diff options
| author | Mario Limonciello <mario.limonciello@amd.com> | 2023-04-14 09:40:08 -0500 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2023-04-20 18:20:05 +0800 |
| commit | 482c84e906e535072c55395acabd3a58e9443d12 (patch) | |
| tree | deaa8a8e0d02aef6d549b1c28405294b0b233299 /drivers/i2c/busses/Kconfig | |
| parent | 440da737cf8d35a1b2205678cc1879fa90948f7a (diff) | |
i2c: designware: Add doorbell support for Mendocino
Mendocino and later platform don't use the platform feature mailbox for
communication for I2C arbitration, they rely upon ringing a doorbell.
Detect the platform by the device ID of the root port and choose the
appropriate method.
Link: https://lore.kernel.org/linux-i2c/20220916131854.687371-3-jsd@semihalf.com/
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Acked-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Reviewed-by: Mark Hasemeyer <markhas@chromium.org>
Tested-by: Mark Hasemeyer <markhas@chromium.org>
Acked-by: Wolfram Sang <wsa@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/i2c/busses/Kconfig')
| -rw-r--r-- | drivers/i2c/busses/Kconfig | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig index 89f8b75043d0..4b4323bbf268 100644 --- a/drivers/i2c/busses/Kconfig +++ b/drivers/i2c/busses/Kconfig @@ -568,6 +568,7 @@ config I2C_DESIGNWARE_AMDPSP bool "AMD PSP I2C semaphore support" depends on ACPI depends on CRYPTO_DEV_SP_PSP + depends on PCI depends on I2C_DESIGNWARE_PLATFORM depends on (I2C_DESIGNWARE_PLATFORM=y && CRYPTO_DEV_CCP_DD=y) || \ (I2C_DESIGNWARE_PLATFORM=m && CRYPTO_DEV_CCP_DD) |