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,sdx75-gpi-dma
31               - qcom,sm6115-gpi-dma
32               - qcom,sm6375-gpi-dma
33               - qcom,sm8350-gpi-dma
34               - qcom,sm8450-gpi-dma
35               - qcom,sm8550-gpi-dma
36               - qcom,sm8650-gpi-dma
37               - qcom,x1e80100-gpi-dma
38           - const: qcom,sm6350-gpi-dma
39       - items:
40           - enum:
41               - qcom,sdm670-gpi-dma
42               - qcom,sm6125-gpi-dma
43               - qcom,sm8150-gpi-dma
44               - qcom,sm8250-gpi-dma
45           - const: qcom,sdm845-gpi-dma
56   "#dma-cells":
59       DMA clients must use the format described in dma.txt, giving a phandle
60       to the DMA controller plus the following 3 integer cells:
61       - channel: if set to 0xffffffff, any available channel will be allocated
62         for the client. Otherwise, the exact channel specified will be used.
63       - seid: serial id of the client as defined in the SoC documentation.
64       - client: type of the client as defined in dt-bindings/dma/qcom-gpi.h
69   dma-channels:
72   dma-channel-mask:
75   dma-coherent: true
78   - compatible
79   - reg
80   - interrupts
81   - "#dma-cells"
82   - iommus
83   - dma-channels
84   - dma-channel-mask
89   - |
90     #include <dt-bindings/interrupt-controller/arm-gic.h>
91     #include <dt-bindings/dma/qcom-gpi.h>
92     gpi_dma0: dma-controller@800000 {
93         compatible = "qcom,sdm845-gpi-dma";
94         #dma-cells = <3>;
97         dma-channels = <13>;
98         dma-channel-mask = <0xfa>;