linux-kernel - [PATCH v4 2/5] ASoC: dt-bindings: Add dt binding for lpass hdmi

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Date:   Tue, 8 Sep 2020 17:44:39 +0000
From:   Srinivasa Rao Mandadapu <srivasam@...eaurora.org>
To:     agross@...nel.org, bjorn.andersson@...aro.org, lgirdwood@...il.com,
        broonie@...nel.org, robh+dt@...nel.org, plai@...eaurora.org,
        bgoswami@...eaurora.org, perex@...ex.cz, tiwai@...e.com,
        srinivas.kandagatla@...aro.org, rohitkr@...eaurora.org,
        linux-arm-msm@...r.kernel.org, alsa-devel@...a-project.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     V Sujith Kumar Reddy <vsujithk@...eaurora.org>,
        Srinivasa Rao <srivasam@...eaurora.org>
Subject: [PATCH v4 2/5] ASoC: dt-bindings: Add dt binding for lpass hdmi

From: V Sujith Kumar Reddy <vsujithk@...eaurora.org>

Adds bindings for lpass hdmi interface
which can support audio path over dp.

Signed-off-by: Srinivasa Rao <srivasam@...eaurora.org>
Signed-off-by: V Sujith Kumar Reddy <vsujithk@...eaurora.org>
---
 .../devicetree/bindings/sound/qcom,lpass-cpu.yaml  | 51 ++++++++++++++++++++--
 1 file changed, 47 insertions(+), 4 deletions(-)

diff --git a/Documentation/devicetree/bindings/sound/qcom,lpass-cpu.yaml b/Documentation/devicetree/bindings/sound/qcom,lpass-cpu.yaml
index 09c9bd2..7c2ac0c 100644
--- a/Documentation/devicetree/bindings/sound/qcom,lpass-cpu.yaml
+++ b/Documentation/devicetree/bindings/sound/qcom,lpass-cpu.yaml
@@ -22,6 +22,7 @@ properties:
       - qcom,lpass-cpu
       - qcom,apq8016-lpass-cpu
       - qcom,sc7180-lpass-cpu
+      - qcom,sc7180-lpass-hdmi
 
   reg:
     maxItems: 1
@@ -60,10 +61,12 @@ properties:
     const: 0
 
 patternProperties:
-  "(^mi2s-[0-9a-f]$|mi2s)":
+  "^dai@[0-9a-f]$":
     type: object
-    description: Required properties for each DAI
-
+    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
@@ -145,6 +148,22 @@ allOf:
         - iommus
         - power-domains
 
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: qcom,sc7180-lpass-hdmi
+    then:
+      properties:
+        clock-names:
+          items:
+            - const: pcnoc-sway-clk
+            - const: audio-core
+            - const: pcnoc-mport-clk
+      required:
+        - iommus
+        - power-domains
+
 examples:
   - |
     #include <dt-bindings/sound/sc7180-lpass.h>
@@ -178,12 +197,36 @@ examples:
             #address-cells = <1>;
             #size-cells = <0>;
             /* Optional to set different MI2S SD lines */
-            mi2s-primary@0 {
+            dai@...s-primary {
                 reg = <MI2S_PRIMARY>;
                 qcom,playback-sd-lines = <1>;
                 qcom,capture-sd-lines = <0>;
             };
         };
+
+        lpassh@...87000 {
+            compatible = "qcom,sc7180-lpass-hdmi";
+
+            reg = <0 0x62d87000 0 0x68000>;
+
+            iommus = <&apps_smmu 0x1032 0>;
+
+            power-domains = <&lpass_hm 0>;
+
+            clocks = <&gcc 131>,
+                 <&lpasscc 6>,
+                 <&lpasscc 10>;
+
+            clock-names = "pcnoc-sway-clk", "audio-core",
+                          "pcnoc-mport-clk";
+
+            #sound-dai-cells = <1>;
+
+            #address-cells = <1>;
+            #size-cells = <0>;
+
+            interrupts = <0 268 1>;
+        };
     };
 
 ...
-- 
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is a member of Code Aurora Forum, a Linux Foundation Collaborative Project.