// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) /* * IPQ9574 RDP board common 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 #include #include #include "ipq9574.dtsi" / { 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"; }; gpio-keys { compatible = "gpio-keys"; pinctrl-0 = <&gpio_keys_default>; pinctrl-names = "default"; button-wps { label = "wps"; linux,code = ; gpios = <&tlmm 37 GPIO_ACTIVE_LOW>; debounce-interval = <60>; }; }; leds { compatible = "gpio-leds"; pinctrl-0 = <&gpio_leds_default>; pinctrl-names = "default"; led-0 { color = ; function = LED_FUNCTION_WLAN; gpios = <&tlmm 64 GPIO_ACTIVE_LOW>; linux,default-trigger = "phy0tx"; default-state = "off"; }; }; }; &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>; }; mp5496_l2: l2 { regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; regulator-always-on; regulator-boot-on; }; }; }; &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; }; gpio_keys_default: gpio-keys-default-state { pins = "gpio37"; function = "gpio"; drive-strength = <8>; bias-pull-up; }; gpio_leds_default: gpio-leds-default-state { pins = "gpio64"; function = "gpio"; drive-strength = <8>; bias-pull-up; }; }; &usb_0_dwc3 { dr_mode = "host"; }; &usb_0_qmpphy { vdda-pll-supply = <&mp5496_l2>; vdda-phy-supply = <®ulator_fixed_0p925>; status = "okay"; }; &usb_0_qusbphy { vdd-supply = <®ulator_fixed_0p925>; vdda-pll-supply = <&mp5496_l2>; vdda-phy-dpdm-supply = <®ulator_fixed_3p3>; status = "okay"; }; &usb3 { status = "okay"; }; &xo_board_clk { clock-frequency = <24000000>; };