled@3c{ -+ compatible = "solomon,ssd1306fb-i2c"; -+ reg = <0x3c>; -+ solomon,width = <128>; -+ solomon,height = <64>; -+ solomon,page-offset = <0>; -+ }; -+ }; -+ }; -+ -+ __overrides__ { -+ address = <&ssd1306>,"reg:0"; -+ width = <&ssd1306>,"solomon,width:0"; -+ height = <&ssd1306>,"solomon,height:0"; -+ offset = <&ssd1306>,"solomon,page-offset:0"; -+ normal = <&ssd1306>,"solomon,segment-no-remap?"; -+ sequential = <&ssd1306>,"solomon,com-seq?"; -+ remapped = <&ssd1306>,"solomon,com-lrremap?"; -+ inverted = <&ssd1306>,"solomon,com-invdir?"; -+ }; -+}; |