bindings/dma/qcom%2Cgpi.yaml

1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/dma/qcom,gpi.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Qualcomm Technologies Inc GPI DMA controller
10   - Vinod Koul <vkoul@kernel.org>
13   QCOM GPI DMA controller provides DMA capabilities for
17   - $ref: dma-controller.yaml#
22       - enum:
23           - qcom,sdm845-gpi-dma
24           - qcom,sm6350-gpi-dma
25       - items:
26           - enum:
27               - qcom,qcm2290-gpi-dma
28               - qcom,qdu1000-gpi-dma
29               - qcom,sc7280-gpi-dma
30               - qcom,sm6115-gpi-dma
31               - qcom,sm6375-gpi-dma
32               - qcom,sm8350-gpi-dma
33               - qcom,sm8450-gpi-dma
34               - qcom,sm8550-gpi-dma
35           - const: qcom,sm6350-gpi-dma
36       - items:
37           - enum:
38               - qcom,sdm670-gpi-dma
39               - qcom,sm6125-gpi-dma
40               - qcom,sm8150-gpi-dma
41               - qcom,sm8250-gpi-dma
42           - const: qcom,sdm845-gpi-dma
53   "#dma-cells":
56       DMA clients must use the format described in dma.txt, giving a phandle
57       to the DMA controller plus the following 3 integer cells:
58       - channel: if set to 0xffffffff, any available channel will be allocated
60       - seid: serial id of the client as defined in the SoC documentation.
61       - client: type of the client as defined in dt-bindings/dma/qcom-gpi.h
66   dma-channels:
69   dma-channel-mask:
73   - compatible
74   - reg
75   - interrupts
76   - "#dma-cells"
77   - iommus
78   - dma-channels
79   - dma-channel-mask
84   - |
85     #include <dt-bindings/interrupt-controller/arm-gic.h>
86     #include <dt-bindings/dma/qcom-gpi.h>
87     gpi_dma0: dma-controller@800000 {
88         compatible = "qcom,sdm845-gpi-dma";
89         #dma-cells = <3>;
92         dma-channels = <13>;
93         dma-channel-mask = <0xfa>;