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 645c497370..9edb47502c 100644 --- a/arch/arm/cpu/armv7/exynos/pinmux.c +++ b/arch/arm/cpu/armv7/exynos/pinmux.c @@ -39,6 +39,9 @@ static void exynos5_uart_config(int peripheral) start = 4; count = 2; break; + default: + debug("%s: invalid peripheral %d", __func__, peripheral); + return; } for (i = start; i < start + count; i++) { s5p_gpio_set_pull(bank, i, GPIO_PULL_NONE); @@ -74,6 +77,9 @@ static void exynos5420_uart_config(int peripheral) start = 4; count = 2; break; + default: + debug("%s: invalid peripheral %d", __func__, peripheral); + return; } for (i = start; i < start + count; i++) { @@ -110,6 +116,9 @@ static int exynos5_mmc_config(int peripheral, int flags) bank = &gpio1->c4; bank_ext = NULL; break; + default: + debug("%s: invalid peripheral %d", __func__, peripheral); + return -1; } if ((flags & PINMUX_FLAG_8BIT_MODE) && !bank_ext) { debug("SDMMC device %d does not support 8bit mode", @@ -683,6 +692,9 @@ static void exynos4_uart_config(int peripheral) start = 4; count = 2; break; + default: + debug("%s: invalid peripheral %d", __func__, peripheral); + return; } for (i = start; i < start + count; i++) { s5p_gpio_set_pull(bank, i, GPIO_PULL_NONE); @@ -741,6 +753,21 @@ 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) { + debug(" invalid peripheral id\n"); + return PERIPH_ID_NONE; + } + + return cell[1]; +} + static int exynos5_pinmux_decode_periph_id(const void *blob, int node) { int err; @@ -758,6 +785,8 @@ 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; } |