summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--src/mainboard/google/geralt/Kconfig10
-rw-r--r--src/mainboard/google/geralt/chromeos.c8
-rw-r--r--src/mainboard/google/geralt/gpio.h5
-rw-r--r--src/mainboard/google/geralt/mainboard.c31
-rw-r--r--src/soc/mediatek/mt8188/include/soc/addressmap.h1
5 files changed, 55 insertions, 0 deletions
diff --git a/src/mainboard/google/geralt/Kconfig b/src/mainboard/google/geralt/Kconfig
index 8de4fea93103..af4d7e0d8083 100644
--- a/src/mainboard/google/geralt/Kconfig
+++ b/src/mainboard/google/geralt/Kconfig
@@ -60,4 +60,14 @@ config DRIVER_TPM_I2C_ADDR
config SDCARD_INIT
bool
default y
+
+choice
+ prompt "Speaker AMP for Geralt"
+ default USE_MAX98390 if BOARD_GOOGLE_GERALT
+
+config USE_MAX98390
+ bool "MAX98390"
+
+endchoice
+
endif
diff --git a/src/mainboard/google/geralt/chromeos.c b/src/mainboard/google/geralt/chromeos.c
index 266fc78db1f6..10fc9d314fcc 100644
--- a/src/mainboard/google/geralt/chromeos.c
+++ b/src/mainboard/google/geralt/chromeos.c
@@ -18,6 +18,7 @@ void setup_chromeos_gpios(void)
/* Set up GPOs */
gpio_output(GPIO_AP_EC_WARM_RST_REQ, 0);
gpio_output(GPIO_EN_SPKR, 0);
+ gpio_output(GPIO_RST_SPKR_L, 0);
gpio_output(GPIO_XHCI_INIT_DONE, 0);
}
@@ -39,6 +40,13 @@ void fill_lb_gpios(struct lb_gpios *gpios)
};
lb_add_gpios(gpios, sd_card_gpios, ARRAY_SIZE(sd_card_gpios));
}
+
+ if (CONFIG(USE_MAX98390)) {
+ struct lb_gpio max98390_gpios[] = {
+ {GPIO_RST_SPKR_L.id, ACTIVE_LOW, -1, "speaker reset"},
+ };
+ lb_add_gpios(gpios, max98390_gpios, ARRAY_SIZE(max98390_gpios));
+ }
}
int tis_plat_irq_status(void)
diff --git a/src/mainboard/google/geralt/gpio.h b/src/mainboard/google/geralt/gpio.h
index 36f488e7b85e..126cfe8f3ffd 100644
--- a/src/mainboard/google/geralt/gpio.h
+++ b/src/mainboard/google/geralt/gpio.h
@@ -12,8 +12,13 @@
#define GPIO_EC_AP_INT_ODL GPIO(DPI_DE)
#define GPIO_EN_SPKR GPIO(I2SIN_D2)
#define GPIO_GSC_AP_INT_ODL GPIO(GPIO00)
+#define GPIO_RST_SPKR_L GPIO(I2SO2_D1)
#define GPIO_XHCI_INIT_DONE GPIO(DPI_CK)
+#define GPIO_I2SI1_LRCK GPIO(I2SO2_D2)
+#define GPIO_I2SI1_BCK GPIO(I2SIN_D3)
+#define GPIO_I2SO1_D0 GPIO(GPIO11)
+
#define GPIO_EDP_BL_PWM_1V8 GPIO(DISP_PWM1)
#define GPIO_EDP_HPD_1V8 GPIO(GPIO17)
#define GPIO_EN_PP3300_EDP_DISP_X GPIO(DSI1_LCM_RST)
diff --git a/src/mainboard/google/geralt/mainboard.c b/src/mainboard/google/geralt/mainboard.c
index ee8b005d3ec9..14223983422c 100644
--- a/src/mainboard/google/geralt/mainboard.c
+++ b/src/mainboard/google/geralt/mainboard.c
@@ -3,13 +3,42 @@
#include <bootmode.h>
#include <device/device.h>
#include <soc/bl31.h>
+#include <soc/i2c.h>
#include <soc/msdc.h>
#include <soc/mt6359p.h>
+#include <soc/mtcmos.h>
#include <soc/usb.h>
#include "display.h"
#include "gpio.h"
+#define AFE_SE_SECURE_CON (AUDIO_BASE + 0x17a8)
+
+static void configure_i2s(void)
+{
+ /* Audio PWR */
+ mtcmos_audio_power_on();
+ mtcmos_protect_audio_bus();
+
+ /* Switch to normal mode */
+ write32p(AFE_SE_SECURE_CON, 0x0);
+
+ /* SoC I2S */
+ gpio_set_mode(GPIO_I2SI1_LRCK, PAD_I2SO2_D2_FUNC_TDMIN_LRCK);
+ gpio_set_mode(GPIO_I2SI1_BCK, PAD_I2SIN_D3_FUNC_TDMIN_BCK);
+ gpio_set_mode(GPIO_I2SO1_D0, PAD_GPIO11_FUNC_I2SO1_D0);
+}
+
+static void configure_audio(void)
+{
+ if (CONFIG(USE_MAX98390)) {
+ printk(BIOS_DEBUG, "Configure MAX98390 audio\n");
+
+ mtk_i2c_bus_init(I2C0, I2C_SPEED_FAST);
+ configure_i2s();
+ }
+}
+
static void mainboard_init(struct device *dev)
{
mt6359p_init_pmif_arb();
@@ -23,6 +52,8 @@ static void mainboard_init(struct device *dev)
mtk_msdc_configure_emmc(true);
+ configure_audio();
+
if (CONFIG(SDCARD_INIT))
mtk_msdc_configure_sdcard();
diff --git a/src/soc/mediatek/mt8188/include/soc/addressmap.h b/src/soc/mediatek/mt8188/include/soc/addressmap.h
index a5a3c00f6584..63f059616f47 100644
--- a/src/soc/mediatek/mt8188/include/soc/addressmap.h
+++ b/src/soc/mediatek/mt8188/include/soc/addressmap.h
@@ -57,6 +57,7 @@ enum {
DPM_PM_SRAM_BASE2 = IO_PHYS + 0x00A00000,
DPM_DM_SRAM_BASE2 = IO_PHYS + 0x00A20000,
DPM_CFG_BASE2 = IO_PHYS + 0x00A40000,
+ AUDIO_BASE = IO_PHYS + 0x00B10000,
UART0_BASE = IO_PHYS + 0x01001100,
UART1_BASE = IO_PHYS + 0x01001200,
UART2_BASE = IO_PHYS + 0x01001300,