linux-kernel - [PATCH 1/2] ASoC: dt-bindings: nxp, tfa989x: Add rcv-gpios property for tfa9897

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Date:   Sun, 31 Oct 2021 22:09:55 +0100
From:   Vincent Knecht <vincent.knecht@...loo.org>
To:     stephan@...hold.net, lgirdwood@...il.com, broonie@...nel.org,
        robh+dt@...nel.org, perex@...ex.cz, tiwai@...e.com
Cc:     alsa-devel@...a-project.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        ~postmarketos/upstreaming@...ts.sr.ht,
        Vincent Knecht <vincent.knecht@...loo.org>
Subject: [PATCH 1/2] ASoC: dt-bindings: nxp, tfa989x: Add rcv-gpios property for tfa9897

Add optional rcv-gpios property specific to tfa9897 receiver mode.

Signed-off-by: Vincent Knecht <vincent.knecht@...loo.org>
---
 .../bindings/sound/nxp,tfa989x.yaml           | 41 +++++++++++++++++++
 1 file changed, 41 insertions(+)

diff --git a/Documentation/devicetree/bindings/sound/nxp,tfa989x.yaml b/Documentation/devicetree/bindings/sound/nxp,tfa989x.yaml
index 7667471be1e4..b9b1dba40856 100644
--- a/Documentation/devicetree/bindings/sound/nxp,tfa989x.yaml
+++ b/Documentation/devicetree/bindings/sound/nxp,tfa989x.yaml
@@ -24,11 +24,23 @@ properties:
   '#sound-dai-cells':
     const: 0
 
+  rcv-gpios:
+    description: optional GPIO to be asserted when receiver mode is enabled.
+
   sound-name-prefix: true
 
   vddd-supply:
     description: regulator phandle for the VDDD power supply.
 
+if:
+  not:
+    properties:
+      compatible:
+        const: nxp,tfa9897
+then:
+  properties:
+    rcv-gpios: false
+
 required:
   - compatible
   - reg
@@ -55,3 +67,32 @@ examples:
         #sound-dai-cells = <0>;
       };
     };
+
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+    i2c {
+      #address-cells = <1>;
+      #size-cells = <0>;
+
+      speaker_codec_top: audio-codec@34 {
+        compatible = "nxp,tfa9897";
+        reg = <0x34>;
+        vddd-supply = <&pm8916_l6>;
+        rcv-gpios = <&msmgpio 50 GPIO_ACTIVE_HIGH>;
+        pinctrl-names = "default";
+        pinctrl-0 = <&speaker_top_default>;
+        sound-name-prefix = "Speaker Top";
+        #sound-dai-cells = <0>;
+      };
+
+      speaker_codec_bottom: audio-codec@36 {
+        compatible = "nxp,tfa9897";
+        reg = <0x36>;
+        vddd-supply = <&pm8916_l6>;
+        rcv-gpios = <&msmgpio 111 GPIO_ACTIVE_HIGH>;
+        pinctrl-names = "default";
+        pinctrl-0 = <&speaker_bottom_default>;
+        sound-name-prefix = "Speaker Bottom";
+        #sound-dai-cells = <0>;
+      };
+    };
-- 
2.31.1