Patchwork [V4,2/3] ARM: mxs: add GPMI-NFC device for imx23

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Submitter Huang Shijie
Date June 29, 2011, 7:54 a.m.
Message ID <1309334082-9501-3-git-send-email-b32955@freescale.com>
Download mbox | patch
Permalink /patch/102526/
State New
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Huang Shijie - June 29, 2011, 7:54 a.m.
add the gpmi-nfc device for imx23.

Signed-off-by: Huang Shijie <b32955@freescale.com>
---
 arch/arm/mach-mxs/clock-mx23.c                  |    1 +
 arch/arm/mach-mxs/devices-mx23.h                |    4 +
 arch/arm/mach-mxs/devices/Kconfig               |    3 +
 arch/arm/mach-mxs/devices/Makefile              |    1 +
 arch/arm/mach-mxs/devices/platform-gpmi-nfc.c   |   71 +++++++++++++++++++++++
 arch/arm/mach-mxs/include/mach/devices-common.h |   10 +++
 arch/arm/mach-mxs/mach-mx23evk.c                |   37 ++++++++++++
 7 files changed, 127 insertions(+), 0 deletions(-)
 create mode 100644 arch/arm/mach-mxs/devices/platform-gpmi-nfc.c
Uwe Kleine-K├Ânig - June 29, 2011, 8:08 a.m.
On Wed, Jun 29, 2011 at 03:54:41PM +0800, Huang Shijie wrote:
> add the gpmi-nfc device for imx23.
> 
> Signed-off-by: Huang Shijie <b32955@freescale.com>
> ---
>  arch/arm/mach-mxs/clock-mx23.c                  |    1 +
>  arch/arm/mach-mxs/devices-mx23.h                |    4 +
>  arch/arm/mach-mxs/devices/Kconfig               |    3 +
>  arch/arm/mach-mxs/devices/Makefile              |    1 +
>  arch/arm/mach-mxs/devices/platform-gpmi-nfc.c   |   71 +++++++++++++++++++++++
>  arch/arm/mach-mxs/include/mach/devices-common.h |   10 +++
>  arch/arm/mach-mxs/mach-mx23evk.c                |   37 ++++++++++++
Can you split between arch and machine support please?
(I'd not split between imx28 and imx23, but that's up to you.)

>  7 files changed, 127 insertions(+), 0 deletions(-)
>  create mode 100644 arch/arm/mach-mxs/devices/platform-gpmi-nfc.c
> 
> diff --git a/arch/arm/mach-mxs/clock-mx23.c b/arch/arm/mach-mxs/clock-mx23.c
> index 0163b6d..e190c53 100644
> --- a/arch/arm/mach-mxs/clock-mx23.c
> +++ b/arch/arm/mach-mxs/clock-mx23.c
> @@ -456,6 +456,7 @@ static struct clk_lookup lookups[] = {
>  	_REGISTER_CLOCK("mxs-pwm.3", NULL, pwm_clk)
>  	_REGISTER_CLOCK("mxs-pwm.4", NULL, pwm_clk)
>  	_REGISTER_CLOCK("imx23-fb", NULL, lcdif_clk)
> +	_REGISTER_CLOCK("imx23-gpmi-nfc", NULL, gpmi_clk)
>  };
>  
>  static int clk_misc_init(void)
> diff --git a/arch/arm/mach-mxs/devices-mx23.h b/arch/arm/mach-mxs/devices-mx23.h
> index c6f345f..a9c495d 100644
> --- a/arch/arm/mach-mxs/devices-mx23.h
> +++ b/arch/arm/mach-mxs/devices-mx23.h
> @@ -21,6 +21,10 @@ extern const struct mxs_auart_data mx23_auart_data[] __initconst;
>  #define mx23_add_auart0()		mx23_add_auart(0)
>  #define mx23_add_auart1()		mx23_add_auart(1)
>  
> +extern const struct mxs_gpmi_nfc_data mx23_gpmi_nfc_data __initconst;
> +#define mx23_add_gpmi_nfc(pdata)	\
> +	mxs_add_gpmi_nfc(pdata, &mx23_gpmi_nfc_data)
> +
>  extern const struct mxs_mxs_mmc_data mx23_mxs_mmc_data[] __initconst;
