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am437x-idk-evm.dts
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am437x-idk-evm.dts
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// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2014 Texas Instruments Incorporated - https://www.ti.com/
*/
/dts-v1/;
#include "am4372.dtsi"
#include <dt-bindings/pinctrl/am43xx.h>
#include <dt-bindings/pwm/pwm.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
/ {
model = "TI AM437x Industrial Development Kit";
compatible = "ti,am437x-idk-evm","ti,am4372","ti,am43";
chosen {
stdout-path = &uart0;
tick-timer = &timer2;
};
v24_0d: fixed-regulator-v24_0d {
compatible = "regulator-fixed";
regulator-name = "V24_0D";
regulator-min-microvolt = <24000000>;
regulator-max-microvolt = <24000000>;
regulator-always-on;
regulator-boot-on;
};
v3_3d: fixed-regulator-v3_3d {
compatible = "regulator-fixed";
regulator-name = "V3_3D";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
regulator-boot-on;
vin-supply = <&v24_0d>;
};
vdd_corereg: fixed-regulator-vdd_corereg {
compatible = "regulator-fixed";
regulator-name = "VDD_COREREG";
regulator-min-microvolt = <1100000>;
regulator-max-microvolt = <1100000>;
regulator-always-on;
regulator-boot-on;
vin-supply = <&v24_0d>;
};
vdd_core: fixed-regulator-vdd_core {
compatible = "regulator-fixed";
regulator-name = "VDD_CORE";
regulator-min-microvolt = <1100000>;
regulator-max-microvolt = <1100000>;
regulator-always-on;
regulator-boot-on;
vin-supply = <&vdd_corereg>;
};
v1_8dreg: fixed-regulator-v1_8dreg{
compatible = "regulator-fixed";
regulator-name = "V1_8DREG";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
regulator-boot-on;
vin-supply = <&v24_0d>;
};
v1_8d: fixed-regulator-v1_8d{
compatible = "regulator-fixed";
regulator-name = "V1_8D";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
regulator-boot-on;
vin-supply = <&v1_8dreg>;
};
v1_5dreg: fixed-regulator-v1_5dreg{
compatible = "regulator-fixed";
regulator-name = "V1_5DREG";
regulator-min-microvolt = <1500000>;
regulator-max-microvolt = <1500000>;
regulator-always-on;
regulator-boot-on;
vin-supply = <&v24_0d>;
};
v1_5d: fixed-regulator-v1_5d{
compatible = "regulator-fixed";
regulator-name = "V1_5D";
regulator-min-microvolt = <1500000>;
regulator-max-microvolt = <1500000>;
regulator-always-on;
regulator-boot-on;
vin-supply = <&v1_5dreg>;
};
gpio_keys: gpio_keys {
compatible = "gpio-keys";
pinctrl-names = "default";
pinctrl-0 = <&gpio_keys_pins_default>;
switch@0 {
label = "power-button";
linux,code = <KEY_POWER>;
gpios = <&gpio4 2 GPIO_ACTIVE_LOW>;
};
};
/* fixed 32k external oscillator clock */
clk_32k_rtc: clk_32k_rtc {
#clock-cells = <0>;
compatible = "fixed-clock";
clock-frequency = <32768>;
};
};
&am43xx_pinmux {
gpio_keys_pins_default: gpio_keys_pins_default {
pinctrl-single,pins = <
AM4372_IOPAD(0x9b8, PIN_INPUT | MUX_MODE7) /* cam0_field.gpio4_2 */
>;
};
i2c0_pins_default: i2c0_pins_default {
pinctrl-single,pins = <
AM4372_IOPAD(0x988, PIN_INPUT | SLEWCTRL_FAST | MUX_MODE0) /* i2c0_sda.i2c0_sda */
AM4372_IOPAD(0x98c, PIN_INPUT | SLEWCTRL_FAST | MUX_MODE0) /* i2c0_scl.i2c0_scl */
>;
};
i2c0_pins_sleep: i2c0_pins_sleep {
pinctrl-single,pins = <
AM4372_IOPAD(0x988, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM4372_IOPAD(0x98c, PIN_INPUT_PULLDOWN | MUX_MODE7)
>;
};
i2c2_pins_default: i2c2_pins_default {
pinctrl-single,pins = <
AM4372_IOPAD(0x9e8, PIN_INPUT | SLEWCTRL_FAST | MUX_MODE3) /* cam1_data1.i2c2_scl */
AM4372_IOPAD(0x9ec, PIN_INPUT | SLEWCTRL_FAST | MUX_MODE3) /* cam1_data0.i2c2_sda */
>;
};
i2c2_pins_sleep: i2c2_pins_sleep {
pinctrl-single,pins = <
AM4372_IOPAD(0x9e8, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM4372_IOPAD(0x9ec, PIN_INPUT_PULLDOWN | MUX_MODE7)
