[PATCH 1/3] dt-bindings: Add dt bindings for flex noc Performance Monitor

From: shubhrajyoti . datta
Date: Mon Nov 25 2019 - 06:00:11 EST


From: Shubhrajyoti Datta <shubhrajyoti.datta@xxxxxxxxxx>

Add dt bindings for flexnoc Performance Monitor.
The flexnoc counters for read and write response and requests are
supported.

Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@xxxxxxxxxx>
---
changes from RFC:
moved to schema / yaml

.../devicetree/bindings/perf/xlnx-flexnoc-pm.yaml | 45 ++++++++++++++++++++++
1 file changed, 45 insertions(+)
create mode 100644 Documentation/devicetree/bindings/perf/xlnx-flexnoc-pm.yaml

diff --git a/Documentation/devicetree/bindings/perf/xlnx-flexnoc-pm.yaml b/Documentation/devicetree/bindings/perf/xlnx-flexnoc-pm.yaml
new file mode 100644
index 0000000..bd0f345
--- /dev/null
+++ b/Documentation/devicetree/bindings/perf/xlnx-flexnoc-pm.yaml
@@ -0,0 +1,45 @@
+# SPDX-License-Identifier: GPL-2.0-or-later OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/perf/xlnx-flexnoc-pm.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Xilinx flexnoc Performance Monitor device tree bindings
+
+maintainers:
+ - Arnd Bergmann <arnd@xxxxxxxx>
+ - Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
+
+properties:
+ compatible:
+ # Versal SoC based boards
+ items:
+ - enum:
+ - xlnx,flexnoc-pm-2.7
+
+ reg:
+ items:
+ - description: funnel registers
+ - description: baselpd registers
+ - description: basefpd registers
+
+ reg-names:
+ # The core schema enforces this is a string array
+ items:
+ - const: funnel
+ - const: baselpd
+ - const: basefpd
+
+required:
+ - compatible
+ - reg
+
+examples:
+ - |
+ performance-monitor@f0920000 {
+ compatible = "xlnx,flexnoc-pm-2.7";
+ reg-names = "funnel", "baselpd", "basefpd";
+ reg = <0x0 0xf0920000 0x0 0x1000>,
+ <0x0 0xf0980000 0x0 0x9000>,
+ <0x0 0xf0b80000 0x0 0x9000>;
+ };
--
2.1.1