>  #define mx23_add_mxs_mmc(id, pdata) \
>  	mxs_add_mxs_mmc(&mx23_mxs_mmc_data[id], pdata)
> diff --git a/arch/arm/mach-mxs/devices/Kconfig b/arch/arm/mach-mxs/devices/Kconfig
> index acf9eea..b42a14b 100644
> --- a/arch/arm/mach-mxs/devices/Kconfig
> +++ b/arch/arm/mach-mxs/devices/Kconfig
> @@ -12,6 +12,9 @@ config MXS_HAVE_PLATFORM_FLEXCAN
>  	select HAVE_CAN_FLEXCAN if CAN
>  	bool
>  
> +config MXS_HAVE_PLATFORM_GPMI_NFC
> +	bool
> +
>  config MXS_HAVE_PLATFORM_MXS_I2C
>  	bool
>  
> diff --git a/arch/arm/mach-mxs/devices/Makefile b/arch/arm/mach-mxs/devices/Makefile
> index 351915c..972abdc 100644
> --- a/arch/arm/mach-mxs/devices/Makefile
> +++ b/arch/arm/mach-mxs/devices/Makefile
> @@ -3,6 +3,7 @@ obj-$(CONFIG_MXS_HAVE_PLATFORM_AUART) += platform-auart.o
>  obj-y += platform-dma.o
>  obj-$(CONFIG_MXS_HAVE_PLATFORM_FEC) += platform-fec.o
>  obj-$(CONFIG_MXS_HAVE_PLATFORM_FLEXCAN) += platform-flexcan.o
> +obj-$(CONFIG_MXS_HAVE_PLATFORM_GPMI_NFC) += platform-gpmi-nfc.o
>  obj-$(CONFIG_MXS_HAVE_PLATFORM_MXS_I2C) += platform-mxs-i2c.o
>  obj-$(CONFIG_MXS_HAVE_PLATFORM_MXS_MMC) += platform-mxs-mmc.o
>  obj-$(CONFIG_MXS_HAVE_PLATFORM_MXS_PWM) += platform-mxs-pwm.o
> diff --git a/arch/arm/mach-mxs/devices/platform-gpmi-nfc.c b/arch/arm/mach-mxs/devices/platform-gpmi-nfc.c
> new file mode 100644
> index 0000000..5a68370
> --- /dev/null
> +++ b/arch/arm/mach-mxs/devices/platform-gpmi-nfc.c
> @@ -0,0 +1,71 @@
> +/*
> + * Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved.
> + *
> + * 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 <asm/sizes.h>
> +#include <mach/mx23.h>
> +#include <mach/devices-common.h>
> +
> +#define RES_MEM(soc, _id, _s, _n)				\
> +	{							\
> +		.start = soc ##_## _id ## _BASE_ADDR,		\
> +		.end   = soc ##_## _id ## _BASE_ADDR + (_s) - 1,\
> +		.name  = (_n),					\
> +		.flags = IORESOURCE_MEM,			\
> +	}
> +
> +#define RES_IRQ(soc, _id, _n)			\
> +	{					\
> +		.start = soc ##_INT_## _id,	\
> +		.end   = soc ##_INT_## _id,	\
> +		.name  = (_n),			\
> +		.flags = IORESOURCE_IRQ,	\
> +	}
> +
> +#define RES_DMA(soc, _i_s, _i_e, _n)		\
> +	{					\
> +		.start = soc ##_## _i_s,	\
> +		.end   = soc ##_## _i_e,	\
> +		.name  = (_n),			\
> +		.flags = IORESOURCE_DMA,	\
> +	}
> +
> +#ifdef CONFIG_SOC_IMX23
> +const struct mxs_gpmi_nfc_data mx23_gpmi_nfc_data __initconst = {
> +	.devid = "imx23-gpmi-nfc",
> +	.res = {
> +		/* GPMI */
> +		RES_MEM(MX23, GPMI, SZ_8K, GPMI_NFC_GPMI_REGS_ADDR_RES_NAME),
> +		RES_IRQ(MX23, GPMI_ATTENTION, GPMI_NFC_GPMI_INTERRUPT_RES_NAME),
> +		/* BCH */
> +		RES_MEM(MX23, BCH, SZ_8K, GPMI_NFC_BCH_REGS_ADDR_RES_NAME),
> +		RES_IRQ(MX23, BCH, GPMI_NFC_BCH_INTERRUPT_RES_NAME),
> +		/* DMA */
> +		RES_DMA(MX23, DMA_GPMI0, DMA_GPMI3,
> +					GPMI_NFC_DMA_CHANNELS_RES_NAME),
> +		RES_IRQ(MX23, GPMI_DMA, GPMI_NFC_DMA_INTERRUPT_RES_NAME),
> +	},
> +};
> +#endif
> +
> +struct platform_device *__init
> +mxs_add_gpmi_nfc(const struct gpmi_nfc_platform_data *pdata,
> +		const struct mxs_gpmi_nfc_data *data)
> +{
> +	return mxs_add_platform_device_dmamask(data->devid, -1,
> +				data->res, RES_SIZE,
