Re: [PATCH 6/6] i2c: qcom-geni: add support for I2C Master Hub variant

[Konrad Dybcio]

On 16/11/2022 11:21, Neil Armstrong wrote:
> The I2C Master Hub is a stripped down version of the GENI Serial Engine
> QUP Wrapper Controller but only supporting I2C serial engines without
> DMA support.
>
> This adds the I2C Master Hub serial engine compatible along the
> specific requirements in a new desc struct passed throug the device
> match data.
>
> Signed-off-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx>
> ---
Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>

Konrad
>   drivers/i2c/busses/i2c-qcom-geni.c | 8 ++++++++
>   1 file changed, 8 insertions(+)
>
> diff --git a/drivers/i2c/busses/i2c-qcom-geni.c b/drivers/i2c/busses/i2c-qcom-geni.c
> index 75dd0718c5a1..bfe75038bc14 100644
> --- a/drivers/i2c/busses/i2c-qcom-geni.c
> +++ b/drivers/i2c/busses/i2c-qcom-geni.c
> @@ -1026,8 +1026,16 @@ static const struct dev_pm_ops geni_i2c_pm_ops = {
>   									NULL)
>   };
>   
> +const struct geni_i2c_desc i2c_master_hub = {
> +	.has_core_clk = true,
> +	.icc_ddr = NULL,
> +	.no_dma_support = true,
> +	.tx_fifo_depth = 16,
> +};
> +
>   static const struct of_device_id geni_i2c_dt_match[] = {
>   	{ .compatible = "qcom,geni-i2c" },
> +	{ .compatible = "qcom,geni-i2c-master-hub", .data = &i2c_master_hub },
>   	{}
>   };
>   MODULE_DEVICE_TABLE(of, geni_i2c_dt_match);