[coreboot-gerrit] New patch to review for coreboot: mainboard/google/poppy: Enable Maxim 98927 codec

[Rizwan Qureshi (rizwan.qureshi@intel.com)]

Rizwan Qureshi (rizwan.qureshi at intel.com) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/18215

-gerrit

commit 3e0a98382022b86c03b8adab1e91ad7e28daf9aa
Author: Rizwan Qureshi <rizwan.qureshi at intel.com>
Date:   Fri Jan 13 22:22:42 2017 +0530

    mainboard/google/poppy: Enable Maxim 98927 codec
    
    Enable Maxim 98927 codec i2c device and add required
    SSDT parameters.
    
    BUG=None
    BRANCH=None
    TEST=with required driver support in kernel verfy audio on poppy
    on-board speakers.
    
    Change-Id: Id731de42d77204d59f32ac4c33a245837d6e2107
    Signed-off-by: Rizwan Qureshi <rizwan.qureshi at intel.com>
---
 src/mainboard/google/poppy/Kconfig       |  3 +++
 src/mainboard/google/poppy/devicetree.cb | 25 ++++++++++++++++++++++++-
 2 files changed, 27 insertions(+), 1 deletion(-)

diff --git a/src/mainboard/google/poppy/Kconfig b/src/mainboard/google/poppy/Kconfig
index e889e01..42fdf25 100644
--- a/src/mainboard/google/poppy/Kconfig
+++ b/src/mainboard/google/poppy/Kconfig
@@ -20,6 +20,9 @@ config CHROMEOS
 config DRIVERS_I2C_GENERIC
 	def_bool y
 
+config DRIVERS_I2C_MAX98927
+	def_bool y
+
 config GBB_HWID
 	string
 	depends on CHROMEOS
diff --git a/src/mainboard/google/poppy/devicetree.cb b/src/mainboard/google/poppy/devicetree.cb
index a9e0cef..25d63ae 100644
--- a/src/mainboard/google/poppy/devicetree.cb
+++ b/src/mainboard/google/poppy/devicetree.cb
@@ -216,7 +216,30 @@ chip soc/intel/skylake
 		device pci 16.4 off end # Management Engine Interface 3
 		device pci 17.0 off end # SATA
 		device pci 19.0 on  end # UART #2
-		device pci 19.1 on  end # I2C #5
+		device pci 19.1 on
+			chip drivers/i2c/max98927
+				register "interleave_mode" = "1"
+				register "reg" = "0x3A"
+				register "sub_reg" = "0x39"
+				register "regcfg" = "{
+					0, 0x1c, 0xfe,
+					0, 0x1e, 0x00,
+					0, 0x24, 0x85,
+					0, 0x25, 0x85,
+					0, 0x36, 0x03,
+					0, 0x37, 0x03,
+					0, 0x3C, 0x05,
+					1, 0x1c, 0xfd,
+					1, 0x1e, 0x11,
+					1, 0x24, 0x85,
+					1, 0x25, 0x40,
+					1, 0x36, 0x38,
+					1, 0x37, 0x03,
+					1, 0x3C, 0x05
+				}"
+				device i2c 3A on end
+			end
+		end # I2C #5
 		device pci 19.2 on  end # I2C #4
 		device pci 1c.0 on
 			chip drivers/intel/wifi