mb/system76/cml-u: Add Darter Pro 6 as a variant

Change-Id: I9ba7d2af3c9c298fda2b2997d52546cc2f702a82
Signed-off-by: Jeremy Soller <jeremy@system76.com>
Signed-off-by: Tim Crawford <tcrawford@system76.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/52063
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>

6 files changed, 60 insertions, 1 deletions

diff --git a/src/mainboard/system76/cml-u/Kconfig b/src/mainboard/system76/cml-u/Kconfig
index 87559025be..5bc5a4401c 100644
--- a/src/mainboard/system76/cml-u/Kconfig
+++ b/src/mainboard/system76/cml-u/Kconfig
@@ -1,4 +1,4 @@
-if BOARD_SYSTEM76_GALP4
+if BOARD_SYSTEM76_GALP4 || BOARD_SYSTEM76_DARP6
 
 config BOARD_SPECIFIC_OPTIONS
 	def_bool y
@@ -6,6 +6,7 @@ config BOARD_SPECIFIC_OPTIONS
 	select DRIVERS_I2C_HID
 	select EC_SYSTEM76_EC
 	select EC_SYSTEM76_EC_BAT_THRESHOLDS
+	select EC_SYSTEM76_EC_COLOR_KEYBOARD if BOARD_SYSTEM76_DARP6
 	select HAVE_ACPI_RESUME
 	select HAVE_ACPI_TABLES
 	select HAVE_CMOS_DEFAULT
@@ -27,18 +28,22 @@ config MAINBOARD_DIR
 
 config VARIANT_DIR
 	default "galp4" if BOARD_SYSTEM76_GALP4
+	default "darp6" if BOARD_SYSTEM76_DARP6
 
 config OVERRIDE_DEVICETREE
 	default "variants/\$(CONFIG_VARIANT_DIR)/overridetree.cb"
 
 config MAINBOARD_PART_NUMBER
 	default "galp4" if BOARD_SYSTEM76_GALP4
+	default "darp6" if BOARD_SYSTEM76_DARP6
 
 config MAINBOARD_SMBIOS_PRODUCT_NAME
 	default "Galago Pro" if BOARD_SYSTEM76_GALP4
+	default "Darter Pro" if BOARD_SYSTEM76_DARP6
 
 config MAINBOARD_VERSION
 	default "galp4" if BOARD_SYSTEM76_GALP4
+	default "darp6" if BOARD_SYSTEM76_DARP6
 
 config CBFS_SIZE
 	default 0xA00000
diff --git a/src/mainboard/system76/cml-u/Kconfig.name b/src/mainboard/system76/cml-u/Kconfig.name
index 4bd0279cce..30478cac8c 100644
--- a/src/mainboard/system76/cml-u/Kconfig.name
+++ b/src/mainboard/system76/cml-u/Kconfig.name
@@ -1,2 +1,5 @@
 config BOARD_SYSTEM76_GALP4
 	bool "galp4"
+
+config BOARD_SYSTEM76_DARP6
+	bool "darp6"
diff --git a/src/mainboard/system76/cml-u/variants/darp6/board_info.txt b/src/mainboard/system76/cml-u/variants/darp6/board_info.txt
new file mode 100644
index 0000000000..918b290286
--- /dev/null
+++ b/src/mainboard/system76/cml-u/variants/darp6/board_info.txt
@@ -0,0 +1 @@
+Board name: darp6
diff --git a/src/mainboard/system76/cml-u/variants/darp6/data.vbt b/src/mainboard/system76/cml-u/variants/darp6/data.vbt
new file mode 100644
index 0000000000..f14d8073e9
--- /dev/null
+++ b/src/mainboard/system76/cml-u/variants/darp6/data.vbt
diff --git a/src/mainboard/system76/cml-u/variants/darp6/hda_verb.c b/src/mainboard/system76/cml-u/variants/darp6/hda_verb.c
new file mode 100644
index 0000000000..09d835726e
--- /dev/null
+++ b/src/mainboard/system76/cml-u/variants/darp6/hda_verb.c
@@ -0,0 +1,35 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <device/azalia_device.h>
+
+const u32 cim_verb_data[] = {
+	/* Realtek ALC293 */
+	0x10ec0293, /* Vendor ID */
+	0x15581404, /* Subsystem ID */
+	12, /* Number of entries */
+	AZALIA_SUBVENDOR(0, 0x15581404),
+	AZALIA_PIN_CFG(0, 0x12, 0x90a60140),
+	AZALIA_PIN_CFG(0, 0x13, 0x40000000),
+	AZALIA_PIN_CFG(0, 0x14, 0x90170110),
+	AZALIA_PIN_CFG(0, 0x15, 0x02211020),
+	AZALIA_PIN_CFG(0, 0x16, 0x411111f0),
+	AZALIA_PIN_CFG(0, 0x18, 0x02a11050),
+	AZALIA_PIN_CFG(0, 0x19, 0x411111f0),
+	AZALIA_PIN_CFG(0, 0x1a, 0x411111f0),
+	AZALIA_PIN_CFG(0, 0x1b, 0x411111f0),
+	AZALIA_PIN_CFG(0, 0x1d, 0x41738205),
+	AZALIA_PIN_CFG(0, 0x1e, 0x02451130),
+
+	/* Intel GPU HDMI */
+	0x8086280b, /* Vendor ID */
+	0x80860101, /* Subsystem ID */
+	4, /* Number of entries */
+	AZALIA_SUBVENDOR(2, 0x80860101),
+	AZALIA_PIN_CFG(2, 0x05, 0x18560010),
+	AZALIA_PIN_CFG(2, 0x06, 0x18560010),
+	AZALIA_PIN_CFG(2, 0x07, 0x18560010),
+};
+
+const u32 pc_beep_verbs[] = {};
+
+AZALIA_ARRAY_SIZES;
diff --git a/src/mainboard/system76/cml-u/variants/darp6/overridetree.cb b/src/mainboard/system76/cml-u/variants/darp6/overridetree.cb
new file mode 100644
index 0000000000..1723cea480
--- /dev/null
+++ b/src/mainboard/system76/cml-u/variants/darp6/overridetree.cb
@@ -0,0 +1,15 @@
+chip soc/intel/cannonlake
+	device domain 0 on
+		subsystemid 0x1558 0x1404 inherit
+		device pci 15.0 on
+			chip drivers/i2c/hid
+				register "generic.hid" = ""PNP0C50""
+				register "generic.desc" = ""Synaptics Touchpad""
+				register "generic.irq" = "ACPI_IRQ_EDGE_LOW(GPP_C23_IRQ)"
+				register "generic.probed" = "1"
+				register "hid_desc_reg_offset" = "0x20"
+				device i2c 2c on end
+			end
+		end # I2C #0
+	end
+end