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authorSubrata Banik <subrata.banik@intel.com>2015-11-27 11:17:35 +0530
committerPatrick Georgi <pgeorgi@google.com>2016-01-15 11:59:41 +0100
commit4d27c42604034acd3f7252e46b0c6d3a8510e3ae (patch)
tree0e034868b1b62f11c09e020b8eee0d60ee8a40d8 /src/mainboard/google/lars
parent3b43fa90866ade5805e95ea522aa0f43820550e8 (diff)
downloadcoreboot-4d27c42604034acd3f7252e46b0c6d3a8510e3ae.tar.xz
google/lars: Add support for MAX98357A audio amplifier
Adding support for Maxim 98357A audio amplifier. Removed SSM4567 support from LARs. BUG=chrome-os-partner:44481 BRANCH=None TEST=Build & boot on LARs. Verify audio playback works using MAXIM amplifiers. Change-Id: I2cd8b20e936319b434017b6dd73d4739684d21d3 Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Original-Commit-Id: 76cbc20826c884194a144f6b6bc644900e5d475d Original-Change-Id: I1156096b6aa367c0b8d8e3952d92f0eb5cf2820f Original-Signed-off-by: Subrata Banik <subrata.banik@intel.com> Original-Reviewed-on: https://chromium-review.googlesource.com/314543 Original-Commit-Ready: Nicolas Boichat <drinkcat@chromium.org> Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: https://review.coreboot.org/12960 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martinroth@google.com>
Diffstat (limited to 'src/mainboard/google/lars')
-rw-r--r--src/mainboard/google/lars/acpi/mainboard.asl88
-rwxr-xr-xsrc/mainboard/google/lars/gpio.h3
2 files changed, 43 insertions, 48 deletions
diff --git a/src/mainboard/google/lars/acpi/mainboard.asl b/src/mainboard/google/lars/acpi/mainboard.asl
index 73d43bc276..e8397a1f12 100644
--- a/src/mainboard/google/lars/acpi/mainboard.asl
+++ b/src/mainboard/google/lars/acpi/mainboard.asl
@@ -44,6 +44,46 @@ 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,
+ IoRestrictionNone,
+ "\\_SB.PCI0.GPIO", 0x00, ResourceConsumer,,)
+ {
+ GPIO_SPEAKER_MAXIM_AMP_SDMODE,
+ }
+ })
+ 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)
+ }
+ }
}
/*
@@ -201,52 +241,4 @@ Scope (\_SB.PCI0.I2C4)
Return (0xF)
}
}
-
- /* Left Speaker Amp */
- Device (SPKL)
- {
- Name (_HID, "INT343B")
- Name (_DDN, "SSM4567 Speaker Amp")
- Name (_UID, 0)
-
- Name (_CRS, ResourceTemplate()
- {
- I2cSerialBus (
- BOARD_LEFT_SPEAKER_AMP_I2C_ADDR,
- ControllerInitiated,
- 400000,
- AddressingMode7Bit,
- "\\_SB.PCI0.I2C4",
- )
- })
-
- Method (_STA)
- {
- Return (0xF)
- }
- }
-
- /* Right Speaker Amp */
- Device (SPKR)
- {
- Name (_HID, "INT343B")
- Name (_DDN, "SSM4567 Speaker Amp")
- Name (_UID, 1)
-
- Name (_CRS, ResourceTemplate()
- {
- I2cSerialBus (
- BOARD_RIGHT_SPEAKER_AMP_I2C_ADDR,
- ControllerInitiated,
- 400000,
- AddressingMode7Bit,
- "\\_SB.PCI0.I2C4",
- )
- })
-
- Method (_STA)
- {
- Return (0xF)
- }
- }
}
diff --git a/src/mainboard/google/lars/gpio.h b/src/mainboard/google/lars/gpio.h
index 7ebeb5d7a3..bc11729f74 100755
--- a/src/mainboard/google/lars/gpio.h
+++ b/src/mainboard/google/lars/gpio.h
@@ -20,6 +20,9 @@
#include <soc/gpe.h>
#include <soc/gpio.h>
+/* MAX98357A SD_MODE */
+#define GPIO_SPEAKER_MAXIM_AMP_SDMODE GPP_B2
+
/* EC in RW */
#define GPIO_EC_IN_RW GPP_C6