From: Rob Herring <robh@kernel.org>
To: Fabien Parent <fparent@baylibre.com>
Cc: Qii Wang <qii.wang@mediatek.com>,
Matthias Brugger <matthias.bgg@gmail.com>,
mkorpershoek@baylibre.com, linux-i2c@vger.kernel.org,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/3] dt-bindings: i2c: i2c-mt65xx: convert doc to yaml schema format
Date: Wed, 19 May 2021 19:01:32 -0500 [thread overview]
Message-ID: <20210520000132.GA3914592@robh.at.kernel.org> (raw)
In-Reply-To: <20210518145522.2420135-1-fparent@baylibre.com>
On Tue, May 18, 2021 at 04:55:20PM +0200, Fabien Parent wrote:
> Convert the binding documentation for i2c-mt65xx driver to the
> YAML schema format.
>
> Signed-off-by: Fabien Parent <fparent@baylibre.com>
> ---
> .../devicetree/bindings/i2c/i2c-mt65xx.txt | 49 ----------
> .../devicetree/bindings/i2c/i2c-mt65xx.yaml | 97 +++++++++++++++++++
> 2 files changed, 97 insertions(+), 49 deletions(-)
> delete mode 100644 Documentation/devicetree/bindings/i2c/i2c-mt65xx.txt
> create mode 100644 Documentation/devicetree/bindings/i2c/i2c-mt65xx.yaml
>
> diff --git a/Documentation/devicetree/bindings/i2c/i2c-mt65xx.txt b/Documentation/devicetree/bindings/i2c/i2c-mt65xx.txt
> deleted file mode 100644
> index 7f0194fdd0cc..000000000000
> --- a/Documentation/devicetree/bindings/i2c/i2c-mt65xx.txt
> +++ /dev/null
> @@ -1,49 +0,0 @@
> -* MediaTek's I2C controller
> -
> -The MediaTek's I2C controller is used to interface with I2C devices.
> -
> -Required properties:
> - - compatible: value should be either of the following.
> - "mediatek,mt2701-i2c", "mediatek,mt6577-i2c": for MediaTek MT2701
> - "mediatek,mt2712-i2c": for MediaTek MT2712
> - "mediatek,mt6577-i2c": for MediaTek MT6577
> - "mediatek,mt6589-i2c": for MediaTek MT6589
> - "mediatek,mt6797-i2c", "mediatek,mt6577-i2c": for MediaTek MT6797
> - "mediatek,mt7622-i2c": for MediaTek MT7622
> - "mediatek,mt7623-i2c", "mediatek,mt6577-i2c": for MediaTek MT7623
> - "mediatek,mt7629-i2c", "mediatek,mt2712-i2c": for MediaTek MT7629
> - "mediatek,mt8173-i2c": for MediaTek MT8173
> - "mediatek,mt8183-i2c": for MediaTek MT8183
> - "mediatek,mt8192-i2c": for MediaTek MT8192
> - "mediatek,mt8516-i2c", "mediatek,mt2712-i2c": for MediaTek MT8516
> - - reg: physical base address of the controller and dma base, length of memory
> - mapped region.
> - - interrupts: interrupt number to the cpu.
> - - clock-div: the fixed value for frequency divider of clock source in i2c
> - module. Each IC may be different.
> - - clocks: clock name from clock manager
> - - clock-names: Must include "main" and "dma", "arb" is for multi-master that
> - one bus has more than two i2c controllers, if enable have-pmic need include
> - "pmic" extra.
> -
> -Optional properties:
> - - clock-frequency: Frequency in Hz of the bus when transfer, the default value
> - is 100000.
> - - mediatek,have-pmic: platform can control i2c form special pmic side.
> - Only mt6589 and mt8135 support this feature.
> - - mediatek,use-push-pull: IO config use push-pull mode.
