arch/arm64/boot/dts/google/lito-bramble-touch-proto-v2.dtsi

// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2019-2020, The Linux Foundation. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 and
 * only version 2 as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */
#include <dt-bindings/regulator/qcom,rpmh-regulator-levels.h>

&pm8150_l13 {
	regulator-min-microvolt = <3304000>;
	regulator-max-microvolt = <3304000>;
	qcom,init-voltage = <3304000>;
	qcom,init-mode = <RPMH_REGULATOR_MODE_HPM>;
	regulator-always-on;
};


// Keep interrupt pin active at all times
&tlmm {
	ts_mux {
		ts_active_suspend: ts_active_suspend {
			mux {
				pins = "gpio9", "gpio5", "gpio35";
				function = "gpio";
			};
			config {
				pins = "gpio9", "gpio5", "gpio35";
				drive-strength = <2>;
				bias-disable;
			};
		};

		ts_bus_active: ts_bus_active {
			mux {
				pins = "gpio42", "gpio43", "gpio44", "gpio45";
				function = "qup00";
			};

			config {
				pins = "gpio42", "gpio43", "gpio44", "gpio45";
				drive-strength = <8>;
				bias-disable;
			};
		};

		//MOSI,MISO,SS pin: input pull down
		ts_bus_sleep: ts_bus_sleep {
			mux {
				pins = "gpio43", "gpio44";
				function = "gpio";
			};

			config {
				pins = "gpio43", "gpio44";
				drive-strength = <8>;
				input-enable;
				bias-pull-down;
			};
		};

		ts_bus_sleep_miso: ts_bus_sleep_miso {
			mux {
				pins = "gpio42";
				function = "gpio";
			};

			config {
				pins = "gpio42";
				drive-strength = <8>;
				input-enable;
				bias-disable;
			};
		};

		//CS pin: input pull up
		ts_bus_sleep_cs: ts_bus_sleep_cs {
			mux {
				pins = "gpio45";
				function = "gpio";
			};

			config {
				pins = "gpio45";
				drive-strength = <8>;
				input-enable;
				bias-pull-up;
			};
		};
	};
};

&qupv3_se0_i2c {
	status = "disabled";
};

&qupv3_se0_spi {
	status = "ok";
	pinctrl-0 = <>;
	pinctrl-1 = <>;

	floral_spitouch: touchscreen@0 {
		status = "ok";
		compatible = "st,fts";
		spi-max-frequency = <10000000>;

		reg = <0>;
		interrupt-parent = <&tlmm>;
		interrupts = <9 IRQ_TYPE_LEVEL_LOW>;
//		vdd-supply = <&pm8150_l14>;		// 1v8
//		avdd-supply = <&pm8150_l13>;		// 3v3

		pinctrl-names = "pmx_ts_active", "pmx_ts_suspend";
		pinctrl-0 = <&ts_active_suspend &ts_bus_active>;
		pinctrl-1 = <&ts_active_suspend &ts_bus_sleep &ts_bus_sleep_miso
			     &ts_bus_sleep_cs>;

		st,irq-gpio = <&tlmm 9 0>;
		st,reset-gpio = <&tlmm 8 0>;
//		st,switch_gpio = <&tlmm 35 0>;		// Low: AP, High: SLPI
		st,max-coords = <1079 2339>;
		st,panel_map = <&dsi_sofef01_sdc_1080p_cmd 0>;
		st,force-pi-cfg-ver-map = <1024>;	// 0x0400
		st,touch_offload_id = [30 30 62 35]; /* '0 '0' 'b' '5' */
		//st,disp-rate-gpio = <&tlmm 128 0>;
//		st,regulator_dvdd = "vdd";
//		st,regulator_avdd = "avdd";
/*
		st,panel_map = <&dsi_s6e3hc2_dsc_wqhd_cmd 0>,
			       <&dsi_nt37280_dsc_fhd_cmd 1>,
			       <&dsi_nt37280_2a8t_dsc_fhd_cmd 1>,
			       <&dsi_nt37280_2b8t_dsc_fhd_cmd 1>,
			       <&dsi_nt37280_7t_dsc_fhd_cmd 1>;

		// Override table format:
		// panel number, extinfo index, mask, value, firmware index
		st,extinfo_override_table = <1  1 0xF0 0x00 2>,
					    <1  1 0xF0 0x10 2>,
					    <1  1 0xFC 0x24 3>,
					    <1  1 0xFC 0x28 4>;

		st,firmware_names = "ftm5_fw_c2.ftb",
				    "ftm5_fw_f2.ftb",
				    "ftm5_fw_f2_p2.ftb",
				    "ftm5_fw_f2_evt1.ftb",
				    "ftm5_fw_f2_evt2.ftb";
		st,limits_names = "stm_fts_production_limits_c2.csv",
				  "stm_fts_production_limits_f2.csv",
				  "stm_fts_production_limits_f2_p2.csv",
				  "stm_fts_production_limits_f2_evt1.csv",
				  "stm_fts_production_limits_f2_evt2.csv";
		st,sensor_inverted = <0>, <1>, <1>, <1>, <1>;
*/

		tbn,lpi2ap_gpio = <&tlmm 5 0>;
		tbn,ap2lpi_gpio = <&tlmm 35 0>;

	};
};