xref: /kernel/linux/linux-6.6/arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts

// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
/*
 * IPQ9574 RDP433 board device tree source
 *
 * Copyright (c) 2020-2021 The Linux Foundation. All rights reserved.
 * Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved.
 */

/dts-v1/;

#include "ipq9574.dtsi"

/ {
	model = "Qualcomm Technologies, Inc. IPQ9574/AP-AL02-C7";
	compatible = "qcom,ipq9574-ap-al02-c7", "qcom,ipq9574";

	aliases {
		serial0 = &blsp1_uart2;
	};

	chosen {
		stdout-path = "serial0:115200n8";
	};

	regulator_fixed_3p3: s3300 {
		compatible = "regulator-fixed";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-boot-on;
		regulator-always-on;
		regulator-name = "fixed_3p3";
	};

	regulator_fixed_0p925: s0925 {
		compatible = "regulator-fixed";
		regulator-min-microvolt = <925000>;
		regulator-max-microvolt = <925000>;
		regulator-boot-on;
		regulator-always-on;
		regulator-name = "fixed_0p925";
	};
};

&blsp1_uart2 {
	pinctrl-0 = <&uart2_pins>;
	pinctrl-names = "default";
	status = "okay";
};

&rpm_requests {
	regulators {
		compatible = "qcom,rpm-mp5496-regulators";

		ipq9574_s1: s1 {
		/*
		 * During kernel bootup, the SoC runs at 800MHz with 875mV set by the bootloaders.
		 * During regulator registration, kernel not knowing the initial voltage,
		 * considers it as zero and brings up the regulators with minimum supported voltage.
		 * Update the regulator-min-microvolt with SVS voltage of 725mV so that
		 * the regulators are brought up with 725mV which is sufficient for all the
		 * corner parts to operate at 800MHz
		 */
			regulator-min-microvolt = <725000>;
			regulator-max-microvolt = <1075000>;
		};

		mp5496_l2: l2 {
			regulator-min-microvolt = <1800000>;
			regulator-max-microvolt = <1800000>;
			regulator-always-on;
			regulator-boot-on;
		};
	};
};

&sdhc_1 {
	pinctrl-0 = <&sdc_default_state>;
	pinctrl-names = "default";
	mmc-ddr-1_8v;
	mmc-hs200-1_8v;
	mmc-hs400-1_8v;
	mmc-hs400-enhanced-strobe;
	max-frequency = <384000000>;
	bus-width = <8>;
	status = "okay";
};

&sleep_clk {
	clock-frequency = <32000>;
};

&tlmm {
	sdc_default_state: sdc-default-state {
		clk-pins {
			pins = "gpio5";
			function = "sdc_clk";
			drive-strength = <8>;
			bias-disable;
		};

		cmd-pins {
			pins = "gpio4";
			function = "sdc_cmd";
			drive-strength = <8>;
			bias-pull-up;
		};

		data-pins {
			pins = "gpio0", "gpio1", "gpio2",
			       "gpio3", "gpio6", "gpio7",
			       "gpio8", "gpio9";
			function = "sdc_data";
			drive-strength = <8>;
			bias-pull-up;
		};

		rclk-pins {
			pins = "gpio10";
			function = "sdc_rclk";
			drive-strength = <8>;
			bias-pull-down;
		};
	};
};

&usb_0_dwc3 {
	dr_mode = "host";
};

&usb_0_qmpphy {
	vdda-pll-supply = <&mp5496_l2>;
	vdda-phy-supply = <&regulator_fixed_0p925>;

	status = "okay";
};

&usb_0_qusbphy {
	vdd-supply = <&regulator_fixed_0p925>;
	vdda-pll-supply = <&mp5496_l2>;
	vdda-phy-dpdm-supply = <&regulator_fixed_3p3>;

	status = "okay";
};

&usb3 {
	status = "okay";
};

&xo_board_clk {
	clock-frequency = <24000000>;
};