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79 lines
2.1 KiB
Diff
79 lines
2.1 KiB
Diff
From 4a2b92a5d3519fc2c1edda4d4aa0e05bff41e8de Mon Sep 17 00:00:00 2001
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From: Bert Vermeulen <bert@biot.com>
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Date: Fri, 22 Jan 2021 21:42:23 +0100
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Subject: dt-bindings: interrupt-controller: Add Realtek RTL838x/RTL839x
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support
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Document the binding for the Realtek RTL838x/RTL839x interrupt controller.
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Reviewed-by: Rob Herring <robh@kernel.org>
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Signed-off-by: Bert Vermeulen <bert@biot.com>
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[maz: Add a commit message, as the author couldn't be bothered...]
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Signed-off-by: Marc Zyngier <maz@kernel.org>
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Link: https://lore.kernel.org/r/20210122204224.509124-2-bert@biot.com
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---
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.../interrupt-controller/realtek,rtl-intc.yaml | 57 ++++++++++++++++++++++
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1 file changed, 57 insertions(+)
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create mode 100644 Documentation/devicetree/bindings/interrupt-controller/realtek,rtl-intc.yaml
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--- /dev/null
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+++ b/Documentation/devicetree/bindings/interrupt-controller/realtek,rtl-intc.yaml
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@@ -0,0 +1,57 @@
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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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+%YAML 1.2
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+---
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+$id: http://devicetree.org/schemas/interrupt-controller/realtek,rtl-intc.yaml#
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+$schema: http://devicetree.org/meta-schemas/core.yaml#
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+
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+title: Realtek RTL SoC interrupt controller devicetree bindings
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+
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+maintainers:
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+ - Birger Koblitz <mail@birger-koblitz.de>
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+ - Bert Vermeulen <bert@biot.com>
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+ - John Crispin <john@phrozen.org>
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+
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+properties:
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+ compatible:
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+ const: realtek,rtl-intc
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+
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+ "#interrupt-cells":
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+ const: 1
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+
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+ reg:
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+ maxItems: 1
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+
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+ interrupts:
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+ maxItems: 1
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+
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+ interrupt-controller: true
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+
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+ "#address-cells":
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+ const: 0
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+
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+ interrupt-map:
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+ description: Describes mapping from SoC interrupts to CPU interrupts
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+
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+required:
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+ - compatible
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+ - reg
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+ - "#interrupt-cells"
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+ - interrupt-controller
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+ - "#address-cells"
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+ - interrupt-map
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+
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+additionalProperties: false
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+
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+examples:
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+ - |
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+ intc: interrupt-controller@3000 {
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+ compatible = "realtek,rtl-intc";
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+ #interrupt-cells = <1>;
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+ interrupt-controller;
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+ reg = <0x3000 0x20>;
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+ #address-cells = <0>;
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+ interrupt-map =
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+ <31 &cpuintc 2>,
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+ <30 &cpuintc 1>,
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+ <29 &cpuintc 5>;
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+ };
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