[v3,5/5] platform/chrome: cros_ec_lpc: Add quirks for Framework Laptop

Commit Message

Ben Walsh June 5, 2024, 6:33 a.m. UTC

For Framework Laptops with Microchip EC (MEC), use the ACPI id
"PNP0C09" to find the ACPI device, and AML mutex "ECMT" to protect EC
memory access.

Signed-off-by: Ben Walsh <[e-mail]>
---
 drivers/platform/chrome/cros_ec_lpc.c | 7 +++++++
 1 file changed, 7 insertions(+)

Patch

diff --git a/drivers/platform/chrome/cros_ec_lpc.c b/drivers/platform/chrome/cros_ec_lpc.c
index 5d9cc8df208b..ebe9fb143840 100644
--- a/drivers/platform/chrome/cros_ec_lpc.c
+++ b/drivers/platform/chrome/cros_ec_lpc.c
@@ -636,6 +636,12 @@  static const struct lpc_driver_data framework_laptop_amd_lpc_driver_data __initc
 	.quirk_mmio_memory_base = 0xE00,
 };
 
+static const struct lpc_driver_data framework_laptop_11_lpc_driver_data __initconst = {
+	.quirks = CROS_EC_LPC_QUIRK_ACPI_ID|CROS_EC_LPC_QUIRK_AML_MUTEX,
+	.quirk_acpi_id = "PNP0C09",
+	.quirk_aml_mutex_name = "ECMT",
+};
+
 static const struct dmi_system_id cros_ec_lpc_dmi_table[] __initconst = {
 	{
 		/*
@@ -704,6 +710,7 @@  static const struct dmi_system_id cros_ec_lpc_dmi_table[] __initconst = {
 			DMI_MATCH(DMI_SYS_VENDOR, "Framework"),
 			DMI_MATCH(DMI_PRODUCT_NAME, "Laptop"),
 		},
+		.driver_data = (void *)&framework_laptop_11_lpc_driver_data,
 	},
 	{ /* sentinel */ }
 };