mb/google/zork: Add kconfigs to check schematic version 3.6

Added VARIANT_SUPPORTS_PRE_V3_6_SCHEMATICS and
VARIANT_MIN_BOARD_ID_V3_6_SCHEMATICS. Added helper functions to check
if variant uses v3.6 and if variant uses CODEC GPI.

BUG=b:161938476
BRANCH=None
TEST=None

Change-Id: If86e1ea3c02db354c7b410f1bbc1daacb483cc51
Signed-off-by: Josie Nordrum <josienordrum@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/44156
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

3 files changed, 57 insertions, 0 deletions

diff --git a/src/mainboard/google/zork/Kconfig b/src/mainboard/google/zork/Kconfig
index 6160021cba..bf2fe2e36b 100644
--- a/src/mainboard/google/zork/Kconfig
+++ b/src/mainboard/google/zork/Kconfig
@@ -169,6 +169,34 @@ config VARIANT_SUPPORTS_PRE_V3_SCHEMATICS
 	  longer has to support pre-v3 schematics, `default y` entry
 	  for it can be dropped.
 
+config VARIANT_SUPPORTS_PRE_V3_6_SCHEMATICS
+	bool
+	default y if BOARD_GOOGLE_TREMBYLE
+	default y if BOARD_GOOGLE_EZKINIL
+	default y if BOARD_GOOGLE_MORPHIUS
+	default y if BOARD_GOOGLE_BERKNIP
+	default y if BOARD_GOOGLE_DALBOZ
+	default y if BOARD_GOOGLE_WOOMAX
+	default y if BOARD_GOOGLE_VILBOZ
+	default y if BOARD_GOOGLE_DIRINBOZ
+	default n
+
+config VARIANT_MIN_BOARD_ID_V3_6_SCHEMATICS
+	int
+	depends on VARIANT_SUPPORTS_PRE_V3_6_SCHEMATICS
+	default 4 if BOARD_GOOGLE_TREMBYLE
+	default 3 if BOARD_GOOGLE_EZKINIL
+	default 4 if BOARD_GOOGLE_MORPHIUS
+	default 3 if BOARD_GOOGLE_BERKNIP
+	default 3 if BOARD_GOOGLE_DALBOZ
+	default 2 if BOARD_GOOGLE_WOOMAX
+	default 2 if BOARD_GOOGLE_VILBOZ
+	default 2 if BOARD_GOOGLE_DIRINBOZ
+	default 256
+	help
+	  Minimum board version where the variant starts supporting
+	  v3.6+ version of reference schematics.
+
 config VARIANT_MIN_BOARD_ID_V3_SCHEMATICS
 	int
 	depends on VARIANT_SUPPORTS_PRE_V3_SCHEMATICS
diff --git a/src/mainboard/google/zork/variants/baseboard/helpers.c b/src/mainboard/google/zork/variants/baseboard/helpers.c
index 0a1cf5ccd1..7dc9fd3bd1 100644
--- a/src/mainboard/google/zork/variants/baseboard/helpers.c
+++ b/src/mainboard/google/zork/variants/baseboard/helpers.c
@@ -130,6 +130,31 @@ bool variant_uses_v3_schematics(void)
 	return true;
 }
 
+bool variant_uses_v3_6_schematics(void)
+{
+	uint32_t board_version;
+
+	if (!CONFIG(VARIANT_SUPPORTS_PRE_V3_6_SCHEMATICS))
+		return true;
+
+	if (google_chromeec_cbi_get_board_version(&board_version))
+		return false;
+
+	if ((int)board_version < CONFIG_VARIANT_MIN_BOARD_ID_V3_6_SCHEMATICS)
+		return false;
+
+	return true;
+}
+
+/*
+ * pre-v3.6, CODEC_GPI was used as headphone jack interrupt.
+ * Starting v3.6 this was changed to a separate GPIO.
+ */
+bool variant_uses_codec_gpi(void)
+{
+	return !variant_uses_v3_6_schematics();
+}
+
 bool variant_has_active_low_wifi_power(void)
 {
 	uint32_t board_version;
diff --git a/src/mainboard/google/zork/variants/baseboard/include/baseboard/variants.h b/src/mainboard/google/zork/variants/baseboard/include/baseboard/variants.h
index 6b9bbfd3bc..8770944993 100644
--- a/src/mainboard/google/zork/variants/baseboard/include/baseboard/variants.h
+++ b/src/mainboard/google/zork/variants/baseboard/include/baseboard/variants.h
@@ -66,6 +66,10 @@ int boot_is_factory_unprovisioned(void);
 
 /* Return true if variant uses v3 version of reference schematics. */
 bool variant_uses_v3_schematics(void);
+/* Return true if variant uses v3.6 version of reference schematics. */
+bool variant_uses_v3_6_schematics(void);
+/* Return true if variant uses CODEC_GPI pin for headphone jack interrupt. */
+bool variant_uses_codec_gpi(void);
 /* Return true if variant has active low power enable fow WiFi. */
 bool variant_has_active_low_wifi_power(void);