// SPDX-License-Identifier: GPL-2.0+
//
// Copyright 2023 Linaro Ltd.
/dts-v1/;
#include "imx53.dtsi"
/ {
model = "StarterKit SK-iMX53 Board";
compatible = "starterkit,sk-imx53", "fsl,imx53";
aliases {
/*
* iMX RTC is not battery powered on this board.
* Use the i2c RTC as rtc0.
*/
rtc0 = &rtc;
rtc1 = &srtc;
};
chosen {
stdout-path = &uart1;
};
memory@70000000 {
device_type = "memory";
/* v2 had only 256 MB, v3 has 512 MB */
reg = <0x70000000 0x20000000>;
};
reg_usb1_vbus: regulator-usb-vbus {
compatible = "regulator-fixed";
regulator-name = "usb_vbus";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
gpio = <&gpio2 29 GPIO_ACTIVE_HIGH>;
enable-active-high;
};
reg_usb_otg_vbus: regulator-otg-vbus {
compatible = "regulator-fixed";
regulator-name = "usb_vbus";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
gpio = <&gpio2 24 GPIO_ACTIVE_HIGH>;
enable-active-high;
};
};
&audmux {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_audmux>;
status = "okay";
};
&can1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_can1>;
status = "okay";
};
&cpu0 {
/* CPU rated to 800 MHz, not the default 1.2GHz. */
operating-points = <
/* kHz uV */
166666 850000
400000 900000
800000 1050000
>;
};
&ecspi1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_ecspi1>;
cs-gpios = <&gpio3 23 GPIO_ACTIVE_LOW>;
status = "okay";
};
&ecspi2 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_ecspi2>;
cs-gpios = <&gpio2 27 GPIO_ACTIVE_LOW>;
status = "okay";
};
&esdhc1 {
cd-gpios = <&gpio3 14 GPIO_ACTIVE_LOW>;
fsl,wp-controller;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_esdhc1>;
status = "okay";
};
&fec {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_fec>;
phy-mode = "rmii";
phy-handle = <&phy0>;
mac-address = [000000000000]; /* placeholder; will be overwritten by bootloader */
status = "okay";
mdio {
#address-cells = <1>;
#size-cells = <0>;
phy0: ethernet-phy@0 {
reg = <0>;
reset-gpios = <&gpio1 1 GPIO_ACTIVE_LOW>;
};
};
};
&i2c1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c1>;
status = "okay";
};
&i2c2 {
pinctrl-names = "default", "gpio";
pinctrl-0 = <&pinctrl_i2c2>;
pinctrl-1 = <&pinctrl_i2c2_gpio>;
sda-gpios = <&gpio4 13 GPIO_ACTIVE_HIGH>;
scl-gpios = <&gpio2 30 GPIO_ACTIVE_HIGH>;
status = "okay";
tlv320aic23: codec@1a {
compatible = "ti,tlv320aic23";
reg = <0x1a>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_codec>;
#sound-dai-cells = <0>;
};
rtc: rtc@68 {
compatible = "dallas,ds1338";
reg = <0x68>;
};
};
&iomuxc {
pinctrl_audmux: audmuxgrp {
fsl,pins = <
MX53_PAD_SD2_DATA3__AUDMUX_AUD4_TXC 0x1e4
MX53_PAD_SD2_DATA2__AUDMUX_AUD4_TXD 0x1e4
MX53_PAD_SD2_DATA1__AUDMUX_AUD4_TXFS 0x1e4
MX53_PAD_SD2_DATA0__AUDMUX_AUD4_RXD 0x1e4
>;
};
pinctrl_can1: can1grp {
fsl,pins = <
MX53_PAD_PATA_INTRQ__CAN1_TXCAN 0x1e4
MX53_PAD_PATA_DIOR__CAN1_RXCAN 0x1e4
>;
};
pinctrl_codec: codecgrp {
fsl,pins = <
MX53_PAD_GPIO_0__CCM_SSI_EXT1_CLK 0x1c4
>;
};
pinctrl_ecspi1: ecspi1grp {
fsl,pins = <
MX53_PAD_EIM_D16__ECSPI1_SCLK 0x1e4
MX53_PAD_EIM_D17__ECSPI1_MISO 0x1e4
MX53_PAD_EIM_D18__ECSPI1_MOSI 0x1e4
>;
};
pinctrl_ecspi2: ecspi2grp {
fsl,pins = <
MX53_PAD_CSI0_DAT9__ECSPI2_MOSI 0x1e4
MX53_PAD_CSI0_DAT10__ECSPI2_MISO 0x1e4
MX53_PAD_EIM_CS0__ECSPI2_SCLK 0x1e4
>;
};
pinctrl_esdhc1: esdhc1grp {
fsl,pins = <
MX53_PAD_SD1_DATA0__ESDHC1_DAT0 0x1d5
MX53_PAD_SD1_DATA1__ESDHC1_DAT1 0x1d5
MX53_PAD_SD1_DATA2__ESDHC1_DAT2 0x1d5
