linux-kernel - Re: [PATCH v2 3/3] Input: sun4i-lradc-keys: Add support for R329 and D1

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Message-ID: <2097461.irdbgypaU6@jernej-laptop>
Date:   Fri, 15 Apr 2022 20:21:34 +0200
From:   Jernej Škrabec <jernej.skrabec@...il.com>
To:     Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Hans de Goede <hdegoede@...hat.com>,
        Samuel Holland <samuel@...lland.org>
Cc:     Samuel Holland <samuel@...lland.org>,
        Maxime Ripard <maxime@...no.tech>,
        Rob Herring <robh@...nel.org>, Chen-Yu Tsai <wens@...e.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Maxime Ripard <mripard@...nel.org>,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-input@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-sunxi@...ts.linux.dev
Subject: Re: [PATCH v2 3/3] Input: sun4i-lradc-keys: Add support for R329 and D1

Dne četrtek, 14. april 2022 ob 02:23:48 CEST je Samuel Holland napisal(a):
> This LRADC variant uses the same 3/4*AVCC reference voltage as the A83T
> variant. The R329 and D1 LRADCs appear to be identical, so D1 support is
> accomplished through having the R329 LRADC as a fallback compatible.
> 
> Signed-off-by: Samuel Holland <samuel@...lland.org>

Acked-by: Jernej Skrabec <jernej.skrabec@...il.com>

Best regards,
Jernej

> ---
> 
> Changes in v2:
>  - Set the new flag for the R329 variant.
> 
>  drivers/input/keyboard/sun4i-lradc-keys.c | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/drivers/input/keyboard/sun4i-lradc-keys.c
> b/drivers/input/keyboard/sun4i-lradc-keys.c index
> 5630334a6c09..8f9bfb05244d 100644
> --- a/drivers/input/keyboard/sun4i-lradc-keys.c
> +++ b/drivers/input/keyboard/sun4i-lradc-keys.c
> @@ -78,6 +78,12 @@ static const struct lradc_variant r_lradc_variant_a83t =
> { .divisor_denominator = 4
>  };
> 
> +static const struct lradc_variant lradc_variant_r329 = {
> +	.divisor_numerator = 3,
> +	.divisor_denominator = 4,
> +	.has_clock_reset = true,
> +};
> +
>  struct sun4i_lradc_keymap {
>  	u32 voltage;
>  	u32 keycode;
> @@ -323,6 +329,8 @@ static const struct of_device_id sun4i_lradc_of_match[]
> = { .data = &lradc_variant_a10 },
>  	{ .compatible = "allwinner,sun8i-a83t-r-lradc",
>  		.data = &r_lradc_variant_a83t },
> +	{ .compatible = "allwinner,sun50i-r329-lradc",
> +		.data = &lradc_variant_r329 },
>  	{ /* sentinel */ }
>  };
>  MODULE_DEVICE_TABLE(of, sun4i_lradc_of_match);