On Fri, 2 Jul 2021 10:15:27 +0800 Simon Xue <xxm@xxxxxxxxxxxxxx> wrote: A small amount of info on the device is always useful in a commit like this. Here, perhaps you could call out that it is similar to some other device, but with 8 channels? Otherwise, looks good to me. DT patch is fine as well. I'll let them sit a little longer though to give others time to comment. The dtsi change requested by Johan goes via a different tree anyway so doesn't need to be part of this series. Jonathan > Signed-off-by: Simon Xue <xxm@xxxxxxxxxxxxxx> > --- > drivers/iio/adc/rockchip_saradc.c | 22 +++++++++++++++++++++- > 1 file changed, 21 insertions(+), 1 deletion(-) > > diff --git a/drivers/iio/adc/rockchip_saradc.c b/drivers/iio/adc/rockchip_saradc.c > index 12584f1631d8..f3eb8d2e50dc 100644 > --- a/drivers/iio/adc/rockchip_saradc.c > +++ b/drivers/iio/adc/rockchip_saradc.c > @@ -35,7 +35,7 @@ > #define SARADC_DLY_PU_SOC_MASK 0x3f > > #define SARADC_TIMEOUT msecs_to_jiffies(100) > -#define SARADC_MAX_CHANNELS 6 > +#define SARADC_MAX_CHANNELS 8 > > struct rockchip_saradc_data { > const struct iio_chan_spec *channels; > @@ -192,6 +192,23 @@ static const struct rockchip_saradc_data rk3399_saradc_data = { > .clk_rate = 1000000, > }; > > +static const struct iio_chan_spec rockchip_rk3568_saradc_iio_channels[] = { > + SARADC_CHANNEL(0, "adc0", 10), > + SARADC_CHANNEL(1, "adc1", 10), > + SARADC_CHANNEL(2, "adc2", 10), > + SARADC_CHANNEL(3, "adc3", 10), > + SARADC_CHANNEL(4, "adc4", 10), > + SARADC_CHANNEL(5, "adc5", 10), > + SARADC_CHANNEL(6, "adc6", 10), > + SARADC_CHANNEL(7, "adc7", 10), > +}; > + > +static const struct rockchip_saradc_data rk3568_saradc_data = { > + .channels = rockchip_rk3568_saradc_iio_channels, > + .num_channels = ARRAY_SIZE(rockchip_rk3568_saradc_iio_channels), > + .clk_rate = 1000000, > +}; > + > static const struct of_device_id rockchip_saradc_match[] = { > { > .compatible = "rockchip,saradc", > @@ -202,6 +219,9 @@ static const struct of_device_id rockchip_saradc_match[] = { > }, { > .compatible = "rockchip,rk3399-saradc", > .data = &rk3399_saradc_data, > + }, { > + .compatible = "rockchip,rk3568-saradc", > + .data = &rk3568_saradc_data, > }, > {}, > };