[PATCH V2 2/2] ARM: S5PV310: Add support GPIOlib
kgene.kim at samsung.com
Thu Oct 14 01:23:42 EDT 2010
Sangbeom Kim wrote:
> From: Jongpill Lee <boyko.lee at samsung.com>
> This patch adds GPIOlib support for S5PV310 and S5PC210.
> Signed-off-by: Jongpill Lee <boyko.lee at samsung.com>
> Signed-off-by: Sangbeom Kim <sbkim73 at samsung.com>
> This patch used mapped VA IO as GPIO virtual address.
> because firstly other Samsung SoC's GPIO used same method.
> and I think that it's better to keep the same method.
> And ioremap also can be used for it.
> But in the GPIO, there is no need to allocate VA area dynamically.
> because GPIO can be used in any drivers anytime so it can't iounmap GPIO
> VA area.
> #define MAX_COMBINER_NR 40
> +#define S5P_IRQ_EINT_BASE COMBINER_IRQ(MAX_COMBINER_NR, 0)
> +#define S5P_EINT_BASE1 (S5P_IRQ_EINT_BASE + 0)
> +#define S5P_EINT_BASE2 (S5P_IRQ_EINT_BASE + 16)
If you want to add external interrupt, should be changed NR_IRQS too.
Will apply with fixing NR_IRQS.
Kukjin Kim <kgene.kim at samsung.com>, Senior Engineer,
SW Solution Development Team, Samsung Electronics Co., Ltd.
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