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nyan: Add pinmux settings for audio peripherals.

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The clock output and I2S1 GPIO pins must be correctly configured so we can
initialize the audio system.

BUG=none
TEST=emerge-nyan chromeos-coreboot-nyan
BRANCH=none

Change-Id: Ie0f283ab8948b0d9ac713eec3bc7c8ae72949330
Signed-off-by: Hung-Te Lin <hungte@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/176212
Reviewed-by: Gabe Black <gabeblack@chromium.org>
Reviewed-by: David Hendricks <dhendrix@chromium.org>
This commit is contained in:
Hung-Te Lin 2013-11-08 21:22:03 +08:00 • committed by chrome-internal-fetch
commit 37412f3201
1 changed files with 15 additions and 0 deletions
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15
src/mainboard/google/nyan/mainboard.c
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@ -181,6 +181,21 @@ static void setup_pinmux(void)
* but it doesn't. Go with GPIOs for now and solve the problem later. */
gpio_output_open_drain(GPIO(N4), 1); /* USB VBUS EN0 */
gpio_output_open_drain(GPIO(N5), 1); /* USB VBUS EN1 */
/* Clock output 1 (for external peripheral) */
pinmux_set_config(PINMUX_DAP_MCLK1_INDEX,
PINMUX_DAP_MCLK1_FUNC_EXTPERIPH1 | PINMUX_PULL_NONE);
/* I2S1 */
pinmux_set_config(PINMUX_DAP2_DIN_INDEX,
PINMUX_DAP2_DIN_FUNC_I2S1 | PINMUX_TRISTATE |
PINMUX_INPUT_ENABLE);
pinmux_set_config(PINMUX_DAP2_DOUT_INDEX,
PINMUX_DAP2_DOUT_FUNC_I2S1 | PINMUX_INPUT_ENABLE);
pinmux_set_config(PINMUX_DAP2_FS_INDEX,
PINMUX_DAP2_FS_FUNC_I2S1 | PINMUX_INPUT_ENABLE);
pinmux_set_config(PINMUX_DAP2_SCLK_INDEX,
PINMUX_DAP2_SCLK_FUNC_I2S1 | PINMUX_INPUT_ENABLE);
}
static void setup_kernel_info(void)