[PATCH v8 07/10] ASoC: dt-bindings: mediatek,mt8196-afe: add audio AFE

Cyril Chao
2026-03-24T01:58:04Z

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>
---
.../bindings/sound/mediatek,mt8196-afe.yaml | 113 ++++++++++++++++++
1 file changed, 113 insertions(+)
create mode 100644 Documentation/devicetree/bindings/sound/mediatek,mt8196-afe.yaml

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 000000000000..949f8622baf9
--- /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";
+ };
+ };
+
+...
--
2.45.2