On 2025/4/8 06:46, Jonas Karlman wrote:
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 <jo...@kwiboo.se>
Reviewed-by: Kever Yang <kever.y...@rock-chips.com> Thanks, - Kever
--- v2: New patch --- drivers/adc/rockchip-saradc.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/adc/rockchip-saradc.c b/drivers/adc/rockchip-saradc.c index 7cf9735f60d0..1515951403c9 100644 --- a/drivers/adc/rockchip-saradc.c +++ b/drivers/adc/rockchip-saradc.c @@ -339,6 +339,14 @@ static const struct rockchip_saradc_data rk3399_saradc_data = { .stop = rockchip_saradc_stop_v1, };+static const struct rockchip_saradc_data rk3528_saradc_data = {+ .num_bits = 10, + .num_channels = 4, + .clk_rate = 1000000, + .channel_data = rockchip_saradc_channel_data_v2, + .start_channel = rockchip_saradc_start_channel_v2, +}; + static const struct rockchip_saradc_data rk3588_saradc_data = { .num_bits = 12, .num_channels = 8, @@ -354,6 +362,8 @@ static const struct udevice_id rockchip_saradc_ids[] = { .data = (ulong)&rk3066_tsadc_data }, { .compatible = "rockchip,rk3399-saradc", .data = (ulong)&rk3399_saradc_data }, + { .compatible = "rockchip,rk3528-saradc", + .data = (ulong)&rk3528_saradc_data }, { .compatible = "rockchip,rk3588-saradc", .data = (ulong)&rk3588_saradc_data }, { }
