| Message ID | 20221114-narmstrong-sm8550-upstream-i2c-master-hub-v1-4-64449106a148@linaro.org |
|---|---|
| State | Superseded |
| Headers | show |
| Series | soc: qcom: add support for the I2C Master Hub | expand |
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 clock list for the I2C Master Hub variant to a new desc > struct then passes it through the I2C Master Hub compatible match data. > > Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> > --- Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org> Konrad > drivers/soc/qcom/qcom-geni-se.c | 10 ++++++++++ > 1 file changed, 10 insertions(+) > > diff --git a/drivers/soc/qcom/qcom-geni-se.c b/drivers/soc/qcom/qcom-geni-se.c > index f4f54d92a01a..8430a0192bb9 100644 > --- a/drivers/soc/qcom/qcom-geni-se.c > +++ b/drivers/soc/qcom/qcom-geni-se.c > @@ -930,8 +930,18 @@ static const struct geni_se_desc qup_desc = { > .num_clks = ARRAY_SIZE(qup_clks), > }; > > +static const char * const i2c_master_hub_clks[] = { > + "s-ahb", > +}; > + > +static const struct geni_se_desc i2c_master_hub_desc = { > + .clks = i2c_master_hub_clks, > + .num_clks = ARRAY_SIZE(i2c_master_hub_clks), > +}; > + > static const struct of_device_id geni_se_dt_match[] = { > { .compatible = "qcom,geni-se-qup", .data = &qup_desc }, > + { .compatible = "qcom,geni-se-i2c-master-hub", .data = &i2c_master_hub_desc }, > {} > }; > MODULE_DEVICE_TABLE(of, geni_se_dt_match); >
diff --git a/drivers/soc/qcom/qcom-geni-se.c b/drivers/soc/qcom/qcom-geni-se.c index f4f54d92a01a..8430a0192bb9 100644 --- a/drivers/soc/qcom/qcom-geni-se.c +++ b/drivers/soc/qcom/qcom-geni-se.c @@ -930,8 +930,18 @@ static const struct geni_se_desc qup_desc = { .num_clks = ARRAY_SIZE(qup_clks), }; +static const char * const i2c_master_hub_clks[] = { + "s-ahb", +}; + +static const struct geni_se_desc i2c_master_hub_desc = { + .clks = i2c_master_hub_clks, + .num_clks = ARRAY_SIZE(i2c_master_hub_clks), +}; + static const struct of_device_id geni_se_dt_match[] = { { .compatible = "qcom,geni-se-qup", .data = &qup_desc }, + { .compatible = "qcom,geni-se-i2c-master-hub", .data = &i2c_master_hub_desc }, {} }; MODULE_DEVICE_TABLE(of, geni_se_dt_match);
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 clock list for the I2C Master Hub variant to a new desc struct then passes it through the I2C Master Hub compatible match data. Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> --- drivers/soc/qcom/qcom-geni-se.c | 10 ++++++++++ 1 file changed, 10 insertions(+)