| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/slimbus/qcom,slim-ngd.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Qualcomm SoC SLIMBus Non Generic Device (NGD) Controller |
| 8 | |
| 9 | maintainers: |
| 10 | - Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> |
| 11 | - Srinivas Kandagatla <srinivas.kandagatla@linaro.org> |
| 12 | |
| 13 | description: |
| 14 | SLIMBus NGD controller is a light-weight driver responsible for communicating |
| 15 | with SLIMBus slaves directly over the bus using messaging interface and |
| 16 | communicating with master component residing on ADSP for bandwidth and |
| 17 | data-channel management |
| 18 | |
| 19 | properties: |
| 20 | compatible: |
| 21 | enum: |
| 22 | - qcom,slim-ngd-v1.5.0 # for MSM8996 |
| 23 | - qcom,slim-ngd-v2.1.0 # for SDM845 |
| 24 | |
| 25 | reg: |
| 26 | maxItems: 1 |
| 27 | |
| 28 | "#address-cells": |
| 29 | const: 1 |
| 30 | |
| 31 | "#size-cells": |
| 32 | const: 0 |
| 33 | |
| 34 | dmas: |
| 35 | maxItems: 2 |
| 36 | |
| 37 | dma-names: |
| 38 | items: |
| 39 | - const: rx |
| 40 | - const: tx |
| 41 | |
| 42 | interrupts: |
| 43 | maxItems: 1 |
| 44 | |
| 45 | iommus: |
| 46 | maxItems: 1 |
| 47 | |
| 48 | patternProperties: |
| 49 | "^slim@[0-9a-f]+$": |
| 50 | type: object |
| 51 | $ref: slimbus.yaml# |
| 52 | description: |
| 53 | Each subnode represents an instance of NGD |
| 54 | |
| 55 | properties: |
| 56 | reg: |
| 57 | maxItems: 1 |
| 58 | |
| 59 | unevaluatedProperties: false |
| 60 | |
| 61 | required: |
| 62 | - compatible |
| 63 | - reg |
| 64 | - "#address-cells" |
| 65 | - "#size-cells" |
| 66 | - dmas |
| 67 | - dma-names |
| 68 | - interrupts |
| 69 | |
| 70 | additionalProperties: false |
| 71 | |
| 72 | examples: |
| 73 | - | |
| 74 | #include <dt-bindings/gpio/gpio.h> |
| 75 | #include <dt-bindings/interrupt-controller/arm-gic.h> |
| 76 | |
| 77 | slim-ngd@171c0000 { |
| 78 | compatible = "qcom,slim-ngd-v2.1.0"; |
| 79 | reg = <0x171c0000 0x2c000>; |
| 80 | interrupts = <GIC_SPI 163 IRQ_TYPE_LEVEL_HIGH>; |
| 81 | |
| 82 | dmas = <&slimbam 3>, <&slimbam 4>; |
| 83 | dma-names = "rx", "tx"; |
| 84 | iommus = <&apps_smmu 0x1806 0x0>; |
| 85 | #address-cells = <1>; |
| 86 | #size-cells = <0>; |
| 87 | |
| 88 | slim@1 { |
| 89 | reg = <1>; |
| 90 | #address-cells = <2>; |
| 91 | #size-cells = <0>; |
| 92 | |
| 93 | codec@1,0 { |
| 94 | compatible = "slim217,250"; |
| 95 | reg = <1 0>; |
| 96 | slim-ifc-dev = <&wcd9340_ifd>; |
| 97 | |
| 98 | #sound-dai-cells = <1>; |
| 99 | |
| 100 | interrupts-extended = <&tlmm 54 IRQ_TYPE_LEVEL_HIGH>; |
| 101 | interrupt-controller; |
| 102 | #interrupt-cells = <1>; |
| 103 | |
| 104 | #clock-cells = <0>; |
| 105 | clock-frequency = <9600000>; |
| 106 | clock-output-names = "mclk"; |
| 107 | qcom,micbias1-microvolt = <1800000>; |
| 108 | qcom,micbias2-microvolt = <1800000>; |
| 109 | qcom,micbias3-microvolt = <1800000>; |
| 110 | qcom,micbias4-microvolt = <1800000>; |
| 111 | |
| 112 | #address-cells = <1>; |
| 113 | #size-cells = <1>; |
| 114 | |
| 115 | reset-gpios = <&tlmm 64 GPIO_ACTIVE_HIGH>; |
| 116 | |
| 117 | /* Rest of the WCD9340 codec */ |
| 118 | }; |
| 119 | }; |
| 120 | }; |