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Commit 4adcefd3 authored by Dong Aisheng's avatar Dong Aisheng Committed by Samuel Ortiz
Browse files

mfd: anatop-mfd: remove anatop driver 



The anatop registers are accessed via syscon now, no one will use
mfd anatop driver anymore, remove it.

Acked-by: default avatarStephen Warren <swarren@wwwdotorg.org>
Signed-off-by: default avatarDong Aisheng <dong.aisheng@linaro.org>
Signed-off-by: default avatarSamuel Ortiz <sameo@linux.intel.com>
parent baa64151

drivers/mfd/Kconfig

+0 −8
Original line number Diff line number Diff line
@@ -996,14 +996,6 @@ config MFD_STA2X11 
	depends on STA2X11

	select MFD_CORE



config MFD_ANATOP

	bool "Support for Freescale i.MX on-chip ANATOP controller"

	depends on SOC_IMX6Q

	help

	  Select this option to enable Freescale i.MX on-chip ANATOP

	  MFD controller. This controller embeds regulator and

	  thermal devices for Freescale i.MX platforms.



config MFD_SYSCON

	bool "System Controller Register R/W Based on Regmap"

	depends on OF

drivers/mfd/Makefile

+0 −1
Original line number Diff line number Diff line
@@ -131,6 +131,5 @@ obj-$(CONFIG_MFD_INTEL_MSIC) += intel_msic.o 
obj-$(CONFIG_MFD_PALMAS)	+= palmas.o

obj-$(CONFIG_MFD_RC5T583)	+= rc5t583.o rc5t583-irq.o

obj-$(CONFIG_MFD_SEC_CORE)	+= sec-core.o sec-irq.o

obj-$(CONFIG_MFD_ANATOP)	+= anatop-mfd.o

obj-$(CONFIG_MFD_SYSCON)	+= syscon.o

obj-$(CONFIG_MFD_LM3533)	+= lm3533-core.o lm3533-ctrlbank.o

drivers/mfd/anatop-mfd.c

deleted100644 → 0
+0 −124
Original line number Diff line number Diff line 
/*

 * Anatop MFD driver

 *

 * Copyright (C) 2012 Ying-Chun Liu (PaulLiu) <paul.liu@linaro.org>

 * Copyright (C) 2012 Linaro

 *

 *  This program is free software; you can redistribute it and/or modify

 *  it under the terms of the GNU General Public License as published by

 *  the Free Software Foundation; either version 2 of the License, or

 *   (at your option) any later version.

 *

 *  This program is distributed in the hope that it will be useful,

 *  but WITHOUT ANY WARRANTY; without even the implied warranty of

 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 *  GNU General Public License for more details.

 *

 *  You should have received a copy of the GNU General Public License along

 *  with this program; if not, write to the Free Software Foundation, Inc.,

 *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

 *  This program is free software; you can redistribute it and/or modify

 *  it under the terms of the GNU General Public License as published by

 *  the Free Software Foundation; either version 2 of the License, or

 *  (at your option) any later version.

 *

 *  This program is distributed in the hope that it will be useful,

 *  but WITHOUT ANY WARRANTY; without even the implied warranty of

 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 *  GNU General Public License for more details.

 *

 *  You should have received a copy of the GNU General Public License along

 *  with this program; if not, write to the Free Software Foundation, Inc.,

 *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 */



#include <linux/io.h>

#include <linux/module.h>

#include <linux/platform_device.h>

#include <linux/of.h>

#include <linux/of_platform.h>

#include <linux/of_address.h>

#include <linux/mfd/anatop.h>



u32 anatop_read_reg(struct anatop *adata, u32 addr)

{

	return readl(adata->ioreg + addr);

}

EXPORT_SYMBOL_GPL(anatop_read_reg);



void anatop_write_reg(struct anatop *adata, u32 addr, u32 data, u32 mask)

{

	u32 val;



	data &= mask;



	spin_lock(&adata->reglock);

	val = readl(adata->ioreg + addr);

	val &= ~mask;

	val |= data;

	writel(val, adata->ioreg + addr);

	spin_unlock(&adata->reglock);

}

EXPORT_SYMBOL_GPL(anatop_write_reg);



static const struct of_device_id of_anatop_match[] = {

	{ .compatible = "fsl,imx6q-anatop", },

	{ },

};



static int __devinit of_anatop_probe(struct platform_device *pdev)

{

	struct device *dev = &pdev->dev;

	struct device_node *np = dev->of_node;

	void *ioreg;

	struct anatop *drvdata;



	ioreg = of_iomap(np, 0);

	if (!ioreg)

		return -EADDRNOTAVAIL;

	drvdata = devm_kzalloc(dev, sizeof(*drvdata), GFP_KERNEL);

	if (!drvdata)

		return -ENOMEM;

	drvdata->ioreg = ioreg;

	spin_lock_init(&drvdata->reglock);

	platform_set_drvdata(pdev, drvdata);

	of_platform_populate(np, NULL, NULL, dev);



	return 0;

}



static int __devexit of_anatop_remove(struct platform_device *pdev)

{

	struct anatop *drvdata;

	drvdata = platform_get_drvdata(pdev);

	iounmap(drvdata->ioreg);



	return 0;

}



static struct platform_driver anatop_of_driver = {

	.driver = {

		.name = "anatop-mfd",

		.owner = THIS_MODULE,

		.of_match_table = of_anatop_match,

	},

	.probe		= of_anatop_probe,

	.remove		= of_anatop_remove,

};



static int __init anatop_init(void)

{

	return platform_driver_register(&anatop_of_driver);

}

postcore_initcall(anatop_init);



static void __exit anatop_exit(void)

{

	platform_driver_unregister(&anatop_of_driver);

}

module_exit(anatop_exit);



MODULE_AUTHOR("Ying-Chun Liu (PaulLiu) <paul.liu@linaro.org>");

MODULE_DESCRIPTION("ANATOP MFD driver");

MODULE_LICENSE("GPL v2");

include/linux/mfd/anatop.h

deleted100644 → 0
+0 −40
Original line number Diff line number Diff line 
/*

 * anatop.h - Anatop MFD driver

 *

 *  Copyright (C) 2012 Ying-Chun Liu (PaulLiu) <paul.liu@linaro.org>

 *  Copyright (C) 2012 Linaro

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation; either version 2 of the License, or

 * (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

 */



#ifndef __LINUX_MFD_ANATOP_H

#define __LINUX_MFD_ANATOP_H



#include <linux/spinlock.h>



/**

 * anatop - MFD data

 * @ioreg: ioremap register

 * @reglock: spinlock for register read/write

 */

struct anatop {

	void *ioreg;

	spinlock_t reglock;

};



extern u32 anatop_read_reg(struct anatop *, u32);

extern void anatop_write_reg(struct anatop *, u32, u32, u32);



#endif /*  __LINUX_MFD_ANATOP_H */