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platform/chrome: cros_ec_lpc: Add quirks for Framework Laptop

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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>
This commit is contained in:
Ben Walsh 2024-06-05 07:33:51 +01:00 committed by Tzung-Bi Shih
parent 38c31b1d73
commit 04ca0a51f1
1 changed files with 7 additions and 0 deletions
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7
drivers/platform/chrome/cros_ec_lpc.c
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@ -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 */ }
};