From 00a5270bd843f436d2c60d2a8512a302061596f5 Mon Sep 17 00:00:00 2001 From: Marcel Ziswiler <marcel@ziswiler.com> Date: Thu, 26 Mar 2015 02:17:07 +0100 Subject: [PATCH] ARM: tegra: fix colibri_t20 asix reset 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> --- board/toradex/colibri_t20/colibri_t20.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/board/toradex/colibri_t20/colibri_t20.c b/board/toradex/colibri_t20/colibri_t20.c index 46560948a6..5d8bdecb8e 100644 --- a/board/toradex/colibri_t20/colibri_t20.c +++ b/board/toradex/colibri_t20/colibri_t20.c @@ -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 -- 2.39.5