arch/arm64/boot/dts/google/zuma-cp-s5300-gnss.dtsi

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Samsung CP interface device tree source
 *
 * Copyright (c) 2022 Samsung Electronics Co., Ltd.
 *             http://www.samsung.com
 */

/ {
	fragment@modemif {
		target-path = "/";
		__overlay__ {
			#address-cells = <2>;
			#size-cells = <1>;

			gnssif {
				status = "okay";
				compatible = "samsung,exynos-gnss";

				device,name = "KEPLER";
				device_node_name = "gnss_ipc";
				pinctrl-names = "default";
				pinctrl-0 = <&gnss_spi_irq>,
					<&gnss_spi_int>;

				gpio_gnss2ap_spi = <&gpa5 3 GPIO_ACTIVE_LOW>;
				gpio_ap2gnss_spi = <&gpp4 3 GPIO_ACTIVE_LOW>;
			};

		};
	};
};

&spi_21 {
	#address-cells = <1>;
	#size-cells = <0>;
	status = "okay";
	swap-mode = <1>;

	gnss@0 {
		compatible = "samsung,gnss-spi";
		reg = <0>;
		spi-max-frequency = <3125000>;
		controller-data {
			samsung,spi-feedback-delay = <0>;
		};
	};
};

&pinctrl_11 {
	gnss_spi_int: gnss_spi_int {
		samsung,pins = "gpp4-3";
		samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>;
		samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
		samsung,pin-drv = <0>;
	};
};

&pinctrl_2 {
	gnss_spi_irq: gnss_spi_irq {
		samsung,pins = "gpa5-3";
		samsung,pin-function = <EXYNOS_PIN_FUNC_EINT>;
		samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
		samsung,pin-drv = <0>;
		samsung,pin-con-pdn = <EXYNOS_PIN_PDN_PREV>;
		samsung,pin-pud-pdn = <EXYNOS_PIN_PULL_NONE>;
	};
};