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Merge branch 'master' of git://git.denx.de/u-boot-tegra

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This commit is contained in:
Tom Rini
2016-09-27 12:47:25 -04:00
parent 6d5565608f 8e5d804f89
commit 40e1236afe
69 changed files with 3570 additions and 1250 deletions
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13
drivers/usb/host/ehci-tegra.c
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@@ -600,9 +600,18 @@ static int init_ulpi_usb_controller(struct fdt_usb *config,
/* reset ULPI phy */
if (dm_gpio_is_valid(&config->phy_reset_gpio)) {
dm_gpio_set_value(&config->phy_reset_gpio, 0);
mdelay(5);
/*
* This GPIO is typically active-low, and marked as such in
* device tree. dm_gpio_set_value() takes this into account
* and inverts the value we pass here if required. In other
* words, this first call logically asserts the reset signal,
* which typically results in driving the physical GPIO low,
* and the second call logically de-asserts the reset signal,
* which typically results in driver the GPIO high.
*/
dm_gpio_set_value(&config->phy_reset_gpio, 1);
mdelay(5);
dm_gpio_set_value(&config->phy_reset_gpio, 0);
}
/* Reset the usb controller */