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-rw-r--r--Documentation/devicetree/bindings/slimbus/qcom,slim-ngd.yaml120
-rw-r--r--Documentation/devicetree/bindings/slimbus/qcom,slim.yaml86
-rw-r--r--Documentation/devicetree/bindings/slimbus/slimbus.yaml95
3 files changed, 301 insertions, 0 deletions
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 0000000000..abf61c1524
--- /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@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
+ $ref: slimbus.yaml#
+ description:
+ Each subnode represents an instance of NGD
+
+ properties:
+ reg:
+ maxItems: 1
+
+ unevaluatedProperties: false
+
+required:
+ - compatible
+ - reg
+ - "#address-cells"
+ - "#size-cells"
+ - dmas
+ - dma-names
+ - interrupts
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+ slim-ngd@171c0000 {
+ compatible = "qcom,slim-ngd-v2.1.0";
+ reg = <0x171c0000 0x2c000>;
+ interrupts = <GIC_SPI 163 IRQ_TYPE_LEVEL_HIGH>;
+
+ dmas = <&slimbam 3>, <&slimbam 4>;
+ dma-names = "rx", "tx";
+ iommus = <&apps_smmu 0x1806 0x0>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ slim@1 {
+ reg = <1>;
+ #address-cells = <2>;
+ #size-cells = <0>;
+
+ codec@1,0 {
+ compatible = "slim217,250";
+ reg = <1 0>;
+ slim-ifc-dev = <&wcd9340_ifd>;
+
+ #sound-dai-cells = <1>;
+
+ interrupts-extended = <&tlmm 54 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-controller;
+ #interrupt-cells = <1>;
+
+ #clock-cells = <0>;
+ clock-frequency = <9600000>;
+ clock-output-names = "mclk";
+ qcom,micbias1-microvolt = <1800000>;
+ qcom,micbias2-microvolt = <1800000>;
+ qcom,micbias3-microvolt = <1800000>;
+ qcom,micbias4-microvolt = <1800000>;
+
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ reset-gpios = <&tlmm 64 GPIO_ACTIVE_HIGH>;
+
+ /* Rest of the WCD9340 codec */
+ };
+ };
+ };
diff --git a/Documentation/devicetree/bindings/slimbus/qcom,slim.yaml b/Documentation/devicetree/bindings/slimbus/qcom,slim.yaml
new file mode 100644
index 0000000000..883bda58ca
--- /dev/null
+++ b/Documentation/devicetree/bindings/slimbus/qcom,slim.yaml
@@ -0,0 +1,86 @@
+# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/slimbus/qcom,slim.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm SoC SLIMbus controller
+
+maintainers:
+ - Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
+ - Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
+
+description:
+ SLIMbus controller used when applications processor controls SLIMbus master
+ component.
+
+allOf:
+ - $ref: slimbus.yaml#
+
+properties:
+ compatible:
+ items:
+ - enum:
+ - qcom,apq8064-slim
+ - const: qcom,slim
+
+ reg:
+ items:
+ - description: Physical address of controller register blocks
+ - description: SLEW RATE register
+
+ reg-names:
+ items:
+ - const: ctrl
+ - const: slew
+
+ clocks:
+ items:
+ - description: Interface clock for this controller
+ - description: Interrupt for controller core's BAM
+
+ clock-names:
+ items:
+ - const: iface
+ - const: core
+
+ interrupts:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - reg-names
+ - clocks
+ - clock-names
+ - interrupts
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/qcom,gcc-msm8960.h>
+ #include <dt-bindings/clock/qcom,lcc-msm8960.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+ soc {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+
+ slim@28080000 {
+ compatible = "qcom,apq8064-slim", "qcom,slim";
+ reg = <0x28080000 0x2000>, <0x80207c 4>;
+ reg-names = "ctrl", "slew";
+ interrupts = <GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&lcc SLIMBUS_SRC>, <&lcc AUDIO_SLIMBUS_CLK>;
+ clock-names = "iface", "core";
+ #address-cells = <2>;
+ #size-cells = <0>;
+
+ audio-codec@1,0 {
+ compatible = "slim217,60";
+ reg = <1 0>;
+ };
+ };
+ };
diff --git a/Documentation/devicetree/bindings/slimbus/slimbus.yaml b/Documentation/devicetree/bindings/slimbus/slimbus.yaml
new file mode 100644
index 0000000000..3b8cae9d10
--- /dev/null
+++ b/Documentation/devicetree/bindings/slimbus/slimbus.yaml
@@ -0,0 +1,95 @@
+# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/slimbus/slimbus.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: SLIM (Serial Low Power Interchip Media) bus
+
+maintainers:
+ - Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
+
+description:
+ SLIMbus is a 2-wire bus, and is used to communicate with peripheral
+ components like audio-codec.
+
+properties:
+ $nodename:
+ pattern: "^slim(@.*|-([0-9]|[1-9][0-9]+))?$"
+
+ "#address-cells":
+ const: 2
+
+ "#size-cells":
+ const: 0
+
+patternProperties:
+ "^.*@[0-9a-f]+,[0-9a-f]+$":
+ type: object
+ description: |
+ Every SLIMbus controller node can contain zero or more child nodes
+ representing slave devices on the bus. Every SLIMbus slave device is
+ uniquely determined by the enumeration address containing 4 fields::
+ Manufacturer ID, Product code, Device index, and Instance value for the
+ device.
+
+ If child node is not present and it is instantiated after device
+ discovery (slave device reporting itself present).
+
+ In some cases it may be necessary to describe non-probeable device
+ details such as non-standard ways of powering up a device. In such cases,
+ child nodes for those devices will be present as slaves of the SLIMbus
+ controller.
+
+ properties:
+ compatible:
+ pattern: "^slim[0-9a-f]+,[0-9a-f]+$"
+
+ reg:
+ maxItems: 1
+ description: |
+ Pair of (device index, instande ID), where::
+ - Device index, which uniquely identifies multiple devices within a
+ single component.
+ - Instance ID, can be used for the cases where multiple devices of
+ the same type or class are attached to the bus.
+
+ required:
+ - compatible
+ - reg
+
+ additionalProperties: true
+
+required:
+ - "#address-cells"
+ - "#size-cells"
+
+additionalProperties: true
+
+examples:
+ - |
+ #include <dt-bindings/clock/qcom,gcc-msm8960.h>
+ #include <dt-bindings/clock/qcom,lcc-msm8960.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+ soc {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+
+ slim@28080000 {
+ compatible = "qcom,apq8064-slim", "qcom,slim";
+ reg = <0x28080000 0x2000>, <0x80207c 4>;
+ reg-names = "ctrl", "slew";
+ interrupts = <GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&lcc SLIMBUS_SRC>, <&lcc AUDIO_SLIMBUS_CLK>;
+ clock-names = "iface", "core";
+ #address-cells = <2>;
+ #size-cells = <0>;
+
+ audio-codec@1,0 {
+ compatible = "slim217,60";
+ reg = <1 0>;
+ };
+ };
+ };