diff options
Diffstat (limited to 'src/mainboard')
| -rw-r--r-- | src/mainboard/google/gru/mainboard.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/mainboard/google/gru/mainboard.c b/src/mainboard/google/gru/mainboard.c index 54443bc9ff..bbe0224693 100644 --- a/src/mainboard/google/gru/mainboard.c +++ b/src/mainboard/google/gru/mainboard.c @@ -92,6 +92,23 @@ static void configure_sdmmc(void) write32(&rk3399_grf->iomux_sdmmc, IOMUX_SDMMC); } +static void configure_codec(void) +{ + write32(&rk3399_grf->iomux_i2s0, IOMUX_I2S0); + write32(&rk3399_grf->iomux_i2sclk, IOMUX_I2SCLK); + + /* AUDIO IO domain 1.8V voltage selection */ + write32(&rk3399_grf->io_vsel, RK_SETBITS(1 << 1)); + + /* CPU1_P1.8V_AUDIO_PWREN for P1.8_AUDIO */ + gpio_output(GPIO(0, A, 2), 1); + + /* set CPU1_SPK_PA_EN output */ + gpio_output(GPIO(1, A, 2), 0); + + rkclk_configure_i2s(12288000); +} + static void configure_display(void) { /* set pinmux for edp HPD*/ @@ -105,6 +122,7 @@ static void mainboard_init(device_t dev) { configure_sdmmc(); configure_emmc(); + configure_codec(); configure_display(); } |