1 # SPDX-License-Identifier: (GPL-2.0-only OR BS 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2 2 %YAML 1.2
3 --- 3 ---
4 $id: http://devicetree.org/schemas/dma/qcom,gp 4 $id: http://devicetree.org/schemas/dma/qcom,gpi.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: Qualcomm Technologies Inc GPI DMA contr 7 title: Qualcomm Technologies Inc GPI DMA controller
8 8
9 maintainers: 9 maintainers:
10 - Vinod Koul <vkoul@kernel.org> 10 - Vinod Koul <vkoul@kernel.org>
11 11
12 description: | 12 description: |
13 QCOM GPI DMA controller provides DMA capabil 13 QCOM GPI DMA controller provides DMA capabilities for
14 peripheral buses such as I2C, UART, and SPI. 14 peripheral buses such as I2C, UART, and SPI.
15 15
16 allOf: 16 allOf:
17 - $ref: dma-controller.yaml# !! 17 - $ref: "dma-controller.yaml#"
18 18
19 properties: 19 properties:
20 compatible: 20 compatible:
21 oneOf: !! 21 enum:
22 - enum: !! 22 - qcom,sdm845-gpi-dma
23 - qcom,sdm845-gpi-dma !! 23 - qcom,sm8150-gpi-dma
24 - qcom,sm6350-gpi-dma !! 24 - qcom,sm8250-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 <<
46 25
47 reg: 26 reg:
48 maxItems: 1 27 maxItems: 1
49 28
50 interrupts: 29 interrupts:
51 description: 30 description:
52 Interrupt lines for each GPI instance 31 Interrupt lines for each GPI instance
53 minItems: 1 <<
54 maxItems: 13 32 maxItems: 13
55 33
56 "#dma-cells": 34 "#dma-cells":
57 const: 3 35 const: 3
58 description: > 36 description: >
59 DMA clients must use the format describe 37 DMA clients must use the format described in dma.txt, giving a phandle
60 to the DMA controller plus the following 38 to the DMA controller plus the following 3 integer cells:
61 - channel: if set to 0xffffffff, any ava 39 - channel: if set to 0xffffffff, any available channel will be allocated
62 for the client. Otherwise, the exact c 40 for the client. Otherwise, the exact channel specified will be used.
63 - seid: serial id of the client as defin 41 - seid: serial id of the client as defined in the SoC documentation.
64 - client: type of the client as defined 42 - client: type of the client as defined in dt-bindings/dma/qcom-gpi.h
65 43
66 iommus: 44 iommus:
67 maxItems: 1 45 maxItems: 1
68 46
69 dma-channels: 47 dma-channels:
70 maximum: 31 48 maximum: 31
71 49
72 dma-channel-mask: 50 dma-channel-mask:
73 maxItems: 1 51 maxItems: 1
74 <<
75 dma-coherent: true <<
76 52
77 required: 53 required:
78 - compatible 54 - compatible
79 - reg 55 - reg
80 - interrupts 56 - interrupts
81 - "#dma-cells" 57 - "#dma-cells"
82 - iommus 58 - iommus
83 - dma-channels 59 - dma-channels
84 - dma-channel-mask 60 - dma-channel-mask
85 61
86 additionalProperties: false 62 additionalProperties: false
87 63
88 examples: 64 examples:
89 - | 65 - |
90 #include <dt-bindings/interrupt-controller 66 #include <dt-bindings/interrupt-controller/arm-gic.h>
91 #include <dt-bindings/dma/qcom-gpi.h> 67 #include <dt-bindings/dma/qcom-gpi.h>
92 gpi_dma0: dma-controller@800000 { 68 gpi_dma0: dma-controller@800000 {
93 compatible = "qcom,sdm845-gpi-dma"; 69 compatible = "qcom,sdm845-gpi-dma";
94 #dma-cells = <3>; 70 #dma-cells = <3>;
95 reg = <0x00800000 0x60000>; 71 reg = <0x00800000 0x60000>;
96 iommus = <&apps_smmu 0x0016 0x0>; 72 iommus = <&apps_smmu 0x0016 0x0>;
97 dma-channels = <13>; 73 dma-channels = <13>;
98 dma-channel-mask = <0xfa>; 74 dma-channel-mask = <0xfa>;
99 interrupts = <GIC_SPI 244 IRQ_TYPE_LEV 75 interrupts = <GIC_SPI 244 IRQ_TYPE_LEVEL_HIGH>,
100 <GIC_SPI 245 IRQ_TYPE_LEV 76 <GIC_SPI 245 IRQ_TYPE_LEVEL_HIGH>,
101 <GIC_SPI 246 IRQ_TYPE_LEV 77 <GIC_SPI 246 IRQ_TYPE_LEVEL_HIGH>,
102 <GIC_SPI 247 IRQ_TYPE_LEV 78 <GIC_SPI 247 IRQ_TYPE_LEVEL_HIGH>,
103 <GIC_SPI 248 IRQ_TYPE_LEV 79 <GIC_SPI 248 IRQ_TYPE_LEVEL_HIGH>,
104 <GIC_SPI 249 IRQ_TYPE_LEV 80 <GIC_SPI 249 IRQ_TYPE_LEVEL_HIGH>,
105 <GIC_SPI 250 IRQ_TYPE_LEV 81 <GIC_SPI 250 IRQ_TYPE_LEVEL_HIGH>,
106 <GIC_SPI 251 IRQ_TYPE_LEV 82 <GIC_SPI 251 IRQ_TYPE_LEVEL_HIGH>,
107 <GIC_SPI 252 IRQ_TYPE_LEV 83 <GIC_SPI 252 IRQ_TYPE_LEVEL_HIGH>,
108 <GIC_SPI 253 IRQ_TYPE_LEV 84 <GIC_SPI 253 IRQ_TYPE_LEVEL_HIGH>,
109 <GIC_SPI 254 IRQ_TYPE_LEV 85 <GIC_SPI 254 IRQ_TYPE_LEVEL_HIGH>,
110 <GIC_SPI 255 IRQ_TYPE_LEV 86 <GIC_SPI 255 IRQ_TYPE_LEVEL_HIGH>,
111 <GIC_SPI 256 IRQ_TYPE_LEV 87 <GIC_SPI 256 IRQ_TYPE_LEVEL_HIGH>;
112 }; 88 };
113 89
114 ... 90 ...
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