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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 */
};
};
};
|
