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+/*
+ * 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
+ >;
+ };
+ };
+};