[PATCH v2.6.34-rc2] s3c: Adds support for banks H and J on S3C244X CPUs
Vasily Khoruzhick
anarsoul at gmail.com
Fri Apr 23 02:34:08 EDT 2010
В сообщении от 30 марта 2010 11:22:47 автор Christian Pellegrin написал:
> This patch adds support to gpiolib for GPIO bank J present on S3C244X
> CPUs.
>
> Signed-off-by: Christian Pellegrin <chripell at fsfe.org>
Tested-by: Vasily Khoruzhick <anarsoul at 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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