Re: [PATCH v6 3/4] media: i2c: add MAX96717 driver

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Hi Julien,

Thanks for the update.

Could you also cc me to the possible further updates, please?

On Mon, Mar 25, 2024 at 02:16:33PM +0100, Julien Massot wrote:
> This driver handles the MAX96717 serializer in tunnel mode.
> All incoming CSI traffic will be tunneled through the GMSL2
> link.
> 
> The MAX96717 driver can handle MAX96717 and MAX96717F variants
> with the same "maxim,max96717f" compatible.
> 
> Signed-off-by: Julien Massot <julien.massot@xxxxxxxxxxxxx>
> ---
> Change since v5:
>  - set the driver compatible back to MAX96717F that can be used as a fallback for MAX96717
> 
> Change since v4:
>  - make the driver compatible with MAX96717 instead of MAX96717F
>  - Add the device id for the MAX96717
>  - remove hw_data structure for now, it can be usefull later for handling different serializers e.g max9295
> 
> Change since v3:
>  - Maintainers: align to the new binding path
>  - Kconfig: better describe the symbol
>  - store the v4l2_mbus_config_mipi_csi2 structure instead of the full endpoint in the driver private structure
>  - use MAX96717_PAD_SINK/SOURCE instead of 0/1 for pad intialization
>  - Removed incorrect call to fwnode_handle_put(priv->sd.fwnode)
>  - Use unsigned int instead of u8
>  - Allocate clk name out of the clk struct initialization
>  - fixed multiline comment
>  - Removed one unnecessary goto at the end of the probe function
> 
> Change since v2:
>  - Use CCI helpers instead of recoding register access
>  - add missing bitfield header
> ---
>  MAINTAINERS                  |   7 +
>  drivers/media/i2c/Kconfig    |  14 +
>  drivers/media/i2c/Makefile   |   1 +
>  drivers/media/i2c/max96717.c | 934 +++++++++++++++++++++++++++++++++++
>  4 files changed, 956 insertions(+)
>  create mode 100644 drivers/media/i2c/max96717.c
> 
> diff --git a/MAINTAINERS b/MAINTAINERS
> index b43102ca365d..c43088157f6d 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -13277,6 +13277,13 @@ S:	Maintained
>  F:	Documentation/devicetree/bindings/media/i2c/maxim,max96712.yaml
>  F:	drivers/staging/media/max96712/max96712.c
>  
> +MAX96717 GMSL2 SERIALIZER DRIVER
> +M:	Julien Massot <julien.massot@xxxxxxxxxxxxx>
> +L:	linux-media@xxxxxxxxxxxxxxx
> +S:	Maintained
> +F:	Documentation/devicetree/bindings/media/i2c/maxim,max96717.yaml
> +F:	drivers/media/i2c/max96717.c
> +
>  MAX9860 MONO AUDIO VOICE CODEC DRIVER
>  M:	Peter Rosin <peda@xxxxxxxxxx>
>  L:	alsa-devel@xxxxxxxxxxxxxxxx (moderated for non-subscribers)
> diff --git a/drivers/media/i2c/Kconfig b/drivers/media/i2c/Kconfig
> index 56f276b920ab..1a99396edbcf 100644
> --- a/drivers/media/i2c/Kconfig
> +++ b/drivers/media/i2c/Kconfig
> @@ -1573,6 +1573,20 @@ config VIDEO_DS90UB960
>  	  Device driver for the Texas Instruments DS90UB960
>  	  FPD-Link III Deserializer and DS90UB9702 FPD-Link IV Deserializer.
>  
> +config VIDEO_MAX96717
> +	tristate "Maxim MAX96717 GMSL2 Serializer support"
> +	depends on OF && I2C && VIDEO_DEV && COMMON_CLK
> +	select I2C_MUX
> +	select GPIOLIB
> +	select V4L2_CCI_I2C

I think you'll also need MEDIA_CONTROLLER, VIDEO_V4L2_SUBDEV_API and
V4L2_FWNODE.

> +	help
> +	  Device driver for the Maxim MAX96717 GMSL2 Serializer.
> +	  MAX96717 serializers convert video on a MIPI CSI-2
> +	  input to a GMSL2 output.
> +
> +	  To compile this driver as a module, choose M here: the
> +	  module will be called max96717.
> +
>  endmenu
>  
>  endif # VIDEO_DEV

-- 
Kind regards,

Sakari Ailus




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