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Message-ID: <b2869bdd-04e8-262d-5d1a-4d835397360e@collabora.com>
Date: Fri, 28 Jul 2023 12:00:18 +0200
From: AngeloGioacchino Del Regno
<angelogioacchino.delregno@...labora.com>
To: Maso Huang <maso.huang@...iatek.com>,
Liam Girdwood <lgirdwood@...il.com>,
Mark Brown <broonie@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>,
Matthias Brugger <matthias.bgg@...il.com>,
Jaroslav Kysela <perex@...ex.cz>,
Takashi Iwai <tiwai@...e.com>,
Trevor Wu <trevor.wu@...iatek.com>,
Arnd Bergmann <arnd@...db.de>,
Mars Chen <chenxiangrui@...qin.corp-partner.google.com>,
Allen-KH Cheng <allen-kh.cheng@...iatek.com>,
alsa-devel@...a-project.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH v3 6/6] ASoC: dt-bindings: mediatek,mt7986-afe: add audio
afe document
Il 28/07/23 11:08, Maso Huang ha scritto:
> Add mt7986 audio afe document.
>
> Signed-off-by: Maso Huang <maso.huang@...iatek.com>
> ---
> .../bindings/sound/mediatek,mt7986-afe.yaml | 89 +++++++++++++++++++
> 1 file changed, 89 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/sound/mediatek,mt7986-afe.yaml
>
> diff --git a/Documentation/devicetree/bindings/sound/mediatek,mt7986-afe.yaml b/Documentation/devicetree/bindings/sound/mediatek,mt7986-afe.yaml
> new file mode 100644
> index 000000000000..ebb151c6400f
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/sound/mediatek,mt7986-afe.yaml
> @@ -0,0 +1,89 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/sound/mediatek,mt7986-afe.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: MediaTek AFE PCM controller for MT7986
> +
> +maintainers:
> + - Maso Huang <maso.huang@...iatek.com>
> +
> +properties:
> + compatible:
> + oneOf:
> + - const: mediatek,mt7986-afe
> + - items:
> + - enum:
> + - mediatek,mt7981-afe
> + - mediatek,mt7988-afe
> + - const: mediatek,mt7986-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: bus_ck
> + - const: 26m_ck
> + - const: l_ck
> + - const: aud_ck
> + - const: eg2_ck
> + - const: sel
> + - const: i2s_m
> +
> +required:
> + - compatible
> + - reg
> + - interrupts
> + - clocks
> + - clock-names
> + - assigned-clocks
> + - assigned-clock-parents
assigned-clocks and assigned-clock-parents are not a *required* property,
as that depends on a number of things and someone *may* want to omit it.
Besides, that's related to how the drivers interact with / setup the hardware
and not with the hardware itself... you can keep the assigned-clocks and
assigned-clock-parents in your examples, but again they're definitely not
required properties.
After fixing,
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
Regards,
Angelo
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + #include <dt-bindings/interrupt-controller/arm-gic.h>
> + #include <dt-bindings/interrupt-controller/irq.h>
> + #include <dt-bindings/clock/mt7986-clk.h>
> +
> + afe@...10000 {
> + compatible = "mediatek,mt7986-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>;
> + clock-names = "bus_ck",
> + "26m_ck",
> + "l_ck",
> + "aud_ck",
> + "eg2_ck";
> + assigned-clocks = <&topckgen CLK_TOP_A1SYS_SEL>,
> + <&topckgen CLK_TOP_AUD_L_SEL>,
> + <&topckgen CLK_TOP_A_TUNER_SEL>;
> + assigned-clock-parents = <&topckgen CLK_TOP_APLL2_D4>,
> + <&apmixedsys CLK_APMIXED_APLL2>,
> + <&topckgen CLK_TOP_APLL2_D4>;
> + };
> +
> +...
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