Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/dma/qcom,adm.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Qualcomm ADM DMA Controller |
| 8 | |
| 9 | maintainers: |
| 10 | - Christian Marangi <ansuelsmth@gmail.com> |
| 11 | - Bjorn Andersson <bjorn.andersson@linaro.org> |
| 12 | |
| 13 | description: | |
| 14 | QCOM ADM DMA controller provides DMA capabilities for |
| 15 | peripheral buses such as NAND and SPI. |
| 16 | |
| 17 | properties: |
| 18 | compatible: |
| 19 | const: qcom,adm |
| 20 | |
| 21 | reg: |
| 22 | maxItems: 1 |
| 23 | |
| 24 | interrupts: |
| 25 | maxItems: 1 |
| 26 | |
| 27 | "#dma-cells": |
| 28 | const: 1 |
| 29 | |
| 30 | clocks: |
| 31 | items: |
| 32 | - description: phandle to the core clock |
| 33 | - description: phandle to the iface clock |
| 34 | |
| 35 | clock-names: |
| 36 | items: |
| 37 | - const: core |
| 38 | - const: iface |
| 39 | |
| 40 | resets: |
| 41 | items: |
| 42 | - description: phandle to the clk reset |
| 43 | - description: phandle to the pbus reset |
| 44 | - description: phandle to the c0 reset |
| 45 | - description: phandle to the c1 reset |
| 46 | - description: phandle to the c2 reset |
| 47 | |
| 48 | reset-names: |
| 49 | items: |
| 50 | - const: clk |
| 51 | - const: pbus |
| 52 | - const: c0 |
| 53 | - const: c1 |
| 54 | - const: c2 |
| 55 | |
| 56 | qcom,ee: |
| 57 | $ref: /schemas/types.yaml#/definitions/uint32 |
| 58 | description: indicates the security domain identifier used in the secure world. |
| 59 | minimum: 0 |
| 60 | maximum: 255 |
| 61 | |
| 62 | required: |
| 63 | - compatible |
| 64 | - reg |
| 65 | - interrupts |
| 66 | - "#dma-cells" |
| 67 | - clocks |
| 68 | - clock-names |
| 69 | - resets |
| 70 | - reset-names |
| 71 | - qcom,ee |
| 72 | |
| 73 | additionalProperties: false |
| 74 | |
| 75 | examples: |
| 76 | - | |
| 77 | #include <dt-bindings/clock/qcom,gcc-ipq806x.h> |
| 78 | #include <dt-bindings/reset/qcom,gcc-ipq806x.h> |
| 79 | |
| 80 | adm_dma: dma-controller@18300000 { |
| 81 | compatible = "qcom,adm"; |
| 82 | reg = <0x18300000 0x100000>; |
| 83 | interrupts = <0 170 0>; |
| 84 | #dma-cells = <1>; |
| 85 | |
| 86 | clocks = <&gcc ADM0_CLK>, |
| 87 | <&gcc ADM0_PBUS_CLK>; |
| 88 | clock-names = "core", "iface"; |
| 89 | |
| 90 | resets = <&gcc ADM0_RESET>, |
| 91 | <&gcc ADM0_PBUS_RESET>, |
| 92 | <&gcc ADM0_C0_RESET>, |
| 93 | <&gcc ADM0_C1_RESET>, |
| 94 | <&gcc ADM0_C2_RESET>; |
| 95 | reset-names = "clk", "pbus", "c0", "c1", "c2"; |
| 96 | qcom,ee = <0>; |
| 97 | }; |
| 98 | |
| 99 | ... |