> -
> -Example:
> -
> - i2c0: i2c@1100d000 {
> - compatible = "mediatek,mt6577-i2c";
> - reg = <0x1100d000 0x70>,
> - <0x11000300 0x80>;
> - interrupts = <GIC_SPI 44 IRQ_TYPE_LEVEL_LOW>;
> - clock-frequency = <400000>;
> - mediatek,have-pmic;
> - clock-div = <16>;
> - clocks = <&i2c0_ck>, <&ap_dma_ck>;
> - clock-names = "main", "dma";
> - };
> -
> diff --git a/Documentation/devicetree/bindings/i2c/i2c-mt65xx.yaml b/Documentation/devicetree/bindings/i2c/i2c-mt65xx.yaml
> new file mode 100644
> index 000000000000..0f445d2ab727
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/i2c/i2c-mt65xx.yaml
> @@ -0,0 +1,97 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: "http://devicetree.org/schemas/i2c/i2c-mt65xx.yaml#"
> +$schema: "http://devicetree.org/meta-schemas/core.yaml#"
> +
> +title: MediaTek I2C Controller
> +
> +maintainers:
> + - Qii Wang <qii.wang@mediatek.com>
> + - Matthias Brugger <matthias.bgg@gmail.com>
> +
> +allOf:
> + - $ref: /schemas/i2c/i2c-controller.yaml#
> +
> +properties:
> + $nodename:
> + pattern: "^i2c[0-9]*@[0-9a-f]+$"
Drop '[0-9]*'. The base name should be just 'i2c'.
> +
> + compatible:
> + oneOf:
> + - enum:
> + - mediatek,mt2712-i2c
> + - mediatek,mt6577-i2c
> + - mediatek,mt6589-i2c
> + - mediatek,mt7622-i2c
> + - mediatek,mt8173-i2c
> + - mediatek,mt8183-i2c
> + - mediatek,mt8192-i2c
> + - items:
> + - const: mediatek,mt2701-i2c
> + - const: mediatek,mt6577-i2c
> + - items:
> + - const: mediatek,mt6797-i2c
> + - const: mediatek,mt6577-i2c
> + - items:
> + - const: mediatek,mt7623-i2c
> + - const: mediatek,mt6577-i2c
> + - items:
> + - const: mediatek,mt7629-i2c
> + - const: mediatek,mt2712-i2c
> + - items:
> + - const: mediatek,mt8516-i2c
> + - const: mediatek,mt2712-i2c
This can be simplified a bit like the other binding.
> +
> + clocks:
> + minItems: 2
> + maxItems: 4
> + items:
> + - description: Controller clock
> + - description: DMA clock
> + - description: ARB clock for multi-master when a bus has more than
> + one i2c controllers
> + - description: PMIC clock. Only when mediatek,have-pmic is set.
> +
> + clock-names:
> + minItems: 2
> + maxItems: 4
> + items:
> + - const: main
> + - const: dma
> + - const: arb
> + - const: pmic
> +
> + mediatek,have-pmic:
> + $ref: /schemas/types.yaml#/definitions/flag
> + description: Platform can control I2C from the PMIC
> +
> + mediatek,use-push-pull:
> + $ref: /schemas/types.yaml#/definitions/flag
> + description: IO config use push-pull mode.
> +
> +required:
> + - compatible
> + - reg
> + - interrupts
> + - clocks
> + - clock-names
> + - clock-div
> +
> +unevaluatedProperties: false
> +
> +examples:
> + - |
> + #include <dt-bindings/interrupt-controller/irq.h>
> + #include <dt-bindings/interrupt-controller/arm-gic.h>
> + i2c0: i2c@1100d000 {
> + compatible = "mediatek,mt6577-i2c";
> + reg = <0x1100d000 0x70>,
> + <0x11000300 0x80>;
> + interrupts = <GIC_SPI 44 IRQ_TYPE_LEVEL_LOW>;
> + clock-frequency = <400000>;
> + mediatek,have-pmic;
> + clock-div = <16>;
> + clocks = <&i2c0_ck>, <&ap_dma_ck>;
> + clock-names = "main", "dma";
> + };
> --
> 2.31.1
>
prev parent reply other threads:[~2021-05-20 0:01 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-18 14:55 [PATCH 1/3] dt-bindings: i2c: i2c-mt65xx: convert doc to yaml schema format Fabien Parent
2021-05-18 14:55 ` [PATCH 2/3] dt-bindings: i2c: i2c-mt65xx: add binding for MT8365 SoC Fabien Parent
2021-05-20 0:01 ` Rob Herring
2021-05-18 14:55 ` [PATCH 3/3] i2c: i2c-mt65xx: add MT8365 SoC support Fabien Parent
2021-05-20 0:01 ` Rob Herring [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20210520000132.GA3914592@robh.at.kernel.org \
--to=robh@kernel.org \
--cc=devicetree@vger.kernel.org \
--cc=fparent@baylibre.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-i2c@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mediatek@lists.infradead.org \
--cc=matthias.bgg@gmail.com \
--cc=mkorpershoek@baylibre.com \
--cc=qii.wang@mediatek.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).