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Commit 30feed37 authored by Wolfram Sang's avatar Wolfram Sang Committed by Sascha Hauer
Browse files

arm: mxs: add i2c-devices for mx28 



Signed-off-by: default avatarWolfram Sang <w.sang@pengutronix.de>
Acked-by: default avatarUwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: default avatarSascha Hauer <s.hauer@pengutronix.de>
parent 19373c04

arch/arm/mach-mxs/devices-mx28.h

+3 −0
Original line number Diff line number Diff line
@@ -33,4 +33,7 @@ extern const struct mxs_flexcan_data mx28_flexcan_data[] __initconst; 
#define mx28_add_flexcan0(pdata)	mx28_add_flexcan(0, pdata)

#define mx28_add_flexcan1(pdata)	mx28_add_flexcan(1, pdata)



extern const struct mxs_i2c_data mx28_mxs_i2c_data[] __initconst;

#define mx28_add_mxs_i2c(id)		mxs_add_mxs_i2c(&mx28_mxs_i2c_data[id])



#define mx28_add_mxs_pwm(id)		mxs_add_mxs_pwm(MX28_PWM_BASE_ADDR, id)

arch/arm/mach-mxs/devices/Kconfig

+3 −0
Original line number Diff line number Diff line
@@ -12,5 +12,8 @@ config MXS_HAVE_PLATFORM_FLEXCAN 
	select HAVE_CAN_FLEXCAN if CAN

	bool



config MXS_HAVE_PLATFORM_MXS_I2C

	bool



config MXS_HAVE_PLATFORM_MXS_PWM

	bool

arch/arm/mach-mxs/devices/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -2,4 +2,5 @@ obj-$(CONFIG_MXS_HAVE_AMBA_DUART) += amba-duart.o 
obj-$(CONFIG_MXS_HAVE_PLATFORM_AUART) += platform-auart.o

obj-$(CONFIG_MXS_HAVE_PLATFORM_FEC) += platform-fec.o

obj-$(CONFIG_MXS_HAVE_PLATFORM_FLEXCAN) += platform-flexcan.o

obj-$(CONFIG_MXS_HAVE_PLATFORM_MXS_I2C) += platform-mxs-i2c.o

obj-$(CONFIG_MXS_HAVE_PLATFORM_MXS_PWM) += platform-mxs-pwm.o

arch/arm/mach-mxs/devices/platform-mxs-i2c.c

0 → 100644
+51 −0
Original line number Diff line number Diff line 
/*

 * Copyright (C) 2011 Pengutronix

 * Wolfram Sang <w.sang@pengutronix.de>

 *

 * 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 <asm/sizes.h>

#include <mach/mx28.h>

#include <mach/devices-common.h>



#define mxs_i2c_data_entry_single(soc, _id)				\

	{								\

		.id = _id,						\

		.iobase = soc ## _I2C ## _id ## _BASE_ADDR,		\

		.errirq = soc ## _INT_I2C ## _id ## _ERROR,		\

		.dmairq = soc ## _INT_I2C ## _id ## _DMA,		\

	}



#define mxs_i2c_data_entry(soc, _id)					\

	[_id] = mxs_i2c_data_entry_single(soc, _id)



#ifdef CONFIG_SOC_IMX28

const struct mxs_i2c_data mx28_mxs_i2c_data[] __initconst = {

	mxs_i2c_data_entry(MX28, 0),

	mxs_i2c_data_entry(MX28, 1),

};

#endif



struct platform_device *__init mxs_add_mxs_i2c(const struct mxs_i2c_data *data)

{

	struct resource res[] = {

		{

			.start = data->iobase,

			.end = data->iobase + SZ_8K - 1,

			.flags = IORESOURCE_MEM,

		}, {

			.start = data->errirq,

			.end = data->errirq,

			.flags = IORESOURCE_IRQ,

		}, {

			.start = data->dmairq,

			.end = data->dmairq,

			.flags = IORESOURCE_IRQ,

		},

	};



	return mxs_add_platform_device("mxs-i2c", data->id, res,

					ARRAY_SIZE(res), NULL, 0);

}

arch/arm/mach-mxs/include/mach/devices-common.h

+9 −0
Original line number Diff line number Diff line
@@ -64,6 +64,15 @@ struct platform_device *__init mxs_add_flexcan( 
		const struct mxs_flexcan_data *data,

		const struct flexcan_platform_data *pdata);



/* i2c */

struct mxs_i2c_data {

	int id;

	resource_size_t iobase;

	resource_size_t errirq;

	resource_size_t dmairq;

};

struct platform_device * __init mxs_add_mxs_i2c(const struct mxs_i2c_data *data);



/* pwm */

struct platform_device *__init mxs_add_mxs_pwm(

		resource_size_t iobase, int id);