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authorŁukasz Majewski <l.majewski@samsung.com>2012-09-04 21:47:46 +0000
committerMinkyu Kang <mk7.kang@samsung.com>2012-11-15 21:08:18 +0900
commit822593f02890f10e08c39ed82f926c9a80f7d533 (patch)
tree07e04295e200d15a18a8d09df807c444200d20de /arch/arm/include/asm/arch-exynos
parentccfa398547ce0b579f2e7874e78948246c739237 (diff)
downloadtalos-obmc-uboot-822593f02890f10e08c39ed82f926c9a80f7d533.tar.gz
talos-obmc-uboot-822593f02890f10e08c39ed82f926c9a80f7d533.zip
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 <l.majewski@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
Diffstat (limited to 'arch/arm/include/asm/arch-exynos')
-rw-r--r--arch/arm/include/asm/arch-exynos/gpio.h19
1 files changed, 19 insertions, 0 deletions
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 */
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