[PATCH v2.6.34-rc2] s3c: Adds support for banks H and J on S3C244X CPUs

[anarsoul@gmail.com (Vasily Khoruzhick)]

? ????????? ?? 30 ????? 2010 11:22:47 ????? Christian Pellegrin ???????:
> This patch adds support to gpiolib for GPIO bank J present on S3C244X
> CPUs.
> 
> Signed-off-by: Christian Pellegrin <chripell@fsfe.org>
Tested-by: Vasily Khoruzhick <anarsoul@gmail.com>

> ---
>  arch/arm/mach-s3c2410/include/mach/gpio-nrs.h |    4 ++++
>  arch/arm/mach-s3c2410/include/mach/gpio.h     |    8 ++++++++
>  arch/arm/plat-s3c24xx/gpiolib.c               |   16 +++++++++++++++-
>  3 files changed, 27 insertions(+), 1 deletions(-)
> 
> diff --git a/arch/arm/mach-s3c2410/include/mach/gpio-nrs.h
> b/arch/arm/mach-s3c2410/include/mach/gpio-nrs.h index 2edbb9c..f1f32e2
> 100644
> --- a/arch/arm/mach-s3c2410/include/mach/gpio-nrs.h
> +++ b/arch/arm/mach-s3c2410/include/mach/gpio-nrs.h
> @@ -24,6 +24,7 @@
>  #define S3C2410_GPIO_BANKF   (32*5)
>  #define S3C2410_GPIO_BANKG   (32*6)
>  #define S3C2410_GPIO_BANKH   (32*7)
> +#define S3C2410_GPIO_BANKJ   (32*8)
> 
>  /* GPIO bank sizes */
>  #define S3C2410_GPIO_A_NR	(32)
> @@ -34,6 +35,7 @@
>  #define S3C2410_GPIO_F_NR	(32)
>  #define S3C2410_GPIO_G_NR	(32)
>  #define S3C2410_GPIO_H_NR	(32)
> +#define S3C2410_GPIO_J_NR	(32)
> 
>  #if CONFIG_S3C_GPIO_SPACE != 0
>  #error CONFIG_S3C_GPIO_SPACE cannot be zero at the moment
> @@ -53,6 +55,7 @@ enum s3c_gpio_number {
>  	S3C2410_GPIO_F_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_E),
>  	S3C2410_GPIO_G_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_F),
>  	S3C2410_GPIO_H_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_G),
> +	S3C2410_GPIO_J_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_H),
>  };
> 
>  #endif /* __ASSEMBLY__ */
> @@ -67,6 +70,7 @@ enum s3c_gpio_number {
>  #define S3C2410_GPF(_nr)	(S3C2410_GPIO_F_START + (_nr))
>  #define S3C2410_GPG(_nr)	(S3C2410_GPIO_G_START + (_nr))
>  #define S3C2410_GPH(_nr)	(S3C2410_GPIO_H_START + (_nr))
> +#define S3C2410_GPJ(_nr)	(S3C2410_GPIO_J_START + (_nr))
> 
>  /* compatibility until drivers can be modified */
> 
> diff --git a/arch/arm/mach-s3c2410/include/mach/gpio.h
> b/arch/arm/mach-s3c2410/include/mach/gpio.h index 15f0b3e..1528fc7 100644
> --- a/arch/arm/mach-s3c2410/include/mach/gpio.h
> +++ b/arch/arm/mach-s3c2410/include/mach/gpio.h
> @@ -20,10 +20,18 @@
>   * devices that need GPIO.
>   */
> 
> +#ifdef CONFIG_CPU_S3C244X
> +#define ARCH_NR_GPIOS	(32 * 9 + CONFIG_S3C24XX_GPIO_EXTRA)
> +#else
>  #define ARCH_NR_GPIOS	(256 + CONFIG_S3C24XX_GPIO_EXTRA)
> +#endif
> 
>  #include <asm-generic/gpio.h>
>  #include <mach/gpio-nrs.h>
>  #include <mach/gpio-fns.h>
> 
> +#ifdef CONFIG_CPU_S3C244X
> +#define S3C_GPIO_END	(S3C2410_GPIO_BANKJ + 32)
> +#else
>  #define S3C_GPIO_END	(S3C2410_GPIO_BANKH + 32)
> +#endif
> diff --git a/arch/arm/plat-s3c24xx/gpiolib.c
> b/arch/arm/plat-s3c24xx/gpiolib.c index 4f0f11a..0818a6e 100644
> --- a/arch/arm/plat-s3c24xx/gpiolib.c
> +++ b/arch/arm/plat-s3c24xx/gpiolib.c
> @@ -26,6 +26,7 @@
>  #include <plat/pm.h>
> 
>  #include <mach/regs-gpio.h>
> +#include <mach/regs-gpioj.h>
> 
>  static int s3c24xx_gpiolib_banka_input(struct gpio_chip *chip, unsigned
> offset) {
> @@ -151,7 +152,8 @@ struct s3c_gpio_chip s3c24xx_gpios[] = {
>  			.ngpio			= 16,
>  			.to_irq			= s3c24xx_gpiolib_bankg_toirq,
>  		},
> -	}, {
> +	},
> +	[7] = {
>  		.base	= S3C2410_GPHCON,
>  		.pm	= __gpio_pm(&s3c_gpio_pm_2bit),
>  		.chip	= {
> @@ -161,6 +163,18 @@ struct s3c_gpio_chip s3c24xx_gpios[] = {
>  			.ngpio			= 11,
>  		},
>  	},
> +#ifdef CONFIG_CPU_S3C244X
> +	[8] = {
> +		.base	= S3C2440_GPJCON,
> +		.pm	= __gpio_pm(&s3c_gpio_pm_2bit),
> +		.chip	= {
> +			.base			= S3C2410_GPJ(0),
> +			.owner			= THIS_MODULE,
> +			.label			= "GPIOJ",
> +			.ngpio			= 13,
> +		},
> +	},
> +#endif
>  };
> 
>  static __init int s3c24xx_gpiolib_init(void)
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