[PATCH 3/5] dt-bindings: mediatek: mt8192: add audio afe document
Rob Herring
robh at kernel.org
Mon Oct 5 15:57:39 CEST 2020
On Fri, Oct 02, 2020 at 03:35:40PM +0800, Jiaxin Yu wrote:
> This patch adds mt8192 audio afe document.
>
> Signed-off-by: Jiaxin Yu <jiaxin.yu at mediatek.com>
> ---
> .../bindings/sound/mt8192-afe-pcm.yaml | 98 +++++++++++++++++++
> 1 file changed, 98 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/sound/mt8192-afe-pcm.yaml
>
> diff --git a/Documentation/devicetree/bindings/sound/mt8192-afe-pcm.yaml b/Documentation/devicetree/bindings/sound/mt8192-afe-pcm.yaml
> new file mode 100644
> index 0000000000000..43852315f1867
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/sound/mt8192-afe-pcm.yaml
> @@ -0,0 +1,98 @@
> +# SPDX-License-Identifier: GPL-2.0
Dual license new bindings:
(GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/sound/mt8192-afe-pcm.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Mediatek AFE PCM controller for mt8192
> +
> +maintainers:
> + - Jiaxin Yu <jiaxin.yu at mediatek.com>
> + - Shane Chien <shane.chien at mediatek.com>
> +
> +properties:
> + compatible:
> + contains:
So any other string in addition is okay?
> + const: mediatek,mt8192-audio
> +
> + interrupts:
> + maxItems: 1
> + description: AFE interrupt line
Drop description.
> +
> + resets:
> + maxItems: 1
> +
> + reset-names:
> + const: audiosys
> +
> + apmixedsys:
> + maxItems: 1
This is an array?
> + description: The mediatek apmixedsys controller
> +
> + infracfg:
> + maxItems: 1
> + description: The mediatek infracfg controller
> +
> + topckgen:
> + maxItems: 1
> + description: The mediatek topckgen controller
These all need a type reference and and vendor prefix.
> +
> + power-domains:
> + maxItems: 1
> +
> + clocks:
> + items:
> + - description: AFE clock
> + - description: ADDA DAC clock
> + - description: ADDA DAC pre-distortion clock
> + - description: audio infra sys clock
> + - description: audio infra 26M clock
> +
> + clock-names:
> + items:
> + - const: aud_afe_clk
> + - const: aud_dac_clk
> + - const: aud_dac_predis_clk
> + - const: aud_infra_clk
> + - const: aud_infra_26m_clk
> +
> +required:
> + - compatible
> + - interrupts
> + - resets
> + - reset-names
> + - power-domains
> + - clocks
> + - clock-names
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + #include <dt-bindings/clock/mt8192-clk.h>
> + #include <dt-bindings/interrupt-controller/irq.h>
> + #include <dt-bindings/interrupt-controller/arm-gic.h>
> + #include <dt-bindings/power/mt8192-power.h>
> +
> + afe: mt8192-afe-pcm {
> + compatible = "mediatek,mt8192-audio";
> + interrupts = <GIC_SPI 202 IRQ_TYPE_LEVEL_HIGH>;
> + resets = <&watchdog MT8192_TOPRGU_AUDIO_SW_RST>;
> + reset-names = "audiosys";
> + apmixedsys = <&apmixedsys>;
> + infracfg = <&infracfg>;
> + topckgen = <&topckgen>;
> + power-domains = <&scpsys MT8192_POWER_DOMAIN_AUDIO>;
> + clocks = <&audsys CLK_AUD_AFE>,
> + <&audsys CLK_AUD_DAC>,
> + <&audsys CLK_AUD_DAC_PREDIS>,
> + <&infracfg CLK_INFRA_AUDIO>,
> + <&infracfg CLK_INFRA_AUDIO_26M_B>;
> + clock-names = "aud_afe_clk",
> + "aud_dac_clk",
> + "aud_dac_predis_clk",
> + "aud_infra_clk",
> + "aud_infra_26m_clk";
> + };
> +
> +...
> --
> 2.18.0
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