diff options
| author | Dani Krishna Mohan <krishna.md@samsung.com> | 2013-09-11 16:38:48 +0530 |
|---|---|---|
| committer | Tom Rini <trini@ti.com> | 2013-09-24 09:10:33 -0400 |
| commit | 3dd22a37aae57243b6e8dfedcc03c0fc02d469e6 (patch) | |
| tree | 70bdac70d8a5369ef54bd0f7152ababa9cbe1b5a /arch/arm/cpu/armv7/exynos/pinmux.c | |
| parent | b7006a7f5edf7385956658b5196df266a5dc2cc6 (diff) | |
ARM: Added I2S0 clocks for audio
This patch makes the necessary changes for making use of
I2S0 channel instead of I2S1 channel on smdk board. This
changes are done to maintain the uniformity to use I2S0 channel.
Signed-off-by: Dani Krishna Mohan <krishna.md@samsung.com>
Diffstat (limited to 'arch/arm/cpu/armv7/exynos/pinmux.c')
| -rw-r--r-- | arch/arm/cpu/armv7/exynos/pinmux.c | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/arch/arm/cpu/armv7/exynos/pinmux.c b/arch/arm/cpu/armv7/exynos/pinmux.c index 1b05ebfd7a..8002bce79c 100644 --- a/arch/arm/cpu/armv7/exynos/pinmux.c +++ b/arch/arm/cpu/armv7/exynos/pinmux.c @@ -220,10 +220,20 @@ static void exynos5_i2s_config(int peripheral) { int i; struct exynos5_gpio_part1 *gpio1 = - (struct exynos5_gpio_part1 *) samsung_get_base_gpio_part1(); + (struct exynos5_gpio_part1 *)samsung_get_base_gpio_part1(); + struct exynos5_gpio_part4 *gpio4 = + (struct exynos5_gpio_part4 *)samsung_get_base_gpio_part4(); - for (i = 0; i < 5; i++) - s5p_gpio_cfg_pin(&gpio1->b0, i, GPIO_FUNC(0x02)); + switch (peripheral) { + case PERIPH_ID_I2S0: + for (i = 0; i < 5; i++) + s5p_gpio_cfg_pin(&gpio4->z, i, GPIO_FUNC(0x02)); + break; + case PERIPH_ID_I2S1: + for (i = 0; i < 5; i++) + s5p_gpio_cfg_pin(&gpio1->b0, i, GPIO_FUNC(0x02)); + break; + } } void exynos5_spi_config(int peripheral) @@ -296,6 +306,7 @@ static int exynos5_pinmux_config(int peripheral, int flags) case PERIPH_ID_I2C7: exynos5_i2c_config(peripheral, flags); break; + case PERIPH_ID_I2S0: case PERIPH_ID_I2S1: exynos5_i2s_config(peripheral); break; @@ -463,11 +474,11 @@ static int exynos4_pinmux_config(int peripheral, int flags) int exynos_pinmux_config(int peripheral, int flags) { - if (cpu_is_exynos5()) + if (cpu_is_exynos5()) { return exynos5_pinmux_config(peripheral, flags); - else if (cpu_is_exynos4()) + } else if (cpu_is_exynos4()) { return exynos4_pinmux_config(peripheral, flags); - else { + } else { debug("pinmux functionality not supported\n"); return -1; } |