df1e0520f9
This abstracts the hackish padmux API on the U300 platform into something more manageable. It provides a way for drivers to activate/deactivate a certain padmux setting. It will also switch the users of the old API over to using the new style, pushing muxing into the apropriate setup files. Signed-off-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
39 lines
827 B
C
39 lines
827 B
C
/*
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*
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* arch/arm/mach-u300/padmux.h
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*
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*
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* Copyright (C) 2009 ST-Ericsson AB
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* License terms: GNU General Public License (GPL) version 2
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* U300 PADMUX API
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* Author: Martin Persson <martin.persson@stericsson.com>
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*/
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#ifndef __MACH_U300_PADMUX_H
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#define __MACH_U300_PADMUX_H
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enum pmx_settings {
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U300_APP_PMX_MMC_SETTING,
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U300_APP_PMX_SPI_SETTING
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};
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struct pmx_onmask {
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u16 mask; /* Mask bits */
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u16 val; /* Value when active */
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};
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struct pmx {
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struct device *dev;
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enum pmx_settings setting;
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char *name;
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bool activated;
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bool default_on;
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struct pmx_onmask onmask[];
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};
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struct pmx *pmx_get(struct device *dev, enum pmx_settings setting);
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int pmx_put(struct device *dev, struct pmx *pmx);
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int pmx_activate(struct device *dev, struct pmx *pmx);
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int pmx_deactivate(struct device *dev, struct pmx *pmx);
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#endif
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