1/* 2 * Support for Siemens DRACO board 3 * 4 * Copyright (C) 2014 - Lukas Stockmann <lukas.stockmann@siemens.com> 5 * 6 * This file is licensed under the terms of the GNU General Public License 7 * version 2. This program is licensed "as is" without any warranty of any 8 * kind, whether express or implied. 9 */ 10 11/dts-v1/; 12 13#include "am33xx.dtsi" 14#include "am335x-draco.dtsi" 15#include <dt-bindings/input/input.h> 16 17/ { 18 model = "Siemens DRACO"; 19 compatible = "siemens,draco", "ti,am33xx"; 20 21 /* ethernet alias is needed for the MAC address passing from U-Boot */ 22 aliases { 23 ethernet0 = &cpsw_emac0; 24 mdio-gpio0 = &mdio0; 25 }; 26 27 gpio-keys { 28 compatible = "gpio-keys"; 29 button0 { 30 label = "button0"; 31 gpios = <&gpio0 27 GPIO_ACTIVE_LOW>; 32 linux,code = <KEY_F1>; /* button0 */ 33 }; 34 button1 { 35 label = "button1"; 36 gpios = <&gpio2 23 GPIO_ACTIVE_LOW>; 37 linux,code = <KEY_F2>; /* button1 */ 38 }; 39 }; 40 41 ocp { 42 debugss: debugss@4b000000 { 43 compatible = "ti,debugss"; 44 ti,hwmods = "debugss"; 45 reg = <0x4b000000 1000000>; 46 status = "disabled"; 47 }; 48 }; 49}; 50 51&am33xx_pinmux { 52 pinctrl-names = "default"; 53 pinctrl-0 = <&gpio_mux_pins>; 54 55 gpio_mux_pins: gpio_mux_pins { 56 pinctrl-single,pins = < 57 0x1d0 (PIN_INPUT | MUX_MODE0) /* tms jtag */ 58 0x1d4 (PIN_INPUT | MUX_MODE0) /* tdi jtag */ 59 0x1d8 (PIN_OUTPUT | MUX_MODE0) /* tdo jtag */ 60 0x1dc (PIN_INPUT | MUX_MODE0) /* tck jtag */ 61 0x1e0 (PIN_INPUT | MUX_MODE0) /* trstn jtag */ 62 >; 63 }; 64 65 cpsw_default: cpsw_default { 66 pinctrl-single,pins = < 67 0x0E8 (PIN_INPUT_PULLUP | MUX_MODE7) /* lcd_plck FIX STO should be a OUTPUT driven high*/ 68 0x10c (PIN_INPUT_PULLDOWN | MUX_MODE1) /* mii1_crs.rmii1_crs_dv */ 69 0x114 (PIN_OUTPUT | MUX_MODE1) /* mii1_txen.mii1_txen */ 70 0x124 (PIN_OUTPUT | MUX_MODE1) /* mii1_txd1.mii1_txd1 */ 71 0x128 (PIN_OUTPUT | MUX_MODE1) /* mii1_txd0.mii1_txd0 */ 72 0x13c (PIN_INPUT_PULLDOWN | MUX_MODE1) /* mii1_rxd1.mii1_rxd1 */ 73 0x140 (PIN_INPUT_PULLDOWN | MUX_MODE1) /* mii1_rxd0.mii1_rxd0 */ 74 0x144 (PIN_INPUT_PULLDOWN | MUX_MODE0) /* rmii1_refclk.rmii1_refclk */ 75 >; 76 }; 77 78 cpsw_sleep: cpsw_sleep { 79 pinctrl-single,pins = < 80 0x10c (PIN_INPUT_PULLDOWN | MUX_MODE7) 81 0x114 (PIN_INPUT_PULLDOWN | MUX_MODE7) 82 0x124 (PIN_INPUT_PULLDOWN | MUX_MODE7) 83 0x128 (PIN_INPUT_PULLDOWN | MUX_MODE7) 84 0x13c (PIN_INPUT_PULLDOWN | MUX_MODE7) 85 0x140 (PIN_INPUT_PULLDOWN | MUX_MODE7) 86 0x144 (PIN_INPUT_PULLDOWN | MUX_MODE7) 87 >; 88 }; 89 90 davinci_mdio_default: davinci_mdio_default { 91 pinctrl-single,pins = < 92 /* MDIO */ 93 0x148 (PIN_INPUT | SLEWCTRL_FAST | MUX_MODE0) /* mdio_data.mdio_data */ 94 0x14c (PIN_OUTPUT | MUX_MODE0) /* mdio_clk.mdio_clk */ 95 >; 96 }; 97 98 davinci_mdio_sleep: davinci_mdio_sleep { 99 pinctrl-single,pins = < 100 /* MDIO reset value */ 101 0x148 (PIN_INPUT_PULLDOWN | MUX_MODE7) 102 0x14c (PIN_INPUT_PULLDOWN | MUX_MODE7) 103 >; 104 }; 105 106 gpio_mdio_default: gpio_mdio_default { 107 pinctrl-single,pins = < 108 /* MDIO via GPIO */ 109 0x148 (PIN_INPUT | MUX_MODE7) /* mdio_data.mdio_data GPIO0_0 */ 110 0x14c (PIN_OUTPUT | MUX_MODE7) /* mdio_clk.mdio_clk GPIO0_1 */ 111 >; 112 }; 113}; 114 115&mac { 116 pinctrl-names = "default", "sleep"; 117 pinctrl-0 = <&cpsw_default>; 118 pinctrl-1 = <&cpsw_sleep>; 119 slaves = <1>; /* use only one emac if */ 120 121 mdio0: gpio { 122 compatible = "virtual,mdio-gpio"; 123 pinctrl-names = "default"; 124 pinctrl-0 = <&gpio_mdio_default>; 125 126 #address-cells = <1>; 127 #size-cells = <0>; 128 gpios = <&gpio0 1 GPIO_ACTIVE_HIGH /* MDIO-CLK */ 129 &gpio0 0 GPIO_ACTIVE_HIGH>; /* MDIO-DATA */ 130 131 phy0: ethernet-phy@1 { 132 reg = <0>; 133 }; 134 }; 135}; 136 137/* Disable davinci/am335x mdio interface on this platform */ 138&davinci_mdio { 139 pinctrl-names = "default", "sleep"; 140 pinctrl-0 = <&davinci_mdio_default>; 141 pinctrl-1 = <&davinci_mdio_sleep>; 142 status = "disabled"; 143}; 144 145&cpsw_emac0 { 146 phy_id = <&mdio0>, <0>; 147 phy-mode = "rmii"; 148}; 149 150&phy_sel { 151 rmii-clock-ext; 152}; 153