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Message-ID: <9c11bf53-6639-2cbe-0d27-ce1ea154f576@linaro.org>
Date: Tue, 17 Jan 2023 12:39:24 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: "Garmin.Chang" <Garmin.Chang@...iatek.com>,
Matthias Brugger <matthias.bgg@...il.com>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Michael Turquette <mturquette@...libre.com>,
Stephen Boyd <sboyd@...nel.org>,
Richard Cochran <richardcochran@...il.com>
Cc: Project_Global_Chrome_Upstream_Group@...iatek.com,
devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org, linux-mediatek@...ts.infradead.org,
linux-clk@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH v4 01/19] dt-bindings: ARM: MediaTek: Add new MT8188 clock
On 09/01/2023 13:44, Garmin.Chang wrote:
> Add the new binding documentation for system clock
> and functional clock on MediaTek MT8188.
Use subject prefixes matching the subsystem (which you can get for
example with `git log --oneline -- DIRECTORY_OR_FILE` on the directory
your patch is touching).
>
> Signed-off-by: Garmin.Chang <Garmin.Chang@...iatek.com>
> ---
> .../bindings/clock/mediatek,mt8188-clock.yaml | 71 ++
> .../clock/mediatek,mt8188-sys-clock.yaml | 55 ++
> .../dt-bindings/clock/mediatek,mt8188-clk.h | 733 ++++++++++++++++++
> 3 files changed, 859 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/clock/mediatek,mt8188-clock.yaml
> create mode 100644 Documentation/devicetree/bindings/clock/mediatek,mt8188-sys-clock.yaml
> create mode 100644 include/dt-bindings/clock/mediatek,mt8188-clk.h
>
> diff --git a/Documentation/devicetree/bindings/clock/mediatek,mt8188-clock.yaml b/Documentation/devicetree/bindings/clock/mediatek,mt8188-clock.yaml
> new file mode 100644
> index 000000000000..6654cead71f6
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/clock/mediatek,mt8188-clock.yaml
> @@ -0,0 +1,71 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/arm/mediatek/mediatek,mt8188-clock.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: MediaTek Functional Clock Controller for MT8188
> +
> +maintainers:
> + - Garmin Chang <garmin.chang@...iatek.com>
> +
> +description: |
> + The clock architecture in MediaTek like below
> + PLLs -->
> + dividers -->
> + muxes
> + -->
> + clock gate
> +
> + The devices provide clock gate control in different IP blocks.
> +
> +properties:
> + compatible:
> + enum:
> + - mediatek,mt8188-adsp-audio26m
> + - mediatek,mt8188-imp-iic-wrap-c
> + - mediatek,mt8188-imp-iic-wrap-en
> + - mediatek,mt8188-imp-iic-wrap-w
> + - mediatek,mt8188-mfgcfg
> + - mediatek,mt8188-vppsys0
> + - mediatek,mt8188-wpesys
> + - mediatek,mt8188-wpesys-vpp0
> + - mediatek,mt8188-vppsys1
> + - mediatek,mt8188-imgsys
> + - mediatek,mt8188-imgsys-wpe1
> + - mediatek,mt8188-imgsys-wpe2
> + - mediatek,mt8188-imgsys-wpe3
> + - mediatek,mt8188-imgsys1-dip-top
> + - mediatek,mt8188-imgsys1-dip-nr
> + - mediatek,mt8188-ipesys
> + - mediatek,mt8188-camsys
> + - mediatek,mt8188-camsys-rawa
> + - mediatek,mt8188-camsys-yuva
> + - mediatek,mt8188-camsys-rawb
> + - mediatek,mt8188-camsys-yuvb
> + - mediatek,mt8188-ccusys
> + - mediatek,mt8188-vdecsys-soc
> + - mediatek,mt8188-vdecsys
> + - mediatek,mt8188-vencsys
The list should be ordered by name.
> +
> + reg:
> + maxItems: 1
> +
> + '#clock-cells':
> + const: 1
> +
> +required:
> + - compatible
> + - reg
> + - '#clock-cells'
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + clock-controller@...83000 {
> + compatible = "mediatek,mt8188-imp-iic-wrap-c";
> + reg = <0x11283000 0x1000>;
> + #clock-cells = <1>;
> + };
> +
> diff --git a/Documentation/devicetree/bindings/clock/mediatek,mt8188-sys-clock.yaml b/Documentation/devicetree/bindings/clock/mediatek,mt8188-sys-clock.yaml
> new file mode 100644
> index 000000000000..541e0f7df79f
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/clock/mediatek,mt8188-sys-clock.yaml
> @@ -0,0 +1,55 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/arm/mediatek/mediatek,mt8188-sys-clock.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: MediaTek System Clock Controller for MT8188
> +
> +maintainers:
> + - Garmin Chang <garmin.chang@...iatek.com>
> +
> +description: |
> + The clock architecture in MediaTek like below
> + PLLs -->
> + dividers -->
> + muxes
> + -->
> + clock gate
> +
> + The apmixedsys provides most of PLLs which generated from SoC 26m.
> + The topckgen provides dividers and muxes which provide the clock source to other IP blocks.
> + The infracfg_ao provides clock gate in peripheral and infrastructure IP blocks.
> + The mcusys provides mux control to select the clock source in AP MCU.
> + The device nodes also provide the system control capacity for configuration.
> +
> +properties:
> + compatible:
> + items:
> + - enum:
> + - mediatek,mt8188-topckgen
> + - mediatek,mt8188-infracfg-ao
> + - mediatek,mt8188-apmixedsys
> + - mediatek,mt8188-pericfg-ao
Ditto
Best regards,
Krzysztof
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