diff options
Diffstat (limited to 'arch/arm/cpu/armv7/exynos/pinmux.c')
| -rw-r--r-- | arch/arm/cpu/armv7/exynos/pinmux.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/exynos/pinmux.c b/arch/arm/cpu/armv7/exynos/pinmux.c index ee58dac3a0..bd499b4761 100644 --- a/arch/arm/cpu/armv7/exynos/pinmux.c +++ b/arch/arm/cpu/armv7/exynos/pinmux.c @@ -22,6 +22,7 @@ */ #include <common.h> +#include <fdtdec.h> #include <asm/arch/gpio.h> #include <asm/arch/pinmux.h> #include <asm/arch/sromc.h> @@ -447,3 +448,31 @@ int exynos_pinmux_config(int peripheral, int flags) return -1; } } + +#ifdef CONFIG_OF_CONTROL +static int exynos5_pinmux_decode_periph_id(const void *blob, int node) +{ + int err; + u32 cell[3]; + + err = fdtdec_get_int_array(blob, node, "interrupts", cell, + ARRAY_SIZE(cell)); + if (err) + return PERIPH_ID_NONE; + + /* check for invalid peripheral id */ + if ((PERIPH_ID_SDMMC4 > cell[1]) || (cell[1] < PERIPH_ID_UART0)) + return cell[1]; + + debug(" invalid peripheral id\n"); + return PERIPH_ID_NONE; +} + +int pinmux_decode_periph_id(const void *blob, int node) +{ + if (cpu_is_exynos5()) + return exynos5_pinmux_decode_periph_id(blob, node); + else + return PERIPH_ID_NONE; +} +#endif |