> +				pdata, sizeof(*pdata), DMA_BIT_MASK(32));
> +}
> diff --git a/arch/arm/mach-mxs/include/mach/devices-common.h b/arch/arm/mach-mxs/include/mach/devices-common.h
> index 812d7a8..e032120 100644
> --- a/arch/arm/mach-mxs/include/mach/devices-common.h
> +++ b/arch/arm/mach-mxs/include/mach/devices-common.h
> @@ -66,6 +66,16 @@ struct platform_device *__init mxs_add_flexcan(
>  		const struct mxs_flexcan_data *data,
>  		const struct flexcan_platform_data *pdata);
>  
> +/* gpmi-nfc */
> +#include <mach/gpmi-nfc.h>
> +struct mxs_gpmi_nfc_data {
> +	const char *devid;
> +	const struct resource res[RES_SIZE];
> +};
> +struct platform_device *__init
> +mxs_add_gpmi_nfc(const struct gpmi_nfc_platform_data *pdata,
> +		const struct mxs_gpmi_nfc_data *data);
> +
>  /* i2c */
>  struct mxs_mxs_i2c_data {
>  	int id;
> diff --git a/arch/arm/mach-mxs/mach-mx23evk.c b/arch/arm/mach-mxs/mach-mx23evk.c
> index 3c2de33..772b373 100644
> --- a/arch/arm/mach-mxs/mach-mx23evk.c
> +++ b/arch/arm/mach-mxs/mach-mx23evk.c
> @@ -107,6 +107,42 @@ static const iomux_cfg_t mx23evk_pads[] __initconst = {
>  		(MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
>  };
>  
> +/* gpmi-nfc */
> +#define MXS_PAD_GPMI_NFC	(MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_NOPULL)
> +static iomux_cfg_t mx23evk_gpmi_nfc_pads[] = {
> +	MX23_PAD_GPMI_D00__GPMI_D00 | MXS_PAD_CTRL,
> +	MX23_PAD_GPMI_D01__GPMI_D01 | MXS_PAD_CTRL,
> +	MX23_PAD_GPMI_D02__GPMI_D02 | MXS_PAD_CTRL,
> +	MX23_PAD_GPMI_D03__GPMI_D03 | MXS_PAD_CTRL,
> +	MX23_PAD_GPMI_D04__GPMI_D04 | MXS_PAD_CTRL,
> +	MX23_PAD_GPMI_D05__GPMI_D05 | MXS_PAD_CTRL,
> +	MX23_PAD_GPMI_D06__GPMI_D06 | MXS_PAD_CTRL,
> +	MX23_PAD_GPMI_D07__GPMI_D07 | MXS_PAD_CTRL,
> +	MX23_PAD_GPMI_CLE__GPMI_CLE | MXS_PAD_CTRL,
> +	MX23_PAD_GPMI_ALE__GPMI_ALE | MXS_PAD_CTRL,
> +	MX23_PAD_GPMI_WPN__GPMI_WPN | MXS_PAD_GPMI_NFC,
> +	MX23_PAD_GPMI_WRN__GPMI_WRN | MXS_PAD_GPMI_NFC,
> +	MX23_PAD_GPMI_RDN__GPMI_RDN | MXS_PAD_GPMI_NFC,
> +	MX23_PAD_GPMI_RDY0__GPMI_RDY0 | MXS_PAD_CTRL,
> +	MX23_PAD_GPMI_RDY1__GPMI_RDY1 | MXS_PAD_CTRL,
> +	MX23_PAD_GPMI_CE0N__GPMI_CE0N | MXS_PAD_CTRL,
> +	MX23_PAD_GPMI_CE1N__GPMI_CE1N | MXS_PAD_CTRL,
> +};
> +
> +static int mx23evk_gpmi_nfc_platform_init(void)
> +{
> +	return mxs_iomux_setup_multiple_pads(mx23evk_gpmi_nfc_pads,
> +				ARRAY_SIZE(mx23evk_gpmi_nfc_pads));
> +}
> +
> +static const
> +struct gpmi_nfc_platform_data mx23evk_gpmi_nfc_data __initconst = {
> +	.platform_init		= mx23evk_gpmi_nfc_platform_init,
> +	.min_prop_delay_in_ns	= 5,
> +	.max_prop_delay_in_ns	= 9,
> +	.max_chip_count		= 1,
> +};
> +
>  /* mxsfb (lcdif) */
>  static struct fb_videomode mx23evk_video_modes[] = {
>  	{
> @@ -166,6 +202,7 @@ static void __init mx23evk_init(void)
>  	else
>  		gpio_set_value(MX23EVK_BL_ENABLE, 1);
>  
> +	mx23_add_gpmi_nfc(&mx23evk_gpmi_nfc_data);
>  	mx23_add_mxsfb(&mx23evk_mxsfb_pdata);
>  }
>  
> -- 
> 1.7.0.4
> 
> 
>
Huang Shijie - June 29, 2011, 9:21 a.m.
Hi :
> On Wed, Jun 29, 2011 at 03:54:41PM +0800, Huang Shijie wrote:
>> add the gpmi-nfc device for imx23.
