| 0a7ba7e9 |
1 | /* |
| 2 | * Device Tree overlay for PiScreen2 3.5" TFT with resistive touch by Ozzmaker.com |
| 3 | * |
| 4 | */ |
| 5 | |
| 6 | /dts-v1/; |
| 7 | /plugin/; |
| 8 | |
| 9 | / { |
| 10 | compatible = "brcm,bcm2835", "brcm,bcm2708", "brcm,bcm2709"; |
| 11 | |
| 12 | fragment@0 { |
| 13 | target = <&spi0>; |
| 14 | __overlay__ { |
| 15 | status = "okay"; |
| 16 | }; |
| 17 | }; |
| 18 | |
| 19 | fragment@1 { |
| 20 | target = <&spidev0>; |
| 21 | __overlay__ { |
| 22 | status = "disabled"; |
| 23 | }; |
| 24 | }; |
| 25 | |
| 26 | fragment@2 { |
| 27 | target = <&spidev1>; |
| 28 | __overlay__ { |
| 29 | status = "disabled"; |
| 30 | }; |
| 31 | }; |
| 32 | |
| 33 | fragment@3 { |
| 34 | target = <&gpio>; |
| 35 | __overlay__ { |
| 36 | piscreen2_pins: piscreen2_pins { |
| 37 | brcm,pins = <17 25 24 22>; |
| 38 | brcm,function = <0 1 1 1>; /* in out out out */ |
| 39 | }; |
| 40 | }; |
| 41 | }; |
| 42 | |
| 43 | fragment@4 { |
| 44 | target = <&spi0>; |
| 45 | __overlay__ { |
| 46 | /* needed to avoid dtc warning */ |
| 47 | #address-cells = <1>; |
| 48 | #size-cells = <0>; |
| 49 | |
| 50 | piscreen2: piscreen2@0{ |
| 51 | compatible = "ilitek,ili9486"; |
| 52 | reg = <0>; |
| 53 | pinctrl-names = "default"; |
| 54 | pinctrl-0 = <&piscreen2_pins>; |
| 55 | bgr; |
| 56 | spi-max-frequency = <64000000>; |
| 57 | rotate = <90>; |
| 58 | fps = <30>; |
| 59 | buswidth = <8>; |
| 60 | regwidth = <16>; |
| 61 | txbuflen = <32768>; |
| 62 | reset-gpios = <&gpio 25 0>; |
| 63 | dc-gpios = <&gpio 24 0>; |
| 64 | led-gpios = <&gpio 22 1>; |
| 65 | debug = <0>; |
| 66 | |
| 67 | init = <0x10000b0 0x00 |
| 68 | 0x1000011 |
| 69 | 0x20000ff |
| 70 | 0x100003a 0x55 |
| 71 | 0x1000036 0x28 |
| 72 | 0x10000c0 0x11 0x09 |
| 73 | 0x10000c1 0x41 |
| 74 | 0x10000c5 0x00 0x00 0x00 0x00 |
| 75 | 0x10000b6 0x00 0x02 |
| 76 | 0x10000f7 0xa9 0x51 0x2c 0x2 |
| 77 | 0x10000be 0x00 0x04 |
| 78 | 0x10000e9 0x00 |
| 79 | 0x1000011 |
| 80 | 0x1000029>; |
| 81 | |
| 82 | }; |
| 83 | |
| 84 | piscreen2_ts: piscreen2-ts@1 { |
| 85 | compatible = "ti,ads7846"; |
| 86 | reg = <1>; |
| 87 | |
| 88 | spi-max-frequency = <2000000>; |
| 89 | interrupts = <17 2>; /* high-to-low edge triggered */ |
| 90 | interrupt-parent = <&gpio>; |
| 91 | pendown-gpio = <&gpio 17 0>; |
| 92 | ti,swap-xy; |
| 93 | ti,x-plate-ohms = /bits/ 16 <100>; |
| 94 | ti,pressure-max = /bits/ 16 <255>; |
| 95 | }; |
| 96 | }; |
| 97 | }; |
| 98 | __overrides__ { |
| 99 | speed = <&piscreen2>,"spi-max-frequency:0"; |
| 100 | rotate = <&piscreen2>,"rotate:0"; |
| 101 | fps = <&piscreen2>,"fps:0"; |
| 102 | debug = <&piscreen2>,"debug:0"; |
| 103 | xohms = <&piscreen2_ts>,"ti,x-plate-ohms;0"; |
| 104 | }; |
| 105 | }; |
| 106 | |
projects / mirror_ubuntu-zesty-kernel.git / blame