| Olof Johansson | c27317c | 2011-11-04 09:12:39 +0000 | [diff] [blame] | 1 | Tegra SOC USB controllers |
| 2 | |
| 3 | The device node for a USB controller that is part of a Tegra |
| 4 | SOC is as described in the document "Open Firmware Recommended |
| 5 | Practice : Universal Serial Bus" with the following modifications |
| 6 | and additions : |
| 7 | |
| 8 | Required properties : |
| Paul Walmsley | 193c9d2 | 2015-01-30 15:11:04 -0700 | [diff] [blame] | 9 | - compatible : For Tegra20, must contain "nvidia,tegra20-ehci". |
| 10 | For Tegra30, must contain "nvidia,tegra30-ehci". Otherwise, must contain |
| 11 | "nvidia,<chip>-ehci" plus at least one of the above, where <chip> is |
| 12 | tegra114, tegra124, tegra132, or tegra210. |
| Venu Byravarasu | d400f20 | 2013-05-16 19:42:55 +0530 | [diff] [blame] | 13 | - nvidia,phy : phandle of the PHY that the controller is connected to. |
| Stephen Warren | d8f6479 | 2013-11-06 14:00:25 -0700 | [diff] [blame] | 14 | - clocks : Must contain one entry, for the module clock. |
| 15 | See ../clocks/clock-bindings.txt for details. |
| Stephen Warren | 0799958 | 2013-11-07 10:11:27 -0700 | [diff] [blame] | 16 | - resets : Must contain an entry for each entry in reset-names. |
| 17 | See ../reset/reset.txt for details. |
| 18 | - reset-names : Must include the following entries: |
| 19 | - usb |
| Stephen Warren | aa607eb | 2012-04-12 15:46:49 -0600 | [diff] [blame] | 20 | |
| Simon Glass | d5dfcc9 | 2012-03-06 21:04:32 -0800 | [diff] [blame] | 21 | Optional properties: |
| Venu Byravarasu | d400f20 | 2013-05-16 19:42:55 +0530 | [diff] [blame] | 22 | - nvidia,needs-double-reset : boolean is to be set for some of the Tegra20 |
| 23 | USB ports, which need reset twice due to hardware issues. |