dt-bindings: clock: Add LPASS AUDIOCC and reset controller for SC8280XP

The LPASS (Low Power Audio Subsystem) Audio clock controller provides reset
support when it is under the control of Q6DSP.

Add support for those resets and adds IDs for clients to request the reset.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Reviewed-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230608125315.11454-3-srinivas.kandagatla@linaro.org

diff --git a/Documentation/devicetree/bindings/clock/qcom,sc8280xp-lpasscc.yaml b/Documentation/devicetree/bindings/clock/qcom,sc8280xp-lpasscc.yaml
index 047cae91f44373a3dfe5377942b276dab9c1d3d3..3326dcd6766c3407aeb7d3028bc95e5392653066 100644 (file)
--- a/Documentation/devicetree/bindings/clock/qcom,sc8280xp-lpasscc.yaml
+++ b/Documentation/devicetree/bindings/clock/qcom,sc8280xp-lpasscc.yaml
@@ -19,6 +19,7 @@ description: |
 properties:
   compatible:
     enum:
+      - qcom,sc8280xp-lpassaudiocc
       - qcom,sc8280xp-lpasscc
 
   reg:
@@ -39,6 +40,15 @@ required:
 additionalProperties: false
 
 examples:
+  - |
+    #include <dt-bindings/clock/qcom,sc8280xp-lpasscc.h>
+    lpass_audiocc: clock-controller@32a9000 {
+        compatible = "qcom,sc8280xp-lpassaudiocc";
+        reg = <0x032a9000 0x1000>;
+        #clock-cells = <1>;
+        #reset-cells = <1>;
+    };
+
   - |
     #include <dt-bindings/clock/qcom,sc8280xp-lpasscc.h>
     lpasscc: clock-controller@33e0000 {

diff --git a/include/dt-bindings/clock/qcom,sc8280xp-lpasscc.h b/include/dt-bindings/clock/qcom,sc8280xp-lpasscc.h
index df800ea2741c8e5992920f0598af2ad6e3791bd2..d190d57fc81aa130913e927b0832dcb826c81ee2 100644 (file)
--- a/include/dt-bindings/clock/qcom,sc8280xp-lpasscc.h
+++ b/include/dt-bindings/clock/qcom,sc8280xp-lpasscc.h
@@ -6,6 +6,11 @@
 #ifndef _DT_BINDINGS_CLK_QCOM_LPASSCC_SC8280XP_H
 #define _DT_BINDINGS_CLK_QCOM_LPASSCC_SC8280XP_H
 
+/* LPASS AUDIO CC CSR */
+#define LPASS_AUDIO_SWR_RX_CGCR                                0
+#define LPASS_AUDIO_SWR_WSA_CGCR                       1
+#define LPASS_AUDIO_SWR_WSA2_CGCR                      2
+
 /* LPASS TCSR */
 #define LPASS_AUDIO_SWR_TX_CGCR                                0