1/*
  2 * Copyright (C) 2013,2014 Russell King
  3 *
  4 * This file is dual-licensed: you can use it either under the terms
  5 * of the GPL or the X11 license, at your option. Note that this dual
  6 * licensing only applies to this file, and not this project as a
  7 * whole.
  8 *
  9 *  a) This file is free software; you can redistribute it and/or
 10 *     modify it under the terms of the GNU General Public License
 11 *     version 2 as published by the Free Software Foundation.
 12 *
 13 *     This file is distributed in the hope that it will be useful,
 14 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 15 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 16 *     GNU General Public License for more details.
 17 *
 18 * Or, alternatively,
 19 *
 20 *  b) Permission is hereby granted, free of charge, to any person
 21 *     obtaining a copy of this software and associated documentation
 22 *     files (the "Software"), to deal in the Software without
 23 *     restriction, including without limitation the rights to use,
 24 *     copy, modify, merge, publish, distribute, sublicense, and/or
 25 *     sell copies of the Software, and to permit persons to whom the
 26 *     Software is furnished to do so, subject to the following
 27 *     conditions:
 28 *
 29 *     The above copyright notice and this permission notice shall be
 30 *     included in all copies or substantial portions of the Software.
 31 *
 32 *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 33 *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 34 *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 35 *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 36 *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 37 *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 38 *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 39 *     OTHER DEALINGS IN THE SOFTWARE.
 40 */
 41#include <dt-bindings/gpio/gpio.h>
 42
 43/ {
 44	vcc_3v3: regulator-vcc-3v3 {
 45		compatible = "regulator-fixed";
 46		regulator-always-on;
 47		regulator-name = "vcc_3v3";
 48		regulator-min-microvolt = <3300000>;
 49		regulator-max-microvolt = <3300000>;
 50	};
 51};
 52
 53&fec {
 54	pinctrl-names = "default";
 55	pinctrl-0 = <&pinctrl_microsom_enet_ar8035>;
 56	phy-mode = "rgmii";
 57	phy-reset-duration = <2>;
 58	phy-reset-gpios = <&gpio4 15 GPIO_ACTIVE_LOW>;
 59	status = "okay";
 60};
 61
 62&iomuxc {
 63	microsom {
 64		pinctrl_microsom_enet_ar8035: microsom-enet-ar8035 {
 65			fsl,pins = <
 66				MX6QDL_PAD_ENET_MDIO__ENET_MDIO		0x1b8b0
 67				MX6QDL_PAD_ENET_MDC__ENET_MDC		0x1b0b0
 68				/* AR8035 reset */
 69				MX6QDL_PAD_KEY_ROW4__GPIO4_IO15		0x130b0
 70				/* AR8035 interrupt */
 71				MX6QDL_PAD_DI0_PIN2__GPIO4_IO18		0x1b0b0
 72				/* GPIO16 -> AR8035 25MHz */
 73				MX6QDL_PAD_GPIO_16__ENET_REF_CLK	0x4001b0b0
 74				MX6QDL_PAD_RGMII_TXC__RGMII_TXC		0x13030
 75				MX6QDL_PAD_RGMII_TD0__RGMII_TD0		0x1b030
 76				MX6QDL_PAD_RGMII_TD1__RGMII_TD1		0x1b030
 77				MX6QDL_PAD_RGMII_TD2__RGMII_TD2		0x1b030
 78				MX6QDL_PAD_RGMII_TD3__RGMII_TD3		0x1b030
 79				MX6QDL_PAD_RGMII_TX_CTL__RGMII_TX_CTL	0x1b030
 80				/* AR8035 CLK_25M --> ENET_REF_CLK (V22) */
 81				MX6QDL_PAD_ENET_REF_CLK__ENET_TX_CLK	0x0a0b1
 82				/* AR8035 pin strapping: IO voltage: pull up */
 83				MX6QDL_PAD_RGMII_RXC__RGMII_RXC		0x1b030
 84				/* AR8035 pin strapping: PHYADDR#0: pull down */
 85				MX6QDL_PAD_RGMII_RD0__RGMII_RD0		0x13030
 86				/* AR8035 pin strapping: PHYADDR#1: pull down */
 87				MX6QDL_PAD_RGMII_RD1__RGMII_RD1		0x13030
 88				/* AR8035 pin strapping: MODE#1: pull up */
 89				MX6QDL_PAD_RGMII_RD2__RGMII_RD2		0x1b030
 90				/* AR8035 pin strapping: MODE#3: pull up */
 91				MX6QDL_PAD_RGMII_RD3__RGMII_RD3		0x1b030
 92				/* AR8035 pin strapping: MODE#0: pull down */
 93				MX6QDL_PAD_RGMII_RX_CTL__RGMII_RX_CTL	0x13030
 94
 95				/*
 96				 * As the RMII pins are also connected to RGMII
 97				 * so that an AR8030 can be placed, set these
 98				 * to high-z with the same pulls as above.
 99				 * Use the GPIO settings to avoid changing the
100				 * input select registers.
101				 */
102				MX6QDL_PAD_ENET_CRS_DV__GPIO1_IO25	0x03000
103				MX6QDL_PAD_ENET_RXD0__GPIO1_IO27	0x03000
104				MX6QDL_PAD_ENET_RXD1__GPIO1_IO26	0x03000
105			>;
106		};
107
108		pinctrl_microsom_uart1: microsom-uart1 {
109			fsl,pins = <
110				MX6QDL_PAD_CSI0_DAT10__UART1_TX_DATA	0x1b0b1
111				MX6QDL_PAD_CSI0_DAT11__UART1_RX_DATA	0x1b0b1
112			>;
113		};
114	};
115};
116
117&uart1 {
118	pinctrl-names = "default";
119	pinctrl-0 = <&pinctrl_microsom_uart1>;
120	status = "okay";
121};