mb/google/poppy: Enable speaker and codec for nami

Nami uses MAX98357A speaker amplifier and DA7219 codec. This patch
adds max98357a and da7219 under I2C #3 in devicetree and adds SPK DMIC
nhlt support for 4CH DMIC.

BUG=b:70646770
TEST=emerge-nami coreboot

Change-Id: Iecf4059f8ea3d5e34f33f0be227897a8cca636fa
Signed-off-by: Gaggery Tsai <gaggery.tsai@intel.com>
Reviewed-on: https://review.coreboot.org/22861
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>

src/mainboard/google/poppy/Kconfig

@@ -55,6 +55,12 @@ config INCLUDE_NHLT_BLOBS_NAUTILUS
 	select NHLT_DMIC_4CH
 	select NHLT_MAX98357
 
+config INCLUDE_NHLT_BLOBS_NAMI
+	bool "Include blobs for nami audio."
+	select NHLT_DA7219
+	select NHLT_DMIC_4CH
+	select NHLT_MAX98357
+
 config MAINBOARD_DIR
 	string
 	default "google/poppy"
@@ -118,6 +124,8 @@ config VARIANT_SPECIFIC_OPTIONS_POPPY
 
 config VARIANT_SPECIFIC_OPTIONS_NAMI
 	def_bool n
+	select DRIVERS_GENERIC_MAX98357A
+	select DRIVERS_I2C_DA7219
 	select DRIVERS_PS2_KEYBOARD
 	select DRIVERS_SPI_ACPI
 	select EXCLUDE_NATIVE_SD_INTERFACE

src/mainboard/google/poppy/variants/nami/Makefile.inc

@@ -8,4 +8,5 @@ bootblock-y += gpio.c
 romstage-y += memory.c
 
 ramstage-y += gpio.c
+ramstage-y += nhlt.c
 ramstage-y += pl2.c

src/mainboard/google/poppy/variants/nami/devicetree.cb

@@ -246,7 +246,30 @@ chip soc/intel/skylake
 		device pci 15.0 on  end # I2C #0
 		device pci 15.1 on  end # I2C #1
 		device pci 15.2 on  end # I2C #2
-		device pci 15.3 on  end # I2C #3
+		device pci 15.3 on
+			chip drivers/generic/max98357a
+				register "sdmode_gpio" =  "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_A23)"
+				register "sdmode_delay" = "5"
+				device generic 0 on end
+			end
+			chip drivers/i2c/da7219
+				register "irq" = "ACPI_IRQ_LEVEL_LOW(GPP_D9_IRQ)"
+				register "btn_cfg" = "50"
+				register "mic_det_thr" = "500"
+				register "jack_ins_deb" = "20"
+				register "jack_det_rate" = ""32ms_64ms""
+				register "jack_rem_deb" = "1"
+				register "a_d_btn_thr" = "0xa"
+				register "d_b_btn_thr" = "0x16"
+				register "b_c_btn_thr" = "0x21"
+				register "c_mic_btn_thr" = "0x3e"
+				register "btn_avg" = "4"
+				register "adc_1bit_rpt" = "1"
+				register "micbias_lvl" = "2600"
+				register "mic_amp_in_sel" = ""diff""
+				device i2c 1A on end
+			end
+		end # I2C #3
 		device pci 16.0 on  end # Management Engine Interface 1
 		device pci 16.1 off end # Management Engine Interface 2
 		device pci 16.2 off end # Management Engine IDE-R

src/mainboard/google/poppy/variants/nami/nhlt.c

@@ -0,0 +1,35 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2017 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 Smart Amps for left and right speakers. */
+	if (nhlt_soc_add_max98357(nhlt, AUDIO_LINK_SSP0))
+		printk(BIOS_ERR, "Couldn't add  Maxim_98357 codec.\n");
+
+}