diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0108-dts-Added-overlay-for-Adafruit-PiTFT-2.8-capacitive-.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.4/0108-dts-Added-overlay-for-Adafruit-PiTFT-2.8-capacitive-.patch | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0108-dts-Added-overlay-for-Adafruit-PiTFT-2.8-capacitive-.patch b/target/linux/brcm2708/patches-4.4/0108-dts-Added-overlay-for-Adafruit-PiTFT-2.8-capacitive-.patch new file mode 100644 index 0000000000..4aab320147 --- /dev/null +++ b/target/linux/brcm2708/patches-4.4/0108-dts-Added-overlay-for-Adafruit-PiTFT-2.8-capacitive-.patch @@ -0,0 +1,145 @@ +From 708f013bf40633883113c3fbaca5555b7d115906 Mon Sep 17 00:00:00 2001 +From: Ondrej Wisniewski <ondrej.wisniewski@gmail.com> +Date: Fri, 6 Nov 2015 15:01:28 +0100 +Subject: [PATCH 108/232] dts: Added overlay for Adafruit PiTFT 2.8" capacitive + touch screen + +--- + arch/arm/boot/dts/overlays/Makefile | 1 + + arch/arm/boot/dts/overlays/README | 22 ++++++ + .../dts/overlays/pitft28-capacitive-overlay.dts | 88 ++++++++++++++++++++++ + 3 files changed, 111 insertions(+) + create mode 100644 arch/arm/boot/dts/overlays/pitft28-capacitive-overlay.dts + +--- a/arch/arm/boot/dts/overlays/Makefile ++++ b/arch/arm/boot/dts/overlays/Makefile +@@ -36,6 +36,7 @@ dtb-$(RPI_DT_OVERLAYS) += mmc-overlay.dt + dtb-$(RPI_DT_OVERLAYS) += mz61581-overlay.dtb + dtb-$(RPI_DT_OVERLAYS) += piscreen-overlay.dtb + dtb-$(RPI_DT_OVERLAYS) += piscreen2r-overlay.dtb ++dtb-$(RPI_DT_OVERLAYS) += pitft28-capacitive-overlay.dtb + dtb-$(RPI_DT_OVERLAYS) += pitft28-resistive-overlay.dtb + dtb-$(RPI_DT_OVERLAYS) += pps-gpio-overlay.dtb + dtb-$(RPI_DT_OVERLAYS) += pwm-overlay.dtb +--- a/arch/arm/boot/dts/overlays/README ++++ b/arch/arm/boot/dts/overlays/README +@@ -439,6 +439,28 @@ Params: speed Display + xohms Touchpanel sensitivity (X-plate resistance) + + ++Name: pitft28-capacitive ++Info: Adafruit PiTFT 2.8" capacitive touch screen ++Load: dtoverlay=pitft28-capacitive,<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} ++ ++ touch-sizex Touchscreen size x (default 240) ++ ++ touch-sizey Touchscreen size y (default 320) ++ ++ touch-invx Touchscreen inverted x axis ++ ++ touch-invy Touchscreen inverted y axis ++ ++ touch-swapxy Touchscreen swapped x y axis ++ ++ + Name: pitft28-resistive + Info: Adafruit PiTFT 2.8" resistive touch screen + Load: dtoverlay=pitft28-resistive,<param>=<val> +--- /dev/null ++++ b/arch/arm/boot/dts/overlays/pitft28-capacitive-overlay.dts +@@ -0,0 +1,88 @@ ++/* ++ * Device Tree overlay for Adafruit PiTFT 2.8" capacitive touch screen ++ * ++ */ ++ ++/dts-v1/; ++/plugin/; ++ ++/ { ++ compatible = "brcm,bcm2835", "brcm,bcm2708", "brcm,bcm2709"; ++ ++ fragment@0 { ++ target = <&spi0>; ++ __overlay__ { ++ status = "okay"; ++ ++ spidev@0{ ++ status = "disabled"; ++ }; ++ }; ++ }; ++ ++ fragment@1 { ++ target = <&gpio>; ++ __overlay__ { ++ pitft_pins: pitft_pins { ++ brcm,pins = <24 25>; ++ brcm,function = <0 1>; /* in out */ ++ brcm,pull = <2 0>; /* pullup 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>; ++ }; ++ }; ++ }; ++ ++ fragment@3 { ++ target = <&i2c1>; ++ __overlay__ { ++ /* needed to avoid dtc warning */ ++ #address-cells = <1>; ++ #size-cells = <0>; ++ ++ ft6236: ft6236@38 { ++ compatible = "focaltech,ft6236"; ++ reg = <0x38>; ++ ++ interrupt-parent = <&gpio>; ++ interrupts = <24 2>; ++ touchscreen-size-x = <240>; ++ touchscreen-size-y = <320>; ++ }; ++ }; ++ }; ++ ++ __overrides__ { ++ speed = <&pitft>,"spi-max-frequency:0"; ++ rotate = <&pitft>,"rotate:0"; ++ fps = <&pitft>,"fps:0"; ++ debug = <&pitft>,"debug:0"; ++ touch-sizex = <&ft6236>,"touchscreen-size-x?"; ++ touch-sizey = <&ft6236>,"touchscreen-size-y?"; ++ touch-invx = <&ft6236>,"touchscreen-inverted-x?"; ++ touch-invy = <&ft6236>,"touchscreen-inverted-y?"; ++ touch-swapxy = <&ft6236>,"touchscreen-swapped-x-y?"; ++ }; ++}; |