Fix ASIX USB to Ethernet chip reset.
Signed-off-by: Marcel Ziswiler <[email protected]>
---
Changes in v2:
- added my previously missing signed-off-by
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 4656094..5d8bdec 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
--
1.9.3
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