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Date: Tue, 09 Apr 2024 15:41:59 +0200
From: Alexandre Mergnat <amergnat@...libre.com>
To: Liam Girdwood <lgirdwood@...il.com>, Mark Brown <broonie@...nel.org>, 
 Rob Herring <robh+dt@...nel.org>, 
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Matthias Brugger <matthias.bgg@...il.com>, 
 AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>, 
 Lee Jones <lee@...nel.org>, Flora Fu <flora.fu@...iatek.com>, 
 Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>, 
 Sumit Semwal <sumit.semwal@...aro.org>, 
 Christian König <christian.koenig@....com>, 
 Catalin Marinas <catalin.marinas@....com>, Will Deacon <will@...nel.org>, 
 Rob Herring <robh@...nel.org>
Cc: linux-sound@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
 linux-mediatek@...ts.infradead.org, linux-media@...r.kernel.org, 
 dri-devel@...ts.freedesktop.org, linaro-mm-sig@...ts.linaro.org, 
 Alexandre Mergnat <amergnat@...libre.com>
Subject: [PATCH v3 01/18] ASoC: dt-bindings: mediatek,mt8365-afe: Add audio
 afe document

Add MT8365 audio front-end bindings

Signed-off-by: Alexandre Mergnat <amergnat@...libre.com>
---
 .../bindings/sound/mediatek,mt8365-afe.yaml        | 136 +++++++++++++++++++++
 1 file changed, 136 insertions(+)

diff --git a/Documentation/devicetree/bindings/sound/mediatek,mt8365-afe.yaml b/Documentation/devicetree/bindings/sound/mediatek,mt8365-afe.yaml
new file mode 100644
index 000000000000..d0759898b9c5
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/mediatek,mt8365-afe.yaml
@@ -0,0 +1,136 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/mediatek,mt8365-afe.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MediaTek AFE PCM controller for MT8365
+
+maintainers:
+  - Alexandre Mergnat <amergnat@...libre.com>
+
+properties:
+  compatible:
+    const: mediatek,mt8365-afe-pcm
+
+  reg:
+    maxItems: 1
+
+  "#sound-dai-cells":
+    const: 0
+
+  clocks:
+    items:
+      - description: 26M clock
+      - description: mux for audio clock
+      - description: audio i2s0 mck
+      - description: audio i2s1 mck
+      - description: audio i2s2 mck
+      - description: audio i2s3 mck
+      - description: engen 1 clock
+      - description: engen 2 clock
+      - description: audio 1 clock
+      - description: audio 2 clock
+      - description: mux for i2s0
+      - description: mux for i2s1
+      - description: mux for i2s2
+      - description: mux for i2s3
+
+  clock-names:
+    items:
+      - const: top_clk26m_clk
+      - const: top_audio_sel
+      - const: audio_i2s0_m
+      - const: audio_i2s1_m
+      - const: audio_i2s2_m
+      - const: audio_i2s3_m
+      - const: engen1
+      - const: engen2
+      - const: aud1
+      - const: aud2
+      - const: i2s0_m_sel
+      - const: i2s1_m_sel
+      - const: i2s2_m_sel
+      - const: i2s3_m_sel
+
+  interrupts:
+    maxItems: 1
+
+  power-domains:
+    maxItems: 1
+
+  mediatek,dmic-mode:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description:
+      Indicates how many data pins are used to transmit two channels of PDM
+      signal. 1 means two wires, 0 means one wire. Default value is 0.
+    enum:
+      - 0 # one wire
+      - 1 # two wires
+
+  mediatek,topckgen:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description: The phandle of the mediatek topckgen controller
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - clock-names
+  - interrupts
+  - power-domains
+  - mediatek,topckgen
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/mediatek,mt8365-clk.h>
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/interrupt-controller/irq.h>
+    #include <dt-bindings/power/mediatek,mt8365-power.h>
+
+    soc {
+        #address-cells = <2>;
+        #size-cells = <2>;
+
+        afe@...20000 {
+            compatible = "mediatek,mt8365-afe-pcm";
+            reg = <0 0x11220000 0 0x1000>;
+            #sound-dai-cells = <0>;
+            clocks = <&clk26m>,
+                     <&topckgen CLK_TOP_AUDIO_SEL>,
+                     <&topckgen CLK_TOP_AUD_I2S0_M>,
+                     <&topckgen CLK_TOP_AUD_I2S1_M>,
+                     <&topckgen CLK_TOP_AUD_I2S2_M>,
+                     <&topckgen CLK_TOP_AUD_I2S3_M>,
+                     <&topckgen CLK_TOP_AUD_ENGEN1_SEL>,
+                     <&topckgen CLK_TOP_AUD_ENGEN2_SEL>,
+                     <&topckgen CLK_TOP_AUD_1_SEL>,
+                     <&topckgen CLK_TOP_AUD_2_SEL>,
+                     <&topckgen CLK_TOP_APLL_I2S0_SEL>,
+                     <&topckgen CLK_TOP_APLL_I2S1_SEL>,
+                     <&topckgen CLK_TOP_APLL_I2S2_SEL>,
+                     <&topckgen CLK_TOP_APLL_I2S3_SEL>;
+            clock-names = "top_clk26m_clk",
+                          "top_audio_sel",
+                          "audio_i2s0_m",
+                          "audio_i2s1_m",
+                          "audio_i2s2_m",
+                          "audio_i2s3_m",
+                          "engen1",
+                          "engen2",
+                          "aud1",
+                          "aud2",
+                          "i2s0_m_sel",
+                          "i2s1_m_sel",
+                          "i2s2_m_sel",
+                          "i2s3_m_sel";
+            interrupts = <GIC_SPI 97 IRQ_TYPE_LEVEL_LOW>;
+            power-domains = <&spm MT8365_POWER_DOMAIN_AUDIO>;
+            mediatek,dmic-mode = <1>;
+            mediatek,topckgen = <&topckgen>;
+        };
+    };
+
+...

-- 
2.25.1


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