diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.1/0202-New-overlay-for-PiScreen2r.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.1/0202-New-overlay-for-PiScreen2r.patch | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.1/0202-New-overlay-for-PiScreen2r.patch b/target/linux/brcm2708/patches-4.1/0202-New-overlay-for-PiScreen2r.patch new file mode 100644 index 0000000..cf98bef --- /dev/null +++ b/target/linux/brcm2708/patches-4.1/0202-New-overlay-for-PiScreen2r.patch @@ -0,0 +1,148 @@ +From 688316bb306e42d224d4922b26cd44d5ff0e64b3 Mon Sep 17 00:00:00 2001 +From: mwilliams03 <mark.mwilliams@gmail.com> +Date: Sun, 18 Oct 2015 17:07:24 -0700 +Subject: [PATCH 202/203] New overlay for PiScreen2r + +--- + arch/arm/boot/dts/overlays/Makefile | 1 + + arch/arm/boot/dts/overlays/README | 14 +++ + arch/arm/boot/dts/overlays/piscreen2r-overlay.dts | 100 ++++++++++++++++++++++ + 3 files changed, 115 insertions(+) + create mode 100644 arch/arm/boot/dts/overlays/piscreen2r-overlay.dts + +--- a/arch/arm/boot/dts/overlays/Makefile ++++ b/arch/arm/boot/dts/overlays/Makefile +@@ -34,6 +34,7 @@ dtb-$(RPI_DT_OVERLAYS) += mcp2515-can1-o + dtb-$(RPI_DT_OVERLAYS) += mmc-overlay.dtb + dtb-$(RPI_DT_OVERLAYS) += mz61581-overlay.dtb + dtb-$(RPI_DT_OVERLAYS) += piscreen-overlay.dtb ++dtb-$(RPI_DT_OVERLAYS) += piscreen2r-overlay.dtb + dtb-$(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 +@@ -411,6 +411,20 @@ Params: speed Display + xohms Touchpanel sensitivity (X-plate resistance) + + ++Name: piscreen2r ++Info: PiScreen 2 with resistive TP display by OzzMaker.com ++Load: dtoverlay=piscreen,<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} ++ ++ xohms Touchpanel sensitivity (X-plate resistance) ++ ++ + 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/piscreen2r-overlay.dts +@@ -0,0 +1,100 @@ ++ /* ++ * Device Tree overlay for PiScreen2 3.5" TFT with resistive touch by Ozzmaker.com ++ * ++ */ ++ ++/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__ { ++ piscreen2_pins: piscreen2_pins { ++ brcm,pins = <17 25 24 22>; ++ brcm,function = <0 1 1 1>; /* in out out out */ ++ }; ++ }; ++ }; ++ ++ fragment@2 { ++ target = <&spi0>; ++ __overlay__ { ++ /* needed to avoid dtc warning */ ++ #address-cells = <1>; ++ #size-cells = <0>; ++ ++ piscreen2: piscreen2@0{ ++ compatible = "ilitek,ili9486"; ++ reg = <0>; ++ pinctrl-names = "default"; ++ pinctrl-0 = <&piscreen2_pins>; ++ bgr; ++ spi-max-frequency = <64000000>; ++ rotate = <90>; ++ fps = <30>; ++ buswidth = <8>; ++ regwidth = <16>; ++ txbuflen = <32768>; ++ reset-gpios = <&gpio 25 0>; ++ dc-gpios = <&gpio 24 0>; ++ led-gpios = <&gpio 22 1>; ++ debug = <0>; ++ ++ init = <0x10000b0 0x00 ++ 0x1000011 ++ 0x20000ff ++ 0x100003a 0x55 ++ 0x1000036 0x28 ++ 0x10000c0 0x11 0x09 ++ 0x10000c1 0x41 ++ 0x10000c5 0x00 0x00 0x00 0x00 ++ 0x10000b6 0x00 0x02 ++ 0x10000f7 0xa9 0x51 0x2c 0x2 ++ 0x10000be 0x00 0x04 ++ 0x10000e9 0x00 ++ 0x1000011 ++ 0x1000029>; ++ ++ }; ++ ++ piscreen2_ts: piscreen2-ts@1 { ++ compatible = "ti,ads7846"; ++ reg = <1>; ++ ++ spi-max-frequency = <2000000>; ++ interrupts = <17 2>; /* high-to-low edge triggered */ ++ interrupt-parent = <&gpio>; ++ pendown-gpio = <&gpio 17 0>; ++ ti,swap-xy; ++ ti,x-plate-ohms = /bits/ 16 <100>; ++ ti,pressure-max = /bits/ 16 <255>; ++ }; ++ }; ++ }; ++ __overrides__ { ++ speed = <&piscreen2>,"spi-max-frequency:0"; ++ rotate = <&piscreen2>,"rotate:0"; ++ fps = <&piscreen2>,"fps:0"; ++ debug = <&piscreen2>,"debug:0"; ++ xohms = <&piscreen2_ts>,"ti,x-plate-ohms;0"; ++ }; ++}; ++ |