Release 4.18 drivers/usb/renesas_usbhs/rcar2.c

// SPDX-License-Identifier: GPL-1.0+
/*
 * Renesas USB driver R-Car Gen. 2 initialization and power control
 *
 * Copyright (C) 2014 Ulrich Hecht
 */

#include <linux/gpio.h>
#include <linux/of_gpio.h>
#include <linux/phy/phy.h>
#include "common.h"
#include "rcar2.h"



static int usbhs_rcar2_hardware_init(struct platform_device *pdev)
{
	struct usbhs_priv *priv = usbhs_pdev_to_priv(pdev);

	if (IS_ENABLED(CONFIG_GENERIC_PHY)) {
		struct phy *phy = phy_get(&pdev->dev, "usb");

		if (IS_ERR(phy))
			return PTR_ERR(phy);

		priv->phy = phy;
		return 0;
	}

	return -ENXIO;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Yoshihiro Shimoda
51
71.83%
2
66.67%
Ulrich Hecht
20
28.17%
1
33.33%
Total
71
100.00%
3
100.00%



static int usbhs_rcar2_hardware_exit(struct platform_device *pdev)
{
	struct usbhs_priv *priv = usbhs_pdev_to_priv(pdev);

	if (priv->phy) {
		phy_put(priv->phy);
		priv->phy = NULL;
	}

	return 0;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Ulrich Hecht
28
62.22%
1
50.00%
Yoshihiro Shimoda
17
37.78%
1
50.00%
Total
45
100.00%
2
100.00%



static int usbhs_rcar2_power_ctrl(struct platform_device *pdev,
				void __iomem *base, int enable)
{
	struct usbhs_priv *priv = usbhs_pdev_to_priv(pdev);
	int retval = -ENODEV;

	if (priv->phy) {
		if (enable) {
			retval = phy_init(priv->phy);

			if (!retval)
				retval = phy_power_on(priv->phy);
		} else {
			phy_power_off(priv->phy);
			phy_exit(priv->phy);
			retval = 0;
		}
	}

	return retval;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Yoshihiro Shimoda
62
64.58%
2
66.67%
Ulrich Hecht
34
35.42%
1
33.33%
Total
96
100.00%
3
100.00%



static int usbhs_rcar2_get_id(struct platform_device *pdev)
{
	return USBHS_GADGET;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Ulrich Hecht
14
100.00%
1
100.00%
Total
14
100.00%
1
100.00%


const struct renesas_usbhs_platform_callback usbhs_rcar2_ops = {
	.hardware_init = usbhs_rcar2_hardware_init,
	.hardware_exit = usbhs_rcar2_hardware_exit,
	.power_ctrl = usbhs_rcar2_power_ctrl,
	.get_id = usbhs_rcar2_get_id,
};
Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
Ulrich Hecht
135
50.00%
1
20.00%
Yoshihiro Shimoda
133
49.26%
2
40.00%
Greg Kroah-Hartman
2
0.74%
2
40.00%
Total
270
100.00%
5
100.00%
Directory: drivers/usb/renesas_usbhs

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