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Date: Fri, 23 Sep 2022 18:14:53 +0200
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Andy Gross <agross@...nel.org>,
Bjorn Andersson <andersson@...nel.org>,
Konrad Dybcio <konrad.dybcio@...ainline.org>,
alsa-devel@...a-project.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH 11/11] 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@...aro.org>
---
.../bindings/slimbus/qcom,slim-ngd.yaml | 120 ++++++++++++++++++
.../bindings/slimbus/slim-ngd-qcom-ctrl.txt | 82 ------------
2 files changed, 120 insertions(+), 82 deletions(-)
create mode 100644 Documentation/devicetree/bindings/slimbus/qcom,slim-ngd.yaml
delete mode 100644 Documentation/devicetree/bindings/slimbus/slim-ngd-qcom-ctrl.txt
diff --git a/Documentation/devicetree/bindings/slimbus/qcom,slim-ngd.yaml b/Documentation/devicetree/bindings/slimbus/qcom,slim-ngd.yaml
new file mode 100644
index 000000000000..abf61c15246e
--- /dev/null
+++ b/Documentation/devicetree/bindings/slimbus/qcom,slim-ngd.yaml
@@ -0,0 +1,120 @@
+# 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@...aro.org>
+ - Srinivas Kandagatla <srinivas.kandagatla@...aro.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@...c0000 {
+ 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 */
+ };
+ };
+ };
diff --git a/Documentation/devicetree/bindings/slimbus/slim-ngd-qcom-ctrl.txt b/Documentation/devicetree/bindings/slimbus/slim-ngd-qcom-ctrl.txt
deleted file mode 100644
index 7c3d9eb6af5d..000000000000
--- a/Documentation/devicetree/bindings/slimbus/slim-ngd-qcom-ctrl.txt
+++ /dev/null
@@ -1,82 +0,0 @@
-Qualcomm SLIMBus Non Generic Device (NGD) Controller binding
-
-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
-
-- compatible:
- Usage: required
- Value type: <stringlist>
- Definition: must be "qcom,slim-ngd-v<MAJOR>.<MINOR>.<STEP>"
- must be one of the following.
- "qcom,slim-ngd-v1.5.0" for MSM8996
- "qcom,slim-ngd-v2.1.0" for SDM845
-
-- reg:
- Usage: required
- Value type: <prop-encoded-array>
- Definition: must specify the base address and size of the controller
- register space.
-- dmas
- Usage: required
- Value type: <array of phandles>
- Definition: List of rx and tx dma channels
-
-- dma-names
- Usage: required
- Value type: <stringlist>
- Definition: must be "rx" and "tx".
-
-- interrupts:
- Usage: required
- Value type: <prop-encoded-array>
- Definition: must list controller IRQ.
-
-#address-cells
- Usage: required
- Value type: <u32>
- Definition: Should be 1, reflecting the instance id of ngd.
-
-#size-cells
- Usage: required
- Value type: <u32>
- Definition: Should be 0
-
-= NGD Devices
-Each subnode represents an instance of NGD, must contain the following
-properties:
-
-- reg:
- Usage: required
- Value type: <u32>
- Definition: Should be instance id of ngd.
-
-#address-cells
- Usage: required
- Refer to slimbus/bus.txt for details of the common SLIMBus bindings.
-
-#size-cells
- Usage: required
- Refer to slimbus/bus.txt for details of the common SLIMBus bindings.
-
-= EXAMPLE
-
-slim@...0000 {
- compatible = "qcom,slim-ngd-v1.5.0";
- reg = <0x91c0000 0x2c000>;
- interrupts = <0 163 0>;
- dmas = <&slimbam 3>, <&slimbam 4>;
- dma-names = "rx", "tx";
- #address-cells = <1>;
- #size-cells = <0>;
- ngd@1 {
- reg = <1>;
- #address-cells = <1>;
- #size-cells = <1>;
- codec@1 {
- compatible = "slim217,1a0";
- reg = <1 0>;
- };
- };
-};
--
2.34.1
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