diff options
| author | Marcel Ziswiler <marcel@ziswiler.com> | 2015-03-26 02:17:07 +0100 |
|---|---|---|
| committer | Tom Warren <twarren@nvidia.com> | 2015-03-30 10:04:43 -0700 |
| commit | 00a5270bd843f436d2c60d2a8512a302061596f5 (patch) | |
| tree | 549a1c07708d7d4a4e9116568e78fbab75f2fbd4 /board/toradex/colibri_t20/colibri_t20.c | |
| parent | 1ed056e84db0ea5c4365a5e0a79dd94ff1bc4b0b (diff) | |
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>
Diffstat (limited to 'board/toradex/colibri_t20/colibri_t20.c')
| -rw-r--r-- | board/toradex/colibri_t20/colibri_t20.c | 9 |
1 files changed, 8 insertions, 1 deletions
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 |