>;
};
mmc1_pins_default: pinmux_mmc1_pins_default {
pinctrl-single,pins = <
AM4372_IOPAD(0x900, PIN_INPUT | MUX_MODE0) /* mmc0_clk.mmc0_clk */
AM4372_IOPAD(0x904, PIN_INPUT | MUX_MODE0) /* mmc0_cmd.mmc0_cmd */
AM4372_IOPAD(0x9f0, PIN_INPUT | MUX_MODE0) /* mmc0_dat3.mmc0_dat3 */
AM4372_IOPAD(0x9f4, PIN_INPUT | MUX_MODE0) /* mmc0_dat2.mmc0_dat2 */
AM4372_IOPAD(0x9f8, PIN_INPUT | MUX_MODE0) /* mmc0_dat1.mmc0_dat1 */
AM4372_IOPAD(0x9fc, PIN_INPUT | MUX_MODE0) /* mmc0_dat0.mmc0_dat0 */
AM4372_IOPAD(0x960, PIN_INPUT | MUX_MODE7) /* spi0_cs1.gpio0_6 */
>;
};
mmc1_pins_sleep: pinmux_mmc1_pins_sleep {
pinctrl-single,pins = <
AM4372_IOPAD(0x900, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM4372_IOPAD(0x904, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM4372_IOPAD(0x9f0, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM4372_IOPAD(0x9f4, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM4372_IOPAD(0x9f8, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM4372_IOPAD(0x9fc, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM4372_IOPAD(0x960, PIN_INPUT_PULLDOWN | MUX_MODE7)
>;
};
ecap0_pins_default: backlight_pins_default {
pinctrl-single,pins = <
AM4372_IOPAD(0x964, PIN_OUTPUT | MUX_MODE0) /* ecap0_in_pwm0_out.ecap0_in_pwm0_out */
>;
};
cpsw_default: cpsw_default {
pinctrl-single,pins = <
AM4372_IOPAD(0x92c, PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* mii1_txclk.rgmii1_tclk */
AM4372_IOPAD(0x914, PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* mii1_txen.rgmii1_tctl */
AM4372_IOPAD(0x928, PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* mii1_txd0.rgmii1_td0 */
AM4372_IOPAD(0x924, PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* mii1_txd1.rgmii1_td1 */
AM4372_IOPAD(0x920, PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* mii1_txd0.rgmii1_td2 */
AM4372_IOPAD(0x91c, PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* mii1_txd1.rgmii1_td3 */
AM4372_IOPAD(0x930, PIN_INPUT_PULLDOWN | MUX_MODE2) /* mii1_rxclk.rmii1_rclk */
AM4372_IOPAD(0x918, PIN_INPUT_PULLDOWN | MUX_MODE2) /* mii1_rxdv.rgmii1_rctl */
AM4372_IOPAD(0x940, PIN_INPUT_PULLDOWN | MUX_MODE2) /* mii1_rxd0.rgmii1_rd0 */
AM4372_IOPAD(0x93c, PIN_INPUT_PULLDOWN | MUX_MODE2) /* mii1_rxd1.rgmii1_rd1 */
AM4372_IOPAD(0x938, PIN_INPUT_PULLDOWN | MUX_MODE2) /* mii1_rxd0.rgmii1_rd2 */
AM4372_IOPAD(0x934, PIN_INPUT_PULLDOWN | MUX_MODE2) /* mii1_rxd1.rgmii1_rd3 */
>;
};
cpsw_sleep: cpsw_sleep {
pinctrl-single,pins = <
AM4372_IOPAD(0x92c, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM4372_IOPAD(0x914, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM4372_IOPAD(0x928, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM4372_IOPAD(0x924, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM4372_IOPAD(0x920, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM4372_IOPAD(0x91c, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM4372_IOPAD(0x930, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM4372_IOPAD(0x918, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM4372_IOPAD(0x940, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM4372_IOPAD(0x93c, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM4372_IOPAD(0x938, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM4372_IOPAD(0x934, PIN_INPUT_PULLDOWN | MUX_MODE7)
>;
};
davinci_mdio_default: davinci_mdio_default {
pinctrl-single,pins = <
/* MDIO */
AM4372_IOPAD(0x948, PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE0) /* mdio_data.mdio_data */
AM4372_IOPAD(0x94c, PIN_OUTPUT_PULLUP | MUX_MODE0) /* mdio_clk.mdio_clk */
>;
};
davinci_mdio_sleep: davinci_mdio_sleep {
pinctrl-single,pins = <
/* MDIO reset value */
