Re: [PATCH 4/7] ARM: S3C64XX: Add touchscreen platform device definition

[Ben Dooks <ben-linux@fluff.org>]

On Mon, Mar 08, 2010 at 07:38:53PM +0100, Maurus Cuelenaere wrote:

please don't send patches with no description.

> Signed-off-by: Maurus Cuelenaere <mcuelenaere@gmail.com>
> ---
>  arch/arm/mach-s3c64xx/Makefile |    1 +
>  arch/arm/mach-s3c64xx/dev-ts.c |   61 ++++++++++++++++++++++++++++++++++++++++
>  arch/arm/plat-samsung/Kconfig  |    6 ++++
>  3 files changed, 68 insertions(+), 0 deletions(-)
>  create mode 100644 arch/arm/mach-s3c64xx/dev-ts.c
> 
> diff --git a/arch/arm/mach-s3c64xx/Makefile b/arch/arm/mach-s3c64xx/Makefile
> index d1d341a..02bc97f 100644
> --- a/arch/arm/mach-s3c64xx/Makefile
> +++ b/arch/arm/mach-s3c64xx/Makefile
> @@ -60,3 +60,4 @@ obj-y				+= dev-rtc.o
>  obj-$(CONFIG_S3C_ADC)		+= dev-adc.o
>  obj-$(CONFIG_SND_S3C24XX_SOC)	+= dev-audio.o
>  obj-$(CONFIG_S3C64XX_DEV_SPI)	+= dev-spi.o
> +obj-$(CONFIG_S3C64XX_DEV_TS)  += dev-ts.o
> diff --git a/arch/arm/mach-s3c64xx/dev-ts.c b/arch/arm/mach-s3c64xx/dev-ts.c
> new file mode 100644
> index 0000000..17cc793
> --- /dev/null
> +++ b/arch/arm/mach-s3c64xx/dev-ts.c
> @@ -0,0 +1,61 @@
> +/* linux/arch/arm/mach-s3c64xx/dev-ts.c
> + *
> + * Copyright (c) 2008 Simtec Electronics
> + *	http://armlinux.simtec.co.uk/
> + *	Ben Dooks <ben@simtec.co.uk>, <ben-linux@fluff.org>
> + *
> + * Adapted by Maurus Cuelenaere for s3c64xx
> + *
> + * S3C64XX series device definition for touchscreen device
> + *
> + * 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 <linux/kernel.h>
> +#include <linux/string.h>
> +#include <linux/platform_device.h>
> +
> +#include <mach/irqs.h>
> +#include <mach/map.h>
> +
> +#include <plat/devs.h>
> +#include <plat/ts.h>
> +
> +static struct resource s3c_ts_resource[] = {
> +	[0] = {
> +		.start = S3C64XX_PA_ADC,
> +		.end   = S3C64XX_PA_ADC + SZ_256 - 1,
> +		.flags = IORESOURCE_MEM,
> +	},
> +	[1] = {
> +		.start = IRQ_TC,
> +		.end   = IRQ_TC,
> +		.flags = IORESOURCE_IRQ,
> +	},
> +};
> +
> +struct platform_device s3c_device_ts = {
> +	.name		= "s3c64xx-ts",
> +	.id		= -1,
> +	.num_resources	= ARRAY_SIZE(s3c_ts_resource),
> +	.resource	= s3c_ts_resource,
> +};
> +
> +void __init s3c24xx_ts_set_platdata(struct s3c2410_ts_mach_info *pd)
> +{
> +	struct s3c2410_ts_mach_info *npd;
> +
> +	if (!pd) {
> +		printk(KERN_ERR "%s: no platform data\n", __func__);
> +		return;
> +	}
> +
> +	npd = kmemdup(pd, sizeof(struct s3c2410_ts_mach_info), GFP_KERNEL);
> +	if (!npd)
> +		printk(KERN_ERR "%s: no memory for platform data\n", __func__);
> +
> +	s3c_device_ts.dev.platform_data = npd;
> +}
> +EXPORT_SYMBOL(s3c24xx_ts_set_platdata);
> diff --git a/arch/arm/plat-samsung/Kconfig b/arch/arm/plat-samsung/Kconfig
> index d552c65..5d3ef35 100644
> --- a/arch/arm/plat-samsung/Kconfig
> +++ b/arch/arm/plat-samsung/Kconfig
> @@ -191,6 +191,12 @@ config S3C64XX_DEV_SPI
>  	  Compile in platform device definitions for S3C64XX's type
>  	  SPI controllers.
> 
> +config S3C64XX_DEV_TS
> +	bool
> +	help
> +	    Common in platform device definitions for S3C64XX touchscreen
> +	    device
> +
>  # DMA
> 
>  config S3C_DMA
> -- 
> 1.7.0.1
> --
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-- 
-- 
Ben

Q:      What's a light-year?
A:      One-third less calories than a regular year.