>>
>> Signed-off-by: Huang Shijie<b32955@freescale.com>
>> ---
>>   arch/arm/mach-mxs/clock-mx23.c                  |    1 +
>>   arch/arm/mach-mxs/devices-mx23.h                |    4 +
>>   arch/arm/mach-mxs/devices/Kconfig               |    3 +
>>   arch/arm/mach-mxs/devices/Makefile              |    1 +
>>   arch/arm/mach-mxs/devices/platform-gpmi-nfc.c   |   71 +++++++++++++++++++++++
>>   arch/arm/mach-mxs/include/mach/devices-common.h |   10 +++
>>   arch/arm/mach-mxs/mach-mx23evk.c                |   37 ++++++++++++
> Can you split between arch and machine support please?
> (I'd not split between imx28 and imx23, but that's up to you.)
>
Ok , i will split it in the next version.

Best Regards
Huang Shijie
>>   7 files changed, 127 insertions(+), 0 deletions(-)
>>   create mode 100644 arch/arm/mach-mxs/devices/platform-gpmi-nfc.c
>>
>> diff --git a/arch/arm/mach-mxs/clock-mx23.c b/arch/arm/mach-mxs/clock-mx23.c
>> index 0163b6d..e190c53 100644
>> --- a/arch/arm/mach-mxs/clock-mx23.c
>> +++ b/arch/arm/mach-mxs/clock-mx23.c
>> @@ -456,6 +456,7 @@ static struct clk_lookup lookups[] = {
>>   	_REGISTER_CLOCK("mxs-pwm.3", NULL, pwm_clk)
>>   	_REGISTER_CLOCK("mxs-pwm.4", NULL, pwm_clk)
>>   	_REGISTER_CLOCK("imx23-fb", NULL, lcdif_clk)
>> +	_REGISTER_CLOCK("imx23-gpmi-nfc", NULL, gpmi_clk)
>>   };
>>
>>   static int clk_misc_init(void)
>> diff --git a/arch/arm/mach-mxs/devices-mx23.h b/arch/arm/mach-mxs/devices-mx23.h
>> index c6f345f..a9c495d 100644
>> --- a/arch/arm/mach-mxs/devices-mx23.h
>> +++ b/arch/arm/mach-mxs/devices-mx23.h
>> @@ -21,6 +21,10 @@ extern const struct mxs_auart_data mx23_auart_data[] __initconst;
>>   #define mx23_add_auart0()		mx23_add_auart(0)
>>   #define mx23_add_auart1()		mx23_add_auart(1)
>>
>> +extern const struct mxs_gpmi_nfc_data mx23_gpmi_nfc_data __initconst;
>> +#define mx23_add_gpmi_nfc(pdata)	\
>> +	mxs_add_gpmi_nfc(pdata,&mx23_gpmi_nfc_data)
>> +
>>   extern const struct mxs_mxs_mmc_data mx23_mxs_mmc_data[] __initconst;
>>   #define mx23_add_mxs_mmc(id, pdata) \
>>   	mxs_add_mxs_mmc(&mx23_mxs_mmc_data[id], pdata)
>> diff --git a/arch/arm/mach-mxs/devices/Kconfig b/arch/arm/mach-mxs/devices/Kconfig
>> index acf9eea..b42a14b 100644
>> --- a/arch/arm/mach-mxs/devices/Kconfig
>> +++ b/arch/arm/mach-mxs/devices/Kconfig
>> @@ -12,6 +12,9 @@ config MXS_HAVE_PLATFORM_FLEXCAN
>>   	select HAVE_CAN_FLEXCAN if CAN
>>   	bool
>>
>> +config MXS_HAVE_PLATFORM_GPMI_NFC
>> +	bool
>> +
>>   config MXS_HAVE_PLATFORM_MXS_I2C
>>   	bool
>>
>> diff --git a/arch/arm/mach-mxs/devices/Makefile b/arch/arm/mach-mxs/devices/Makefile
>> index 351915c..972abdc 100644
>> --- a/arch/arm/mach-mxs/devices/Makefile
>> +++ b/arch/arm/mach-mxs/devices/Makefile
>> @@ -3,6 +3,7 @@ obj-$(CONFIG_MXS_HAVE_PLATFORM_AUART) += platform-auart.o
>>   obj-y += platform-dma.o
>>   obj-$(CONFIG_MXS_HAVE_PLATFORM_FEC) += platform-fec.o
>>   obj-$(CONFIG_MXS_HAVE_PLATFORM_FLEXCAN) += platform-flexcan.o
>> +obj-$(CONFIG_MXS_HAVE_PLATFORM_GPMI_NFC) += platform-gpmi-nfc.o
>>   obj-$(CONFIG_MXS_HAVE_PLATFORM_MXS_I2C) += platform-mxs-i2c.o
>>   obj-$(CONFIG_MXS_HAVE_PLATFORM_MXS_MMC) += platform-mxs-mmc.o
>>   obj-$(CONFIG_MXS_HAVE_PLATFORM_MXS_PWM) += platform-mxs-pwm.o
>> diff --git a/arch/arm/mach-mxs/devices/platform-gpmi-nfc.c b/arch/arm/mach-mxs/devices/platform-gpmi-nfc.c
>> new file mode 100644
>> index 0000000..5a68370
>> --- /dev/null
>> +++ b/arch/arm/mach-mxs/devices/platform-gpmi-nfc.c
>> @@ -0,0 +1,71 @@
>> +/*
>> + * Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved.
