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SubjectRe: [PATCH] dt-bindings: dsp: mediatek: add mt8195 dsp document
On Wed, Dec 15, 2021 at 11:19:55AM +0800, YC Hung wrote:
> From: "yc.hung" <yc.hung@mediatek.com>
>
> This patch adds mt8195 dsp document.
>
> Signed-off-by: yc.hung <yc.hung@mediatek.com>
> ---
> .../bindings/dsp/mtk,mt8195-dsp.yaml | 116 ++++++++++++++++++

mediatek,mt8195-dsp.yaml

> 1 file changed, 116 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/dsp/mtk,mt8195-dsp.yaml
>
> diff --git a/Documentation/devicetree/bindings/dsp/mtk,mt8195-dsp.yaml b/Documentation/devicetree/bindings/dsp/mtk,mt8195-dsp.yaml
> new file mode 100644
> index 000000000000..33db11ee2336
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/dsp/mtk,mt8195-dsp.yaml
> @@ -0,0 +1,116 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/dsp/mtk,mt8195-dsp.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Mediatek mt8195 DSP core
> +
> +maintainers:
> + - YC Hung <yc.hung@mediatek.com>
> +
> +description: |
> + Some boards from mt8195 contain a DSP core used for
> + advanced pre- and post- audio processing.

blank line

> +properties:
> + compatible:
> + const: mediatek,mt8195-dsp
> +
> + reg:
> + items:
> + - description: Address and size of the DSP Cfg registers
> + - description: Address and size of the DSP SRAM
> +
> + reg-names:
> + items:
> + - const: cfg
> + - const: sram
> +
> + interrupts:
> + items:
> + - description: watchdog interrupt
> +
> + interrupt-names:
> + items:
> + - const: wdt
> +
> + clocks:
> + items:
> + - description: mux for audio dsp clock
> + - description: 26M clock
> + - description: mux for audio dsp local bus
> + - description: default audio dsp local bus clock source
> + - description: clock gate for audio dsp clock
> + - description: mux for audio dsp access external bus
> +
> + clock-names:
> + items:
> + - const: adsp_sel
> + - const: clk26m_ck
> + - const: audio_local_bus
> + - const: mainpll_d7_d2
> + - const: scp_adsp_audiodsp
> + - const: audio_h
> +
> + power-domains:
> + maxItems: 1
> +
> + mboxes:
> + items:
> + - description: a mailbox is ised for ipc reply between host and audio DSP.
> + - description: a mailbox is ised for ipc reuqest between host and audio DSP.

typos

'a mailbox is ised for ' part can be dropped.


> +
> + mbox-names:
> + items:
> + - const: mbox0
> + - const: mbox1
> +
> + memory-region:
> + items:
> + - description: A phandle to a reserved memory region is used for dma buffer between host and DSP.
> + - description: A phandle to a reserved memory region is used for DSP system memory.

'A phandle to a reserved memory region is used for' part can be dropped.

> +
> +required:
> + - compatible
> + - reg
> + - reg-names
> + - interrupts
> + - interrupt-names
> + - clocks
> + - clock-names
> + - memory-region
> + - power-domains
> + - mbox-names
> + - mboxes
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + #include <dt-bindings/interrupt-controller/arm-gic.h>
> + #include <dt-bindings/interrupt-controller/irq.h>
> + adsp: dsp@10803000 {

Drop unused labels.

> + compatible = "mediatek,mt8195-dsp";
> + reg = <0x10803000 0x1000>,
> + <0x10840000 0x40000>;
> + reg-names = "cfg", "sram";
> + interrupts = <GIC_SPI 694 IRQ_TYPE_LEVEL_HIGH 0>;
> + interrupt-names = "wdt";
> + clocks = <&topckgen 10>, //CLK_TOP_ADSP
> + <&clk26m>,
> + <&topckgen 107>, //CLK_TOP_AUDIO_LOCAL_BUS
> + <&topckgen 136>, //CLK_TOP_MAINPLL_D7_D2
> + <&scp_adsp 0>, //CLK_SCP_ADSP_AUDIODSP
> + <&topckgen 34>; //CLK_TOP_AUDIO_H
> + clock-names = "adsp_sel",
> + "clk26m_ck",
> + "audio_local_bus",
> + "mainpll_d7_d2",
> + "scp_adsp_audiodsp",
> + "audio_h";
> + memory-region = <&adsp_dma_mem_reserved>,
> + <&adsp_mem_reserved>;
> + power-domains = <&spm 6>; //MT8195_POWER_DOMAIN_ADSP
> + mbox-names = "mbox0", "mbox1";
> + mboxes = <&adsp_mailbox0>, <&adsp_mailbox1>;
> + };

Wrong indentation.

> --
> 2.18.0
>
>

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