am335x-draco.dts
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/*
* Support for Siemens DRACO board
*
* Copyright (C) 2014 - Lukas Stockmann <lukas.stockmann@siemens.com>
*
* This file is licensed under the terms of the GNU General Public License
* version 2. This program is licensed "as is" without any warranty of any
* kind, whether express or implied.
*/
/dts-v1/;
#include "am33xx.dtsi"
#include "am335x-draco.dtsi"
#include <dt-bindings/input/input.h>
/ {
model = "Siemens DRACO";
compatible = "siemens,draco", "ti,am33xx";
/* ethernet alias is needed for the MAC address passing from U-Boot */
aliases {
ethernet0 = &cpsw_emac0;
mdio-gpio0 = &mdio0;
};
gpio-keys {
compatible = "gpio-keys";
button0 {
label = "button0";
gpios = <&gpio0 27 GPIO_ACTIVE_LOW>;
linux,code = <KEY_F1>; /* button0 */
};
button1 {
label = "button1";
gpios = <&gpio2 23 GPIO_ACTIVE_LOW>;
linux,code = <KEY_F2>; /* button1 */
};
};
ocp {
debugss: debugss@4b000000 {
compatible = "ti,debugss";
ti,hwmods = "debugss";
reg = <0x4b000000 1000000>;
status = "disabled";
};
};
};
&am33xx_pinmux {
pinctrl-names = "default";
pinctrl-0 = <&gpio_mux_pins>;
gpio_mux_pins: gpio_mux_pins {
pinctrl-single,pins = <
0x1d0 (PIN_INPUT | MUX_MODE0) /* tms jtag */
0x1d4 (PIN_INPUT | MUX_MODE0) /* tdi jtag */
0x1d8 (PIN_OUTPUT | MUX_MODE0) /* tdo jtag */
0x1dc (PIN_INPUT | MUX_MODE0) /* tck jtag */
0x1e0 (PIN_INPUT | MUX_MODE0) /* trstn jtag */
>;
};
cpsw_default: cpsw_default {
pinctrl-single,pins = <
0x0E8 (PIN_INPUT_PULLUP | MUX_MODE7) /* lcd_plck FIX STO should be a OUTPUT driven high*/
0x10c (PIN_INPUT_PULLDOWN | MUX_MODE1) /* mii1_crs.rmii1_crs_dv */
0x114 (PIN_OUTPUT | MUX_MODE1) /* mii1_txen.mii1_txen */
0x124 (PIN_OUTPUT | MUX_MODE1) /* mii1_txd1.mii1_txd1 */
0x128 (PIN_OUTPUT | MUX_MODE1) /* mii1_txd0.mii1_txd0 */
0x13c (PIN_INPUT_PULLDOWN | MUX_MODE1) /* mii1_rxd1.mii1_rxd1 */
0x140 (PIN_INPUT_PULLDOWN | MUX_MODE1) /* mii1_rxd0.mii1_rxd0 */
0x144 (PIN_INPUT_PULLDOWN | MUX_MODE0) /* rmii1_refclk.rmii1_refclk */
>;
};
cpsw_sleep: cpsw_sleep {
pinctrl-single,pins = <
0x10c (PIN_INPUT_PULLDOWN | MUX_MODE7)
0x114 (PIN_INPUT_PULLDOWN | MUX_MODE7)
0x124 (PIN_INPUT_PULLDOWN | MUX_MODE7)
0x128 (PIN_INPUT_PULLDOWN | MUX_MODE7)
0x13c (PIN_INPUT_PULLDOWN | MUX_MODE7)
0x140 (PIN_INPUT_PULLDOWN | MUX_MODE7)
0x144 (PIN_INPUT_PULLDOWN | MUX_MODE7)
>;
};
davinci_mdio_default: davinci_mdio_default {
pinctrl-single,pins = <
/* MDIO */
0x148 (PIN_INPUT | SLEWCTRL_FAST | MUX_MODE0) /* mdio_data.mdio_data */
0x14c (PIN_OUTPUT | MUX_MODE0) /* mdio_clk.mdio_clk */
>;
};
davinci_mdio_sleep: davinci_mdio_sleep {
pinctrl-single,pins = <
/* MDIO reset value */
0x148 (PIN_INPUT_PULLDOWN | MUX_MODE7)
0x14c (PIN_INPUT_PULLDOWN | MUX_MODE7)
>;
};
gpio_mdio_default: gpio_mdio_default {
pinctrl-single,pins = <
/* MDIO via GPIO */
0x148 (PIN_INPUT | MUX_MODE7) /* mdio_data.mdio_data GPIO0_0 */
0x14c (PIN_OUTPUT | MUX_MODE7) /* mdio_clk.mdio_clk GPIO0_1 */
>;
};
};
&mac {
pinctrl-names = "default", "sleep";
pinctrl-0 = <&cpsw_default>;
pinctrl-1 = <&cpsw_sleep>;
slaves = <1>; /* use only one emac if */
mdio0: gpio {
compatible = "virtual,mdio-gpio";
pinctrl-names = "default";
pinctrl-0 = <&gpio_mdio_default>;
#address-cells = <1>;
#size-cells = <0>;
gpios = <&gpio0 1 GPIO_ACTIVE_HIGH /* MDIO-CLK */
&gpio0 0 GPIO_ACTIVE_HIGH>; /* MDIO-DATA */
phy0: ethernet-phy@1 {
reg = <0>;
};
};
};
/* Disable davinci/am335x mdio interface on this platform */
&davinci_mdio {
pinctrl-names = "default", "sleep";
pinctrl-0 = <&davinci_mdio_default>;
pinctrl-1 = <&davinci_mdio_sleep>;
status = "disabled";
};
&cpsw_emac0 {
phy_id = <&mdio0>, <0>;
phy-mode = "rmii";
};
&phy_sel {
rmii-clock-ext;
};