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This patch adds support for having a "fixed-link" to some other MAC (like some embedded switch-device). For this purpose we introduce a new phy-driver, called "Fixed PHY". Fixed PHY works only with CONFIG_DM_ETH enabled, since the fixed-link is described with a subnode below ethernet interface. Most ethernet drivers (unfortunately not all are following same scheme for searching/attaching phys) are calling "phy_connect(...)" for getting a phy-device. At this point we link in, we search here for a subnode called "fixed- link", once found we start phy_device_create(...) with the special phy- id PHY_FIXED_ID (0xa5a55a5a). During init the "Fixed PHY" driver has registered with this id and now gets probed, during probe we get all the details about fixed-link out of dts, later on the phy reports this values. Signed-off-by: Hannes Schmelzer <hannes.schmelzer@br-automation.com> Signed-off-by: Hannes Schmelzer <oe5hpm@oevsv.at> Acked-by: Joe Hershberger <joe.hershberger@ni.com> Reviewed-by: Christian Gmeiner <christian.gmeiner@gmail.com> |
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| .. | ||
| adc | ||
| ata | ||
| clock | ||
| cpu | ||
| exynos | ||
| firmware | ||
| gpio | ||
| gpu | ||
| i2c | ||
| input | ||
| leds | ||
| mailbox | ||
| misc | ||
| mmc | ||
| mtd | ||
| nand | ||
| net | ||
| pci | ||
| pinctrl | ||
| pmic | ||
| power | ||
| pwm | ||
| regulator | ||
| remoteproc | ||
| reset | ||
| serial | ||
| spi | ||
| spmi | ||
| thermal | ||
| timer | ||
| usb | ||
| video | ||
| chosen.txt | ||
| config.txt | ||
| README | ||
| root.txt | ||
Device Tree Bindings Staging Area ================================= This directory contains device tree bindings for U-Boot. These follow along with Linux kernel bindings, with a few additions. By adding the files here, U-Boot patches can clearly show thees additions. This makes it easier for device tree people to review these additions in patches sent to the U-Boot mailing list. The intent IS to commit these files to U-Boot. Hopefully at some point the files will be stored in another repo (shared with Linux) which is brought in as needed. Changes here are intended to mirror changes in the Linux Documentation/devicetree/bindings/ directory. sjg@chromium.org 17-Jan-12