>> + *
>> + * 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<asm/sizes.h>
>> +#include<mach/mx23.h>
>> +#include<mach/devices-common.h>
>> +
>> +#define RES_MEM(soc, _id, _s, _n)				\
>> +	{							\
>> +		.start = soc ##_## _id ## _BASE_ADDR,		\
>> +		.end   = soc ##_## _id ## _BASE_ADDR + (_s) - 1,\
>> +		.name  = (_n),					\
>> +		.flags = IORESOURCE_MEM,			\
>> +	}
>> +
>> +#define RES_IRQ(soc, _id, _n)			\
>> +	{					\
>> +		.start = soc ##_INT_## _id,	\
>> +		.end   = soc ##_INT_## _id,	\
>> +		.name  = (_n),			\
>> +		.flags = IORESOURCE_IRQ,	\
>> +	}
>> +
>> +#define RES_DMA(soc, _i_s, _i_e, _n)		\
>> +	{					\
>> +		.start = soc ##_## _i_s,	\
>> +		.end   = soc ##_## _i_e,	\
>> +		.name  = (_n),			\
>> +		.flags = IORESOURCE_DMA,	\
>> +	}
>> +
>> +#ifdef CONFIG_SOC_IMX23
>> +const struct mxs_gpmi_nfc_data mx23_gpmi_nfc_data __initconst = {
>> +	.devid = "imx23-gpmi-nfc",
>> +	.res = {
>> +		/* GPMI */
>> +		RES_MEM(MX23, GPMI, SZ_8K, GPMI_NFC_GPMI_REGS_ADDR_RES_NAME),
>> +		RES_IRQ(MX23, GPMI_ATTENTION, GPMI_NFC_GPMI_INTERRUPT_RES_NAME),
>> +		/* BCH */
>> +		RES_MEM(MX23, BCH, SZ_8K, GPMI_NFC_BCH_REGS_ADDR_RES_NAME),
>> +		RES_IRQ(MX23, BCH, GPMI_NFC_BCH_INTERRUPT_RES_NAME),
>> +		/* DMA */
>> +		RES_DMA(MX23, DMA_GPMI0, DMA_GPMI3,
>> +					GPMI_NFC_DMA_CHANNELS_RES_NAME),
>> +		RES_IRQ(MX23, GPMI_DMA, GPMI_NFC_DMA_INTERRUPT_RES_NAME),
>> +	},
>> +};
>> +#endif
>> +
>> +struct platform_device *__init
>> +mxs_add_gpmi_nfc(const struct gpmi_nfc_platform_data *pdata,
>> +		const struct mxs_gpmi_nfc_data *data)
>> +{
>> +	return mxs_add_platform_device_dmamask(data->devid, -1,
>> +				data->res, RES_SIZE,
>> +				pdata, sizeof(*pdata), DMA_BIT_MASK(32));
>> +}
>> diff --git a/arch/arm/mach-mxs/include/mach/devices-common.h b/arch/arm/mach-mxs/include/mach/devices-common.h
>> index 812d7a8..e032120 100644
>> --- a/arch/arm/mach-mxs/include/mach/devices-common.h
>> +++ b/arch/arm/mach-mxs/include/mach/devices-common.h
>> @@ -66,6 +66,16 @@ struct platform_device *__init mxs_add_flexcan(
>>   		const struct mxs_flexcan_data *data,
>>   		const struct flexcan_platform_data *pdata);
>>
>> +/* gpmi-nfc */
>> +#include<mach/gpmi-nfc.h>
>> +struct mxs_gpmi_nfc_data {
>> +	const char *devid;
>> +	const struct resource res[RES_SIZE];
>> +};
>> +struct platform_device *__init
>> +mxs_add_gpmi_nfc(const struct gpmi_nfc_platform_data *pdata,
>> +		const struct mxs_gpmi_nfc_data *data);
>> +
>>   /* i2c */
>>   struct mxs_mxs_i2c_data {
>>   	int id;
>> diff --git a/arch/arm/mach-mxs/mach-mx23evk.c b/arch/arm/mach-mxs/mach-mx23evk.c
>> index 3c2de33..772b373 100644
>> --- a/arch/arm/mach-mxs/mach-mx23evk.c
>> +++ b/arch/arm/mach-mxs/mach-mx23evk.c
>> @@ -107,6 +107,42 @@ static const iomux_cfg_t mx23evk_pads[] __initconst = {
>>   		(MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
>>   };
