summaryrefslogtreecommitdiffstats
path: root/Documentation/devicetree/bindings/sound/qcom,lpass-cpu.yaml
diff options
context:
space:
mode:
Diffstat (limited to 'Documentation/devicetree/bindings/sound/qcom,lpass-cpu.yaml')
-rw-r--r--Documentation/devicetree/bindings/sound/qcom,lpass-cpu.yaml223
1 files changed, 223 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/qcom,lpass-cpu.yaml b/Documentation/devicetree/bindings/sound/qcom,lpass-cpu.yaml
new file mode 100644
index 000000000..1e23c0e20
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/qcom,lpass-cpu.yaml
@@ -0,0 +1,223 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/qcom,lpass-cpu.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Technologies Inc. LPASS CPU dai driver bindings
+
+maintainers:
+ - Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
+ - Rohit kumar <rohitkr@codeaurora.org>
+
+description: |
+ Qualcomm Technologies Inc. SOC Low-Power Audio SubSystem (LPASS) that consist
+ of MI2S interface for audio data transfer on external codecs. LPASS cpu driver
+ is a module to configure Low-Power Audio Interface(LPAIF) core registers
+ across different IP versions.
+
+properties:
+ compatible:
+ enum:
+ - qcom,lpass-cpu
+ - qcom,apq8016-lpass-cpu
+ - qcom,sc7180-lpass-cpu
+
+ reg:
+ maxItems: 2
+ description: LPAIF core registers
+
+ reg-names:
+ maxItems: 2
+
+ clocks:
+ minItems: 3
+ maxItems: 6
+
+ clock-names:
+ minItems: 3
+ maxItems: 6
+
+ interrupts:
+ maxItems: 2
+ description: LPAIF DMA buffer interrupt
+
+ interrupt-names:
+ maxItems: 2
+
+ qcom,adsp:
+ $ref: /schemas/types.yaml#/definitions/phandle
+ description: Phandle for the audio DSP node
+
+ iommus:
+ maxItems: 2
+ description: Phandle to apps_smmu node with sid mask
+
+ power-domains:
+ maxItems: 1
+
+ '#sound-dai-cells':
+ const: 1
+
+ '#address-cells':
+ const: 1
+
+ '#size-cells':
+ const: 0
+
+patternProperties:
+ "^dai-link@[0-9a-f]$":
+ type: object
+ description: |
+ LPASS CPU dai node for each I2S device. Bindings of each node
+ depends on the specific driver providing the functionality and
+ properties.
+ properties:
+ reg:
+ maxItems: 1
+ description: Must be one of the DAI ID
+
+ qcom,playback-sd-lines:
+ $ref: /schemas/types.yaml#/definitions/uint32-array
+ description: list of MI2S data lines for playback
+
+ qcom,capture-sd-lines:
+ $ref: /schemas/types.yaml#/definitions/uint32-array
+ description: list of MI2S data lines for capture
+
+ required:
+ - reg
+
+ additionalProperties: false
+
+required:
+ - compatible
+ - reg
+ - reg-names
+ - clocks
+ - clock-names
+ - interrupts
+ - interrupt-names
+ - '#sound-dai-cells'
+
+additionalProperties: false
+
+allOf:
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: qcom,lpass-cpu
+
+ then:
+ properties:
+ clock-names:
+ items:
+ - const: ahbix-clk
+ - const: mi2s-osr-clk
+ - const: mi2s-bit-clk
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: qcom,apq8016-lpass-cpu
+
+ then:
+ properties:
+ clock-names:
+ items:
+ - const: ahbix-clk
+ - const: mi2s-bit-clk0
+ - const: mi2s-bit-clk1
+ - const: mi2s-bit-clk2
+ - const: mi2s-bit-clk3
+ - const: pcnoc-mport-clk
+ - const: pcnoc-sway-clk
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: qcom,sc7180-lpass-cpu
+
+ then:
+ properties:
+ clock-names:
+ oneOf:
+ - items: #for I2S
+ - const: pcnoc-sway-clk
+ - const: audio-core
+ - const: mclk0
+ - const: pcnoc-mport-clk
+ - const: mi2s-bit-clk0
+ - const: mi2s-bit-clk1
+ - items: #for HDMI
+ - const: pcnoc-sway-clk
+ - const: audio-core
+ - const: pcnoc-mport-clk
+ reg-names:
+ anyOf:
+ - items: #for I2S
+ - const: lpass-lpaif
+ - items: #for I2S and HDMI
+ - const: lpass-hdmiif
+ - const: lpass-lpaif
+ interrupt-names:
+ anyOf:
+ - items: #for I2S
+ - const: lpass-irq-lpaif
+ - items: #for I2S and HDMI
+ - const: lpass-irq-lpaif
+ - const: lpass-irq-hdmi
+ required:
+ - iommus
+ - power-domains
+
+examples:
+ - |
+ #include <dt-bindings/sound/sc7180-lpass.h>
+
+ soc {
+ #address-cells = <2>;
+ #size-cells = <2>;
+ lpass@62d80000 {
+ compatible = "qcom,sc7180-lpass-cpu";
+
+ reg = <0 0x62d87000 0 0x68000>,
+ <0 0x62f00000 0 0x29000>;
+ reg-names = "lpass-hdmiif",
+ "lpass-lpaif";
+ iommus = <&apps_smmu 0x1020 0>,
+ <&apps_smmu 0x1032 0>;
+ power-domains = <&lpass_hm 0>;
+
+ clocks = <&gcc 131>,
+ <&lpasscorecc 6>,
+ <&lpasscorecc 7>,
+ <&lpasscorecc 10>,
+ <&lpasscorecc 8>,
+ <&lpasscorecc 9>;
+
+ clock-names = "pcnoc-sway-clk", "audio-core",
+ "mclk0", "pcnoc-mport-clk",
+ "mi2s-bit-clk0", "mi2s-bit-clk1";
+
+ interrupts = <0 160 1>,
+ <0 268 1>;
+ interrupt-names = "lpass-irq-lpaif",
+ "lpass-irq-hdmi";
+ #sound-dai-cells = <1>;
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+ /* Optional to set different MI2S SD lines */
+ dai-link@0 {
+ reg = <MI2S_PRIMARY>;
+ qcom,playback-sd-lines = <1>;
+ qcom,capture-sd-lines = <0>;
+ };
+ };
+ };
+
+...