2023-11-21 07:50:31

by George Stark

Subject: [PATCH] iio: adc: meson: add separate config for axg SoC family

According to Amlogic custom kernels ADC of axg SoC family requires
unique number of setting so add dedicated config for it.

Signed-off-by: George Stark <[email protected]>
---
drivers/iio/adc/meson_saradc.c | 16 +++++++++++++++-
1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/drivers/iio/adc/meson_saradc.c b/drivers/iio/adc/meson_saradc.c
index db280da9edbf..34555a85f131 100644
--- a/drivers/iio/adc/meson_saradc.c
+++ b/drivers/iio/adc/meson_saradc.c
@@ -1242,6 +1242,20 @@ static const struct meson_sar_adc_param meson_sar_adc_gxl_param = {
.cmv_select = 1,
};

+static const struct meson_sar_adc_param meson_sar_adc_axg_param = {
+ .has_bl30_integration = true,
+ .clock_rate = 1200000,
+ .bandgap_reg = MESON_SAR_ADC_REG11,
+ .regmap_config = &meson_sar_adc_regmap_config_gxbb,
+ .resolution = 12,
+ .disable_ring_counter = 1,
+ .has_reg11 = true,
+ .vref_volatge = 1,
+ .has_vref_select = true,
+ .vref_select = VREF_VDDA,
+ .cmv_select = 1,
+};
+
static const struct meson_sar_adc_param meson_sar_adc_g12a_param = {
.has_bl30_integration = false,
.clock_rate = 1200000,
@@ -1286,7 +1300,7 @@ static const struct meson_sar_adc_data meson_sar_adc_gxm_data = {
};

static const struct meson_sar_adc_data meson_sar_adc_axg_data = {
- .param = &meson_sar_adc_gxl_param,
+ .param = &meson_sar_adc_axg_param,
.name = "meson-axg-saradc",
};

--
2.38.4

2023-11-21 11:08:47

by Neil Armstrong

Subject: Re: [PATCH] iio: adc: meson: add separate config for axg SoC family

On 21/11/2023 08:50, George Stark wrote:
> According to Amlogic custom kernels ADC of axg SoC family requires
> unique number of setting so add dedicated config for it.

Please rephrase precising AXG has vref_select and requires this setting
to work nominally and thus requires a separate config.

With this:
Reviewed-by: Neil Armstrong <[email protected]>

>
> Signed-off-by: George Stark <[email protected]>
> ---
> drivers/iio/adc/meson_saradc.c | 16 +++++++++++++++-
> 1 file changed, 15 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/iio/adc/meson_saradc.c b/drivers/iio/adc/meson_saradc.c
> index db280da9edbf..34555a85f131 100644
> --- a/drivers/iio/adc/meson_saradc.c
> +++ b/drivers/iio/adc/meson_saradc.c
> @@ -1242,6 +1242,20 @@ static const struct meson_sar_adc_param meson_sar_adc_gxl_param = {
> .cmv_select = 1,
> };
>
> +static const struct meson_sar_adc_param meson_sar_adc_axg_param = {
> + .has_bl30_integration = true,
> + .clock_rate = 1200000,
> + .bandgap_reg = MESON_SAR_ADC_REG11,
> + .regmap_config = &meson_sar_adc_regmap_config_gxbb,
> + .resolution = 12,
> + .disable_ring_counter = 1,
> + .has_reg11 = true,
> + .vref_volatge = 1,
> + .has_vref_select = true,
> + .vref_select = VREF_VDDA,
> + .cmv_select = 1,
> +};
> +
> static const struct meson_sar_adc_param meson_sar_adc_g12a_param = {
> .has_bl30_integration = false,
> .clock_rate = 1200000,
> @@ -1286,7 +1300,7 @@ static const struct meson_sar_adc_data meson_sar_adc_gxm_data = {
> };
>
> static const struct meson_sar_adc_data meson_sar_adc_axg_data = {
> - .param = &meson_sar_adc_gxl_param,
> + .param = &meson_sar_adc_axg_param,
> .name = "meson-axg-saradc",
> };
>