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authorStephen Warren <swarren@nvidia.com>2016-09-15 12:19:37 -0600
committerTom Warren <twarren@nvidia.com>2016-09-27 09:11:03 -0700
commit2f6a7e8ce5df8b99d84bfd486c6f99d92322ce04 (patch)
treeeb77203c632945bc09e6991da1f4cbc37c782d9d /configs/P4080DS_SDCARD_defconfig
parentfc607d9ab96654973bd13dc0de1b2ff6d3d901b4 (diff)
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ARM: tegra: fix USB ULPI PHY reset signal inversion confusion
USB ULPI PHY reset signals are typically active low. Consequently, they should be marked as GPIO_ACTIVE_LOW in device tree, and indeed they are in the Linux kernel DTs, and in DT properties that U-Boot doesn't yet use. However, in DT properties that U-Boot does use, the value has been set to 0 (== GPIO_ACTIVE_HIGH) to work around a bug in U-Boot. This change fixes the DT to correctly represent the HW, and fixes the Tegra USB driver to cope with the fact that dm_gpio_set_value() internally handles any inversions implied by the DT value GPIO_ACTIVE_LOW. Cc: Marcel Ziswiler <marcel.ziswiler@toradex.com> Signed-off-by: Stephen Warren <swarren@nvidia.com> Reviewed-by: Simon Glass <sjg@chromium.org> Signed-off-by: Tom Warren <twarren@nvidia.com>
Diffstat (limited to 'configs/P4080DS_SDCARD_defconfig')
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