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>

2 files changed, 29 insertions, 0 deletions

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);