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Many Intel CPUs including Haswell, Broadwell and Baytrail have SPI serial flash host controller as part of the LPC device. This will populate an MFD cell suitable for the SPI host controller driver if we know that the LPC device has one. Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> Acked-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
49 lines
1.2 KiB
C
49 lines
1.2 KiB
C
/*
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* linux/drivers/mfd/lpc_ich.h
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*
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* Copyright (c) 2012 Extreme Engineering Solution, Inc.
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* Author: Aaron Sierra <asierra@xes-inc.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License 2 as published
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* by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef LPC_ICH_H
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#define LPC_ICH_H
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#include <linux/platform_data/intel-spi.h>
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/* GPIO resources */
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#define ICH_RES_GPIO 0
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#define ICH_RES_GPE0 1
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/* GPIO compatibility */
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enum {
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ICH_I3100_GPIO,
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ICH_V5_GPIO,
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ICH_V6_GPIO,
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ICH_V7_GPIO,
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ICH_V9_GPIO,
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ICH_V10CORP_GPIO,
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ICH_V10CONS_GPIO,
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AVOTON_GPIO,
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};
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struct lpc_ich_info {
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char name[32];
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unsigned int iTCO_version;
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unsigned int gpio_version;
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enum intel_spi_type spi_type;
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u8 use_gpio;
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};
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#endif
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