linux-kernel - Re: [PATCH 12/14] iio: adc: rzg2l_adc: Add support for Renesas RZ/G3S

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Message-ID: <20241203220804.3f3aa177@jic23-huawei>
Date: Tue, 3 Dec 2024 22:08:04 +0000
From: Jonathan Cameron <jic23@...nel.org>
To: Claudiu <claudiu.beznea@...on.dev>
Cc: prabhakar.mahadev-lad.rj@...renesas.com, lars@...afoo.de,
 robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org,
 geert+renesas@...der.be, magnus.damm@...il.com, mturquette@...libre.com,
 sboyd@...nel.org, p.zabel@...gutronix.de, linux-iio@...r.kernel.org,
 linux-renesas-soc@...r.kernel.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org, Claudiu Beznea
 <claudiu.beznea.uj@...renesas.com>
Subject: Re: [PATCH 12/14] iio: adc: rzg2l_adc: Add support for Renesas
 RZ/G3S

On Tue,  3 Dec 2024 13:13:12 +0200
Claudiu <claudiu.beznea@...on.dev> wrote:

> From: Claudiu Beznea <claudiu.beznea.uj@...renesas.com>
> 
> Add ADC support for the Renesas RZ/G3S SoC. The key features of this IP
> include:
> - 9 channels, with one dedicated to reading the temperature reported by the
>   Thermal Sensor Unit (TSU)
> - A different default ADCMP value, which is written to the ADM3 register.
> - Different default sampling rates
> - ADM3.ADSMP field is 8 bits wide
> - ADINT.INTEN field is 11 bits wide
> 
> Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@...renesas.com>
Hi Claudia,

This one and the others I haven't comment on look good to me.

Thanks,

Jonathan

> ---
>  drivers/iio/adc/rzg2l_adc.c | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> diff --git a/drivers/iio/adc/rzg2l_adc.c b/drivers/iio/adc/rzg2l_adc.c
> index 634073e7241f..dd2ef8203966 100644
> --- a/drivers/iio/adc/rzg2l_adc.c
> +++ b/drivers/iio/adc/rzg2l_adc.c
> @@ -525,7 +525,16 @@ static const struct rzg2l_adc_hw_params rzg2l_hw_params = {
>  	.adivc = true
>  };
>  
> +static const struct rzg2l_adc_hw_params rzg3s_hw_params = {
> +	.num_channels = 9,
> +	.default_adcmp = 0x1d,
> +	.default_adsmp = { 0x7f, 0xff },
> +	.adsmp_mask = GENMASK(7, 0),
> +	.adint_inten_mask = GENMASK(11, 0),
> +};
> +
>  static const struct of_device_id rzg2l_adc_match[] = {
> +	{ .compatible = "renesas,r9a08g045-adc", .data = &rzg3s_hw_params },
>  	{ .compatible = "renesas,rzg2l-adc", .data = &rzg2l_hw_params },
>  	{ /* sentinel */ }
>  };