121 lines
2.8 KiB
YAML
121 lines
2.8 KiB
YAML
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# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/slimbus/qcom,slim-ngd.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Qualcomm SoC SLIMBus Non Generic Device (NGD) Controller
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maintainers:
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- Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
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- Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
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description:
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SLIMBus NGD controller is a light-weight driver responsible for communicating
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with SLIMBus slaves directly over the bus using messaging interface and
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communicating with master component residing on ADSP for bandwidth and
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data-channel management
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properties:
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compatible:
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enum:
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- qcom,slim-ngd-v1.5.0 # for MSM8996
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- qcom,slim-ngd-v2.1.0 # for SDM845
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reg:
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maxItems: 1
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"#address-cells":
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const: 1
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"#size-cells":
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const: 0
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dmas:
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maxItems: 2
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dma-names:
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items:
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- const: rx
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- const: tx
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interrupts:
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maxItems: 1
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iommus:
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maxItems: 1
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patternProperties:
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"^slim@[0-9a-f]+$":
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type: object
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$ref: slimbus.yaml#
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description:
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Each subnode represents an instance of NGD
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properties:
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reg:
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maxItems: 1
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unevaluatedProperties: false
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required:
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- compatible
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- reg
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- "#address-cells"
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- "#size-cells"
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- dmas
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- dma-names
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- interrupts
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/gpio/gpio.h>
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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slim-ngd@171c0000 {
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compatible = "qcom,slim-ngd-v2.1.0";
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reg = <0x171c0000 0x2c000>;
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interrupts = <GIC_SPI 163 IRQ_TYPE_LEVEL_HIGH>;
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dmas = <&slimbam 3>, <&slimbam 4>;
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dma-names = "rx", "tx";
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iommus = <&apps_smmu 0x1806 0x0>;
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#address-cells = <1>;
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#size-cells = <0>;
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slim@1 {
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reg = <1>;
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#address-cells = <2>;
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#size-cells = <0>;
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codec@1,0 {
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compatible = "slim217,250";
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reg = <1 0>;
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slim-ifc-dev = <&wcd9340_ifd>;
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#sound-dai-cells = <1>;
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interrupts-extended = <&tlmm 54 IRQ_TYPE_LEVEL_HIGH>;
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interrupt-controller;
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#interrupt-cells = <1>;
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#clock-cells = <0>;
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clock-frequency = <9600000>;
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clock-output-names = "mclk";
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qcom,micbias1-microvolt = <1800000>;
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qcom,micbias2-microvolt = <1800000>;
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qcom,micbias3-microvolt = <1800000>;
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qcom,micbias4-microvolt = <1800000>;
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#address-cells = <1>;
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#size-cells = <1>;
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reset-gpios = <&tlmm 64 GPIO_ACTIVE_HIGH>;
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/* Rest of the WCD9340 codec */
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};
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};
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};
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