MX53_PAD_SD1_DATA3__ESDHC1_DAT3 0x1d5
MX53_PAD_SD1_CMD__ESDHC1_CMD 0x1d5
MX53_PAD_SD1_CLK__ESDHC1_CLK 0x1d5
MX53_PAD_EIM_DA14__GPIO3_14 0x1f0
>;
};
pinctrl_fec: fecgrp {
fsl,pins = <
MX53_PAD_FEC_MDC__FEC_MDC 0x1e4
MX53_PAD_FEC_MDIO__FEC_MDIO 0x1e4
MX53_PAD_FEC_REF_CLK__FEC_TX_CLK 0x1e4
MX53_PAD_FEC_RX_ER__FEC_RX_ER 0x1e4
MX53_PAD_FEC_CRS_DV__FEC_RX_DV 0x1e4
MX53_PAD_FEC_RXD1__FEC_RDATA_1 0x1e4
MX53_PAD_FEC_RXD0__FEC_RDATA_0 0x1e4
MX53_PAD_FEC_TX_EN__FEC_TX_EN 0x1c4
MX53_PAD_FEC_TXD1__FEC_TDATA_1 0x1e4
MX53_PAD_FEC_TXD0__FEC_TDATA_0 0x1e4
MX53_PAD_GPIO_1__GPIO1_1 0x1c4
>;
};
pinctrl_i2c1: i2c1grp {
fsl,pins = <
MX53_PAD_EIM_D21__I2C1_SCL 0x400001e4
MX53_PAD_EIM_D28__I2C1_SDA 0x400001e4
>;
};
pinctrl_i2c2: i2c2grp {
fsl,pins = <
MX53_PAD_KEY_ROW3__I2C2_SDA 0x400001e4
MX53_PAD_EIM_EB2__I2C2_SCL 0x400001e4
>;
};
pinctrl_i2c2_gpio: i2c2gpiogrp {
fsl,pins = <
MX53_PAD_KEY_ROW3__GPIO4_13 0x1e4
MX53_PAD_EIM_EB2__GPIO2_30 0x1e4
>;
};
pinctrl_nand: nandgrp {
fsl,pins = <
MX53_PAD_NANDF_WE_B__EMI_NANDF_WE_B 0x4
MX53_PAD_NANDF_RE_B__EMI_NANDF_RE_B 0x4
MX53_PAD_NANDF_CLE__EMI_NANDF_CLE 0x4
MX53_PAD_NANDF_ALE__EMI_NANDF_ALE 0x4
MX53_PAD_NANDF_WP_B__EMI_NANDF_WP_B 0xe0
MX53_PAD_NANDF_RB0__EMI_NANDF_RB_0 0xe0
MX53_PAD_NANDF_CS0__EMI_NANDF_CS_0 0x4
MX53_PAD_NANDF_CS1__EMI_NANDF_CS_1 0x4
MX53_PAD_NANDF_CS2__EMI_NANDF_CS_2 0x4
MX53_PAD_NANDF_CS3__EMI_NANDF_CS_3 0x4
MX53_PAD_EIM_DA0__EMI_NAND_WEIM_DA_0 0xa4
MX53_PAD_EIM_DA1__EMI_NAND_WEIM_DA_1 0xa4
MX53_PAD_EIM_DA2__EMI_NAND_WEIM_DA_2 0xa4
MX53_PAD_EIM_DA3__EMI_NAND_WEIM_DA_3 0xa4
MX53_PAD_EIM_DA4__EMI_NAND_WEIM_DA_4 0xa4
MX53_PAD_EIM_DA5__EMI_NAND_WEIM_DA_5 0xa4
MX53_PAD_EIM_DA6__EMI_NAND_WEIM_DA_6 0xa4
MX53_PAD_EIM_DA7__EMI_NAND_WEIM_DA_7 0xa4
>;
};
pinctrl_pwm1: pwm1grp {
fsl,pins = <
MX53_PAD_GPIO_9__PWM1_PWMO 0x5
>;
};
pinctrl_uart1: uart1grp {
fsl,pins = <
MX53_PAD_PATA_DIOW__UART1_TXD_MUX 0x1e4
MX53_PAD_PATA_DMACK__UART1_RXD_MUX 0x1e4
>;
};
pinctrl_uart3: uart3grp {
fsl,pins = <
MX53_PAD_EIM_D24__UART3_TXD_MUX 0x1e4
MX53_PAD_EIM_D25__UART3_RXD_MUX 0x1e4
>;
};
pinctrl_uart4: uart4grp {
fsl,pins = <
MX53_PAD_KEY_COL0__UART4_TXD_MUX 0x1e4
MX53_PAD_KEY_ROW0__UART4_RXD_MUX 0x1e4
>;
};
};
&nfc {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_nand>;
nand-bus-width = <8>;
status = "okay";
partitions {
compatible = "fixed-partitions";
#address-cells = <1>;
#size-cells = <1>;
partition@0 {
label = "boot";
reg = <0x00000000 0x00100000>;
read-only;
};
partition@100000 {
label = "u-boot";
reg = <0x00100000 0x00100000>;
read-only;
};
partition@200000 {
label = "u-boot-env";
reg = <0x00200000 0x00100000>;
read-only;
};
partition@1000000 {
label = "kernel-safe";
reg = <0x01000000 0x00a00000>;
read-only;
};
partition@1a00000 {
label = "kernel";
reg = <0x01a00000 0x005e0000>;
};
partition@2000000 {
label = "ubifs";
reg = <0x02000000 0x0e000000>;
};
};
};
&pwm1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_pwm1>;
status = "okay";
};
&sata {
status = "okay";
};
&uart1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart1>;
status = "okay";
};
&uart3 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart3>;
status = "okay";
};
&uart4 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart4>;
status = "okay";
};
&usbh1 {
vbus-supply = <®_usb1_vbus>;
phy_type = "utmi";
disable-over-current;
status = "okay";
};
&usbotg {
dr_mode = "peripheral";
disable-over-current;
status = "okay";
};