diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.10/950-0625-overlays-Add-ssd1331-spi-support-for-OLED-screen.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.10/950-0625-overlays-Add-ssd1331-spi-support-for-OLED-screen.patch | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.10/950-0625-overlays-Add-ssd1331-spi-support-for-OLED-screen.patch b/target/linux/bcm27xx/patches-5.10/950-0625-overlays-Add-ssd1331-spi-support-for-OLED-screen.patch new file mode 100644 index 0000000000..e04a725cc3 --- /dev/null +++ b/target/linux/bcm27xx/patches-5.10/950-0625-overlays-Add-ssd1331-spi-support-for-OLED-screen.patch @@ -0,0 +1,129 @@ +From 32a85be60c722eff17ccade5d3e12971aad15f61 Mon Sep 17 00:00:00 2001 +From: Alex Kurichenko <oleksandr.kurichenko@deluxe.com> +Date: Tue, 1 Jun 2021 01:53:47 +0300 +Subject: [PATCH] overlays: Add ssd1331-spi support for OLED screen + +Signed-off-by: Alex Kurichenko <oleksandr.kurichenko@deluxe.com> +--- + arch/arm/boot/dts/overlays/Makefile | 1 + + arch/arm/boot/dts/overlays/README | 11 +++ + .../boot/dts/overlays/ssd1331-spi-overlay.dts | 83 +++++++++++++++++++ + 3 files changed, 95 insertions(+) + create mode 100644 arch/arm/boot/dts/overlays/ssd1331-spi-overlay.dts + +--- a/arch/arm/boot/dts/overlays/Makefile ++++ b/arch/arm/boot/dts/overlays/Makefile +@@ -196,6 +196,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \ + spi6-2cs.dtbo \ + ssd1306.dtbo \ + ssd1306-spi.dtbo \ ++ ssd1331-spi.dtbo \ + ssd1351-spi.dtbo \ + superaudioboard.dtbo \ + sx150x.dtbo \ +--- a/arch/arm/boot/dts/overlays/README ++++ b/arch/arm/boot/dts/overlays/README +@@ -3015,6 +3015,17 @@ Params: speed SPI bus + height Display height (32 or 64; default 64) + + ++Name: ssd1331-spi ++Info: Overlay for SSD1331 OLED via SPI using fbtft staging driver. ++Load: dtoverlay=ssd1331-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: ssd1351-spi + Info: Overlay for SSD1351 OLED via SPI using fbtft staging driver. + Load: dtoverlay=ssd1351-spi,<param>=<val> +--- /dev/null ++++ b/arch/arm/boot/dts/overlays/ssd1331-spi-overlay.dts +@@ -0,0 +1,83 @@ ++/* ++ * Device Tree overlay for SSD1331 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__ { ++ ssd1331_pins: ssd1331_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>; ++ ++ ssd1331: ssd1331@0{ ++ compatible = "solomon,ssd1331"; ++ reg = <0>; ++ pinctrl-names = "default"; ++ pinctrl-0 = <&ssd1331_pins>; ++ ++ spi-max-frequency = <4500000>; ++ bgr = <0>; ++ bpp = <16>; ++ rotate = <0>; ++ fps = <25>; ++ buswidth = <8>; ++ reset-gpios = <&gpio 25 1>; ++ dc-gpios = <&gpio 24 0>; ++ debug = <0>; ++ ++ solomon,height = <64>; ++ solomon,width = <96>; ++ solomon,page-offset = <0>; ++ }; ++ }; ++ }; ++ ++ __overrides__ { ++ speed = <&ssd1331>,"spi-max-frequency:0"; ++ rotate = <&ssd1331>,"rotate:0"; ++ fps = <&ssd1331>,"fps:0"; ++ debug = <&ssd1331>,"debug:0"; ++ dc_pin = <&ssd1331>,"dc-gpios:4", ++ <&ssd1331_pins>,"brcm,pins:4"; ++ reset_pin = <&ssd1331>,"reset-gpios:4", ++ <&ssd1331_pins>,"brcm,pins:0"; ++ }; ++}; |