| Message ID | 20250227184058.2964204-3-jonas@kwiboo.se (mailing list archive) |
|---|---|
| State | Accepted |
| Headers | show |
| Series | rockchip: Add support for maskrom button on Radxa E20C | expand |
Am Donnerstag, 27. Februar 2025, 19:40:51 MEZ schrieb Jonas Karlman: > The Successive Approximation ADC (SARADC) in RK3528 uses the v2 > controller and support: > - 10-bit resolution > - Up to 1MS/s sampling rate > - 4 single-ended input channels > - Current consumption: 0.5mA @ 1MS/s > > Add support for the 4 channels of 10-bit resolution supported by SARADC > in RK3528. > > Signed-off-by: Jonas Karlman <jonas@kwiboo.se> Reviewed-by: Heiko Stuebner <heiko@sntech.de>
On Tue, 04 Mar 2025 12:51:47 +0100 Heiko Stübner <heiko@sntech.de> wrote: > Am Donnerstag, 27. Februar 2025, 19:40:51 MEZ schrieb Jonas Karlman: > > The Successive Approximation ADC (SARADC) in RK3528 uses the v2 > > controller and support: > > - 10-bit resolution > > - Up to 1MS/s sampling rate > > - 4 single-ended input channels > > - Current consumption: 0.5mA @ 1MS/s > > > > Add support for the 4 channels of 10-bit resolution supported by SARADC > > in RK3528. > > > > Signed-off-by: Jonas Karlman <jonas@kwiboo.se> > > Reviewed-by: Heiko Stuebner <heiko@sntech.de> > > Not sure why but I can't reply to cover letter. Anyhow, replying here instead. Applied patches 1-2 to iio.git / togreg which I'll push out a testing for 0-day to poke at it. Thanks, Jonathan >
diff --git a/drivers/iio/adc/rockchip_saradc.c b/drivers/iio/adc/rockchip_saradc.c index a29e54754c8f..2619547d5d6f 100644 --- a/drivers/iio/adc/rockchip_saradc.c +++ b/drivers/iio/adc/rockchip_saradc.c @@ -275,6 +275,21 @@ static const struct rockchip_saradc_data rk3399_saradc_data = { .power_down = rockchip_saradc_power_down_v1, }; +static const struct iio_chan_spec rockchip_rk3528_saradc_iio_channels[] = { + SARADC_CHANNEL(0, "adc0", 10), + SARADC_CHANNEL(1, "adc1", 10), + SARADC_CHANNEL(2, "adc2", 10), + SARADC_CHANNEL(3, "adc3", 10), +}; + +static const struct rockchip_saradc_data rk3528_saradc_data = { + .channels = rockchip_rk3528_saradc_iio_channels, + .num_channels = ARRAY_SIZE(rockchip_rk3528_saradc_iio_channels), + .clk_rate = 1000000, + .start = rockchip_saradc_start_v2, + .read = rockchip_saradc_read_v2, +}; + static const struct iio_chan_spec rockchip_rk3568_saradc_iio_channels[] = { SARADC_CHANNEL(0, "adc0", 10), SARADC_CHANNEL(1, "adc1", 10), @@ -324,6 +339,9 @@ static const struct of_device_id rockchip_saradc_match[] = { }, { .compatible = "rockchip,rk3399-saradc", .data = &rk3399_saradc_data, + }, { + .compatible = "rockchip,rk3528-saradc", + .data = &rk3528_saradc_data, }, { .compatible = "rockchip,rk3568-saradc", .data = &rk3568_saradc_data,
The Successive Approximation ADC (SARADC) in RK3528 uses the v2 controller and support: - 10-bit resolution - Up to 1MS/s sampling rate - 4 single-ended input channels - Current consumption: 0.5mA @ 1MS/s Add support for the 4 channels of 10-bit resolution supported by SARADC in RK3528. Signed-off-by: Jonas Karlman <jonas@kwiboo.se> --- drivers/iio/adc/rockchip_saradc.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+)