Change in coreboot[master]: mb/google/poppy/variants/rammus: add audio, mic and codec configuration

[Zhuohao Lee (Code Review)]

Zhuohao Lee has uploaded this change for review. ( https://review.coreboot.org/27805

Change subject: mb/google/poppy/variants/rammus: add audio, mic and codec configuration
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mb/google/poppy/variants/rammus: add audio, mic and codec configuration

Rammus uses DA7219 Headset, Maxim MAX98927 Smart Amps and 4 channel dmic

BUG=b:111579386
BRANCH=Master
TEST=Build pass

Change-Id: If21a3870ee4b000a776d2f3e025fb43ef2fe48c7
Signed-off-by: Zhuohao Lee 
---
M src/mainboard/google/poppy/Kconfig
M src/mainboard/google/poppy/variants/rammus/Makefile.inc
A src/mainboard/google/poppy/variants/rammus/nhlt.c
3 files changed, 52 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/05/27805/1

diff --git a/src/mainboard/google/poppy/Kconfig b/src/mainboard/google/poppy/Kconfig
index 9a75d9c..2ca0f96 100644
--- a/src/mainboard/google/poppy/Kconfig
+++ b/src/mainboard/google/poppy/Kconfig
@@ -86,6 +86,12 @@
    select NHLT_DMIC_4CH
    select NHLT_MAX98373

+config INCLUDE_NHLT_BLOBS_RAMMUS
+	bool "Include blobs for rammus audio."
+	select NHLT_DA7219
+	select NHLT_DMIC_4CH
+	select NHLT_MAX98927
+
 config MAINBOARD_DIR
    string
    default "google/poppy"
@@ -186,6 +192,8 @@
 config VARIANT_SPECIFIC_OPTIONS_RAMMUS
    def_bool n
    select CHROMEOS_WIFI_SAR if CHROMEOS
+	select DRIVERS_I2C_MAX98927
+	select DRIVERS_I2C_DA7219
    select MAINBOARD_HAS_SPI_TPM_CR50

config VARIANT_SPECIFIC_OPTIONS_SORAKA
diff --git a/src/mainboard/google/poppy/variants/rammus/Makefile.inc b/src/mainboard/google/poppy/variants/rammus/Makefile.inc
index f24f8a7..98464af 100644
--- a/src/mainboard/google/poppy/variants/rammus/Makefile.inc
+++ b/src/mainboard/google/poppy/variants/rammus/Makefile.inc
@@ -1 +1,2 @@
 SPD_SOURCES = empty				# 0b0000
+ramstage-y += nhlt.c
diff --git a/src/mainboard/google/poppy/variants/rammus/nhlt.c b/src/mainboard/google/poppy/variants/rammus/nhlt.c
new file mode 100644
index 0000000..70c2524
--- /dev/null
+++ b/src/mainboard/google/poppy/variants/rammus/nhlt.c
@@ -0,0 +1,43 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2018 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <baseboard/variants.h>
+#include <console/console.h>
+#include <nhlt.h>
+#include <soc/nhlt.h>
+
+void variant_nhlt_init(struct nhlt *nhlt)
+{
+	/* 4 Channel DMIC array. */
+	if (nhlt_soc_add_dmic_array(nhlt, 4))
+		printk(BIOS_ERR, "Couldn't add 4CH DMIC array.\n");
+
+	/* Dialog DA7219 Headset codec. */
+	if (nhlt_soc_add_da7219(nhlt, AUDIO_LINK_SSP1))
+		printk(BIOS_ERR, "Couldn't add Dialog DA7219.\n");
+
+	/* Maxim MAX98927 Smart Amps for left and right channel */
+	if (nhlt_soc_add_max98927(nhlt, AUDIO_LINK_SSP0))
+		printk(BIOS_ERR, "Couldn't add Maxim MAX98927\n");
+
+}
+
+void variant_nhlt_oem_overrides(const char **oem_id, const char **oem_table_id,
+				uint32_t *oem_revision)
+{
+	*oem_id = "GOOGLE";
+	*oem_table_id = "RAMMUSMAX";
+	*oem_revision = 0;
+}