>>
>> +/* gpmi-nfc */
>> +#define MXS_PAD_GPMI_NFC	(MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_NOPULL)
>> +static iomux_cfg_t mx23evk_gpmi_nfc_pads[] = {
>> +	MX23_PAD_GPMI_D00__GPMI_D00 | MXS_PAD_CTRL,
>> +	MX23_PAD_GPMI_D01__GPMI_D01 | MXS_PAD_CTRL,
>> +	MX23_PAD_GPMI_D02__GPMI_D02 | MXS_PAD_CTRL,
>> +	MX23_PAD_GPMI_D03__GPMI_D03 | MXS_PAD_CTRL,
>> +	MX23_PAD_GPMI_D04__GPMI_D04 | MXS_PAD_CTRL,
>> +	MX23_PAD_GPMI_D05__GPMI_D05 | MXS_PAD_CTRL,
>> +	MX23_PAD_GPMI_D06__GPMI_D06 | MXS_PAD_CTRL,
>> +	MX23_PAD_GPMI_D07__GPMI_D07 | MXS_PAD_CTRL,
>> +	MX23_PAD_GPMI_CLE__GPMI_CLE | MXS_PAD_CTRL,
>> +	MX23_PAD_GPMI_ALE__GPMI_ALE | MXS_PAD_CTRL,
>> +	MX23_PAD_GPMI_WPN__GPMI_WPN | MXS_PAD_GPMI_NFC,
>> +	MX23_PAD_GPMI_WRN__GPMI_WRN | MXS_PAD_GPMI_NFC,
>> +	MX23_PAD_GPMI_RDN__GPMI_RDN | MXS_PAD_GPMI_NFC,
>> +	MX23_PAD_GPMI_RDY0__GPMI_RDY0 | MXS_PAD_CTRL,
>> +	MX23_PAD_GPMI_RDY1__GPMI_RDY1 | MXS_PAD_CTRL,
>> +	MX23_PAD_GPMI_CE0N__GPMI_CE0N | MXS_PAD_CTRL,
>> +	MX23_PAD_GPMI_CE1N__GPMI_CE1N | MXS_PAD_CTRL,
>> +};
>> +
>> +static int mx23evk_gpmi_nfc_platform_init(void)
>> +{
>> +	return mxs_iomux_setup_multiple_pads(mx23evk_gpmi_nfc_pads,
>> +				ARRAY_SIZE(mx23evk_gpmi_nfc_pads));
>> +}
>> +
>> +static const
>> +struct gpmi_nfc_platform_data mx23evk_gpmi_nfc_data __initconst = {
>> +	.platform_init		= mx23evk_gpmi_nfc_platform_init,
>> +	.min_prop_delay_in_ns	= 5,
>> +	.max_prop_delay_in_ns	= 9,
>> +	.max_chip_count		= 1,
>> +};
>> +
>>   /* mxsfb (lcdif) */
>>   static struct fb_videomode mx23evk_video_modes[] = {
>>   	{
>> @@ -166,6 +202,7 @@ static void __init mx23evk_init(void)
>>   	else
>>   		gpio_set_value(MX23EVK_BL_ENABLE, 1);
>>
>> +	mx23_add_gpmi_nfc(&mx23evk_gpmi_nfc_data);
>>   	mx23_add_mxsfb(&mx23evk_mxsfb_pdata);
>>   }
>>
>> -- 
>> 1.7.0.4
>>
>>
>>

Patch

diff --git a/arch/arm/mach-mxs/clock-mx23.c b/arch/arm/mach-mxs/clock-mx23.c
index 0163b6d..e190c53 100644
--- a/arch/arm/mach-mxs/clock-mx23.c
+++ b/arch/arm/mach-mxs/clock-mx23.c
@@ -456,6 +456,7 @@  static struct clk_lookup lookups[] = {
 	_REGISTER_CLOCK("mxs-pwm.3", NULL, pwm_clk)
 	_REGISTER_CLOCK("mxs-pwm.4", NULL, pwm_clk)
 	_REGISTER_CLOCK("imx23-fb", NULL, lcdif_clk)
+	_REGISTER_CLOCK("imx23-gpmi-nfc", NULL, gpmi_clk)
 };
 
 static int clk_misc_init(void)
diff --git a/arch/arm/mach-mxs/devices-mx23.h b/arch/arm/mach-mxs/devices-mx23.h
index c6f345f..a9c495d 100644
--- a/arch/arm/mach-mxs/devices-mx23.h
+++ b/arch/arm/mach-mxs/devices-mx23.h
@@ -21,6 +21,10 @@  extern const struct mxs_auart_data mx23_auart_data[] __initconst;
 #define mx23_add_auart0()		mx23_add_auart(0)
 #define mx23_add_auart1()		mx23_add_auart(1)
 
+extern const struct mxs_gpmi_nfc_data mx23_gpmi_nfc_data __initconst;
+#define mx23_add_gpmi_nfc(pdata)	\
+	mxs_add_gpmi_nfc(pdata, &mx23_gpmi_nfc_data)
+
 extern const struct mxs_mxs_mmc_data mx23_mxs_mmc_data[] __initconst;
