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Message-ID: <20221230055443.16024-11-trevor.wu@mediatek.com>
Date: Fri, 30 Dec 2022 13:54:40 +0800
From: Trevor Wu <trevor.wu@...iatek.com>
To: <broonie@...nel.org>, <lgirdwood@...il.com>, <tiwai@...e.com>,
<perex@...ex.cz>, <robh+dt@...nel.org>,
<krzysztof.kozlowski+dt@...aro.org>, <matthias.bgg@...il.com>,
<p.zabel@...gutronix.de>
CC: <trevor.wu@...iatek.com>,
<angelogioacchino.delregno@...labora.com>,
<Project_Global_Chrome_Upstream_Group@...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>
Subject: [PATCH v4 10/13] dt-bindings: mediatek: mt8188: add audio afe document
Add mt8188 audio afe document.
Signed-off-by: Trevor Wu <trevor.wu@...iatek.com>
---
.../bindings/sound/mediatek,mt8188-afe.yaml | 208 ++++++++++++++++++
1 file changed, 208 insertions(+)
create mode 100644 Documentation/devicetree/bindings/sound/mediatek,mt8188-afe.yaml
diff --git a/Documentation/devicetree/bindings/sound/mediatek,mt8188-afe.yaml b/Documentation/devicetree/bindings/sound/mediatek,mt8188-afe.yaml
new file mode 100644
index 000000000000..7402bf7750ac
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/mediatek,mt8188-afe.yaml
@@ -0,0 +1,208 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/mediatek,mt8188-afe.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MediaTek AFE PCM controller for mt8188
+
+maintainers:
+ - Trevor Wu <trevor.wu@...iatek.com>
+
+properties:
+ compatible:
+ const: mediatek,mt8188-afe
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ resets:
+ maxItems: 1
+
+ reset-names:
+ const: audiosys
+
+ mediatek,topckgen:
+ $ref: /schemas/types.yaml#/definitions/phandle
+ description: The phandle of the mediatek topckgen controller
+
+ power-domains:
+ maxItems: 1
+
+ clocks:
+ items:
+ - description: 26M clock
+ - description: audio pll1 clock
+ - description: audio pll2 clock
+ - description: clock divider for i2si1_mck
+ - description: clock divider for i2si2_mck
+ - description: clock divider for i2so1_mck
+ - description: clock divider for i2so2_mck
+ - description: clock divider for dptx_mck
+ - description: a1sys hoping clock
+ - description: audio intbus clock
+ - description: audio hires clock
+ - description: audio local bus clock
+ - description: mux for dptx_mck
+ - description: mux for i2so1_mck
+ - description: mux for i2so2_mck
+ - description: mux for i2si1_mck
+ - description: mux for i2si2_mck
+ - description: audio 26m clock
+
+ clock-names:
+ items:
+ - const: clk26m
+ - const: apll1
+ - const: apll2
+ - const: apll12_div0
+ - const: apll12_div1
+ - const: apll12_div2
+ - const: apll12_div3
+ - const: apll12_div9
+ - const: a1sys_hp_sel
+ - const: aud_intbus_sel
+ - const: audio_h_sel
+ - const: audio_local_bus_sel
+ - const: dptx_m_sel
+ - const: i2so1_m_sel
+ - const: i2so2_m_sel
+ - const: i2si1_m_sel
+ - const: i2si2_m_sel
+ - const: adsp_audio_26m
+
+ mediatek,etdm-in1-cowork-source:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description:
+ etdm modules can share the same external clock pin. Specify
+ which etdm clock source is required by this etdm in module.
+ enum:
+ - 1 # etdm2_in
+ - 2 # etdm1_out
+ - 3 # etdm2_out
+
+ mediatek,etdm-in2-cowork-source:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description:
+ etdm modules can share the same external clock pin. Specify
+ which etdm clock source is required by this etdm in module.
+ enum:
+ - 0 # etdm1_in
+ - 2 # etdm1_out
+ - 3 # etdm2_out
+
+ mediatek,etdm-out1-cowork-source:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: |
+ etdm modules can share the same external clock pin. Specify
+ which etdm clock source is required by this etdm out module.
