Add mt8188 audio afe document.
Signed-off-by: Trevor Wu trevor.wu@mediatek.com --- .../bindings/sound/mt8188-afe-pcm.yaml | 202 ++++++++++++++++++ 1 file changed, 202 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/mt8188-afe-pcm.yaml
diff --git a/Documentation/devicetree/bindings/sound/mt8188-afe-pcm.yaml b/Documentation/devicetree/bindings/sound/mt8188-afe-pcm.yaml new file mode 100644 index 000000000000..50d53c5d59ad --- /dev/null +++ b/Documentation/devicetree/bindings/sound/mt8188-afe-pcm.yaml @@ -0,0 +1,202 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/mt8188-afe-pcm.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Mediatek AFE PCM controller for mt8188 + +maintainers: + - Trevor Wu trevor.wu@mediatek.com + +properties: + compatible: + const: mediatek,mt8188-audio + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + resets: + maxItems: 1 + + reset-names: + const: audiosys + + memory-region: + maxItems: 1 + description: | + Shared memory region for AFE memif. A "shared-dma-pool". + See ../reserved-memory/reserved-memory.txt for details. + + mediatek,topckgen: + $ref: "/schemas/types.yaml#/definitions/phandle" + description: The phandle of the mediatek topckgen controller + + mediatek,infracfg: + $ref: "/schemas/types.yaml#/definitions/phandle" + description: The phandle of the mediatek infracfg 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_ck + - const: apll2_ck + - 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_audio26m + + mediatek,etdm-in1-chn-disabled: + $ref: /schemas/types.yaml#/definitions/uint8-array + maxItems: 16 + description: Specify which input channel should be disabled. + + mediatek,etdm-in2-chn-disabled: + $ref: /schemas/types.yaml#/definitions/uint8-array + maxItems: 16 + description: Specify which input channel should be disabled. + +patternProperties: + "^mediatek,etdm-in[1-2]-mclk-always-on-rate-hz$": + description: Specify etdm in mclk output rate for always on case. + + "^mediatek,etdm-out[1-3]-mclk-always-on-rate-hz$": + description: Specify etdm out mclk output rate for always on case. + + "^mediatek,etdm-in[1-2]-multi-pin-mode$": + type: boolean + description: if present, the etdm data mode is I2S. + + "^mediatek,etdm-out[1-3]-multi-pin-mode$": + type: boolean + description: if present, the etdm data mode is I2S. + + "^mediatek,etdm-in[1-2]-cowork-source$": + $ref: /schemas/types.yaml#/definitions/uint32 + description: | + etdm modules can share the same external clock pin. Specify + which etdm clock source is required by this etdm in moudule. + enum: + - 0 # etdm1_in + - 1 # etdm2_in + - 2 # etdm1_out + - 3 # etdm2_out + + "^mediatek,etdm-out[1-2]-cowork-source$": + $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 moudule. + enum: + - 0 # etdm1_in + - 1 # etdm2_in + - 2 # etdm1_out + - 3 # etdm2_out + +required: + - compatible + - reg + - interrupts + - resets + - reset-names + - mediatek,topckgen + - mediatek,infracfg + - power-domains + - clocks + - clock-names + - memory-region + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/interrupt-controller/irq.h> + + afe: afe@10b10000 { + compatible = "mediatek,mt8188-audio"; + reg = <0x10b10000 0x10000>; + interrupts = <GIC_SPI 822 IRQ_TYPE_LEVEL_HIGH 0>; + resets = <&watchdog 14>; + reset-names = "audiosys"; + mediatek,topckgen = <&topckgen>; + mediatek,infracfg = <&infracfg_ao>; + power-domains = <&spm 7>; //MT8195_POWER_DOMAIN_AUDIO + memory-region = <&snd_dma_mem_reserved>; + clocks = <&clk26m>, + <&topckgen 72>, //CLK_TOP_APLL1 + <&topckgen 73>, //CLK_TOP_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_ck", + "apll2_ck", + "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"; + }; + +...