diff options
| author | Jiaxin Yu <jiaxin.yu@mediatek.com> | 2019-04-23 20:45:50 +0800 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2019-05-07 16:00:31 +0000 |
| commit | 30bc9f415d9564de90fc0c6c6a92462ce3ce7c06 (patch) | |
| tree | a441be62f4d858fac288c4195629d30f63737ba2 /src/mainboard | |
| parent | 3c0d23b6ab1ca23c9e54f3554386e7aa2cfec94d (diff) | |
google/kukui: Support sound in boot process
Configure and enable GPIO for speaker amp max98357a.
BUG=b:117254418
TEST=Build pass and verified on kukui p1 board
BRANCH=None
Change-Id: I97655702dff402245326d2eff71fae0e336df9f5
Signed-off-by: Jiaxin Yu <jiaxin.yu@mediatek.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/32459
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
Diffstat (limited to 'src/mainboard')
| -rw-r--r-- | src/mainboard/google/kukui/chromeos.c | 2 | ||||
| -rw-r--r-- | src/mainboard/google/kukui/gpio.h | 1 | ||||
| -rw-r--r-- | src/mainboard/google/kukui/mainboard.c | 13 |
3 files changed, 16 insertions, 0 deletions
diff --git a/src/mainboard/google/kukui/chromeos.c b/src/mainboard/google/kukui/chromeos.c index 44e75e29f0..35395014d6 100644 --- a/src/mainboard/google/kukui/chromeos.c +++ b/src/mainboard/google/kukui/chromeos.c @@ -27,6 +27,7 @@ void setup_chromeos_gpios(void) gpio_input_pullup(EC_IRQ); gpio_input_pullup(CR50_IRQ); gpio_output(GPIO_RESET, 0); + gpio_output(GPIO_EN_SPK_AMP, 0); } void fill_lb_gpios(struct lb_gpios *gpios) @@ -38,6 +39,7 @@ void fill_lb_gpios(struct lb_gpios *gpios) {EC_IN_RW.id, ACTIVE_HIGH, -1, "EC in RW"}, {EC_IRQ.id, ACTIVE_LOW, -1, "EC interrupt"}, {CR50_IRQ.id, ACTIVE_HIGH, -1, "TPM interrupt"}, + {GPIO_EN_SPK_AMP.id, ACTIVE_HIGH, -1, "speaker enable"}, }; lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios)); } diff --git a/src/mainboard/google/kukui/gpio.h b/src/mainboard/google/kukui/gpio.h index 92d238ece2..977acc3739 100644 --- a/src/mainboard/google/kukui/gpio.h +++ b/src/mainboard/google/kukui/gpio.h @@ -23,6 +23,7 @@ #define EC_IN_RW GPIO(PERIPHERAL_EN14) #define CR50_IRQ GPIO(PERIPHERAL_EN3) #define GPIO_RESET GPIO(PERIPHERAL_EN8) +#define GPIO_EN_SPK_AMP GPIO(PERIPHERAL_EN12) void setup_chromeos_gpios(void); diff --git a/src/mainboard/google/kukui/mainboard.c b/src/mainboard/google/kukui/mainboard.c index e1d8f5fb8d..40b8a49c61 100644 --- a/src/mainboard/google/kukui/mainboard.c +++ b/src/mainboard/google/kukui/mainboard.c @@ -16,6 +16,7 @@ #include <device/device.h> #include <soc/gpio.h> #include <soc/mmu_operations.h> +#include <soc/mtcmos.h> #include <soc/usb.h> static void configure_emmc(void) @@ -37,10 +38,22 @@ static void configure_usb(void) setup_usb_host(); } +static void configure_audio(void) +{ + /* Audio PWR*/ + mtcmos_audio_power_on(); + + /* SoC I2S */ + gpio_set_mode(GPIO(CAM_RST0), PAD_CAM_RST0_FUNC_I2S2_LRCK); + gpio_set_mode(GPIO(CAM_PDN1), PAD_CAM_PDN1_FUNC_I2S2_BCK); + gpio_set_mode(GPIO(CAM_PDN0), PAD_CAM_PDN0_FUNC_I2S2_MCK); + gpio_set_mode(GPIO(EINT3), PAD_EINT3_FUNC_I2S3_DO); +} static void mainboard_init(struct device *dev) { configure_emmc(); configure_usb(); + configure_audio(); } static void mainboard_enable(struct device *dev) |