arch/arm64/boot/dts/google/gs101-whitefin-audio.dtsi

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Google GS101 Whitefin-specific audio device tree source
 *
 * Copyright (c) 2020 Google, LLC
 *		https://www.google.com
 *
*/

#include <dt-bindings/pinctrl/samsung.h>
#include <dt-bindings/pinctrl/gs101.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/sound/google-aoc.h>
#include <dt-bindings/regulator/samsung,s2mpg-regulator.h>

&dai_be_tdm0_rx {
	codec {
		sound-dai = <&cs35l41_l 0>,
			<&cs35l41_r 0>;
	};
};

&dai_be_tdm0_tx {
	codec {
		sound-dai = <&cs35l41_l 0>,
			<&cs35l41_r 0>;
	};
};

&aoc_snd_card {
	clks {
		sys {
			sys@cs35l41_l {
				comp = <&cs35l41_l>;
				src = "BCLK";
				/* clk id */
				id = <0>;
				/* clk source */
				srcid = <0>;
				/* in clk multiple */
				in_mul = <1>;
				/* out clk multiple */
				out_mul = <1>;
			};

			sys@cs35l41_r {
				comp = <&cs35l41_r>;
				src = "BCLK";
				/* clk id */
				id = <0>;
				/* clk source */
				srcid = <0>;
				/* in clk multiple */
				in_mul = <1>;
				/* out clk multiple */
				out_mul = <1>;
			};
		};
	};
};

/* GPIO_ALIVE */
&pinctrl_0 {
	cs35l41_r_irq: cs35l41-r-irq {
		samsung,pins = "gpa9-6"; /* XEINT_26 */
		samsung,pin-function = <EXYNOS_PIN_FUNC_EINT>;
		samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
	};
};

/* GPIO_FAR_ALIVE */
&pinctrl_1 {
	cs35l41_l_irq: cs35l41-l-irq {
		samsung,pins = "gpa6-3"; /* XEINT_3 */
		samsung,pin-function = <EXYNOS_PIN_FUNC_EINT>;
		samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
	};
};

/* GPIO_PERIC0 */
&pinctrl_4 {
	cs35l41_l_rst: cs35l41-l-rst {
		samsung,pins = "gpp16-3"; /* XAPC_USI8_CTSN_CSN */
		samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>;
		samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
		samsung,pin-con-pdn = <EXYNOS_PIN_PDN_PREV>;
		samsung,pin-pud-pdn = <EXYNOS_PIN_PULL_NONE>;
	};
};

/* GPIO_PERIC1 */
&pinctrl_5 {
	cs35l41_r_rst: cs35l41-r-rst {
		samsung,pins = "gpp23-7"; /* XAPC_USI12_CTSN_CSN */
		samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>;
		samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
		samsung,pin-con-pdn = <EXYNOS_PIN_PDN_PREV>;
		samsung,pin-pud-pdn = <EXYNOS_PIN_PULL_NONE>;
	};

	hapt_amp_rst: hapt-amp-rst {
		samsung,pins = "gpp24-0"; /* XAPC_GPIO6 */
		samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>;
		samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
		samsung,pin-con-pdn = <EXYNOS_PIN_PDN_PREV>;
		samsung,pin-pud-pdn = <EXYNOS_PIN_PULL_NONE>;
	};

	hapt_amp_trig: hapt-amp-trig {
		samsung,pins = "gpp24-3"; /* XAPC_GPIO9 */
		samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>;
		samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
		samsung,pin-con-pdn = <EXYNOS_PIN_PDN_PREV>;
		samsung,pin-pud-pdn = <EXYNOS_PIN_PULL_NONE>;
	};
};

&hsi2c_8 {
	#address-cells = <1>;
	#size-cells = <0>;
	status = "okay";

	pinctrl-names = "default";
	pinctrl-0 = <&hsi2c8_bus>;

	clock-frequency = <400000>;

	drv2624_haptics@5a {
		compatible = "ti,drv2624";
		reg = <0x5a>;

		pinctrl-names = "default";
		pinctrl-0 = <&hapt_amp_rst>;

		ti,reset-gpio = <&gpp24 0 0>;

		ti,smart-loop = <0>; /* 0-closeloop, 1-openloop */
		ti,actuator = <1>; /* 0-ERM, 1-LRA */
		ti,rated-voltage = <77>; /* 1.8 Vrms */
		ti,odclamp-voltage = <165>; /* 3.5 Vpeak */
		ti,lra-frequency = <155>; /* f0 = 155Hz */
		ti,ol-lra-frequency = <155>; /* off-f0 in OL */
		ti,bemf-factor = <188>;
		ti,bemf-gain = <1>;
		ti,voltage-comp = <9>;
		ti,blanking-time = <2>; /* 50 us */
		ti,idiss-time = <2>; /* 50 us */
		ti,zc-det-time = <0>; /* 100 us*/
		ti,lra-wave-shape = <0>; /* Square wave */
		ti,waveform-interval = <1>; /* 1 ms */

		status = "okay";
	};

	cs35l41_l: cs35l41@40 {
		compatible = "cirrus,cs35l41";
		#sound-dai-cells = <1>;
		reg = <0x40>;

		pinctrl-names = "default";
		pinctrl-0 = <&cs35l41_l_rst &cs35l41_l_irq>;

		interrupt-parent = <&gpa6>;
		interrupts = <3 0 0>;

		reset-gpios = <&gpp16 3 0>;

		VA-supply = <&s_bucka_reg>;
		VP-supply = <&V_SYS_dummy>;

		cirrus,boost-peak-milliamp = <3500>;
		cirrus,boost-ind-nanohenry = <1000>;
		cirrus,boost-cap-microfarad = <30>;

		cirrus,asp-sdout-hiz = <3>;
		cirrus,tuning-has-prefix;
		cirrus,left-channel-amp;

		cirrus,gpio-config2 {
			cirrus,gpio-src-select = <0x5>;
			cirrus,gpio-output-enable;
		};
	};

	cs35l41_r: cs35l41@41 {
		compatible = "cirrus,cs35l41";
		#sound-dai-cells = <1>;
		sound-name-prefix = "R";
		reg = <0x41>;

		pinctrl-names = "default";
		pinctrl-0 = <&cs35l41_r_rst &cs35l41_r_irq>;

		interrupt-parent = <&gpa9>;
		interrupts = <6 0 0>;

		reset-gpios = <&gpp23 7 0>;

		VA-supply = <&s_bucka_reg>;
		VP-supply = <&V_SYS_dummy>;

		cirrus,boost-peak-milliamp = <3500>;
		cirrus,boost-ind-nanohenry = <1000>;
		cirrus,boost-cap-microfarad = <30>;

		cirrus,asp-sdout-hiz = <3>;
		cirrus,tuning-has-prefix;
		cirrus,left-channel-amp;

		cirrus,gpio-config2 {
			cirrus,gpio-src-select = <0x5>;
			cirrus,gpio-output-enable;
		};
	};
};

/* GSA controls MIC power on this platform */
&m_ldo20_reg {
	regulator-initial-mode = <SEC_OPMODE_SUSPEND>;  /* GPIO_CONTROL */
};