100 lines
3.8 KiB
Plaintext
100 lines
3.8 KiB
Plaintext
|
/*
|
||
|
|
* 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
|
||
|
|
* version 2 as published by the Free Software Foundation.
|
||
|
|
*
|
||
|
|
* 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
|
||
|
|
>;
|
||
|
|
};
|
||
|
|
};
|
||
|
|
};
|