arch/arm64/boot/dts/qcom/qm215-qrd-spi-overlay.dts

/*
 * Copyright (c) 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.
 */

/ {
	model = "QRD SPI";
	qcom,board-id = <0x01000b 5>;
};

&mdss_mdp {
	status = "disabled";
	/delete-node/ qcom,mdss_fb_primary;
};

&mdss_dsi {
	status = "disabled";
};

&mdss_dsi0 {
	status = "disabled";
};

&soc {
	qcom,mdss_wb_panel {
	status = "disabled";
	};
};

&mdss_dsi0_pll {
	status = "disabled";
};

&mdss_dsi1_pll {
	status = "disabled";
};

&mdss_mdp {
	qcom,mdss-pref-prim-intf = "spi";
};

&soc {
	mdss_spi_panel: qcom,mdss_spi_panel {
		compatible = "qcom,mdss-spi-panel";
		label = "mdss spi panel";
		mdss_fb0: qcom,mdss_fb_primary {
			cell-index = <0>;
			compatible = "qcom,mdss-fb";
		};
	};
};

#include "spi-panel-st7789v2-320p-cmd.dtsi"

&soc {
	mdss_spi: qcom,mdss_spi {
		compatible = "qcom,mdss-spi-display";
		label = "mdss spi display";
		qcom,spi-pref-prim-pan = <&spi_st7789v2_320p_cmd>;
		qcom,mdss-spi = <&mdss_spi_panel>;
		qcom,mdss-fb-map = <&mdss_fb0>;
	};

	spi@78b7000 {  /* BLSP1 QUP3 */
		status = "ok";
		qcom,mdss_spi_client {
			reg = <0>;
			compatible = "qcom,mdss-spi-client";
			label = "MDSS SPI QUP3 CLIENT";
			spi-max-frequency = <50000000>;
		};
	};

	i2c@78b7000 {  /* BLSP1 QUP3 */
		status = "disabled";
	};
};

&spi_st7789v2_320p_cmd {
	qcom,mdss-spi-bl-pmic-control-type = "bl_ctrl_pwm";
	qcom,mdss-spi-bl-pmic-pwm-frequency = <100>;
	qcom,mdss-spi-bl-pmic-bank-select = <0>;
	qcom,mdss-spi-pwm-gpio = <&pm8916_mpps 4 0>;
	qcom,cont-splash-enabled;
};

&mdss_te_active {
	mux {
		pins = "gpio24";
		function = "gpio";
	};
	config {
		pins = "gpio24";
		drive-strength = <2>; /* 2 mA */
		bias-pull-down; /* pull down*/
	};
};

&mdss_te_suspend {
	mux {
		pins = "gpio24";
		function = "gpio";
	};
	config {
		pins = "gpio24";
		drive-strength = <2>; /* 2 mA */
		bias-pull-down; /* pull down*/
	};
};

&pmx_mdss {
	mdss_spi_panel_active: mdss_spi_panel_active {
		mux {
			pins = "gpio64", "gpio60";
			function = "gpio";
		};
		config {
			pins = "gpio64", "gpio60";
			drive-strength = <8>; /* 8 mA */
			bias-disable = <0>; /* no pull */
			output-high;
		};
	};

	mdss_spi_panel_suspend: mdss_spi_panel_suspend {
		mux {
			pins = "gpio64", "gpio60";
			function = "gpio";
		};
		config {
			pins = "gpio64", "gpio60";
			drive-strength = <2>; /* 2 mA */
			bias-pull-down; /* pull down */
		};
	};
};

&mdss_spi {
	pinctrl-names = "mdss_default", "mdss_sleep";
	pinctrl-0 = <&mdss_te_active &mdss_spi_panel_active>;
	pinctrl-1 = <&mdss_te_suspend &mdss_spi_panel_suspend>;

	qcom,platform-te-gpio = <&tlmm 24 0>;
	qcom,platform-reset-gpio = <&tlmm 60 0>;
	qcom,platform-spi-dc-gpio = <&tlmm 64 0>;

	vddio-supply = <&pm8916_l6>;

	qcom,panel-supply-entries {
		#address-cells = <1>;
		#size-cells = <0>;
		qcom,panel-supply-entry@0 {
			reg = <1>;
			qcom,supply-name = "vddio";
			qcom,supply-min-voltage = <1744000>;
			qcom,supply-max-voltage = <1904000>;
			qcom,supply-enable-load = <100000>;
			qcom,supply-disable-load = <100>;
		};
		/delete-node/ qcom,panel-supply-entry@1;
		/delete-node/ qcom,panel-supply-entry@2;
		/delete-node/ qcom,panel-supply-entry@3;
	};
};