linux-kernel - Re: [PATCH v11] drm/bridge: add it6505 driver

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Date:   Thu, 20 Jan 2022 16:25:53 +0100
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
To:     allen <allen.chen@....com.tw>
Cc:     Kenneth Hung <Kenneth.Hung@....com.tw>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        Jau-Chih Tseng <Jau-Chih.Tseng@....com.tw>,
        David Airlie <airlied@...ux.ie>,
        "open list:DRM DRIVERS" <dri-devel@...ts.freedesktop.org>,
        Neil Armstrong <narmstrong@...libre.com>,
        open list <linux-kernel@...r.kernel.org>,
        Robert Foss <robert.foss@...aro.org>,
        Jonas Karlman <jonas@...boo.se>,
        Hermes Wu <hermes.wu@....com.tw>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        Andrzej Hajda <andrzej.hajda@...el.com>,
        Hsin-yi Wang <hsinyi@...omium.org>,
        Hsin-Yi Wang <hsinyi@...gle.com>
Subject: Re: [PATCH v11] drm/bridge: add it6505 driver

Il 14/01/22 10:14, allen ha scritto:
> This adds support for the iTE IT6505.
> This device can convert DPI signal to DP output.
> 
> From: Allen Chen <allen.chen@....com.tw>
> Tested-by: Hsin-yi Wang <hsinyi@...omium.org>
> Signed-off-by: Hermes Wu <hermes.wu@....com.tw>
> Signed-off-by: Allen Chen <allen.chen@....com.tw>
> ---
> v10 -> v11 : remove drm_bridge_new_crtc_state
> ---
>   drivers/gpu/drm/bridge/Kconfig      |    8 +
>   drivers/gpu/drm/bridge/Makefile     |    1 +
>   drivers/gpu/drm/bridge/ite-it6505.c | 3352 +++++++++++++++++++++++++++
>   3 files changed, 3361 insertions(+)
>   create mode 100644 drivers/gpu/drm/bridge/ite-it6505.c
> 

...snip...

> +static const struct of_device_id it6505_of_match[] = {
> +	{ .compatible = "ite,it6505" },
> +	{ }
> +};

If you want to have a DT compatible and DT properties, you have to also add
dt-bindings (yaml) for this driver, otherwise, any SoC/device DT will fail
the dt binding check.... So, please, add that.

For the driver by itself, though:

Acked-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>

> +
> +static struct i2c_driver it6505_i2c_driver = {
> +	.driver = {
> +		.name = "it6505",
> +		.of_match_table = it6505_of_match,
> +		.pm = &it6505_bridge_pm_ops,
> +	},
> +	.probe = it6505_i2c_probe,
> +	.remove = it6505_i2c_remove,
> +	.shutdown = it6505_shutdown,
> +	.id_table = it6505_id,
> +};
> +
> +module_i2c_driver(it6505_i2c_driver);
> +
> +MODULE_AUTHOR("Allen Chen <allen.chen@....com.tw>");
> +MODULE_DESCRIPTION("IT6505 DisplayPort Transmitter driver");
> +MODULE_LICENSE("GPL v2");
>