125 lines
2.5 KiB
Devicetree
125 lines
2.5 KiB
Devicetree
// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
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/*
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* Copyright 2019-2025 TQ-Systems GmbH <linux@ew.tq-group.com>,
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* D-82229 Seefeld, Germany.
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* Author: Michael Krummsdorf
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* Author: Matthias Schiffer
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* Author: Alexander Stein
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*/
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#include "fsl-ls1028a.dtsi"
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/ {
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compatible = "tq,ls1028a-tqmls1028a", "fsl,ls1028a";
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reg_1p8v_som: regulator-1p8v-som {
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compatible = "regulator-fixed";
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regulator-name = "1P8V_SOM";
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <1800000>;
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regulator-always-on;
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};
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reg_3p3v_som: regulator-3p3v-som {
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compatible = "regulator-fixed";
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regulator-name = "3P3V_SOM";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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regulator-always-on;
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};
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thermal-zones {
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/*
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* TQMLS1028A uses an external temperature sensor
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* instead of TMU
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*/
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/delete-node/ ddr-controller;
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cluster-thermal {
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thermal-sensors = <&sa56004_4c 1>;
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};
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};
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};
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&esdhc1 {
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no-sdio;
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no-sd;
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non-removable;
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mmc-hs200-1_8v;
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mmc-hs400-1_8v;
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mmc-ddr-1_8v;
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bus-width = <8>;
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vmmc-supply = <®_3p3v_som>;
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vqmmc-supply = <®_1p8v_som>;
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status = "okay";
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};
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&fspi {
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status = "okay";
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flash@0 {
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compatible = "jedec,spi-nor";
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reg = <0>;
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spi-max-frequency = <100000000>;
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spi-tx-bus-width = <4>;
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spi-rx-bus-width = <4>;
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vcc-supply = <®_1p8v_som>;
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partitions {
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compatible = "fixed-partitions";
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#address-cells = <1>;
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#size-cells = <1>;
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};
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};
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};
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&i2c0 {
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clock-frequency = <400000>;
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status = "okay";
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js42_18: temperature-sensor@18 {
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compatible = "nxp,se97b", "jedec,jc-42.4-temp";
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reg = <0x18>;
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};
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sa56004_4c: temperature-sensor@4c {
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compatible = "nxp,sa56004";
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reg = <0x4c>;
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#thermal-sensor-cells = <1>;
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vcc-supply = <®_3p3v_som>;
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};
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se97_50: eeprom@50 {
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compatible = "nxp,se97b", "atmel,24c02";
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read-only;
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reg = <0x50>;
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pagesize = <16>;
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vcc-supply = <®_3p3v_som>;
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};
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rtc1: rtc@51 {
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compatible = "nxp,pcf85063a";
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reg = <0x51>;
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quartz-load-femtofarads = <12500>;
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};
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m24c256_57: eeprom@57 {
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compatible = "atmel,24c256";
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reg = <0x57>;
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pagesize = <32>;
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vcc-supply = <®_3p3v_som>;
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};
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};
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/*
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* We use a separate sensor IC to measure core temperature. Disable the TMU
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* as its driver can cause log spam outside of its measurement range (0-125C).
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*
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* Will have to be reevaluated if this DTS is ported to a mainline kernel,
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* as both sensors of the TMU are referenced by the default LS1028A
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* thermal-zones definitions there.
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*/
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&tmu {
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status = "disabled";
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};
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