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/*
* Theobroma Systems RK3399-Q7 "Puma" with MIPI-DSI enabled instead of HDMI
*/
#include "rk3399-puma.dts"
/ {
backlight: backlight {
compatible = "gpio-backlight";
// GPIO4_C2 = Q7_LVDS_BLT_CTRL. Set high to enable the backlight. Use PWM to regulate brightness.
gpios = <&gpio4 18 GPIO_ACTIVE_HIGH>;
default-on;
};
};
&hdmi {
status = "disabled";
};
&route_hdmi {
status = "disabled";
};
&route_mipi {
status = "okay";
// default in rk3399-linux.dtsi: connect = <&vopb_out_mipi>;
};
&mipi_dsi {
status = "okay";
panel {
compatible ="simple-panel-dsi";
reg = <0>;
backlight = <&backlight>;
// GPIO2_A2 = SEL_EDP_1V8. Set low to switch the hardware mux from eDP to DSI.
enable-gpios = <&gpio2 2 GPIO_ACTIVE_LOW>;
// GPIO4_D6 = LVDS_PPEN. Set low to send the panel into reset.
reset-gpios = <&gpio4 30 GPIO_ACTIVE_LOW>;
// Keep reset low for X milliseconds
reset-delay-ms = <10>;
dsi,flags = <(MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST |
MIPI_DSI_MODE_VIDEO_SYNC_PULSE)>;
dsi,format = <MIPI_DSI_FMT_RGB888>;
dsi,lanes = <4>;
status = "okay";
panel-init-sequence = [
15 01 02 cd aa
15 01 02 30 00
15 01 02 5e 03
15 01 02 32 00
15 01 02 33 25
15 01 02 65 08
15 01 02 3a 10
15 01 02 36 49
15 01 02 67 82
15 01 02 69 27
15 01 02 6c 27
15 01 02 6d 14
39 01 09 55 09 09 09 09 09 09 09 09
39 01 11 56 09 09 09 09 09 09 09 09 09 09 09 09 09 09 09 09
15 01 02 6b 00
15 01 02 58 08
15 01 02 73 30
15 01 02 74 10
15 01 02 77 00
15 01 02 68 00
15 01 02 28 28
39 01 05 57 00 00 09 09
15 01 02 41 46
15 01 02 4e 50
15 01 02 4f 55
15 01 02 63 04
39 01 14 53 1f 1a 17 13 12 12 14 15 15 10 0d 0b 0b 0c 0d 0a 08 03 00
39 01 14 54 1f 1a 17 13 12 12 14 15 15 10 0d 0b 0b 0c 0d 0a 08 03 00
15 01 02 29 10
15 01 02 2e 03
15 01 02 78 67
15 01 02 76 36
15 01 02 47 18
15 01 02 2d 31
15 01 02 50 d0
15 01 02 48 66
15 01 02 3f 00
15 01 02 31 01
15 01 02 4d 00
];
display-timings {
native-mode = <&timing0>;
timing0: timing0 {
clock-frequency = <71900000>;
hactive = <800>;
vactive = <1280>;
hback-porch = <24>;
hfront-porch = <72>;
vback-porch = <10>;
vfront-porch = <12>;
hsync-len = <24>;
vsync-len = <2>;
hsync-active = <0>;
vsync-active = <0>;
de-active = <1>;
pixelclk-active = <1>;
};
};
};
};
&i2c1 {
gsl1680 {
compatible = "silead,gsl1680";
reg = <0x40>;
// GPIO2_B3 = CSI_MCLK = gpio2 23
interrupt-parent = <&gpio2>;
interrupts = <23 IRQ_TYPE_LEVEL_LOW>; // TODO THIS IS PROBABLY WRONG
// GPIO1_C7 = LVDS_BLEN = gpio1 23
power-gpios = <&gpio1 23 GPIO_ACTIVE_HIGH>;
touchscreen-size-x = <1720>;
touchscreen-size-y = <1150>;
touchscreen-swapped-x-y;
touchscreen-inverted-x;
touchscreen-inverted-y;
silead,max-fingers = <5>;
// Place into /lib/firmware/silead
firmware-name = "elcom-plain.fw";
};
};
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