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