mb/google/cherry: Support audio
Add GPIO "beep enable" for switching on and off.
Signed-off-by: Trevor Wu <trevor.wu@mediatek.com>
Change-Id: Iddb781e30fa90f05767cceeb83e623432540dcc0
Reviewed-on: https://review.coreboot.org/c/coreboot/+/54739
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
diff --git a/src/mainboard/google/cherry/chromeos.c b/src/mainboard/google/cherry/chromeos.c
index 03e44d5..8d43354 100644
--- a/src/mainboard/google/cherry/chromeos.c
+++ b/src/mainboard/google/cherry/chromeos.c
@@ -12,6 +12,7 @@
gpio_input(GPIO_WP);
gpio_input_pullup(GPIO_EC_AP_INT);
gpio_input_pullup(GPIO_SD_CD);
+ gpio_output(GPIO_BEEP_ON, 0);
gpio_input_pullup(GPIO_EC_IN_RW);
gpio_input_pullup(GPIO_GSC_AP_INT);
gpio_output(GPIO_EN_SPK, 0);
@@ -23,6 +24,7 @@
struct lb_gpio chromeos_gpios[] = {
{GPIO_EC_AP_INT.id, ACTIVE_LOW, -1, "EC interrupt"},
{GPIO_SD_CD.id, ACTIVE_LOW, -1, "SD card detect"},
+ {GPIO_BEEP_ON.id, ACTIVE_HIGH, -1, "beep enable"},
{GPIO_EC_IN_RW.id, ACTIVE_LOW, -1, "EC in RW"},
{GPIO_GSC_AP_INT.id, ACTIVE_LOW, -1, "TPM interrupt"},
{GPIO_EN_SPK.id, ACTIVE_HIGH, -1, "speaker enable"},
diff --git a/src/mainboard/google/cherry/gpio.h b/src/mainboard/google/cherry/gpio.h
index 28e1186..f07fa38 100644
--- a/src/mainboard/google/cherry/gpio.h
+++ b/src/mainboard/google/cherry/gpio.h
@@ -8,6 +8,7 @@
#define GPIO_EC_AP_INT GPIO(GPIO_04)
#define GPIO_WP GPIO(GPIO_05)
#define GPIO_SD_CD GPIO(I2SO1_D1)
+#define GPIO_BEEP_ON GPIO(DMIC1_DAT)
#define GPIO_EC_IN_RW GPIO(DGI_D10)
#define GPIO_GSC_AP_INT GPIO(DGI_D11)
#define GPIO_EN_SPK GPIO(UART1_RTS)