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// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2018 MOXA Inc. - https://www.moxa.com/
*
* Authors: SZ Lin (林上智) <sz.lin@moxa.com>
* Wes Huang (黃淵河) <wes.huang@moxa.com>
* Fero JD Zhou (周俊達) <FeroJD.Zhou@moxa.com>
*/
#include "am33xx.dtsi"
/ {
vbat: vbat-regulator {
compatible = "regulator-fixed";
};
/* Power supply provides a fixed 3.3V @3A */
vmmcsd_fixed: vmmcsd-regulator {
compatible = "regulator-fixed";
regulator-name = "vmmcsd_fixed";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
};
buttons: push_button {
compatible = "gpio-keys";
};
};
&am33xx_pinmux {
pinctrl-names = "default";
i2c0_pins: pinmux_i2c0_pins {
pinctrl-single,pins = <
AM33XX_IOPAD(0x988, PIN_INPUT_PULLUP | MUX_MODE0) /* i2c0_sda.i2c0_sda */
AM33XX_IOPAD(0x98c, PIN_INPUT_PULLUP | MUX_MODE0) /* i2c0_scl.i2c0_scl */
>;
};
push_button_pins: pinmux_push_button {
pinctrl-single,pins = <
AM33XX_IOPAD(0x8e4, PIN_INPUT_PULLDOWN | MUX_MODE7) /* lcd_hsync.gpio2_23 */
>;
};
uart0_pins: pinmux_uart0_pins {
pinctrl-single,pins = <
AM33XX_IOPAD(0x970, PIN_INPUT_PULLUP | MUX_MODE0) /* uart0_rxd.uart0_rxd */
AM33XX_IOPAD(0x974, PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* uart0_txd.uart0_txd */
>;
};
davinci_mdio_default: davinci_mdio_default {
pinctrl-single,pins = <
/* MDIO */
AM33XX_IOPAD(0x948, PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE0) /* mdio_data.mdio_data */
AM33XX_IOPAD(0x94c, PIN_OUTPUT_PULLUP | MUX_MODE0) /* mdio_clk.mdio_clk */
>;
};
mmc1_pins_default: pinmux_mmc1_pins {
pinctrl-single,pins = <
/* eMMC */
AM33XX_IOPAD(0x800, PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad12.mmc1_dat0 */
AM33XX_IOPAD(0x804, PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad13.mmc1_dat1 */
AM33XX_IOPAD(0x808, PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad14.mmc1_dat2 */
AM33XX_IOPAD(0x80c, PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad15.mmc1_dat3 */
AM33XX_IOPAD(0x810, PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad8.mmc1_dat4 */
AM33XX_IOPAD(0x814, PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad9.mmc1_dat5 */
AM33XX_IOPAD(0x818, PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad10.mmc1_dat6 */
AM33XX_IOPAD(0x81c, PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad11.mmc1_dat7 */
AM33XX_IOPAD(0x884, PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_csn2.mmc1_cmd */
AM33XX_IOPAD(0x880, PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_csn1.mmc1_clk */
>;
};
spi0_pins: pinmux_spi0 {
pinctrl-single,pins = <
AM33XX_IOPAD(0x950, PIN_INPUT_PULLUP | MUX_MODE0) /* spi0_sclk.spi0_sclk */
AM33XX_IOPAD(0x95c, PIN_INPUT_PULLUP | MUX_MODE0) /* spi0_cs0.spi0_cs0 */
AM33XX_IOPAD(0x954, PIN_INPUT_PULLUP | MUX_MODE0) /* spi0_d0.spi0_d0 */
AM33XX_IOPAD(0x958, PIN_INPUT_PULLUP | MUX_MODE0) /* spi0_d1.spi0_d1 */
>;
};
};
&uart0 {
/* Console */
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&uart0_pins>;
};
&i2c0 {
pinctrl-names = "default";
pinctrl-0 = <&i2c0_pins>;
status = "okay";
clock-frequency = <400000>;
eeprom: eeprom@50 {
compatible = "atmel,24c16";
pagesize = <16>;
reg = <0x50>;
};
rtc_wdt: rtc_wdt@68 {
compatible = "dallas,ds1374";
reg = <0x68>;
};
};
&usb {
status = "okay";
};
&usb_ctrl_mod {
status = "okay";
};
&usb0_phy {
status = "okay";
};
&usb0 {
status = "okay";
dr_mode = "host";
};
&cppi41dma {
status = "okay";
};
/* Power */
&vbat {
regulator-name = "vbat";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
};
&mac {
pinctrl-names = "default";
pinctrl-0 = <&cpsw_default>;
status = "okay";
};
&davinci_mdio {
pinctrl-names = "default";
pinctrl-0 = <&davinci_mdio_default>;
status = "okay";
};
&cpsw_emac0 {
status = "okay";
};
&cpsw_emac1 {
status = "okay";
};
&sham {
status = "okay";
};
&aes {
status = "okay";
};
&gpio0 {
ti,no-reset-on-init;
};
&mmc2 {
pinctrl-names = "default";
vmmc-supply = <&vmmcsd_fixed>;
bus-width = <8>;
pinctrl-0 = <&mmc1_pins_default>;
ti,non-removable;
status = "okay";
};
&buttons {
pinctrl-names = "default";
pinctrl-0 = <&push_button_pins>;
#address-cells = <1>;
#size-cells = <0>;
button@0 {
label = "push_button";
linux,code = <0x100>;
gpios = <&gpio2 23 GPIO_ACTIVE_LOW>;
};
};
/* SPI Busses */
&spi0 {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&spi0_pins>;
m25p80@0 {
compatible = "mx25l6405d";
spi-max-frequency = <40000000>;
reg = <0>;
spi-cpol;
spi-cpha;
partitions {
compatible = "fixed-partitions";
#address-cells = <1>;
#size-cells = <1>;
/* reg : The partition's offset and size within the mtd bank. */
partitions@0 {
label = "MLO";
reg = <0x0 0x80000>;
};
partitions@1 {
label = "U-Boot";
reg = <0x80000 0x100000>;
};
partitions@2 {
label = "U-Boot Env";
reg = <0x180000 0x40000>;
};
};
};
};
&spi1 {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&spi1_pins>;
tpm_spi_tis@0 {
compatible = "tcg,tpm_tis-spi";
reg = <0>;
spi-max-frequency = <500000>;
};
};
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