misc: xilinx_flex: Add support for the flex noc Performance Monitor

Add support for the FlexNoc Performance Monitor. Adds support for various port setting and monitoring the packets transactions. It supports LPD and FPD monitoring counters for read and write transaction requests and responses. Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com> Link: https://lkml.org/lkml/2019/11/25/213 State: waiting (misc) [Squashed with: misc: xilinx_flex: Fix the lock definitions and misc: xilinx_flex: Add support for new eemi calls flex noc Performance Monitor. Also convert to new firmware interface]
Xilinx · May 27, 2021 · a488ba0fdc7388872e2b5ae378612d4e7ea70cb0 · a488ba0
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commit a488ba0fdc7388872e2b5ae378612d4e7ea70cb0
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diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
@@ -444,6 +444,15 @@ config XILINX_SDFEC
 
 	  If unsure, say N.
 
+config XILINX_FLEX_PM
+	tristate "Xilinx Flexnoc Performance Monitor"
+	help
+	  This option enables support for the Xilinx Flex Noc Performance Monitor driver.
+	  It monitors the read and write transactions. It has counters for the LPD and
+	  FPD domains.
+
+	  If unsure, say N
+
 config MISC_RTSX
 	tristate
 	default MISC_RTSX_PCI || MISC_RTSX_USB

diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile
@@ -57,3 +57,4 @@ obj-$(CONFIG_HABANA_AI)		+= habanalabs/
 obj-$(CONFIG_UACCE)		+= uacce/
 obj-$(CONFIG_XILINX_SDFEC)	+= xilinx_sdfec.o
 obj-$(CONFIG_HISI_HIKEY_USB)	+= hisi_hikey_usb.o
+obj-$(CONFIG_XILINX_FLEX_PM)	+= xilinx_flex_pm.o