linux-kernel - [PATCH 04/11] ASoC: dt-bindings: rockchip: Document audio graph port

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Date:   Wed, 15 Mar 2023 13:47:59 +0200
From:   Cristian Ciocaltea <cristian.ciocaltea@...labora.com>
To:     Sudeep Holla <sudeep.holla@....com>,
        Cristian Marussi <cristian.marussi@....com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Nicolas Frattaroli <frattaroli.nicolas@...il.com>,
        Heiko Stuebner <heiko@...ech.de>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Daniel Drake <drake@...lessm.com>,
        Katsuhiro Suzuki <katsuhiro@...suster.net>
Cc:     linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-serial@...r.kernel.org,
        alsa-devel@...a-project.org, linux-rockchip@...ts.infradead.org,
        linux-riscv@...ts.infradead.org, kernel@...labora.com
Subject: [PATCH 04/11] ASoC: dt-bindings: rockchip: Document audio graph port

The Rockchip I2S controller is currently used in conjunction with
audio-graph-card to provide an endpoint for binding with the other side
of the audio link.

This is achieved via the 'port' property, which is not allowed:

  rk3399-rockpro64.dtb: i2s@...90000: Unevaluated properties are not allowed ('port' was unexpected)

Fix the issue by documenting the missing property.

Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@...labora.com>
---
 Documentation/devicetree/bindings/sound/rockchip-i2s.yaml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/sound/rockchip-i2s.yaml b/Documentation/devicetree/bindings/sound/rockchip-i2s.yaml
index 1cb4da300607..c32b4750651c 100644
--- a/Documentation/devicetree/bindings/sound/rockchip-i2s.yaml
+++ b/Documentation/devicetree/bindings/sound/rockchip-i2s.yaml
@@ -82,6 +82,10 @@ properties:
   resets:
     maxItems: 2
 
+  port:
+    $ref: audio-graph-port.yaml#
+    unevaluatedProperties: false
+
   rockchip,capture-channels:
     $ref: /schemas/types.yaml#/definitions/uint32
     default: 2
-- 
2.39.1