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ARM: tegra: fix colibri_t20 asix reset

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Fix ASIX USB to Ethernet chip reset.

Signed-off-by: Marcel Ziswiler <marcel@ziswiler.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Tom Warren <twarren@nvidia.com>
This commit is contained in:
Marcel Ziswiler 2015-03-26 02:17:07 +01:00 committed by Tom Warren
parent 1ed056e84d
commit 00a5270bd8
1 changed files with 8 additions and 1 deletions
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9
board/toradex/colibri_t20/colibri_t20.c
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@ -46,7 +46,14 @@ void pin_mux_usb(void)
/* VBus GPIO */
pinmux_tristate_disable(PMUX_PINGRP_DTE);
/* USB 1 aka Tegra USB port 3 VBus */
/* Reset ASIX using LAN_RESET */
gpio_request(GPIO_PV4, "LAN_RESET");
gpio_direction_output(GPIO_PV4, 0);
pinmux_tristate_disable(PMUX_PINGRP_GPV);
udelay(5);
gpio_set_value(GPIO_PV4, 1);
/* USBH_PEN: USB 1 aka Tegra USB port 3 VBus */
pinmux_tristate_disable(PMUX_PINGRP_SPIG);
}
#endif