189 lines
3.8 KiB
Devicetree
189 lines
3.8 KiB
Devicetree
// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
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/*
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* USB armory MkI device tree file
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* https://inversepath.com/usbarmory
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*
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* Copyright (C) 2015, Inverse Path
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* Andrej Rosano <andrej@inversepath.com>
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*/
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/dts-v1/;
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#include "imx53.dtsi"
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/ {
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model = "Inverse Path USB armory";
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compatible = "inversepath,imx53-usbarmory", "fsl,imx53";
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};
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/ {
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chosen {
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stdout-path = &uart1;
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};
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memory@70000000 {
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device_type = "memory";
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reg = <0x70000000 0x20000000>;
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};
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leds {
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compatible = "gpio-leds";
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_led>;
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led-user {
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label = "LED";
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gpios = <&gpio4 27 GPIO_ACTIVE_LOW>;
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linux,default-trigger = "heartbeat";
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};
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};
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};
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/*
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* Not every i.MX53 P/N supports clock > 800MHz.
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* As USB armory does not mount a specific P/N set a safe clock upper limit.
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*/
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&cpu0 {
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operating-points = <
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/* kHz */
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166666 850000
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400000 900000
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800000 1050000
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>;
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};
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&esdhc1 {
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_esdhc1>;
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status = "okay";
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};
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&iomuxc {
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pinctrl_esdhc1: esdhc1grp {
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fsl,pins = <
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MX53_PAD_SD1_DATA0__ESDHC1_DAT0 0x1d5
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MX53_PAD_SD1_DATA1__ESDHC1_DAT1 0x1d5
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MX53_PAD_SD1_DATA2__ESDHC1_DAT2 0x1d5
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MX53_PAD_SD1_DATA3__ESDHC1_DAT3 0x1d5
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MX53_PAD_SD1_CMD__ESDHC1_CMD 0x1d5
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MX53_PAD_SD1_CLK__ESDHC1_CLK 0x1d5
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>;
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};
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pinctrl_i2c1_pmic: i2c1grp {
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fsl,pins = <
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MX53_PAD_EIM_D21__I2C1_SCL 0x80
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MX53_PAD_EIM_D28__I2C1_SDA 0x80
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>;
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};
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pinctrl_led: ledgrp {
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fsl,pins = <
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MX53_PAD_DISP0_DAT6__GPIO4_27 0x1e4
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>;
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};
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/*
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* UART mode pin header configuration
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* 3 - GPIO5[26], pull-down 100K
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* 4 - GPIO5[27], pull-down 100K
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* 5 - TX, pull-up 100K
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* 6 - RX, pull-up 100K
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* 7 - GPIO5[30], pull-down 100K
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*/
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pinctrl_uart1: uart1grp {
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fsl,pins = <
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MX53_PAD_CSI0_DAT8__GPIO5_26 0xc0
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MX53_PAD_CSI0_DAT9__GPIO5_27 0xc0
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MX53_PAD_CSI0_DAT10__UART1_TXD_MUX 0x1e4
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MX53_PAD_CSI0_DAT11__UART1_RXD_MUX 0x1e4
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MX53_PAD_CSI0_DAT12__GPIO5_30 0xc0
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>;
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};
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};
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&i2c1 {
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pinctrl-0 = <&pinctrl_i2c1_pmic>;
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status = "okay";
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ltc3589: pmic@34 {
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compatible = "lltc,ltc3589-2";
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reg = <0x34>;
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regulators {
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sw1_reg: sw1 {
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regulator-min-microvolt = <591930>;
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regulator-max-microvolt = <1224671>;
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lltc,fb-voltage-divider = <100000 158000>;
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regulator-ramp-delay = <7000>;
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regulator-boot-on;
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regulator-always-on;
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};
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sw2_reg: sw2 {
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regulator-min-microvolt = <704123>;
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regulator-max-microvolt = <1456803>;
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lltc,fb-voltage-divider = <180000 191000>;
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regulator-ramp-delay = <7000>;
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regulator-boot-on;
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regulator-always-on;
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};
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sw3_reg: sw3 {
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regulator-min-microvolt = <1341250>;
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regulator-max-microvolt = <2775000>;
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lltc,fb-voltage-divider = <270000 100000>;
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regulator-ramp-delay = <7000>;
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regulator-boot-on;
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regulator-always-on;
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};
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bb_out_reg: bb-out {
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regulator-min-microvolt = <3387341>;
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regulator-max-microvolt = <3387341>;
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lltc,fb-voltage-divider = <511000 158000>;
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regulator-boot-on;
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regulator-always-on;
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};
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ldo1_reg: ldo1 {
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regulator-min-microvolt = <1306329>;
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regulator-max-microvolt = <1306329>;
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lltc,fb-voltage-divider = <100000 158000>;
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regulator-boot-on;
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regulator-always-on;
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};
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ldo2_reg: ldo2 {
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regulator-min-microvolt = <704123>;
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regulator-max-microvolt = <1456806>;
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lltc,fb-voltage-divider = <180000 191000>;
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regulator-ramp-delay = <7000>;
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regulator-boot-on;
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regulator-always-on;
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};
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ldo3_reg: ldo3 {
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regulator-min-microvolt = <2800000>;
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regulator-max-microvolt = <2800000>;
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regulator-boot-on;
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};
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ldo4_reg: ldo4 {
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regulator-min-microvolt = <1200000>;
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regulator-max-microvolt = <3200000>;
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};
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};
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};
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};
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&uart1 {
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_uart1>;
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status = "okay";
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};
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&usbotg {
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dr_mode = "peripheral";
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status = "okay";
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};
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