xref: /kernel/linux/linux-6.6/arch/arm64/boot/dts/qcom/ipq9574-rdp449.dts

// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
/*
 * IPQ9574 RDP449 board device tree source
 *
 * Copyright (c) 2020-2021 The Linux Foundation. All rights reserved.
 * Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All rights reserved.
 */

/dts-v1/;

#include "ipq9574.dtsi"

/ {
	model = "Qualcomm Technologies, Inc. IPQ9574/AP-AL02-C6";
	compatible = "qcom,ipq9574-ap-al02-c6", "qcom,ipq9574";

	aliases {
		serial0 = &blsp1_uart2;
	};

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

&blsp1_spi0 {
	pinctrl-0 = <&spi_0_pins>;
	pinctrl-names = "default";
	status = "okay";

	flash@0 {
		compatible = "micron,n25q128a11", "jedec,spi-nor";
		reg = <0>;
		#address-cells = <1>;
		#size-cells = <1>;
		spi-max-frequency = <50000000>;
	};
};

&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>;
		};
	};
};

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

&tlmm {
	spi_0_pins: spi-0-state {
		pins = "gpio11", "gpio12", "gpio13", "gpio14";
		function = "blsp0_spi";
		drive-strength = <8>;
		bias-disable;
	};
};

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