[S] Change in coreboot[main]: mb/google/corsola: Configure I2C and I2S interface for ALC5650

[Matt DeVillier (Code Review)]

Matt DeVillier has submitted this change. ( https://review.coreboot.org/c/coreboot/+/79064?usp=email )

Change subject: mb/google/corsola: Configure I2C and I2S interface for ALC5650
......................................................................

mb/google/corsola: Configure I2C and I2S interface for ALC5650

Configure I2S1 and I2C5 for ALC5650 to support beep sound in
depthcharge.

BRANCH=corsola
BUG=b:305828247
TEST=Verify devbeep in depthcharge console

Change-Id: Ibd098adb8d5568ad338bbfece0edfd0c38cbf854
Signed-off-by: Yang Wu 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/79064
Reviewed-by: Yidi Lin 
Tested-by: build bot (Jenkins) 
Reviewed-by: Ruihai Zhou 
Reviewed-by: Yu-Ping Wu 
---
M src/mainboard/google/corsola/mainboard.c
1 file changed, 20 insertions(+), 2 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Yidi Lin: Looks good to me, approved
  Ruihai Zhou: Looks good to me, but someone else must approve
  Yu-Ping Wu: Looks good to me, approved

diff --git a/src/mainboard/google/corsola/mainboard.c b/src/mainboard/google/corsola/mainboard.c
index b2c65eb..69e72d7 100644
--- a/src/mainboard/google/corsola/mainboard.c
+++ b/src/mainboard/google/corsola/mainboard.c
@@ -5,6 +5,7 @@
 #include <device/device.h>
 #include <gpio.h>
 #include <soc/bl31.h>
+#include <soc/i2c.h>
 #include <soc/msdc.h>
 #include <soc/spm.h>
 #include <soc/usb.h>
@@ -12,7 +13,7 @@
 #include "display.h"
 #include "gpio.h"

-static void configure_audio(void)
+static void configure_alc1019(void)
 {
    mtcmos_audio_power_on();

@@ -23,6 +24,20 @@
    gpio_set_mode(GPIO(EINT4), PAD_EINT4_FUNC_I2S3_DO);
 }

+static void configure_alc5645(void)
+{
+	mtcmos_audio_power_on();
+
+	/* Set up I2S */
+	gpio_set_mode(GPIO(I2S1_MCK), PAD_I2S1_MCK_FUNC_I2S1_MCK);
+	gpio_set_mode(GPIO(I2S1_BCK), PAD_I2S1_BCK_FUNC_I2S1_BCK);
+	gpio_set_mode(GPIO(I2S1_LRCK), PAD_I2S1_LRCK_FUNC_I2S1_LRCK);
+	gpio_set_mode(GPIO(I2S1_DO), PAD_I2S1_DO_FUNC_I2S1_DO);
+
+	/* Init I2C bus timing register for audio codecs */
+	mtk_i2c_bus_init(I2C5, I2C_SPEED_STANDARD);
+}
+
 static void mainboard_init(struct device *dev)
 {
    mtk_msdc_configure_emmc(true);
@@ -36,7 +51,10 @@

setup_usb_host();

-	configure_audio();
+	if (CONFIG(BOARD_GOOGLE_CHINCHOU))
+		configure_alc5645();
+	else
+		configure_alc1019();

if (spm_init())
    	printk(BIOS_ERR, "spm init failed, system suspend may not work\n");