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Subject[GIT PULL 09/15] intel_th: Enumerate Low Power Path output port type
Date
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>
---
drivers/hwtracing/intel_th/core.c | 15 +++++++++++++++
drivers/hwtracing/intel_th/intel_th.h | 3 ++-
2 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/drivers/hwtracing/intel_th/core.c b/drivers/hwtracing/intel_th/core.c
index 4f569593db..d1760003b4 100644
--- a/drivers/hwtracing/intel_th/core.c
+++ b/drivers/hwtracing/intel_th/core.c
@@ -500,6 +500,21 @@ static const struct intel_th_subdevice {
.otype = GTH_PTI,
.scrpd = SCRPD_PTI_IS_PRIM_DEST,
},
+ {
+ .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 = {
diff --git a/drivers/hwtracing/intel_th/intel_th.h b/drivers/hwtracing/intel_th/intel_th.h
index d44da50be3..3f4558404d 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 */
};

/**
--
2.14.1
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