diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0304-dts-add-overlay-for-pitft22.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.4/0304-dts-add-overlay-for-pitft22.patch | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0304-dts-add-overlay-for-pitft22.patch b/target/linux/brcm2708/patches-4.4/0304-dts-add-overlay-for-pitft22.patch new file mode 100644 index 0000000000..2c3706f4c4 --- /dev/null +++ b/target/linux/brcm2708/patches-4.4/0304-dts-add-overlay-for-pitft22.patch @@ -0,0 +1,123 @@ +From 2e099f313b5fa1f2eb508da3b7322dea3c27053d 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 304/423] dts: add overlay for pitft22 +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +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 Mabäcker <petter@technux.se> +Signed-off-by: Andrei Gherzan <andrei@resin.io> +--- + arch/arm/boot/dts/overlays/Makefile | 1 + + arch/arm/boot/dts/overlays/README | 12 +++++ + arch/arm/boot/dts/overlays/pitft22-overlay.dts | 69 ++++++++++++++++++++++++++ + 3 files changed, 82 insertions(+) + create mode 100644 arch/arm/boot/dts/overlays/pitft22-overlay.dts + +--- a/arch/arm/boot/dts/overlays/Makefile ++++ b/arch/arm/boot/dts/overlays/Makefile +@@ -51,6 +51,7 @@ dtbo-$(RPI_DT_OVERLAYS) += pi3-disable-b + dtbo-$(RPI_DT_OVERLAYS) += pi3-miniuart-bt.dtbo + dtbo-$(RPI_DT_OVERLAYS) += piscreen.dtbo + dtbo-$(RPI_DT_OVERLAYS) += piscreen2r.dtbo ++dtbo-$(RPI_DT_OVERLAYS) += pitft22.dtbo + dtbo-$(RPI_DT_OVERLAYS) += pitft28-capacitive.dtbo + dtbo-$(RPI_DT_OVERLAYS) += pitft28-resistive.dtbo + dtbo-$(RPI_DT_OVERLAYS) += pps-gpio.dtbo +--- a/arch/arm/boot/dts/overlays/README ++++ b/arch/arm/boot/dts/overlays/README +@@ -644,6 +644,18 @@ Params: speed Display + xohms Touchpanel sensitivity (X-plate resistance) + + ++Name: pitft22 ++Info: Adafruit PiTFT 2.2" screen ++Load: dtoverlay=pitft22,<param>=<val> ++Params: speed Display SPI bus speed ++ ++ rotate Display rotation {0,90,180,270} ++ ++ fps Delay between frame updates ++ ++ debug Debug output level {0-7} ++ ++ + Name: pitft28-capacitive + Info: Adafruit PiTFT 2.8" capacitive touch screen + Load: dtoverlay=pitft28-capacitive,<param>=<val> +--- /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"; ++ }; ++}; |