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authorAlexander Shishkin <alexander.shishkin@linux.intel.com>2016-11-11 12:09:11 +0200
committerAlexander Shishkin <alexander.shishkin@linux.intel.com>2017-08-25 18:47:56 +0300
commit92758af39ab73f470f765b7213fb4c88c7e5ca03 (patch)
treefe16d23fa5fe0216aabf08b16f0199b7232cc258 /drivers/hwtracing
parentd5c435df4a890be0ef51f3047080756002d140dd (diff)
downloadlinux-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.c15
-rw-r--r--drivers/hwtracing/intel_th/intel_th.h3
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 */
};
/**