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