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!!DEPRECATED!! now maintenance by devemin https://github.com/devemin/fbtft /// ラズピッピに接続できる部材がきたので書いたけどわからんマ●ョカ●イリスdts(コンパイルはできるけど動かないはずなので注意)
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/* Device Tree for MajocaIris */ | |
/* NOT WORKING YET */ | |
/* ベースにした: https://gist.github.com/hgroll/2731ae6d05350df663b123615f765bf5 */ | |
/* compile | |
$ dtc -I dts -O dtb -o majocairis.dtbo majocairis.dts | |
$ sudo cp majocairis.dtbo /boot/overlays/ | |
*/ | |
/* configure | |
$ sudo vi /boot/config.txt | |
[all] | |
# 最後の行に追記。debugはあってもなくても。 | |
dtoverlay=majocairis,debug=1 | |
$ sudo reboot | |
*/ | |
/dts-v1/; | |
/plugin/; | |
/ { | |
compatible = "brcm,bcm2835"; | |
fragment@0 { | |
target = <&spi0>; | |
__overlay__ { | |
status = "okay"; | |
spidev@0{ | |
status = "disabled"; | |
}; | |
spidev@1{ | |
status = "disabled"; | |
}; | |
}; | |
}; | |
fragment@1 { | |
target = <&gpio>; | |
__overlay__ { | |
majocairis_pins: majocairis_pins { | |
// 使用するピンとout/inの定義 | |
brcm,pins = <4 3 23 2 5 6 13 19 26 12 16 20>; | |
brcm,function = <1 1 1 1 1 1 1 1 1 1 1 1>; /* 1:out 0:in */ | |
}; | |
}; | |
}; | |
fragment@2 { | |
target = <&spi0>; | |
__overlay__ { | |
/* needed to avoid dtc warning */ | |
#address-cells = <1>; | |
#size-cells = <0>; | |
majocairis: majocairis@0{ | |
/* https://github.com/torvalds/linux/tree/master/drivers/staging/fbtft の | |
どれかと互換なのではないかという邪推だけでdtsを書くやつ | |
https://github.com/devemin/fbtft/blob/master/fb_s6d1121.c を読むに | |
ili9341とほぼ同じ。xeとyeの値がカスタムされているだけ。 | |
*/ | |
compatible = "ilitek,ili9341"; | |
//compatible = "takaratomy,majocairis"; | |
/* regはcs(0 or 1)かと思ってたけどわからん */ | |
reg = <0>; | |
pinctrl-names = "default"; | |
pinctrl-0 = <&majocairis_pins>; | |
spi-max-frequency = <10000000>; | |
txbufren = <8192>; | |
fps = <20>; | |
buswidth = <8>; | |
debug = <0>; | |
// https://github.com/devemin/fbtft/blob/master/fb_s6d1121.c | |
// をもとにパラメータを展開したもの。 | |
width = <640>; | |
height = <48>; | |
reset-gpios = <&gpio 4 0>; | |
dc-gpios = <&gpio 3 0>; | |
wr-gpios = <&gpio 23 0>; | |
cs-gpios = <&gpio 2 0>; | |
/* db-gpiosかきかた https://github.com/notro/fbtft/issues/443 */ | |
db-gpios = <&gpio 5 0>, | |
<&gpio 6 0>, | |
<&gpio 13 0>, | |
<&gpio 19 0>, | |
<&gpio 26 0>, | |
<&gpio 12 0>, | |
<&gpio 16 0>, | |
<&gpio 20 0>; | |
gamma = "00 1C 21 02 11 07 3D 79 4B 07 0F 0C 1B 1F 0F\n00 1C 20 04 0F 04 33 45 42 04 0C 0A 22 29 0F"; | |
/* https://github.com/notro/fbtft/issues/300#issuecomment-127012295 より。 | |
-1は0x1000000になる。-1,0xc8,0xff...と書いていた部分は0x10000C8,0xFF...となる | |
-2は0x2000000になる。-2,0x0a...と書いていた部分は0x200000a...となる | |
-3はなさげ。 */ | |
init = <0x10000C8 0xFF 0x93 0x42 | |
0x100002A 0x00 0x00 0x01 0x3F | |
0x100002B 0x00 0x00 0x00 0x5F | |
0x1000036 0xC8 | |
0x10000C0 0x0E 0x0E | |
0x10000C1 0x10 | |
0x10000C5 0xFA | |
0x100003A 0x55 | |
0x10000B1 0x00 0x18 | |
0x1000011 0x2000082 | |
0x1000029 0x200000a>; | |
}; | |
// gamma | |
// 0x10000E0 0x00 0x1C 0x21 0x02 0x11 0x07 0x3D 0x79 0x4B 0x07 0x0F 0x0C 0x1B 0x1F 0x0F | |
// 0x10000E1 0x00 0x1C 0x20 0x04 0x0F 0x04 0x33 0x45 0x42 0x04 0x0C 0x0A 0x22 0x29 0x0F | |
}; | |
}; | |
__overrides__ { | |
speed = <&majocairis>,"spi-max-frequency:0"; | |
rotate = <&majocairis>,"rotate:0"; | |
fps = <&majocairis>,"fps:0"; | |
debug = <&majocairis>,"debug:0"; | |
}; | |
}; |
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