Messages in this thread | | | Date | Wed, 16 Nov 2022 11:38:29 +0100 | Subject | Re: [PATCH 6/6] i2c: qcom-geni: add support for I2C Master Hub variant | From | Konrad Dybcio <> |
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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@linaro.org> > --- Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
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); >
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