Krzysztof Kozlowski 5f115bb92a dt-bindings: slimbus: qcom,slim-ngd: convert to DT schema
Convert the Qualcomm SoC SLIMBus Non Generic Device (NGD) controller
bindings to DT Schema.

During conversion add iommus already present in DTS and extend the
example based on SDM845.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20221118065246.6835-13-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-11-23 19:45:33 +01:00

121 lines
2.8 KiB
YAML

# 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 */
};
};
};