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authorGabe Black <gabeblack@google.com>2013-08-05 22:15:21 -0700
committerPatrick Georgi <patrick@georgi-clan.de>2013-12-21 22:45:32 +0100
commit4e195afdf70f2a2daaa628d4e449a841f09d1b5c (patch)
tree153cdd378c6cc2e144b76b0feeb62866d1c36e38 /src/cpu/samsung
parent36e62c2516ef46e726af79da3d14dfa416e468ab (diff)
exynos5250: Add a pinmux function to set up i2s bus 0
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. 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> Reviewed-on: http://review.coreboot.org/4438 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
Diffstat (limited to 'src/cpu/samsung')
-rw-r--r--src/cpu/samsung/exynos5250/pinmux.c10
-rw-r--r--src/cpu/samsung/exynos5250/pinmux.h1
2 files changed, 11 insertions, 0 deletions
diff --git a/src/cpu/samsung/exynos5250/pinmux.c b/src/cpu/samsung/exynos5250/pinmux.c
index ab1b25ec3b..b5406af8ba 100644
--- a/src/cpu/samsung/exynos5250/pinmux.c
+++ b/src/cpu/samsung/exynos5250/pinmux.c
@@ -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;
diff --git a/src/cpu/samsung/exynos5250/pinmux.h b/src/cpu/samsung/exynos5250/pinmux.h
index e5cf6991bf..227a2807e3 100644
--- a/src/cpu/samsung/exynos5250/pinmux.h
+++ b/src/cpu/samsung/exynos5250/pinmux.h
@@ -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