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| author | Jason Gunthorpe | 2016-11-07 23:44:31 +0100 |
|---|---|---|
| committer | Jarkko Sakkinen | 2016-11-28 00:31:31 +0100 |
| commit | 420d439849cabaa0587c424b09b9507108a4e058 (patch) | |
| tree | 8c2bbf040d0ed3c6ca5f26068ced642d9ef10991 /drivers/char/tpm/tpm_tis.c | |
| parent | tpm, tpm_vtpm_proxy: add kdoc comments for VTPM_PROXY_IOC_NEW_DEV (diff) | |
| download | kernel-qcow2-linux-420d439849cabaa0587c424b09b9507108a4e058.tar.gz kernel-qcow2-linux-420d439849cabaa0587c424b09b9507108a4e058.tar.xz kernel-qcow2-linux-420d439849cabaa0587c424b09b9507108a4e058.zip | |
tpm_tis: Allow tpm_tis to be bound using DT
This provides an open firwmare driver binding for tpm_tis. OF
is useful on arches where ACPI/PNP is not used.
The tcg,tpm-tis-mmio register map interface is specified by the TCG.
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Diffstat (limited to 'drivers/char/tpm/tpm_tis.c')
| -rw-r--r-- | drivers/char/tpm/tpm_tis.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c index eaf5730d79eb..0127af130cb1 100644 --- a/drivers/char/tpm/tpm_tis.c +++ b/drivers/char/tpm/tpm_tis.c @@ -28,6 +28,8 @@ #include <linux/wait.h> #include <linux/acpi.h> #include <linux/freezer.h> +#include <linux/of.h> +#include <linux/of_device.h> #include "tpm.h" #include "tpm_tis_core.h" @@ -354,12 +356,21 @@ static int tpm_tis_plat_remove(struct platform_device *pdev) return 0; } +#ifdef CONFIG_OF +static const struct of_device_id tis_of_platform_match[] = { + {.compatible = "tcg,tpm-tis-mmio"}, + {}, +}; +MODULE_DEVICE_TABLE(of, tis_of_platform_match); +#endif + static struct platform_driver tis_drv = { .probe = tpm_tis_plat_probe, .remove = tpm_tis_plat_remove, .driver = { .name = "tpm_tis", .pm = &tpm_tis_pm, + .of_match_table = of_match_ptr(tis_of_platform_match), }, }; |