From: Darren Ye <darren.ye@mediatek.com>
Date: Thu, 30 Apr 2026 02:23:20 +0000 (+0800)
Subject: ASoC: dt-bindings: mediatek,mt8196-afe: add audio AFE
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5cd03440c0d4b30649ced05cb5dd930ed7e8dc3f;p=thirdparty%2Flinux.git

ASoC: dt-bindings: mediatek,mt8196-afe: add audio AFE

Add mt8196 audio AFE.

Signed-off-by: Darren Ye <darren.ye@mediatek.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Cyril Chao <Cyril.Chao@mediatek.com>
Link: https://patch.msgid.link/20260430022417.32282-8-Cyril.Chao@mediatek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---

diff --git a/Documentation/devicetree/bindings/sound/mediatek,mt8196-afe.yaml b/Documentation/devicetree/bindings/sound/mediatek,mt8196-afe.yaml
new file mode 100644
index 0000000000000..949f8622baf9f
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/mediatek,mt8196-afe.yaml
@@ -0,0 +1,113 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/mediatek,mt8196-afe.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MediaTek Audio Front End PCM controller for MT8196
+
+maintainers:
+  - Darren Ye <darren.ye@mediatek.com>
+
+properties:
+  compatible:
+    const: mediatek,mt8196-afe
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  memory-region:
+    maxItems: 1
+
+  power-domains:
+    maxItems: 1
+
+  clocks:
+    items:
+      - description: mux for audio intbus
+      - description: mux for audio engen1
+      - description: mux for audio engen2
+      - description: mux for audio h
+      - description: audio apll1 clock
+      - description: audio apll2 clock
+      - description: audio apll12 divide for i2sin0
+      - description: audio apll12 divide for i2sin1
+      - description: audio apll12 divide for fmi2s
+      - description: audio apll12 divide for tdmout mck
+      - description: audio apll12 divide for tdmout bck
+      - description: mux for adsp clock
+
+  clock-names:
+    items:
+      - const: top_aud_intbus
+      - const: top_aud_eng1
+      - const: top_aud_eng2
+      - const: top_aud_h
+      - const: apll1
+      - const: apll2
+      - const: apll12_div_i2sin0
+      - const: apll12_div_i2sin1
+      - const: apll12_div_fmi2s
+      - const: apll12_div_tdmout_m
+      - const: apll12_div_tdmout_b
+      - const: top_adsp
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - memory-region
+  - power-domains
+  - clocks
+  - clock-names
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/interrupt-controller/irq.h>
+
+    soc {
+        #address-cells = <2>;
+        #size-cells = <2>;
+
+        afe@1a110000 {
+            compatible = "mediatek,mt8196-afe";
+            reg = <0 0x1a110000 0 0x9000>;
+            interrupts = <GIC_SPI 351 IRQ_TYPE_LEVEL_HIGH 0>;
+            memory-region = <&afe_dma_mem_reserved>;
+            power-domains = <&scpsys 14>; //MT8196_POWER_DOMAIN_AUDIO
+            pinctrl-names = "default";
+            pinctrl-0 = <&aud_pins_default>;
+            clocks = <&vlp_cksys_clk 40>, //CLK_VLP_CK_AUD_INTBUS_SEL
+                     <&vlp_cksys_clk 38>, //CLK_VLP_CK_AUD_ENGEN1_SEL
+                     <&vlp_cksys_clk 39>, //CLK_VLP_CK_AUD_ENGEN2_SEL
+                     <&vlp_cksys_clk 37>, //CLK_VLP_CK_AUDIO_H_SEL
+                     <&vlp_cksys_clk 0>, //CLK_VLP_CK_VLP_APLL1
+                     <&vlp_cksys_clk 1>, //CLK_VLP_CK_VLP_APLL2
+                     <&cksys_clk 80>, //CLK_CK_APLL12_CK_DIV_I2SIN0
+                     <&cksys_clk 81>, //CLK_CK_APLL12_CK_DIV_I2SIN1
+                     <&cksys_clk 92>, //CLK_CK_APLL12_CK_DIV_FMI2S
+                     <&cksys_clk 93>, //CLK_CK_APLL12_CK_DIV_TDMOUT_M
+                     <&cksys_clk 94>, //CLK_CK_APLL12_CK_DIV_TDMOUT_B
+                     <&cksys_clk 45>; //CLK_CK_ADSP_SEL
+            clock-names = "top_aud_intbus",
+                          "top_aud_eng1",
+                          "top_aud_eng2",
+                          "top_aud_h",
+                          "apll1",
+                          "apll2",
+                          "apll12_div_i2sin0",
+                          "apll12_div_i2sin1",
+                          "apll12_div_fmi2s",
+                          "apll12_div_tdmout_m",
+                          "apll12_div_tdmout_b",
+                          "top_adsp";
+        };
+    };
+
+...