/*
 * Renesas USB driver R-Car Gen. 3 initialization and power control
 *
 * Copyright (C) 2016 Renesas Electronics Corporation
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 */

#include <linux/delay.h>
#include <linux/io.h>
#include "common.h"
#include "rcar3.h"

#define LPSTS		0x102
#define UGCTRL2		0x184	/* 32-bit register */

/* Low Power Status register (LPSTS) */
#define LPSTS_SUSPM	0x4000

/* USB General control register 2 (UGCTRL2), bit[31:6] should be 0 */
#define UGCTRL2_RESERVED_3	0x00000001	/* bit[3:0] should be B'0001 */
#define UGCTRL2_USB0SEL_OTG	0x00000030

static void usbhs_write32(struct usbhs_priv *priv, u32 reg, u32 data)
{
	iowrite32(data, priv->base + reg);
}

static int usbhs_rcar3_power_ctrl(struct platform_device *pdev,
				void __iomem *base, int enable)
{
	struct usbhs_priv *priv = usbhs_pdev_to_priv(pdev);

	usbhs_write32(priv, UGCTRL2, UGCTRL2_RESERVED_3 | UGCTRL2_USB0SEL_OTG);

	if (enable) {
		usbhs_bset(priv, LPSTS, LPSTS_SUSPM, LPSTS_SUSPM);
		/* The controller on R-Car Gen3 needs to wait up to 45 usec */
		udelay(45);
	} else {
		usbhs_bset(priv, LPSTS, LPSTS_SUSPM, 0);
	}

	return 0;
}

static int usbhs_rcar3_get_id(struct platform_device *pdev)
{
	return USBHS_GADGET;
}

const struct renesas_usbhs_platform_callback usbhs_rcar3_ops = {
	.power_ctrl = usbhs_rcar3_power_ctrl,
	.get_id = usbhs_rcar3_get_id,
};
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?id=1930b60352e7e195f55b27cde15d2a8f43342a8b'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include?id=1930b60352e7e195f55b27cde15d2a8f43342a8b'>include</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include/trace?id=1930b60352e7e195f55b27cde15d2a8f43342a8b'>trace</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include/trace/events?id=1930b60352e7e195f55b27cde15d2a8f43342a8b'>events</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include/trace/events/afs.h?id=1930b60352e7e195f55b27cde15d2a8f43342a8b'>afs.h</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='1930b60352e7e195f55b27cde15d2a8f43342a8b'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>David S. Miller &lt;davem@davemloft.net&gt;</td><td class='right'>2017-01-30 15:55:48 -0500</td></tr>
<tr><th>committer</th><td>David S. Miller &lt;davem@davemloft.net&gt;</td><td class='right'>2017-01-30 15:56:40 -0500</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/trace/events/afs.h?id=1930b60352e7e195f55b27cde15d2a8f43342a8b'>1930b60352e7e195f55b27cde15d2a8f43342a8b</a> (<a href='/cgit.cgi/linux/net-next.git/patch/include/trace/events/afs.h?id=1930b60352e7e195f55b27cde15d2a8f43342a8b'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=1930b60352e7e195f55b27cde15d2a8f43342a8b'>ec3f66cd8d8110bf7b4f61e0446bdea505915db9</a> /<a href='/cgit.cgi/linux/net-next.git/tree/include/trace/events/afs.h?id=1930b60352e7e195f55b27cde15d2a8f43342a8b'>include/trace/events/afs.h</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/trace/events/afs.h?id=4be9993493bc7ee3fdf950a83bc050a3e6cf2a45'>4be9993493bc7ee3fdf950a83bc050a3e6cf2a45</a> (<a href='/cgit.cgi/linux/net-next.git/diff/include/trace/events/afs.h?id=1930b60352e7e195f55b27cde15d2a8f43342a8b&amp;id2=4be9993493bc7ee3fdf950a83bc050a3e6cf2a45'>diff</a>)</td></tr><tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/trace/events/afs.h?id=ec960de61503ef349588dccfa3ae02efabcc2762'>ec960de61503ef349588dccfa3ae02efabcc2762</a> (<a href='/cgit.cgi/linux/net-next.git/diff/include/trace/events/afs.h?id=1930b60352e7e195f55b27cde15d2a8f43342a8b&amp;id2=ec960de61503ef349588dccfa3ae02efabcc2762'>diff</a>)</td></tr></table>
<div class='commit-subject'>Merge branch 'dsa-port-mirroring'</div><div class='commit-msg'>Florian Fainelli says:

====================
net: dsa: Port mirroring support

This patch series adds support for port mirroring in the two
Broadcom switch drivers. The major part of the functional are actually with
the plumbing between tc and the drivers.

Changes in v5:

- Added Jiri's Reviewed-by tag to first patch
- rebase against latest net-next/master after bcm_sf2 CFP series

Changes in v4:

- rebased against latest net-next/master after Vivien's changes

Changes in v3:

- removed multiline comments from added structures
- simplify error handling in dsa_slave_add_cls_matchall

Changes in v2:

- fixed filter removal logic to disable the ingress or egress mirroring
  when there are no longer ports being monitored in ingress or egress

- removed a stray list_head in dsa_port structure that is not used

Tested using the two iproute2 examples:

      tc qdisc  add dev eth1 handle ffff: ingress
      tc filter add dev eth1 parent ffff:           \
               matchall skip_sw                      \
               action mirred egress mirror           \
               dev eth2
      tc qdisc add dev eth1 handle 1: root prio
      tc filter add dev eth1 parent 1:               \
               matchall skip_sw                       \
               action mirred egress mirror            \
               dev eth2
====================

Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=1930b60352e7e195f55b27cde15d2a8f43342a8b'>Diffstat</a> (limited to 'include/trace/events/afs.h')</div><table summary='diffstat' class='diffstat'>