// SPDX-License-Identifier: GPL-2.0-only
// Copyright (c) 2024, NVIDIA CORPORATION & AFFILIATES.  All rights reserved.

//Device-tree overlay for tegra234-p3740-0002-p3701-0008 M.2 Key B Slot.

/dts-v1/;
/plugin/;

#include <dt-bindings/pinctrl/pinctrl-tegra.h>
#include <dt-bindings/tegra234-p3740-0002-p3701-0008.h>

/ {
	overlay-name = "Jetson M.2 Key B Slot";
	compatible = JETSON_COMPATIBLE;

	fragment@0 {
		target = <&pinmux>;
		__overlay__ {
			pinctrl-names = "default";
			pinctrl-0 = <&jetson_io_pinmux>;
			jetson_io_pinmux: exp-header-pinmux {
				m2kb-pin20 {
					nvidia,pins = "soc_gpio41_ph7";
					nvidia,function = "i2s2";
					nvidia,pin-label = "i2s2_sclk";
					nvidia,tristate = <TEGRA_PIN_DISABLE>;
					nvidia,enable-input = <TEGRA_PIN_ENABLE>;
				};
				m2kb-pin22 {
					nvidia,pins = "soc_gpio42_pi0";
					nvidia,function = "i2s2";
					nvidia,pin-label = "i2s2_dout";
					nvidia,tristate = <TEGRA_PIN_DISABLE>;
					nvidia,enable-input = <TEGRA_PIN_DISABLE>;
				};
				m2kb-pin24 {
					nvidia,pins = "soc_gpio43_pi1";
					nvidia,function = "i2s2";
					nvidia,pin-label = "i2s2_din";
					nvidia,tristate = <TEGRA_PIN_ENABLE>;
					nvidia,enable-input = <TEGRA_PIN_ENABLE>;
				};
				m2kb-pin28 {
					nvidia,pins = "soc_gpio44_pi2";
					nvidia,function = "i2s2";
					nvidia,pin-label = "i2s2_fs";
					nvidia,tristate = <TEGRA_PIN_DISABLE>;
					nvidia,enable-input = <TEGRA_PIN_ENABLE>;
				};
			};
		};
	};

	fragment@1 {
		target = <&pinmux_aon>;
		__overlay__ {
			pinctrl-names = "default";
			pinctrl-0 = <&jetson_io_pinmux_aon>;
			jetson_io_pinmux_aon: exp-header-pinmux {
				m2kb-pin40 {
					nvidia,pins = "gen2_i2c_sda_pdd0";
				};
				m2kb-pin42 {
					nvidia,pins = "gen2_i2c_scl_pcc7";
				};
			};
		};
	};
};