+ enum:
+ - 0 # etdm1_in
+ - 1 # etdm2_in
+ - 3 # etdm2_out
+
+ mediatek,etdm-out2-cowork-source:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: |
+ etdm modules can share the same external clock pin. Specify
+ which etdm clock source is required by this etdm out module.
+ enum:
+ - 0 # etdm1_in
+ - 1 # etdm2_in
+ - 2 # etdm1_out
+
+patternProperties:
+ "^mediatek,etdm-in[1-2]-chn-disabled$":
+ $ref: /schemas/types.yaml#/definitions/uint8-array
+ minItems: 1
+ maxItems: 16
+ description:
+ This is a list of channel IDs which should be disabled.
+ By default, all data received from ETDM pins will be outputed to
+ memory. etdm in supports disable_out in direct mode(w/o interconn),
+ so user can disable the specified channels by the property.
+ uniqueItems: true
+ items:
+ minimum: 0
+ maximum: 15
+
+ "^mediatek,etdm-in[1-2]-multi-pin-mode$":
+ type: boolean
+ description: if present, the etdm data mode is I2S.
+
+ "^mediatek,etdm-out[1-3]-multi-pin-mode$":
+ type: boolean
+ description: if present, the etdm data mode is I2S.
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - resets
+ - reset-names
+ - mediatek,topckgen
+ - power-domains
+ - clocks
+ - clock-names
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/interrupt-controller/irq.h>
+
+ afe@...10000 {
+ compatible = "mediatek,mt8188-afe";
+ reg = <0x10b10000 0x10000>;
+ interrupts = <GIC_SPI 822 IRQ_TYPE_LEVEL_HIGH 0>;
+ resets = <&watchdog 14>;
+ reset-names = "audiosys";
+ mediatek,topckgen = <&topckgen>;
+ power-domains = <&spm 13>; //MT8188_POWER_DOMAIN_AUDIO
+ mediatek,etdm-in2-cowork-source = <2>;
+ mediatek,etdm-out2-cowork-source = <0>;
+ mediatek,etdm-in1-multi-pin-mode;
+ mediatek,etdm-in1-chn-disabled = /bits/ 8 <0x0 0x2>;
+ clocks = <&clk26m>,
+ <&apmixedsys 9>, //CLK_APMIXED_APLL1
+ <&apmixedsys 10>, //CLK_APMIXED_APLL2
+ <&topckgen 186>, //CLK_TOP_APLL12_CK_DIV0
+ <&topckgen 187>, //CLK_TOP_APLL12_CK_DIV1
+ <&topckgen 188>, //CLK_TOP_APLL12_CK_DIV2
+ <&topckgen 189>, //CLK_TOP_APLL12_CK_DIV3
+ <&topckgen 191>, //CLK_TOP_APLL12_CK_DIV9
+ <&topckgen 83>, //CLK_TOP_A1SYS_HP
+ <&topckgen 31>, //CLK_TOP_AUD_INTBUS
+ <&topckgen 32>, //CLK_TOP_AUDIO_H
+ <&topckgen 69>, //CLK_TOP_AUDIO_LOCAL_BUS
+ <&topckgen 81>, //CLK_TOP_DPTX
+ <&topckgen 77>, //CLK_TOP_I2SO1
+ <&topckgen 78>, //CLK_TOP_I2SO2
+ <&topckgen 79>, //CLK_TOP_I2SI1
+ <&topckgen 80>, //CLK_TOP_I2SI2
+ <&adsp_audio26m 0>; //CLK_AUDIODSP_AUDIO26M
+ clock-names = "clk26m",
+ "apll1",
+ "apll2",
+ "apll12_div0",
+ "apll12_div1",
+ "apll12_div2",
+ "apll12_div3",
+ "apll12_div9",
+ "a1sys_hp_sel",
+ "aud_intbus_sel",
+ "audio_h_sel",
+ "audio_local_bus_sel",
+ "dptx_m_sel",
+ "i2so1_m_sel",
+ "i2so2_m_sel",
+ "i2si1_m_sel",
+ "i2si2_m_sel",
+ "adsp_audio_26m";
+ };
+
+...
--
2.18.0
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