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Message-Id: <20200805110052.2655487-2-daniel@0x0f.com>
Date: Wed, 5 Aug 2020 20:00:50 +0900
From: Daniel Palmer <daniel@...f.com>
To: linux-arm-kernel@...ts.infradead.org
Cc: linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
tglx@...utronix.de, jason@...edaemon.net, maz@...nel.org,
robh+dt@...nel.org, arnd@...db.de, Daniel Palmer <daniel@...f.com>
Subject: [PATCH 1/3] dt: bindings: interrupt-controller: Add binding description for msc313-intc
Adds a YAML description of the binding for the msc313-intc.
Signed-off-by: Daniel Palmer <daniel@...f.com>
---
.../mstar,msc313-intc.yaml | 79 +++++++++++++++++++
MAINTAINERS | 1 +
2 files changed, 80 insertions(+)
create mode 100644 Documentation/devicetree/bindings/interrupt-controller/mstar,msc313-intc.yaml
diff --git a/Documentation/devicetree/bindings/interrupt-controller/mstar,msc313-intc.yaml b/Documentation/devicetree/bindings/interrupt-controller/mstar,msc313-intc.yaml
new file mode 100644
index 000000000000..e256887aa847
--- /dev/null
+++ b/Documentation/devicetree/bindings/interrupt-controller/mstar,msc313-intc.yaml
@@ -0,0 +1,79 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+# Copyright 2020 thingy.jp.
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/interrupt-controller/mstar,msc313-intc.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: MStar/SigmaStar ARMv7 SoC Interrupt Controller Device Tree Bindings
+
+maintainers:
+ - Daniel Palmer <daniel@...ngy.jp>
+
+allOf:
+ - $ref: /schemas/interrupt-controller.yaml#
+
+properties:
+ "#interrupt-cells":
+ const: 2
+
+ compatible:
+ enum:
+ - mstar,msc313-intc-irq
+ - mstar,msc313-intc-fiq
+
+ reg:
+ maxItems: 1
+
+ interrupt-controller: true
+
+ mstar,gic-offset:
+ description:
+ Offset added to the intc irq number to get the parent GIC irq.
+ allOf:
+ - $ref: /schemas/types.yaml#/definitions/uint32
+ - minimum: 0
+ maximum: 255
+
+ mstar,nr-interrupts:
+ description:
+ Number of interrupt lines this intc has.
+ allOf:
+ - $ref: /schemas/types.yaml#/definitions/uint32
+ - minimum: 1
+ maximum: 64
+
+required:
+ - "#interrupt-cells"
+ - compatible
+ - reg
+ - interrupt-controller
+ - mstar,gic-offset
+ - mstar,nr-interrupts
+
+additionalProperties: false
+
+examples:
+ - |
+ intc_fiq: intc@...310 {
+ compatible = "mstar,msc313-intc-fiq";
+ interrupt-controller;
+ reg = <0x201310 0x40>;
+ #interrupt-cells = <2>;
+ interrupt-parent = <&gic>;
+ mstar,gic-offset = <96>;
+ mstar,nr-interrupts = <32>;
+ };
+
+ - |
+ intc_irq: intc@...350 {
+ compatible = "mstar,msc313-intc-irq";
+ interrupt-controller;
+ reg = <0x201350 0x40>;
+ #interrupt-cells = <2>;
+ interrupt-parent = <&gic>;
+ mstar,gic-offset = <32>;
+ mstar,nr-interrupts = <64>;
+ };
+
+...
diff --git a/MAINTAINERS b/MAINTAINERS
index c8e8232c65da..6e64d17aad7b 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2152,6 +2152,7 @@ L: linux-arm-kernel@...ts.infradead.org (moderated for non-subscribers)
S: Maintained
W: http://linux-chenxing.org/
F: Documentation/devicetree/bindings/arm/mstar/*
+F: Documentation/devicetree/bindings/interrupt-controller/mstar,msc313-intc.yaml
F: arch/arm/boot/dts/infinity*.dtsi
F: arch/arm/boot/dts/mercury*.dtsi
F: arch/arm/boot/dts/mstar-v7.dtsi
--
2.27.0
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