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| author | Mario Limonciello <mario.limonciello@amd.com> | 2023-03-10 22:19:50 +0100 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2023-03-17 04:16:43 +0100 |
| commit | d5812571f594b03438d0d7acd0dc044f73c1719e (patch) | |
| tree | 0cc20f90f769d891e6c8c11db007d6475d7e641f /drivers/crypto/ccp/sp-pci.c | |
| parent | crypto: ccp - Enable platform access interface on client PSP parts (diff) | |
| download | linux-d5812571f594b03438d0d7acd0dc044f73c1719e.tar.xz linux-d5812571f594b03438d0d7acd0dc044f73c1719e.zip | |
crypto: ccp - Add support for ringing a platform doorbell
Some platforms support using a doorbell to communicate. Export
this feature for other drivers to utilize as well.
Link: https://lore.kernel.org/linux-i2c/20220916131854.687371-3-jsd@semihalf.com/
Suggested-by: Jan Dabros <jsd@semihalf.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/ccp/sp-pci.c')
| -rw-r--r-- | drivers/crypto/ccp/sp-pci.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/crypto/ccp/sp-pci.c b/drivers/crypto/ccp/sp-pci.c index 18aa902eb5ce..b5896f7af7ab 100644 --- a/drivers/crypto/ccp/sp-pci.c +++ b/drivers/crypto/ccp/sp-pci.c @@ -365,6 +365,8 @@ static const struct platform_access_vdata pa_v1 = { .cmdresp_reg = 0x10570, /* C2PMSG_28 */ .cmdbuff_addr_lo_reg = 0x10574, /* C2PMSG_29 */ .cmdbuff_addr_hi_reg = 0x10578, /* C2PMSG_30 */ + .doorbell_button_reg = 0x10a24, /* C2PMSG_73 */ + .doorbell_cmd_reg = 0x10a40, /* C2PMSG_80 */ }; static const struct psp_vdata pspv1 = { |