 #define mx23_add_mxs_mmc(id, pdata) \
 	mxs_add_mxs_mmc(&mx23_mxs_mmc_data[id], pdata)
diff --git a/arch/arm/mach-mxs/devices/Kconfig b/arch/arm/mach-mxs/devices/Kconfig
index acf9eea..b42a14b 100644
--- a/arch/arm/mach-mxs/devices/Kconfig
+++ b/arch/arm/mach-mxs/devices/Kconfig
@@ -12,6 +12,9 @@  config MXS_HAVE_PLATFORM_FLEXCAN
 	select HAVE_CAN_FLEXCAN if CAN
 	bool
 
+config MXS_HAVE_PLATFORM_GPMI_NFC
+	bool
+
 config MXS_HAVE_PLATFORM_MXS_I2C
 	bool
 
diff --git a/arch/arm/mach-mxs/devices/Makefile b/arch/arm/mach-mxs/devices/Makefile
index 351915c..972abdc 100644
--- a/arch/arm/mach-mxs/devices/Makefile
+++ b/arch/arm/mach-mxs/devices/Makefile
@@ -3,6 +3,7 @@  obj-$(CONFIG_MXS_HAVE_PLATFORM_AUART) += platform-auart.o
 obj-y += platform-dma.o
 obj-$(CONFIG_MXS_HAVE_PLATFORM_FEC) += platform-fec.o
 obj-$(CONFIG_MXS_HAVE_PLATFORM_FLEXCAN) += platform-flexcan.o
+obj-$(CONFIG_MXS_HAVE_PLATFORM_GPMI_NFC) += platform-gpmi-nfc.o
 obj-$(CONFIG_MXS_HAVE_PLATFORM_MXS_I2C) += platform-mxs-i2c.o
 obj-$(CONFIG_MXS_HAVE_PLATFORM_MXS_MMC) += platform-mxs-mmc.o
 obj-$(CONFIG_MXS_HAVE_PLATFORM_MXS_PWM) += platform-mxs-pwm.o
diff --git a/arch/arm/mach-mxs/devices/platform-gpmi-nfc.c b/arch/arm/mach-mxs/devices/platform-gpmi-nfc.c
new file mode 100644
index 0000000..5a68370
--- /dev/null
+++ b/arch/arm/mach-mxs/devices/platform-gpmi-nfc.c
@@ -0,0 +1,71 @@ 
+/*
+ * Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved.
+ *
+ * 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 <asm/sizes.h>
+#include <mach/mx23.h>
+#include <mach/devices-common.h>
+
+#define RES_MEM(soc, _id, _s, _n)				\
+	{							\
+		.start = soc ##_## _id ## _BASE_ADDR,		\
+		.end   = soc ##_## _id ## _BASE_ADDR + (_s) - 1,\
+		.name  = (_n),					\
+		.flags = IORESOURCE_MEM,			\
+	}
+
+#define RES_IRQ(soc, _id, _n)			\
+	{					\
+		.start = soc ##_INT_## _id,	\
+		.end   = soc ##_INT_## _id,	\
+		.name  = (_n),			\
+		.flags = IORESOURCE_IRQ,	\
+	}
+
+#define RES_DMA(soc, _i_s, _i_e, _n)		\
+	{					\
+		.start = soc ##_## _i_s,	\
+		.end   = soc ##_## _i_e,	\
+		.name  = (_n),			\
+		.flags = IORESOURCE_DMA,	\
+	}
+
+#ifdef CONFIG_SOC_IMX23
+const struct mxs_gpmi_nfc_data mx23_gpmi_nfc_data __initconst = {
+	.devid = "imx23-gpmi-nfc",
+	.res = {
+		/* GPMI */
+		RES_MEM(MX23, GPMI, SZ_8K, GPMI_NFC_GPMI_REGS_ADDR_RES_NAME),
+		RES_IRQ(MX23, GPMI_ATTENTION, GPMI_NFC_GPMI_INTERRUPT_RES_NAME),
+		/* BCH */
+		RES_MEM(MX23, BCH, SZ_8K, GPMI_NFC_BCH_REGS_ADDR_RES_NAME),
+		RES_IRQ(MX23, BCH, GPMI_NFC_BCH_INTERRUPT_RES_NAME),
+		/* DMA */
+		RES_DMA(MX23, DMA_GPMI0, DMA_GPMI3,
+					GPMI_NFC_DMA_CHANNELS_RES_NAME),
+		RES_IRQ(MX23, GPMI_DMA, GPMI_NFC_DMA_INTERRUPT_RES_NAME),
+	},
+};
+#endif
+
+struct platform_device *__init
+mxs_add_gpmi_nfc(const struct gpmi_nfc_platform_data *pdata,
