linux-kernel - [PATCH v3 6/6] ASoC: dt-bindings: mediatek,mt7986-afe: add audio afe document

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Message-ID: <20230728090819.18038-7-maso.huang@mediatek.com>
Date:   Fri, 28 Jul 2023 17:08:19 +0800
From:   Maso Huang <maso.huang@...iatek.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>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        Trevor Wu <trevor.wu@...iatek.com>,
        Arnd Bergmann <arnd@...db.de>,
        Mars Chen <chenxiangrui@...qin.corp-partner.google.com>,
        Allen-KH Cheng <allen-kh.cheng@...iatek.com>,
        <alsa-devel@...a-project.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>
CC:     Maso Huang <maso.huang@...iatek.com>
Subject: [PATCH v3 6/6] ASoC: dt-bindings: mediatek,mt7986-afe: add audio afe document

Add mt7986 audio afe document.

Signed-off-by: Maso Huang <maso.huang@...iatek.com>
---
 .../bindings/sound/mediatek,mt7986-afe.yaml   | 89 +++++++++++++++++++
 1 file changed, 89 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/sound/mediatek,mt7986-afe.yaml

diff --git a/Documentation/devicetree/bindings/sound/mediatek,mt7986-afe.yaml b/Documentation/devicetree/bindings/sound/mediatek,mt7986-afe.yaml
new file mode 100644
index 000000000000..ebb151c6400f
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/mediatek,mt7986-afe.yaml
@@ -0,0 +1,89 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/mediatek,mt7986-afe.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MediaTek AFE PCM controller for MT7986
+
+maintainers:
+  - Maso Huang <maso.huang@...iatek.com>
+
+properties:
+  compatible:
+    oneOf:
+      - const: mediatek,mt7986-afe
+      - items:
+          - enum:
+              - mediatek,mt7981-afe
+              - mediatek,mt7988-afe
+          - const: mediatek,mt7986-afe
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    minItems: 5
+    items:
+      - description: audio bus clock
+      - description: audio 26M clock
+      - description: audio intbus clock
+      - description: audio hopping clock
+      - description: audio pll clock
+      - description: mux for pcm_mck
+      - description: audio i2s/pcm mck
+
+  clock-names:
+    minItems: 5
+    items:
+      - const: bus_ck
+      - const: 26m_ck
+      - const: l_ck
+      - const: aud_ck
+      - const: eg2_ck
+      - const: sel
+      - const: i2s_m
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+  - clock-names
+  - assigned-clocks
+  - assigned-clock-parents
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/interrupt-controller/irq.h>
+    #include <dt-bindings/clock/mt7986-clk.h>
+
+    afe@...10000 {
+        compatible = "mediatek,mt7986-afe";
+        reg = <0x11210000 0x9000>;
+        interrupts = <GIC_SPI 106 IRQ_TYPE_LEVEL_HIGH>;
+        clocks = <&infracfg_ao CLK_INFRA_AUD_BUS_CK>,
+                 <&infracfg_ao CLK_INFRA_AUD_26M_CK>,
+                 <&infracfg_ao CLK_INFRA_AUD_L_CK>,
+                 <&infracfg_ao CLK_INFRA_AUD_AUD_CK>,
+                 <&infracfg_ao CLK_INFRA_AUD_EG2_CK>;
+        clock-names = "bus_ck",
+                      "26m_ck",
+                      "l_ck",
+                      "aud_ck",
+                      "eg2_ck";
+        assigned-clocks = <&topckgen CLK_TOP_A1SYS_SEL>,
+                          <&topckgen CLK_TOP_AUD_L_SEL>,
+                          <&topckgen CLK_TOP_A_TUNER_SEL>;
+        assigned-clock-parents = <&topckgen CLK_TOP_APLL2_D4>,
+                                 <&apmixedsys CLK_APMIXED_APLL2>,
+                                 <&topckgen CLK_TOP_APLL2_D4>;
+    };
+
+...
-- 
2.18.0