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Subject[RFC PATCH v2 05/31] Documentation: Add binding for kalray,coolidge-itgen
Date
From: Jules Maselbas <jmaselbas@kalray.eu>

Add documentation for `kalray,coolidge-itgen` binding.

Co-developed-by: Jules Maselbas <jmaselbas@kalray.eu>
Signed-off-by: Jules Maselbas <jmaselbas@kalray.eu>
Signed-off-by: Yann Sionneau <ysionneau@kalray.eu>
---

Notes:
V1 -> V2: new patch

.../kalray,coolidge-itgen.yaml | 48 +++++++++++++++++++
1 file changed, 48 insertions(+)
create mode 100644 Documentation/devicetree/bindings/interrupt-controller/kalray,coolidge-itgen.yaml

diff --git a/Documentation/devicetree/bindings/interrupt-controller/kalray,coolidge-itgen.yaml b/Documentation/devicetree/bindings/interrupt-controller/kalray,coolidge-itgen.yaml
new file mode 100644
index 000000000000..47b503bff1d9
--- /dev/null
+++ b/Documentation/devicetree/bindings/interrupt-controller/kalray,coolidge-itgen.yaml
@@ -0,0 +1,48 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/interrupt-controller/kalray,coolidge-itgen#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Kalray Coolidge SoC Interrupt Generator (ITGEN)
+
+description: |
+ The Interrupt Generator (ITGEN) is an interrupt controller block.
+ It's purpose is to convert IRQ lines coming from SoC peripherals into writes
+ on the AXI bus. The ITGEN intended purpose is to write into the APIC mailboxes.
+
+allOf:
+ - $ref: /schemas/interrupt-controller.yaml#
+
+properties:
+ compatible:
+ const: kalray,coolidge-itgen
+
+ "#interrupt-cells":
+ const: 2
+ description: |
+ - 1st cell is for the IRQ number
+ - 2nd cell is for the trigger type as defined dt-bindings/interrupt-controller/irq.h
+
+ interrupt-controller: true
+
+ msi-parent: true
+
+required:
+ - compatible
+ - reg
+ - "#interrupt-cells"
+ - interrupt-controller
+ - msi-parent
+
+examples:
+ - |
+ itgen: interrupt-controller@27000000 {
+ compatible = "kalray,coolidge-itgen";
+ reg = <0 0x27000000 0 0x1104>;
+ #interrupt-cells = <2>;
+ interrupt-controller;
+ msi-parent = <&apic_mailbox>;
+ };
+
+...
--
2.37.2




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