From: Maso Huang <maso.huang@xxxxxxxxxxxx> Add mt79xx audio afe document. Signed-off-by: Maso Huang <maso.huang@xxxxxxxxxxxx> --- .../bindings/sound/mediatek,mt79xx-afe.yaml | 102 ++++++++++++++++++ 1 file changed, 102 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/mediatek,mt79xx-afe.yaml diff --git a/Documentation/devicetree/bindings/sound/mediatek,mt79xx-afe.yaml b/Documentation/devicetree/bindings/sound/mediatek,mt79xx-afe.yaml new file mode 100644 index 000000000000..11ef1cfdf49b --- /dev/null +++ b/Documentation/devicetree/bindings/sound/mediatek,mt79xx-afe.yaml @@ -0,0 +1,102 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/mediatek,mt79xx-afe.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MediaTek AFE PCM controller for MT79xx + +maintainers: + - Maso Huang <maso.huang@xxxxxxxxxxxx> + +properties: + compatible: + oneOf: + - const: mediatek,mt79xx-afe + - items: + - enum: + - mediatek,mt7981-afe + - mediatek,mt7986-afe + - mediatek,mt7988-afe + - const: mediatek,mt79xx-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: aud_bus_ck + - const: aud_26m_ck + - const: aud_l_ck + - const: aud_aud_ck + - const: aud_eg2_ck + - const: aud_sel + - const: aud_i2s_m + + assigned-clocks: + minItems: 3 + maxItems: 4 + + assigned-clock-parents: + minItems: 3 + maxItems: 4 + +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/mediatek,mt7981-clk.h> + + afe@11210000 { + compatible = "mediatek,mt7981-afe","mediatek,mt79xx-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>, + <&topckgen CLK_TOP_AUD_SEL>; + clock-names = "aud_bus_ck", + "aud_26m_ck", + "aud_l_ck", + "aud_aud_ck", + "aud_eg2_ck", + "aud_sel"; + assigned-clocks = <&topckgen CLK_TOP_AUD_SEL>, + <&topckgen CLK_TOP_A1SYS_SEL>, + <&topckgen CLK_TOP_AUD_L_SEL>, + <&topckgen CLK_TOP_A_TUNER_SEL>; + assigned-clock-parents = <&topckgen CLK_TOP_CB_APLL2_196M>, + <&topckgen CLK_TOP_APLL2_D4>, + <&topckgen CLK_TOP_CB_APLL2_196M>, + <&topckgen CLK_TOP_APLL2_D4>; + }; + +... -- 2.18.0
