grunt/treeya: add Realtek ALC5682 codec support

Replace audio codec from DA7219 to Realtek ALC5682.
Add Realtek ALC5682 support.

BUG=b:185972050
BRANCH=master
TEST=check on treeya system ALC5682 audio codec is working normally.

Signed-off-by: Kevin Chang <kevin.chang@lcfc.corp-partner.google.com>
Change-Id: I49c673fd944b2c2a79c4283eee941a16596ba7fa
Reviewed-on: https://review.coreboot.org/c/coreboot/+/56100
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>

src/mainboard/google/kahlee/variants/treeya/Makefile.inc

@@ -1,3 +1,5 @@
 # SPDX-License-Identifier: GPL-2.0-only
 
 subdirs-y += ./spd
+
+ramstage-y += audio.c

src/mainboard/google/kahlee/variants/treeya/audio.c

@@ -0,0 +1,59 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <console/console.h>
+#include <ec/google/chromeec/ec.h>
+#include <baseboard/variants.h>
+#include <variant/sku.h>
+#include <string.h>
+#include <drivers/i2c/hid/chip.h>
+
+#define RT58_I2C_ADDRESS 0x1a
+
+extern struct chip_operations drivers_i2c_generic_ops;
+extern struct chip_operations drivers_i2c_da7219_ops;
+
+void variant_devtree_update(void)
+{
+	struct device *mmio_dev = NULL, *child = NULL;
+	struct device *alc_dev = NULL, *da7219_dev = NULL;
+
+	do {
+		mmio_dev = dev_find_path(mmio_dev, DEVICE_PATH_MMIO);
+		if (!mmio_dev) {
+			printk(BIOS_INFO, "Checking audio codec\n");
+			return;
+		}
+	} while (mmio_dev->path.mmio.addr != I2C_BASE_ADDRESS);
+
+	while ((child = dev_bus_each_child(mmio_dev->link_list, child)) != NULL) {
+		if (child->path.type != DEVICE_PATH_I2C)
+			continue;
+		if (child->path.i2c.device != RT58_I2C_ADDRESS)
+			continue;
+		if (child->chip_ops == &drivers_i2c_generic_ops) {
+			struct drivers_i2c_generic_config *config = child->chip_info;
+			if (!strcmp(config->hid, "10EC5682"))
+				alc_dev = child;
+		} else if (child->chip_ops == &drivers_i2c_da7219_ops) {
+			da7219_dev = child;
+		}
+	}
+
+	switch (google_chromeec_get_sku_id()) {
+	case SKU_TREEYA_ALC5682_AE:
+	case SKU_TREEYA_ALC5682_AF:
+		/* alc5682 only */
+		if (da7219_dev)
+			da7219_dev->enabled = 0;
+		if (alc_dev)
+			alc_dev->enabled = 1;
+		break;
+	default:
+		/* da7219 only */
+		if (da7219_dev)
+			da7219_dev->enabled = 1;
+		if (alc_dev)
+			alc_dev->enabled = 0;
+		break;
+	}
+}

src/mainboard/google/kahlee/variants/treeya/devicetree.cb

@@ -110,6 +110,21 @@ chip soc/amd/stoneyridge
 			register "mclk_name" = ""oscout1""
 			device i2c 1a on end
 		end
+		chip drivers/i2c/generic
+			register "hid" = ""10EC5682""
+			register "name" = ""RT58""
+			register "uid" = "1"
+			register "desc" = ""Realtek RT5682""
+			register "irq_gpio" = "ACPI_GPIO_IRQ_EDGE_BOTH(GPIO_14)"
+			register "property_count" = "2"
+			register "property_list[0].type" = "ACPI_DP_TYPE_INTEGER"
+			register "property_list[0].name" = ""realtek,jd-src""
+			register "property_list[0].integer" = "1"
+			register "property_list[1].type" = "ACPI_DP_TYPE_STRING"
+			register "property_list[1].name" = ""realtek,mclk-name""
+			register "property_list[1].string" = ""oscout1""
+			device i2c 1a on end
+		end
 		chip drivers/generic/max98357a
 			register "hid" = ""MX98357A""
 			register "sdmode_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPIO_119)"

src/mainboard/google/kahlee/variants/treeya/include/variant/sku.h

@@ -0,0 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+/* SKU ID enumeration */
+enum treeya_sku {
+	SKU_UNKNOWN = -1,
+	SKU_TREEYA_ALC5682_AE = 174,
+	SKU_TREEYA_ALC5682_AF = 175,
+};