[PATCH] ARM: SAMSUNG: Add keypad device support

[Kukjin Kim]

Joonyoung Shim wrote:
> 
> This patch adds samsung keypad device definition for samsung cpus.
> 
> Signed-off-by: Joonyoung Shim <jy0922.shim at samsung.com>
> Signed-off-by: Kyungmin Park <kyungmin.park at samsung.com>
> ---
> This patch is to add samsung keypad device. It is updated single version
> of previous patch "[PATCH v6 1/3] ARM: SAMSUNG: Add keypad device
> support".

Ok, this is better...will replace an old one with this.

Thanks.

Best regards,
Kgene.
--
Kukjin Kim <kgene.kim at samsung.com>, Senior Engineer,
SW Solution Development Team, Samsung Electronics Co., Ltd.

> 
>  arch/arm/plat-samsung/Kconfig               |    5 +++
>  arch/arm/plat-samsung/Makefile              |    1 +
>  arch/arm/plat-samsung/dev-keypad.c          |   50
> +++++++++++++++++++++++++++
>  arch/arm/plat-samsung/include/plat/devs.h   |    2 +
>  arch/arm/plat-samsung/include/plat/keypad.h |   13 +++++++
>  5 files changed, 71 insertions(+), 0 deletions(-)
>  create mode 100644 arch/arm/plat-samsung/dev-keypad.c
> 
> diff --git a/arch/arm/plat-samsung/Kconfig b/arch/arm/plat-samsung/Kconfig
> index 2753fb3..bd007e3 100644
> --- a/arch/arm/plat-samsung/Kconfig
> +++ b/arch/arm/plat-samsung/Kconfig
> @@ -227,6 +227,11 @@ config SAMSUNG_DEV_TS
>  	help
>  	    Common in platform device definitions for touchscreen device
> 
> +config SAMSUNG_DEV_KEYPAD
> +	bool
> +	help
> +	  Compile in platform device definitions for keypad
> +
>  # DMA
> 
>  config S3C_DMA
> diff --git a/arch/arm/plat-samsung/Makefile
b/arch/arm/plat-samsung/Makefile
> index 228c2ad..ef00c47 100644
> --- a/arch/arm/plat-samsung/Makefile
> +++ b/arch/arm/plat-samsung/Makefile
> @@ -50,6 +50,7 @@ obj-$(CONFIG_S3C_DEV_RTC)	+= dev-rtc.o
> 
>  obj-$(CONFIG_SAMSUNG_DEV_ADC)	+= dev-adc.o
>  obj-$(CONFIG_SAMSUNG_DEV_TS)	+= dev-ts.o
> +obj-$(CONFIG_SAMSUNG_DEV_KEYPAD)	+= dev-keypad.o
> 
>  # DMA support
> 
> diff --git a/arch/arm/plat-samsung/dev-keypad.c
b/arch/arm/plat-samsung/dev-
> keypad.c
> new file mode 100644
> index 0000000..677c2d7
> --- /dev/null
> +++ b/arch/arm/plat-samsung/dev-keypad.c
> @@ -0,0 +1,50 @@
> +/*
> + * linux/arch/arm/plat-samsung/dev-keypad.c
> + *
> + * Copyright (C) 2010 Samsung Electronics Co.Ltd
> + * Author: Joonyoung Shim <jy0922.shim at samsung.com>
> + *
> + *  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.
> + *
> + */
> +
> +#include <linux/platform_device.h>
> +#include <mach/irqs.h>
> +#include <mach/map.h>
> +#include <plat/cpu.h>
> +#include <plat/devs.h>
> +#include <plat/keypad.h>
> +
> +static struct resource samsung_keypad_resources[] = {
> +	[0] = {
> +		.start	= SAMSUNG_PA_KEYPAD,
> +		.end	= SAMSUNG_PA_KEYPAD + 0x20 - 1,
> +		.flags	= IORESOURCE_MEM,
> +	},
> +	[1] = {
> +		.start	= IRQ_KEYPAD,
> +		.end	= IRQ_KEYPAD,
> +		.flags	= IORESOURCE_IRQ,
> +	},
> +};
> +
> +struct platform_device samsung_device_keypad = {
> +	.name		= "samsung-keypad",
> +	.id		= -1,
> +	.num_resources	= ARRAY_SIZE(samsung_keypad_resources),
> +	.resource	= samsung_keypad_resources,
> +};
> +
> +void __init samsung_keypad_set_platdata(struct samsung_keypad_platdata
*pd)
> +{
> +	struct samsung_keypad_platdata *npd;
> +
> +	npd = s3c_set_platdata(pd, sizeof(struct samsung_keypad_platdata),
> +			&samsung_device_keypad);
> +
> +	if (!npd->cfg_gpio)
> +		npd->cfg_gpio = samsung_keypad_cfg_gpio;
> +}
> diff --git a/arch/arm/plat-samsung/include/plat/devs.h b/arch/arm/plat-
> samsung/include/plat/devs.h
> index 6760999..c06386b 100644
> --- a/arch/arm/plat-samsung/include/plat/devs.h
> +++ b/arch/arm/plat-samsung/include/plat/devs.h
> @@ -100,6 +100,8 @@ extern struct platform_device s5pc100_device_iis0;
>  extern struct platform_device s5pc100_device_iis1;
>  extern struct platform_device s5pc100_device_iis2;
> 
> +extern struct platform_device samsung_device_keypad;
> +
>  /* s3c2440 specific devices */
> 
>  #ifdef CONFIG_CPU_S3C2440
> diff --git a/arch/arm/plat-samsung/include/plat/keypad.h b/arch/arm/plat-
> samsung/include/plat/keypad.h
> index 3a70c12..b59a648 100644
> --- a/arch/arm/plat-samsung/include/plat/keypad.h
> +++ b/arch/arm/plat-samsung/include/plat/keypad.h
> @@ -40,4 +40,17 @@ struct samsung_keypad_platdata {
>  	void (*cfg_gpio)(unsigned int rows, unsigned int cols);
>  };
> 
> +/**
> + * samsung_keypad_set_platdata - Set platform data for Samsung Keypad
> device.
> + * @pd: Platform data to register to device.
> + *
> + * Register the given platform data for use with Samsung Keypad device.
> + * The call will copy the platform data, so the board definitions can
> + * make the structure itself __initdata.
> + */
> +extern void samsung_keypad_set_platdata(struct samsung_keypad_platdata
*pd);
> +
> +/* defined by architecture to configure gpio. */
> +extern void samsung_keypad_cfg_gpio(unsigned int rows, unsigned int
cols);
> +
>  #endif /* __PLAT_SAMSUNG_KEYPAD_H */
> --