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      1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
      2 /*
      3  * Google Veyron Tiger Rev 0+ board device tree source
      4  *
      5  * Copyright 2016 Google, Inc
      6  */
      7 
      8 /dts-v1/;
      9 #include "rk3288-veyron-fievel.dts"
     10 #include "rk3288-veyron-edp.dtsi"
     11 
     12 / {
     13 	model = "Google Tiger";
     14 	compatible = "google,veyron-tiger-rev8", "google,veyron-tiger-rev7",
     15 		     "google,veyron-tiger-rev6", "google,veyron-tiger-rev5",
     16 		     "google,veyron-tiger-rev4", "google,veyron-tiger-rev3",
     17 		     "google,veyron-tiger-rev2", "google,veyron-tiger-rev1",
     18 		     "google,veyron-tiger-rev0", "google,veyron-tiger",
     19 		     "google,veyron", "rockchip,rk3288";
     20 
     21 	/delete-node/ vcc18-lcd;
     22 };
     23 
     24 &backlight {
     25 	/* Tiger panel PWM must be >= 1%, so start non-zero brightness at 3 */
     26 	brightness-levels = <3 255>;
     27 	num-interpolated-steps = <252>;
     28 };
     29 
     30 &backlight_regulator {
     31 	vin-supply = <&vccsys>;
     32 };
     33 
     34 &i2c3 {
     35 	status = "okay";
     36 
     37 	clock-frequency = <400000>;
     38 	i2c-scl-falling-time-ns = <50>;
     39 	i2c-scl-rising-time-ns = <300>;
     40 
     41 	touchscreen@10 {
     42 		compatible = "elan,ekth3500";
     43 		reg = <0x10>;
     44 		interrupt-parent = <&gpio2>;
     45 		interrupts = <RK_PB6 IRQ_TYPE_EDGE_FALLING>;
     46 		pinctrl-names = "default";
     47 		pinctrl-0 = <&touch_int &touch_rst>;
     48 		reset-gpios = <&gpio2 RK_PB7 GPIO_ACTIVE_LOW>;
     49 		vcc33-supply = <&vcc33_io>;
     50 		vccio-supply = <&vcc33_io>;
     51 		wakeup-source;
     52 	};
     53 };
     54 
     55 &panel {
     56 	compatible = "auo,b101ean01";
     57 
     58 	/delete-node/ panel-timing;
     59 
     60 	panel-timing {
     61 		clock-frequency = <66666667>;
     62 		hactive = <1280>;
     63 		hfront-porch = <18>;
     64 		hback-porch = <21>;
     65 		hsync-len = <32>;
     66 		vactive = <800>;
     67 		vfront-porch = <4>;
     68 		vback-porch = <8>;
     69 		vsync-len = <18>;
     70 	};
     71 };
     72 
     73 &pinctrl {
     74 	lcd {
     75 		/delete-node/ avdd-1v8-disp-en;
     76 	};
     77 
     78 	touchscreen {
     79 		touch_int: touch-int {
     80 			rockchip,pins = <2 RK_PB6 RK_FUNC_GPIO &pcfg_pull_none>;
     81 		};
     82 
     83 		touch_rst: touch-rst {
     84 			rockchip,pins = <2 RK_PB7 RK_FUNC_GPIO &pcfg_pull_none>;
     85 		};
     86 	};
     87 };
     88