This patch adds api to decode peripheral id based in interrupt number. Signed-off-by: Piotr Wilczek <p.wilc...@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.p...@samsung.com> CC: Minkyu Kang <mk7.k...@samsung.com> --- arch/arm/cpu/armv7/exynos/pinmux.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+)
diff --git a/arch/arm/cpu/armv7/exynos/pinmux.c b/arch/arm/cpu/armv7/exynos/pinmux.c index 904177a..3201d53 100644 --- a/arch/arm/cpu/armv7/exynos/pinmux.c +++ b/arch/arm/cpu/armv7/exynos/pinmux.c @@ -741,6 +741,25 @@ int exynos_pinmux_config(int peripheral, int flags) } #ifdef CONFIG_OF_CONTROL + +static int exynos4_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; +} + static int exynos5_pinmux_decode_periph_id(const void *blob, int node) { int err; @@ -763,6 +782,8 @@ int pinmux_decode_periph_id(const void *blob, int node) { if (cpu_is_exynos5()) return exynos5_pinmux_decode_periph_id(blob, node); + else if (cpu_is_exynos4()) + return exynos4_pinmux_decode_periph_id(blob, node); else return PERIPH_ID_NONE; } -- 1.7.9.5 _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot