[S] Change in coreboot[main]: mb/google/rauru: Add alc5650 support

[Yang Wu (Code Review)]

Yang Wu has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/85858?usp=email )

Change subject: mb/google/rauru: Add alc5650 support
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mb/google/rauru: Add alc5650 support

Configure ALC5650 for hylia to support beep sound in depthcharge.

BRANCH=rauru
BUG=b:383376419
TEST=Verify devbeep in depthcharge console

Change-Id: I2c247be87ad212fa52e21e1e6da17c07d82f1988
Signed-off-by: Yang Wu 
---
M src/mainboard/google/rauru/chromeos.c
M src/mainboard/google/rauru/devicetree.cb
M src/mainboard/google/rauru/gpio.h
M src/mainboard/google/rauru/mainboard.c
4 files changed, 30 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/58/85858/1

diff --git a/src/mainboard/google/rauru/chromeos.c b/src/mainboard/google/rauru/chromeos.c
index f530396..6a34cb9 100644
--- a/src/mainboard/google/rauru/chromeos.c
+++ b/src/mainboard/google/rauru/chromeos.c
@@ -46,8 +46,14 @@
    	{GPIO_EN_SPKR.id, ACTIVE_LOW, -1, "speaker reset"},
    };

+	struct lb_gpio alc5645_gpios[] = {
+		{GPIO_EN_SPKR.id, ACTIVE_HIGH, -1, "speaker enable"},
+	};
+
    if (fw_config_probe(FW_CONFIG(AUDIO_AMP, AMP_TAS2563)))
    	lb_add_gpios(gpios, smartamp_gpios, ARRAY_SIZE(smartamp_gpios));
+	else if (fw_config_probe(FW_CONFIG(AUDIO_AMP, AMP_ALC5645)))
+		lb_add_gpios(gpios, alc5645_gpios, ARRAY_SIZE(alc5645_gpios));
    else
    	lb_add_gpios(gpios, nau8318_gpios, ARRAY_SIZE(nau8318_gpios));
 }
diff --git a/src/mainboard/google/rauru/devicetree.cb b/src/mainboard/google/rauru/devicetree.cb
index 7f6dc59..1705dbe 100644
--- a/src/mainboard/google/rauru/devicetree.cb
+++ b/src/mainboard/google/rauru/devicetree.cb
@@ -4,6 +4,7 @@
    field AUDIO_AMP 28 29
    	option AMP_NAU8318 0
    	option AMP_TAS2563 1
+		option AMP_ALC5645 2
    end
 end

diff --git a/src/mainboard/google/rauru/gpio.h b/src/mainboard/google/rauru/gpio.h
index 6191e05..ef7db86 100644
--- a/src/mainboard/google/rauru/gpio.h
+++ b/src/mainboard/google/rauru/gpio.h
@@ -20,6 +20,11 @@
 #define GPIO_I2SI4_LRCK		GPIO(I2SIN1_LRCK)
 #define GPIO_I2SO4_D0		GPIO(I2SOUT1_DO)

+#define GPIO_I2SI6_MCK    GPIO(I2SIN0_MCK)
+#define GPIO_I2SI6_BCK    GPIO(I2SIN0_BCK)
+#define GPIO_I2SI6_LRCK   GPIO(I2SIN0_LRCK)
+#define GPIO_I2SO6_D0   GPIO(I2SOUT0_DO)
+
 void setup_chromeos_gpios(void);

#endif
diff --git a/src/mainboard/google/rauru/mainboard.c b/src/mainboard/google/rauru/mainboard.c
index a49caf6..c1090e3 100644
--- a/src/mainboard/google/rauru/mainboard.c
+++ b/src/mainboard/google/rauru/mainboard.c
@@ -29,11 +29,29 @@
    gpio_set_mode(GPIO_I2SO4_D0, GPIO_FUNC(I2SOUT1_DO, I2SOUT4_DATA0));
 }

+static void configure_alc5645(void)
+{
+	write32p(AFE_SE_SECURE_CON1, 0x0);
+	/* Set up I2S */
+	gpio_set_mode(GPIO_I2SI6_MCK, GPIO_FUNC(I2SIN0_MCK, I2S_MCK0));
+	gpio_set_mode(GPIO_I2SI6_BCK, GPIO_FUNC(I2SIN0_BCK, I2SIN6_0_BCK));
+	gpio_set_mode(GPIO_I2SI6_LRCK, GPIO_FUNC(I2SIN0_LRCK, I2SIN6_0_LRCK));
+	gpio_set_mode(GPIO_I2SO6_D0, GPIO_FUNC(I2SOUT0_DO, I2SOUT6_0_DO));
+
+	/* Init I2C bus timing register for audio codecs */
+	mtk_i2c_bus_init(I2C3, I2C_SPEED_STANDARD);
+}
 static void configure_audio(void)
 {
    if (fw_config_probe(FW_CONFIG(AUDIO_AMP, AMP_TAS2563))) {
    	mtk_i2c_bus_init(I2C3, I2C_SPEED_FAST);
    	configure_i2s();
+		printk(BIOS_INFO, "Audio configure TAS2563\n");
+	} else if (fw_config_probe(FW_CONFIG(AUDIO_AMP, AMP_ALC5645))) {
+		configure_alc5645();
+		printk(BIOS_INFO, "Audio configure ALC5645\n");
+	} else {
+		printk(BIOS_INFO, "Audio configure default amps NAU8318\n");
    }

printk(BIOS_INFO, "%s: done\n", __func__);