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exynos5250: Add a pinmux function to set up i2s bus 0.

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This bus is hooked up on snow and, as it's the only bus hooked up on some
other boards, having it available in firmware to test is handy.

BUG=chrome-os-partner:19420
TEST=Built and booted on snow and heard a beep.
BRANCH=None

Change-Id: Icb48b9af4a67d382bd6fbce1e4c6a320d811d365
Signed-off-by: Gabe Black <gabeblack@google.com>
Reviewed-on: https://gerrit.chromium.org/gerrit/64877
Reviewed-by: Ronald G. Minnich <rminnich@chromium.org>
Commit-Queue: Stefan Reinauer <reinauer@google.com>
Tested-by: Stefan Reinauer <reinauer@google.com>
This commit is contained in:
Gabe Black 2013-08-05 22:15:21 -07:00 • committed by ChromeBot
commit d2f8bd60bd
2 changed files with 11 additions and 0 deletions
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10
src/cpu/samsung/exynos5250/pinmux.c
View file

@ -244,6 +244,16 @@ void exynos_pinmux_dphpd(void)
gpio_set_pull(GPIO_X07, GPIO_PULL_NONE);
}
void exynos_pinmux_i2s0(void)
{
int i;
for (i = 0; i < 5; i++) {
gpio_cfg_pin(GPIO_Z0 + i, GPIO_FUNC(0x02));
gpio_set_pull(GPIO_Z0 + i, GPIO_PULL_NONE);
}
}
void exynos_pinmux_i2s1(void)
{
int i;

1
src/cpu/samsung/exynos5250/pinmux.h
View file

@ -52,6 +52,7 @@ void exynos_pinmux_i2c7(void);
void exynos_pinmux_dphpd(void);
void exynos_pinmux_i2s0(void);
void exynos_pinmux_i2s1(void);
#endif