diff options
| author | Alexander Shishkin <alexander.shishkin@linux.intel.com> | 2016-11-11 12:09:11 +0200 |
|---|---|---|
| committer | Alexander Shishkin <alexander.shishkin@linux.intel.com> | 2017-08-25 18:47:56 +0300 |
| commit | 92758af39ab73f470f765b7213fb4c88c7e5ca03 (patch) | |
| tree | fe16d23fa5fe0216aabf08b16f0199b7232cc258 /drivers/hwtracing | |
| parent | d5c435df4a890be0ef51f3047080756002d140dd (diff) | |
| download | linux-92758af39ab73f470f765b7213fb4c88c7e5ca03.tar.bz2 | |
intel_th: Enumerate Low Power Path output port type
Trace Hub 2.x adds Low Power Path (LPP) output port type, which provides
a low power mode trace path from sources to PTI or BSSB.
This adds an output subdevice for the LPP port.
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Diffstat (limited to 'drivers/hwtracing')
| -rw-r--r-- | drivers/hwtracing/intel_th/core.c | 15 | ||||
| -rw-r--r-- | drivers/hwtracing/intel_th/intel_th.h | 3 |
2 files changed, 17 insertions, 1 deletions
diff --git a/drivers/hwtracing/intel_th/core.c b/drivers/hwtracing/intel_th/core.c index 4f569593db01..d1760003b4a4 100644 --- a/drivers/hwtracing/intel_th/core.c +++ b/drivers/hwtracing/intel_th/core.c @@ -504,6 +504,21 @@ static const struct intel_th_subdevice { .nres = 1, .res = { { + .start = REG_PTI_OFFSET, + .end = REG_PTI_OFFSET + REG_PTI_LENGTH - 1, + .flags = IORESOURCE_MEM, + }, + }, + .id = -1, + .name = "lpp", + .type = INTEL_TH_OUTPUT, + .otype = GTH_LPP, + .scrpd = SCRPD_PTI_IS_PRIM_DEST, + }, + { + .nres = 1, + .res = { + { .start = REG_DCIH_OFFSET, .end = REG_DCIH_OFFSET + REG_DCIH_LENGTH - 1, .flags = IORESOURCE_MEM, diff --git a/drivers/hwtracing/intel_th/intel_th.h b/drivers/hwtracing/intel_th/intel_th.h index d44da50be3b0..3f4558404dca 100644 --- a/drivers/hwtracing/intel_th/intel_th.h +++ b/drivers/hwtracing/intel_th/intel_th.h @@ -103,7 +103,8 @@ enum { GTH_NONE = 0, GTH_MSU, /* memory/usb */ GTH_CTP, /* Common Trace Port */ - GTH_PTI = 4, /* MIPI-PTI */ + GTH_LPP, /* Low Power Path */ + GTH_PTI, /* MIPI-PTI */ }; /** |