Commit fb78a95e authored by Andrew Lunn's avatar Andrew Lunn Committed by David S. Miller

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

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: default avatarAndrew Lunn <andrew@lunn.ch>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 4029ea3a
...@@ -24,6 +24,8 @@ ...@@ -24,6 +24,8 @@
#include <linux/slab.h> #include <linux/slab.h>
#include <linux/interrupt.h> #include <linux/interrupt.h>
#include <linux/platform_device.h> #include <linux/platform_device.h>
#include <linux/mdio-bitbang.h>
#include <linux/mdio-gpio.h>
#include <linux/gpio.h> #include <linux/gpio.h>
#include <linux/platform_data/mdio-gpio.h> #include <linux/platform_data/mdio-gpio.h>
...@@ -38,15 +40,17 @@ struct mdio_gpio_info { ...@@ -38,15 +40,17 @@ struct mdio_gpio_info {
static int mdio_gpio_get_data(struct device *dev, static int mdio_gpio_get_data(struct device *dev,
struct mdio_gpio_info *bitbang) struct mdio_gpio_info *bitbang)
{ {
bitbang->mdc = devm_gpiod_get_index(dev, NULL, 0, GPIOD_OUT_LOW); bitbang->mdc = devm_gpiod_get_index(dev, NULL, MDIO_GPIO_MDC,
GPIOD_OUT_LOW);
if (IS_ERR(bitbang->mdc)) if (IS_ERR(bitbang->mdc))
return PTR_ERR(bitbang->mdc); return PTR_ERR(bitbang->mdc);
bitbang->mdio = devm_gpiod_get_index(dev, NULL, 1, GPIOD_IN); bitbang->mdio = devm_gpiod_get_index(dev, NULL, MDIO_GPIO_MDIO,
GPIOD_IN);
if (IS_ERR(bitbang->mdio)) if (IS_ERR(bitbang->mdio))
return PTR_ERR(bitbang->mdio); return PTR_ERR(bitbang->mdio);
bitbang->mdo = devm_gpiod_get_index_optional(dev, NULL, 2, bitbang->mdo = devm_gpiod_get_index_optional(dev, NULL, MDIO_GPIO_MDO,
GPIOD_OUT_LOW); GPIOD_OUT_LOW);
return PTR_ERR_OR_ZERO(bitbang->mdo); return PTR_ERR_OR_ZERO(bitbang->mdo);
} }
......
/* 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
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