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authorBen Zhang <benzh@chromium.org>2015-08-04 22:02:53 -0700
committerPatrick Georgi <pgeorgi@google.com>2015-09-28 09:35:13 +0000
commit98a4431b99b77c20b583199b3a587cd5cd05bbd5 (patch)
tree2542db61158b56bb6baff9517b9bedcfda7c3a56 /src
parent4a399c2bae3695708a931146a4aab92b56491561 (diff)
downloadcoreboot-98a4431b99b77c20b583199b3a587cd5cd05bbd5.tar.xz
glados: Provide nau8825 platform data via _DSD
BUG=chrome-os-partner:41280 BRANCH=none TEST=Audio jack insert/eject detection and headset buttons work on glados with the nau8825 driver in chromeos-3.18 and the staging kernel skl2. Change-Id: I813a985b4a39249a2cdbe45117acbdb7710bfa29 Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Original-Commit-Id: 7a5b3dafd407fea2376dff5c3dcde50dff4704fb Original-Change-Id: Ic24a0c444761d0f3a35c268078e70d9aacca4c80 Original-Signed-off-by: Ben Zhang <benzh@chromium.org> Original-Reviewed-on: https://chromium-review.googlesource.com/293610 Original-Reviewed-by: Anatol Pomazau <anatol@google.com> Original-Reviewed-by: Duncan Laurie <dlaurie@chromium.org> Reviewed-on: http://review.coreboot.org/11720 Tested-by: build bot (Jenkins) Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-by: Martin Roth <martinroth@google.com>
Diffstat (limited to 'src')
-rw-r--r--src/mainboard/google/glados/acpi/mainboard.asl37
1 files changed, 37 insertions, 0 deletions
diff --git a/src/mainboard/google/glados/acpi/mainboard.asl b/src/mainboard/google/glados/acpi/mainboard.asl
index eba18a7d5e..b449ec40ed 100644
--- a/src/mainboard/google/glados/acpi/mainboard.asl
+++ b/src/mainboard/google/glados/acpi/mainboard.asl
@@ -143,6 +143,43 @@ Scope (\_SB.PCI0.I2C4)
Name (_DDN, "NAU88L25 Codec")
Name (_UID, 1)
+ /*
+ * Add DT style bindings with _DSD
+ * Device property values are documented in kernel doc
+ * Documentation/devicetree/bindings/sound/nau8825.txt
+ */
+ Name (_DSD, Package () {
+ ToUUID ("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"),
+ Package () {
+ /* Enable jack detection via JKDET pin */
+ Package () {"nuvoton,jkdet-enable", 1},
+ /*
+ * JKDET pin is pulled up by R389 on board.
+ * JKDET pin polarity = active low
+ */
+ Package () {"nuvoton,jkdet-polarity", 1},
+ /* VREF Impedance = 125 kOhm */
+ Package () {"nuvoton,vref-impedance", 2},
+ /* VDDA(1.8) * 1.53 = 2.754 */
+ Package () {"nuvoton,micbias-voltage", 6},
+ /*
+ * Setup 4 buttons impedance according to
+ * Android specification
+ */
+ Package () {"nuvoton,sar-threshold-num", 4},
+ Package () {"nuvoton,sar-threshold",
+ Package () {0xc, 0x1e, 0x38, 0x60}},
+ Package () {"nuvoton,sar-hysteresis", 1},
+ /* VDDA for button impedance measurement */
+ Package () {"nuvoton,sar-voltage", 0},
+ /* 100ms short key press debounce */
+ Package () {"nuvoton,short-key-debounce", 2},
+ /* 2^(7+2) = 512 ms insert/eject debounce */
+ Package () {"nuvoton,jack-insert-debounce", 7},
+ Package () {"nuvoton,jack-eject-debounce", 7},
+ }
+ })
+
Name (_CRS, ResourceTemplate()
{
I2cSerialBus (