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Commit 92758af3 authored by Alexander Shishkin's avatar Alexander Shishkin
Browse files

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: default avatarAlexander Shishkin <alexander.shishkin@linux.intel.com>
parent d5c435df

drivers/hwtracing/intel_th/core.c

+15 −0
Original line number Diff line number Diff line
@@ -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	= {

drivers/hwtracing/intel_th/intel_th.h

+2 −1
Original line number Diff line number Diff line
@@ -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 */

};



/**