+		const struct mxs_gpmi_nfc_data *data)
+{
+	return mxs_add_platform_device_dmamask(data->devid, -1,
+				data->res, RES_SIZE,
+				pdata, sizeof(*pdata), DMA_BIT_MASK(32));
+}
diff --git a/arch/arm/mach-mxs/include/mach/devices-common.h b/arch/arm/mach-mxs/include/mach/devices-common.h
index 812d7a8..e032120 100644
--- a/arch/arm/mach-mxs/include/mach/devices-common.h
+++ b/arch/arm/mach-mxs/include/mach/devices-common.h
@@ -66,6 +66,16 @@  struct platform_device *__init mxs_add_flexcan(
 		const struct mxs_flexcan_data *data,
 		const struct flexcan_platform_data *pdata);
 
+/* gpmi-nfc */
+#include <mach/gpmi-nfc.h>
+struct mxs_gpmi_nfc_data {
+	const char *devid;
+	const struct resource res[RES_SIZE];
+};
+struct platform_device *__init
+mxs_add_gpmi_nfc(const struct gpmi_nfc_platform_data *pdata,
+		const struct mxs_gpmi_nfc_data *data);
+
 /* i2c */
 struct mxs_mxs_i2c_data {
 	int id;
diff --git a/arch/arm/mach-mxs/mach-mx23evk.c b/arch/arm/mach-mxs/mach-mx23evk.c
index 3c2de33..772b373 100644
--- a/arch/arm/mach-mxs/mach-mx23evk.c
+++ b/arch/arm/mach-mxs/mach-mx23evk.c
@@ -107,6 +107,42 @@  static const iomux_cfg_t mx23evk_pads[] __initconst = {
 		(MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
 };
 
+/* gpmi-nfc */
+#define MXS_PAD_GPMI_NFC	(MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_NOPULL)
+static iomux_cfg_t mx23evk_gpmi_nfc_pads[] = {
+	MX23_PAD_GPMI_D00__GPMI_D00 | MXS_PAD_CTRL,
+	MX23_PAD_GPMI_D01__GPMI_D01 | MXS_PAD_CTRL,
+	MX23_PAD_GPMI_D02__GPMI_D02 | MXS_PAD_CTRL,
+	MX23_PAD_GPMI_D03__GPMI_D03 | MXS_PAD_CTRL,
+	MX23_PAD_GPMI_D04__GPMI_D04 | MXS_PAD_CTRL,
+	MX23_PAD_GPMI_D05__GPMI_D05 | MXS_PAD_CTRL,
+	MX23_PAD_GPMI_D06__GPMI_D06 | MXS_PAD_CTRL,
+	MX23_PAD_GPMI_D07__GPMI_D07 | MXS_PAD_CTRL,
+	MX23_PAD_GPMI_CLE__GPMI_CLE | MXS_PAD_CTRL,
+	MX23_PAD_GPMI_ALE__GPMI_ALE | MXS_PAD_CTRL,
+	MX23_PAD_GPMI_WPN__GPMI_WPN | MXS_PAD_GPMI_NFC,
+	MX23_PAD_GPMI_WRN__GPMI_WRN | MXS_PAD_GPMI_NFC,
+	MX23_PAD_GPMI_RDN__GPMI_RDN | MXS_PAD_GPMI_NFC,
+	MX23_PAD_GPMI_RDY0__GPMI_RDY0 | MXS_PAD_CTRL,
+	MX23_PAD_GPMI_RDY1__GPMI_RDY1 | MXS_PAD_CTRL,
+	MX23_PAD_GPMI_CE0N__GPMI_CE0N | MXS_PAD_CTRL,
+	MX23_PAD_GPMI_CE1N__GPMI_CE1N | MXS_PAD_CTRL,
+};
+
+static int mx23evk_gpmi_nfc_platform_init(void)
+{
+	return mxs_iomux_setup_multiple_pads(mx23evk_gpmi_nfc_pads,
+				ARRAY_SIZE(mx23evk_gpmi_nfc_pads));
+}
+
+static const
+struct gpmi_nfc_platform_data mx23evk_gpmi_nfc_data __initconst = {
+	.platform_init		= mx23evk_gpmi_nfc_platform_init,
+	.min_prop_delay_in_ns	= 5,
+	.max_prop_delay_in_ns	= 9,
+	.max_chip_count		= 1,
+};
+
 /* mxsfb (lcdif) */
 static struct fb_videomode mx23evk_video_modes[] = {
 	{
@@ -166,6 +202,7 @@  static void __init mx23evk_init(void)
 	else
 		gpio_set_value(MX23EVK_BL_ENABLE, 1);
 
+	mx23_add_gpmi_nfc(&mx23evk_gpmi_nfc_data);
 	mx23_add_mxsfb(&mx23evk_mxsfb_pdata);
 }