| From 2f44861e2a2d651a9aa62a75343a032fee33e93b Mon Sep 17 00:00:00 2001 |
| From: =?UTF-8?q?Petter=20Mab=C3=A4cker?= <petter@technux.se> |
| Date: Fri, 8 Jan 2016 09:02:44 +0100 |
| Subject: [PATCH] dts: add overlay for pitft22 in linux 3.18 |
| MIME-Version: 1.0 |
| Content-Type: text/plain; charset=UTF-8 |
| Content-Transfer-Encoding: 8bit |
| |
| Upstream-Status: Pending |
| |
| Add the pitft22 overlay from adafruit Adafruit-Pi-Kernel-o-Matic repo: |
| https://github.com/adafruit/Adafruit-Pi-Kernel-o-Matic |
| |
| Signed-off-by: Petter Mabรคcker <petter@technux.se> |
| --- |
| arch/arm/boot/dts/overlays/Makefile | 1 + |
| arch/arm/boot/dts/overlays/pitft22-overlay.dts | 69 ++++++++++++++++++++++++++ |
| 2 files changed, 70 insertions(+) |
| create mode 100755 arch/arm/boot/dts/overlays/pitft22-overlay.dts |
| |
| diff --git a/arch/arm/boot/dts/overlays/Makefile b/arch/arm/boot/dts/overlays/Makefile |
| index c766616..1eaaf81 100644 |
| --- a/arch/arm/boot/dts/overlays/Makefile |
| +++ b/arch/arm/boot/dts/overlays/Makefile |
| @@ -27,6 +27,7 @@ dtb-$(RPI_DT_OVERLAYS) += mcp2515-can0-overlay.dtb |
| dtb-$(RPI_DT_OVERLAYS) += mmc-overlay.dtb |
| dtb-$(RPI_DT_OVERLAYS) += mz61581-overlay.dtb |
| dtb-$(RPI_DT_OVERLAYS) += piscreen-overlay.dtb |
| +dtb-$(RPI_DT_OVERLAYS) += pitft22-overlay.dtb |
| dtb-$(RPI_DT_OVERLAYS) += pitft28-resistive-overlay.dtb |
| dtb-$(RPI_DT_OVERLAYS) += pps-gpio-overlay.dtb |
| dtb-$(RPI_DT_OVERLAYS) += rpi-dac-overlay.dtb |
| diff --git a/arch/arm/boot/dts/overlays/pitft22-overlay.dts b/arch/arm/boot/dts/overlays/pitft22-overlay.dts |
| new file mode 100755 |
| index 0000000..894ba22 |
| --- /dev/null |
| +++ b/arch/arm/boot/dts/overlays/pitft22-overlay.dts |
| @@ -0,0 +1,69 @@ |
| +/* |
| + * Device Tree overlay for pitft by Adafruit |
| + * |
| + */ |
| + |
| +/dts-v1/; |
| +/plugin/; |
| + |
| +/ { |
| + compatible = "brcm,bcm2835", "brcm,bcm2708", "brcm,bcm2709"; |
| + |
| + fragment@0 { |
| + target = <&spi0>; |
| + __overlay__ { |
| + status = "okay"; |
| + |
| + spidev@0{ |
| + status = "disabled"; |
| + }; |
| + |
| + spidev@1{ |
| + status = "disabled"; |
| + }; |
| + }; |
| + }; |
| + |
| + fragment@1 { |
| + target = <&gpio>; |
| + __overlay__ { |
| + pitft_pins: pitft_pins { |
| + brcm,pins = <25>; |
| + brcm,function = <1>; /* out */ |
| + brcm,pull = <0>; /* none */ |
| + }; |
| + }; |
| + }; |
| + |
| + fragment@2 { |
| + target = <&spi0>; |
| + __overlay__ { |
| + /* needed to avoid dtc warning */ |
| + #address-cells = <1>; |
| + #size-cells = <0>; |
| + |
| + pitft: pitft@0{ |
| + compatible = "ilitek,ili9340"; |
| + reg = <0>; |
| + pinctrl-names = "default"; |
| + pinctrl-0 = <&pitft_pins>; |
| + |
| + spi-max-frequency = <32000000>; |
| + rotate = <90>; |
| + fps = <25>; |
| + bgr; |
| + buswidth = <8>; |
| + dc-gpios = <&gpio 25 0>; |
| + debug = <0>; |
| + }; |
| + |
| + }; |
| + }; |
| + |
| + __overrides__ { |
| + speed = <&pitft>,"spi-max-frequency:0"; |
| + rotate = <&pitft>,"rotate:0"; |
| + fps = <&pitft>,"fps:0"; |
| + debug = <&pitft>,"debug:0"; |
| + }; |
| +}; |
| -- |
| 1.9.1 |
| |