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net: phy: mdio-gpio: Add #defines for the GPIO index's

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The GPIOs are described in device tree using a list, without names.
Add defines to indicate what each index in the list means. These
defines should also be used by platform devices passing GPIOs via a
GPIO lookup table.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Andrew Lunn
2018-04-19 01:02:58 +02:00
committed by David S. Miller
parent 4029ea3a86
commit fb78a95e22
2 changed files with 16 additions and 3 deletions
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9
include/linux/mdio-gpio.h Normal file
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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __LINUX_MDIO_GPIO_H
#define __LINUX_MDIO_GPIO_H
#define MDIO_GPIO_MDC 0
#define MDIO_GPIO_MDIO 1
#define MDIO_GPIO_MDO 2
#endif