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>
diff --git a/board/toradex/colibri_t20/colibri_t20.c b/board/toradex/colibri_t20/colibri_t20.c
index 4656094..5d8bdec 100644
--- a/board/toradex/colibri_t20/colibri_t20.c
+++ b/board/toradex/colibri_t20/colibri_t20.c
@@ -46,7 +46,14 @@
/* 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