| /* |
| * Copyright (C) 2013,2014 Russell King |
| * |
| * This describes the hookup for an AR8035 to the iMX6 on the SolidRun |
| * MicroSOM. |
| * |
| * This file is dual-licensed: you can use it either under the terms |
| * of the GPL or the X11 license, at your option. Note that this dual |
| * licensing only applies to this file, and not this project as a |
| * whole. |
| * |
| * a) This file is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License as |
| * published by the Free Software Foundation; either version 2 of the |
| * License. |
| * |
| * This file is distributed in the hope that it will be useful |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * Or, alternatively |
| * |
| * b) Permission is hereby granted, free of charge, to any person |
| * obtaining a copy of this software and associated documentation |
| * files (the "Software"), to deal in the Software without |
| * restriction, including without limitation the rights to use |
| * copy, modify, merge, publish, distribute, sublicense, and/or |
| * sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following |
| * conditions: |
| * |
| * The above copyright notice and this permission notice shall be |
| * included in all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED , WITHOUT WARRANTY OF ANY KIND |
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES |
| * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT |
| * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY |
| * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| * OTHER DEALINGS IN THE SOFTWARE. |
| */ |
| &fec { |
| pinctrl-names = "default"; |
| pinctrl-0 = <&pinctrl_microsom_enet_ar8035>; |
| phy-mode = "rgmii"; |
| phy-reset-duration = <2>; |
| phy-reset-gpios = <&gpio4 15 0>; |
| status = "okay"; |
| }; |
| |
| &iomuxc { |
| enet { |
| pinctrl_microsom_enet_ar8035: microsom-enet-ar8035 { |
| fsl,pins = < |
| MX6QDL_PAD_ENET_MDIO__ENET_MDIO 0x1b8b0 |
| MX6QDL_PAD_ENET_MDC__ENET_MDC 0x1b0b0 |
| /* AR8035 reset */ |
| MX6QDL_PAD_KEY_ROW4__GPIO4_IO15 0x130b0 |
| /* AR8035 interrupt */ |
| MX6QDL_PAD_DI0_PIN2__GPIO4_IO18 0x80000000 |
| /* GPIO16 -> AR8035 25MHz */ |
| MX6QDL_PAD_GPIO_16__ENET_REF_CLK 0xc0000000 |
| MX6QDL_PAD_RGMII_TXC__RGMII_TXC 0x80000000 |
| MX6QDL_PAD_RGMII_TD0__RGMII_TD0 0x1b030 |
| MX6QDL_PAD_RGMII_TD1__RGMII_TD1 0x1b030 |
| MX6QDL_PAD_RGMII_TD2__RGMII_TD2 0x1b030 |
| MX6QDL_PAD_RGMII_TD3__RGMII_TD3 0x1b030 |
| MX6QDL_PAD_RGMII_TX_CTL__RGMII_TX_CTL 0x1b030 |
| /* AR8035 CLK_25M --> ENET_REF_CLK (V22) */ |
| MX6QDL_PAD_ENET_REF_CLK__ENET_TX_CLK 0x0a0b1 |
| /* AR8035 pin strapping: IO voltage: pull up */ |
| MX6QDL_PAD_RGMII_RXC__RGMII_RXC 0x1b030 |
| /* AR8035 pin strapping: PHYADDR#0: pull down */ |
| MX6QDL_PAD_RGMII_RD0__RGMII_RD0 0x13030 |
| /* AR8035 pin strapping: PHYADDR#1: pull down */ |
| MX6QDL_PAD_RGMII_RD1__RGMII_RD1 0x13030 |
| /* AR8035 pin strapping: MODE#1: pull up */ |
| MX6QDL_PAD_RGMII_RD2__RGMII_RD2 0x1b030 |
| /* AR8035 pin strapping: MODE#3: pull up */ |
| MX6QDL_PAD_RGMII_RD3__RGMII_RD3 0x1b030 |
| /* AR8035 pin strapping: MODE#0: pull down */ |
| MX6QDL_PAD_RGMII_RX_CTL__RGMII_RX_CTL 0x13030 |
| |
| /* |
| * As the RMII pins are also connected to RGMII |
| * so that an AR8030 can be placed, set these |
| * to high-z with the same pulls as above. |
| * Use the GPIO settings to avoid changing the |
| * input select registers. |
| */ |
| MX6QDL_PAD_ENET_CRS_DV__GPIO1_IO25 0x03000 |
| MX6QDL_PAD_ENET_RXD0__GPIO1_IO27 0x03000 |
| MX6QDL_PAD_ENET_RXD1__GPIO1_IO26 0x03000 |
| >; |
| }; |
| }; |
| }; |