From 822593f02890f10e08c39ed82f926c9a80f7d533 Mon Sep 17 00:00:00 2001 From: Łukasz Majewski Date: Tue, 4 Sep 2012 21:47:46 +0000 Subject: gpio:fix: Proper handling of GPIO subsystem parts at Samsung devices Now proper GPIO parts numbering is handled at Samsung devices. This fix is necessary for code using GPIO located at other banks than first. Test HW: - Exynos4210 - Trats - S5PC110 - goni Signed-off-by: Lukasz Majewski Signed-off-by: Kyungmin Park Signed-off-by: Minkyu Kang --- arch/arm/include/asm/arch-exynos/gpio.h | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) (limited to 'arch/arm/include/asm/arch-exynos/gpio.h') diff --git a/arch/arm/include/asm/arch-exynos/gpio.h b/arch/arm/include/asm/arch-exynos/gpio.h index 97be4eac05..4db8fd640e 100644 --- a/arch/arm/include/asm/arch-exynos/gpio.h +++ b/arch/arm/include/asm/arch-exynos/gpio.h @@ -207,6 +207,25 @@ static inline unsigned int s5p_gpio_base(int nr) return 0; } +static inline unsigned int s5p_gpio_part_max(int nr) +{ + if (cpu_is_exynos5()) { + if (nr < EXYNOS5_GPIO_PART1_MAX) + return 0; + else if (nr < EXYNOS5_GPIO_PART2_MAX) + return EXYNOS5_GPIO_PART1_MAX; + else + return EXYNOS5_GPIO_PART2_MAX; + + } else if (cpu_is_exynos4()) { + if (nr < EXYNOS4_GPIO_PART1_MAX) + return 0; + else + return EXYNOS4_GPIO_PART1_MAX; + } + + return 0; +} #endif /* Pin configurations */ -- cgit