[coreboot-gerrit] New patch to review for coreboot: intel/kunimitsu: Add support for MAX98357A audio amplifier
Patrick Georgi (pgeorgi@google.com)
gerrit at coreboot.org
Thu Jan 14 11:05:10 CET 2016
Patrick Georgi (pgeorgi at google.com) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/12949
-gerrit
commit 2e779fd3e19a7d04513ffc2e5b80bc9c9d91b293
Author: Rohit Ainapure <rohit.m.ainapure at intel.com>
Date: Fri Sep 18 13:40:51 2015 -0700
intel/kunimitsu: Add support for MAX98357A audio amplifier
Adding support for Maxim 98357A audio amplifier.
BUG=chrome-os-partner:44481
BRANCH=None
TEST=Build & boot on Skylake kunimitsu Fab4 with MAXIM codec.
Verify audio playback works using MAXIM.
Change-Id: I4f020ccae540b02d5d533704a52cebb7805715fe
Signed-off-by: Patrick Georgi <pgeorgi at chromium.org>
Original-Commit-Id: c0a81300e02e917500fa3c0241c95dd795abaf04
Original-Change-Id: I8875c9a55f09b1ec353203cfcb2186dc5fd66542
Original-Signed-off-by: Rohit Ainapure <rohit.m.ainapure at intel.com>
Original-Signed-off-by: Subrata Banik <subrata.banik at intel.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/309894
Original-Tested-by: Rohit M Ainapure <rohit.m.ainapure at intel.com>
Original-Reviewed-by: Aaron Durbin <adurbin at chromium.org>
---
src/mainboard/intel/kunimitsu/acpi/mainboard.asl | 39 ++++++++++++++++++++++++
src/mainboard/intel/kunimitsu/gpio.h | 8 +++++
2 files changed, 47 insertions(+)
diff --git a/src/mainboard/intel/kunimitsu/acpi/mainboard.asl b/src/mainboard/intel/kunimitsu/acpi/mainboard.asl
index 73d43bc..2eaee84 100644
--- a/src/mainboard/intel/kunimitsu/acpi/mainboard.asl
+++ b/src/mainboard/intel/kunimitsu/acpi/mainboard.asl
@@ -44,6 +44,45 @@ Scope (\_SB)
{
Name (_HID, EisaId ("PNP0C0C"))
}
+
+ Device (MAXM)
+ {
+ Name (_HID, "MX98357A")
+ Name (_DDN, "Maxim Integrated 98357A Amplifier")
+ Name (_UID, 1)
+ Name (_CRS, ResourceTemplate()
+ {
+ GpioIo (Exclusive, PullDefault, 0x0000, 0x0000,
+ IoRestrictionOutputOnly,
+ "\\_SB.PCI0.GPIO", 0x00, ResourceConsumer,,)
+ {
+ AUDIO_DB_ID
+ }
+ })
+ Name (_DSD, Package ()
+ {
+ ToUUID ("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"),
+ Package () {
+ Package () {
+ /*
+ * Create a named GPIO
+ * "sdmode-gpio" for the
+ * kernel codec driver
+ * to use.
+ */
+
+ "sdmode-gpio", Package () {
+ ^MAXM, 0, 0, 0
+ }
+ },
+ }
+ })
+
+ Method (_STA)
+ {
+ Return (0xF)
+ }
+ }
}
/*
diff --git a/src/mainboard/intel/kunimitsu/gpio.h b/src/mainboard/intel/kunimitsu/gpio.h
index a06e42d..cfec92e 100755
--- a/src/mainboard/intel/kunimitsu/gpio.h
+++ b/src/mainboard/intel/kunimitsu/gpio.h
@@ -50,6 +50,14 @@
#define EC_SCI_GPI GPE0_DW2_16
#define EC_SMI_GPI GPP_E15
+/*
+ * GPP_E3 is AUDIO_DB_ID.
+ * It is a dual purpose GPIO, used for Audio Daughter
+ * Board Identification & to control the shutdown mode pin
+ * of the Maxim amp.
+ */
+#define AUDIO_DB_ID GPP_E3
+
#ifndef __ACPI__
/* Pad configuration in ramstage. */
static const struct pad_config gpio_table[] = {
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