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authorJani Nikula <jani.nikula@intel.com>2024-09-30 11:49:10 +0300
committerJani Nikula <jani.nikula@intel.com>2024-09-30 11:49:10 +0300
commite0568571258d096f0277c74185bcbfc9cf21bccb (patch)
treea380953643dbb86bffaa862d11e58eba22697988 /Documentation/devicetree/bindings/dma/loongson,ls1b-apbdma.yaml
parent9d5a05f86d2f4f81abcac6abc856c0d511a8607b (diff)
parent9852d85ec9d492ebef56dc5f229416c925758edc (diff)
Merge drm/drm-next into drm-intel-next
Sync to v6.12-rc1. Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/dma/loongson,ls1b-apbdma.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Loongson-1 APB DMA Controller
+
+maintainers:
+ - Keguang Zhang <keguang.zhang@gmail.com>
+
+description:
+ Loongson-1 APB DMA controller provides 3 independent channels for
+ peripherals such as NAND, audio playback and capture.
+
+properties:
+ compatible:
+ oneOf:
+ - const: loongson,ls1b-apbdma
+ - items:
+ - enum:
+ - loongson,ls1a-apbdma
+ - loongson,ls1c-apbdma
+ - const: loongson,ls1b-apbdma
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ items:
+ - description: NAND interrupt
+ - description: Audio playback interrupt
+ - description: Audio capture interrupt
+
+ interrupt-names:
+ items:
+ - const: ch0
+ - const: ch1
+ - const: ch2
+
+ '#dma-cells':
+ const: 1
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - interrupt-names
+ - '#dma-cells'
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+ dma-controller@1fd01160 {
+ compatible = "loongson,ls1b-apbdma";
+ reg = <0x1fd01160 0x4>;
+ interrupt-parent = <&intc0>;
+ interrupts = <13 IRQ_TYPE_EDGE_RISING>,
+ <14 IRQ_TYPE_EDGE_RISING>,
+ <15 IRQ_TYPE_EDGE_RISING>;
+ interrupt-names = "ch0", "ch1", "ch2";
+ #dma-cells = <1>;
+ };