AM4372_IOPAD(0x948, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM4372_IOPAD(0x94c, PIN_INPUT_PULLDOWN | MUX_MODE7)
>;
};
qspi_pins_default: qspi_pins_default {
pinctrl-single,pins = <
AM4372_IOPAD(0x87c, PIN_OUTPUT_PULLUP | MUX_MODE3) /* gpmc_csn0.qspi_csn */
AM4372_IOPAD(0x888, PIN_OUTPUT | MUX_MODE2) /* gpmc_csn3.qspi_clk */
AM4372_IOPAD(0x890, PIN_INPUT_PULLUP | MUX_MODE3) /* gpmc_advn_ale.qspi_d0 */
AM4372_IOPAD(0x894, PIN_INPUT_PULLUP | MUX_MODE3) /* gpmc_oen_ren.qspi_d1 */
AM4372_IOPAD(0x898, PIN_INPUT_PULLUP | MUX_MODE3) /* gpmc_wen.qspi_d2 */
AM4372_IOPAD(0x89c, PIN_INPUT_PULLUP | MUX_MODE3) /* gpmc_be0n_cle.qspi_d3 */
>;
};
qspi_pins_sleep: qspi_pins_sleep{
pinctrl-single,pins = <
AM4372_IOPAD(0x87c, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM4372_IOPAD(0x888, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM4372_IOPAD(0x890, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM4372_IOPAD(0x894, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM4372_IOPAD(0x898, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM4372_IOPAD(0x89c, PIN_INPUT_PULLDOWN | MUX_MODE7)
>;
};
};
&i2c0 {
status = "okay";
pinctrl-names = "default", "sleep";
pinctrl-0 = <&i2c0_pins_default>;
pinctrl-1 = <&i2c0_pins_sleep>;
clock-frequency = <400000>;
at24@50 {
compatible = "at24,24c256";
pagesize = <64>;
reg = <0x50>;
};
tps: tps62362@60 {
compatible = "ti,tps62362";
reg = <0x60>;
regulator-name = "VDD_MPU";
regulator-min-microvolt = <950000>;
regulator-max-microvolt = <1330000>;
regulator-boot-on;
regulator-always-on;
ti,vsel0-state-high;
ti,vsel1-state-high;
vin-supply = <&v3_3d>;
};
};
&i2c2 {
status = "okay";
pinctrl-names = "default", "sleep";
pinctrl-0 = <&i2c2_pins_default>;
pinctrl-1 = <&i2c2_pins_sleep>;
clock-frequency = <100000>;
};
&epwmss0 {
status = "okay";
};
&ecap0 {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&ecap0_pins_default>;
};
&gpio0 {
status = "okay";
};
&gpio1 {
status = "okay";
};
&gpio4 {
status = "okay";
};
&gpio5 {
status = "okay";
};
&mmc1 {
status = "okay";
pinctrl-names = "default", "sleep";
pinctrl-0 = <&mmc1_pins_default>;
pinctrl-1 = <&mmc1_pins_sleep>;
vmmc-supply = <&v3_3d>;
bus-width = <4>;
cd-gpios = <&gpio0 6 GPIO_ACTIVE_LOW>;
};
&qspi {
status = "okay";
pinctrl-names = "default", "sleep";
pinctrl-0 = <&qspi_pins_default>;
pinctrl-1 = <&qspi_pins_sleep>;
spi-max-frequency = <48000000>;
m25p80@0 {
compatible = "mx66l51235l", "jedec,spi-nor";
spi-max-frequency = <48000000>;
reg = <0>;
spi-cpol;
spi-cpha;
spi-tx-bus-width = <1>;
spi-rx-bus-width = <4>;
#address-cells = <1>;
#size-cells = <1>;
/*
* MTD partition table. The ROM checks the first 512KiB for a
* valid file to boot(XIP).
*/
partition@0 {
label = "QSPI.U_BOOT";
reg = <0x00000000 0x000080000>;
};
partition@1 {
label = "QSPI.U_BOOT.backup";
reg = <0x00080000 0x00080000>;
};
partition@2 {
label = "QSPI.U-BOOT-SPL_OS";
reg = <0x00100000 0x00010000>;
};
partition@3 {
label = "QSPI.U_BOOT_ENV";
reg = <0x00110000 0x00010000>;
};
partition@4 {
label = "QSPI.U-BOOT-ENV.backup";
reg = <0x00120000 0x00010000>;
};
partition@5 {
label = "QSPI.KERNEL";
reg = <0x00130000 0x0800000>;
};
partition@6 {
label = "QSPI.FILESYSTEM";
reg = <0x00930000 0x36D0000>;
};
};
};
&mac {
slaves = <1>;
pinctrl-names = "default", "sleep";
pinctrl-0 = <&cpsw_default>;
pinctrl-1 = <&cpsw_sleep>;
status = "okay";
};
&davinci_mdio {
pinctrl-names = "default", "sleep";
pinctrl-0 = <&davinci_mdio_default>;
pinctrl-1 = <&davinci_mdio_sleep>;
status = "okay";
ethphy0: ethernet-phy@0 {
reg = <0>;
};
};
&cpsw_emac0 {
phy-handle = <ðphy0>;
phy-mode = "rgmii";
};
&rtc {
clocks = <&clk_32k_rtc>, <&clk_32768_ck>;
clock-names = "ext-clk", "int-clk";
status = "okay";
};
&wdt {
status = "okay";
};
&cpu {
cpu0-supply = <&tps>;
};