linux-kernel - [PATCH 6/8] dt-bindings: mediatek: mt8195: add audio afe document

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Message-ID: <20210617054740.8081-7-trevor.wu@mediatek.com>
Date:   Thu, 17 Jun 2021 13:47:37 +0800
From:   Trevor Wu <trevor.wu@...iatek.com>
To:     <broonie@...nel.org>, <tiwai@...e.com>, <robh+dt@...nel.org>,
        <matthias.bgg@...il.com>
CC:     <trevor.wu@...iatek.com>, <alsa-devel@...a-project.org>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <bicycle.tsai@...iatek.com>, <jiaxin.yu@...iatek.com>,
        <cychiang@...gle.com>
Subject: [PATCH 6/8] dt-bindings: mediatek: mt8195: add audio afe document

This patch adds mt8195 audio afe document.

Signed-off-by: Trevor Wu <trevor.wu@...iatek.com>
---
 .../bindings/sound/mt8195-afe-pcm.yaml        | 72 +++++++++++++++++++
 1 file changed, 72 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/sound/mt8195-afe-pcm.yaml

diff --git a/Documentation/devicetree/bindings/sound/mt8195-afe-pcm.yaml b/Documentation/devicetree/bindings/sound/mt8195-afe-pcm.yaml
new file mode 100644
index 000000000000..9a7f80248bb4
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/mt8195-afe-pcm.yaml
@@ -0,0 +1,72 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/mt8195-afe-pcm.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Mediatek AFE PCM controller for mt8195
+
+maintainers:
+   - Trevor Wu <trevor.wu@...iatek.com>
+
+properties:
+  compatible:
+      const: mediatek,mt8195-audio
+
+  interrupts:
+    maxItems: 1
+
+  mediatek,topckgen:
+    $ref: "/schemas/types.yaml#/definitions/phandle"
+    description: The phandle of the mediatek topckgen controller
+
+  power-domains:
+    maxItems: 1
+
+  clocks:
+    items:
+      - description: AFE clock
+      - description: audio infra sys clock
+      - description: audio infra 26M clock
+      - description: audio 26M clock
+
+  clock-names:
+    items:
+      - const: aud_afe
+      - const: infra_ao_audio
+      - const: infra_ao_audio_26m_b
+      - const: clk26m
+
+required:
+  - compatible
+  - interrupts
+  - mediatek,topckgen
+  - power-domains
+  - clocks
+  - clock-names
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/mt8195-clk.h>
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/interrupt-controller/irq.h>
+    #include <dt-bindings/power/mt8195-power.h>
+
+    afe: mt8195-afe-pcm {
+        compatible = "mediatek,mt8195-audio";
+        interrupts = <GIC_SPI 822 IRQ_TYPE_LEVEL_HIGH 0>;
+        mediatek,topckgen = <&topckgen>;
+        power-domains = <&spm MT8195_POWER_DOMAIN_AUDIO>;
+        clocks = <&clk26m>,
+                 <&audsys CLK_AUD_AFE>,
+                 <&infracfg_ao CLK_INFRA_AO_AUDIO>,
+                 <&infracfg_ao CLK_INFRA_AO_AUDIO_26M_B>,
+        clock-names = "clk26m",
+                      "aud_afe",
+                      "infra_ao_audio",
+                      "infra_ao_audio_26m_b";
+    };
+
+...
-- 
2.18.0