drivers/i2c/da7219: Add mclk-name property

Non-dts based systems can pass mclk to da7219 driver by
this property.

BUG=b:74570989
TEST=Enabled clock in kernel driver using the property

Change-Id: I2e10769e5b3c6b3aa30f340fe0e88c29b87430cb
Signed-off-by: Akshu Agrawal <akshu.agrawal@amd.com>
Reviewed-on: https://review.coreboot.org/25919Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>

src/drivers/i2c/da7219/chip.h

@@ -106,4 +106,10 @@ struct drivers_i2c_da7219_config {
 	 * [<1>, <2>, <4>, <8>]
 	 */
 	unsigned adc_1bit_rpt;
+
+	/*
+	 * mclk-name : Pass the system clk to da7219
+	 * ["name of mclk" ]
+	 */
+	const char *mclk_name;
 };

src/drivers/i2c/da7219/da7219.c

@@ -86,6 +86,8 @@ static void da7219_fill_ssdt(struct device *dev)
 	dsd = acpi_dp_new_table("_DSD");
 	acpi_dp_add_integer(dsd, "dlg,micbias-lvl", config->micbias_lvl);
 	acpi_dp_add_string(dsd, "dlg,mic-amp-in-sel", config->mic_amp_in_sel);
+	if (config->mclk_name != NULL)
+		acpi_dp_add_string(dsd, "dlg,mclk-name", config->mclk_name);
 	acpi_dp_add_child(dsd, "da7219_aad", aad);
 
 	/* Write Device Property Hierarchy */