/*
 * rt5514-spi.h  --  RT5514 driver
 *
 * Copyright 2015 Realtek Semiconductor Corp.
 * Author: Oder Chiou <oder_chiou@realtek.com>
 *
 * 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.
 */

#ifndef __RT5514_SPI_H__
#define __RT5514_SPI_H__

/**
 * RT5514_SPI_BUF_LEN is the buffer size of SPI master controller.
*/
#define RT5514_SPI_BUF_LEN		240

#define RT5514_BUFFER_VOICE_BASE	0x18001034
#define RT5514_BUFFER_VOICE_LIMIT	0x18001038
#define RT5514_BUFFER_VOICE_RP		0x1800103c
#define RT5514_BUFFER_VOICE_SIZE	0x18001040

/* SPI Command */
enum {
	RT5514_SPI_CMD_16_READ = 0,
	RT5514_SPI_CMD_16_WRITE,
	RT5514_SPI_CMD_32_READ,
	RT5514_SPI_CMD_32_WRITE,
	RT5514_SPI_CMD_BURST_READ,
	RT5514_SPI_CMD_BURST_WRITE,
};

int rt5514_spi_burst_read(unsigned int addr, u8 *rxbuf, size_t len);
int rt5514_spi_burst_write(u32 addr, const u8 *txbuf, size_t len);

#endif /* __RT5514_SPI_H__ */
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?id=618c808968852609d2d9f0e5cfc351a4807ef8d0'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include?id=618c808968852609d2d9f0e5cfc351a4807ef8d0'>include</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include/drm?id=618c808968852609d2d9f0e5cfc351a4807ef8d0'>drm</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include/drm/drm_panel.h?id=618c808968852609d2d9f0e5cfc351a4807ef8d0'>drm_panel.h</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='618c808968852609d2d9f0e5cfc351a4807ef8d0'/><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>Chen-Yu Tsai &lt;wens@csie.org&gt;</td><td class='right'>2016-11-11 11:12:43 +0800</td></tr>
<tr><th>committer</th><td>Mark Brown &lt;broonie@kernel.org&gt;</td><td class='right'>2016-11-11 15:34:45 +0000</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/drm/drm_panel.h?id=618c808968852609d2d9f0e5cfc351a4807ef8d0'>618c808968852609d2d9f0e5cfc351a4807ef8d0</a> (<a href='/cgit.cgi/linux/net-next.git/patch/include/drm/drm_panel.h?id=618c808968852609d2d9f0e5cfc351a4807ef8d0'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=618c808968852609d2d9f0e5cfc351a4807ef8d0'>01a8d928c06fe7bef488f55bade6ba37b958bb5f</a> /<a href='/cgit.cgi/linux/net-next.git/tree/include/drm/drm_panel.h?id=618c808968852609d2d9f0e5cfc351a4807ef8d0'>include/drm/drm_panel.h</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/drm/drm_panel.h?id=1001354ca34179f3db924eb66672442a173147dc'>1001354ca34179f3db924eb66672442a173147dc</a> (<a href='/cgit.cgi/linux/net-next.git/diff/include/drm/drm_panel.h?id=618c808968852609d2d9f0e5cfc351a4807ef8d0&amp;id2=1001354ca34179f3db924eb66672442a173147dc'>diff</a>)</td></tr></table>
<div class='commit-subject'>regulator: axp20x: Fix axp809 ldo_io registration error on cold boot</div><div class='commit-msg'>The maximum supported voltage for ldo_io# is 3.3V, but on cold boot
the selector comes up at 0x1f, which maps to 3.8V. This was previously
corrected by Allwinner's U-boot, which set all regulators on the PMICs
to some pre-configured voltage. With recent progress in U-boot SPL
support, this is no longer the case. In any case we should handle
this quirk in the kernel driver as well.

This invalid setting causes _regulator_get_voltage() to fail with -EINVAL
which causes regulator registration to fail when constrains are used:

[    1.054181] vcc-pg: failed to get the current voltage(-22)
[    1.059670] axp20x-regulator axp20x-regulator.0: Failed to register ldo_io0
[    1.069749] axp20x-regulator: probe of axp20x-regulator.0 failed with error -22

This commits makes the axp20x regulator driver accept the 0x1f register
value, fixing this.

The datasheet does not guarantee reliable operation above 3.3V, so on
boards where this regulator is used the regulator-max-microvolt setting
must be 3.3V or less.

This is essentially the same as the commit f40d4896bf32 ("regulator:
axp20x: Fix axp22x ldo_io registration error on cold boot") for AXP22x
PMICs.

Fixes: a51f9f4622a3 ("regulator: axp20x: support AXP809 variant")
Signed-off-by: Chen-Yu Tsai &lt;wens@csie.org&gt;
Signed-off-by: Mark Brown &lt;broonie@kernel.org&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=618c808968852609d2d9f0e5cfc351a4807ef8d0'>Diffstat</a> (limited to 'include/drm/drm_panel.h')</div><table summary='diffstat' class='diffstat'>