platform/chrome: cros_ec_lpc: Add quirks for Framework Laptop

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.

Tested-by: Dustin L. Howett <dustin@howett.net>
Signed-off-by: Ben Walsh <ben@jubnut.com>
Link: https://lore.kernel.org/r/20240605063351.14836-6-ben@jubnut.com
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>

diff --git a/drivers/platform/chrome/cros_ec_lpc.c b/drivers/platform/chrome/cros_ec_lpc.c
index 5d9cc8df208bfc23b51b81233060888f78141d09..ebe9fb143840d2b86c8579c9561f090f3540c7d0 100644 (file)
--- 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 */ }
 };