63 lines
2.0 KiB
Plaintext
63 lines
2.0 KiB
Plaintext
/*
|
|
* Copyright (C) 2013,2014 Russell King
|
|
*
|
|
* This describes the hookup for an AR8035 to the iMX6 on the SolidRun
|
|
* MicroSOM.
|
|
*/
|
|
&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
|
|
>;
|
|
};
|
|
};
|
|
};
|