linux-kernel - Re: [RESEND PATCH] rtc: sun6i: add support for R329 RTC

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Message-ID: <5026101.q0ZmV6gNhb@phil>
Date:   Fri, 01 Jul 2022 15:00:28 +0200
From:   Heiko Stuebner <heiko@...ech.de>
To:     Alessandro Zummo <a.zummo@...ertech.it>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        linux-arm-kernel@...ts.infradead.org
Cc:     Icenowy Zheng <icenowy@...c.io>,
        Samuel Holland <samuel@...lland.org>,
        Chen-Yu Tsai <wens@...e.org>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-rtc@...r.kernel.org, linux-sunxi@...ts.linux.dev,
        Samuel Holland <samuel@...lland.org>
Subject: Re: [RESEND PATCH] rtc: sun6i: add support for R329 RTC

Am Sonntag, 26. Juni 2022, 06:27:56 CEST schrieb Samuel Holland:
> From: Icenowy Zheng <icenowy@...c.io>
> 
> Allwinner R329 has a RTC with a similar time storage with H616 but a
> slightly different clock part.
> 
> As we have already handled the R329 RTC clocks in the CCU driver, add a
> compatible string to RTC driver to allow probing of the RTC.
> 
> Signed-off-by: Icenowy Zheng <icenowy@...c.io>
> Signed-off-by: Samuel Holland <samuel@...lland.org>

On a D1-Nezha
Tested-by: Heiko Stuebner <heiko@...ech.de>

Reviewed-by: Heiko Stuebner <heiko@...ech.de>

> ---
> Resending this patch separately from Icenowy's R329 series[1] because it
> is also needed for D1 (which has R329 as its fallback compatible[2]), so
> I would like to get it in to 5.20.
> 
> [1]: https://lore.kernel.org/lkml/BYAPR20MB2472C608678F3FAEDA7B7541BCF79@BYAPR20MB2472.namprd20.prod.outlook.com/
> [2]: https://lore.kernel.org/lkml/20220203021736.13434-3-samuel@sholland.org/
> 
>  drivers/rtc/rtc-sun6i.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/rtc/rtc-sun6i.c b/drivers/rtc/rtc-sun6i.c
> index 57540727ce1c..ed5516089e9a 100644
> --- a/drivers/rtc/rtc-sun6i.c
> +++ b/drivers/rtc/rtc-sun6i.c
> @@ -875,6 +875,8 @@ static const struct of_device_id sun6i_rtc_dt_ids[] = {
>  	{ .compatible = "allwinner,sun50i-h6-rtc" },
>  	{ .compatible = "allwinner,sun50i-h616-rtc",
>  		.data = (void *)RTC_LINEAR_DAY },
> +	{ .compatible = "allwinner,sun50i-r329-rtc",
> +		.data = (void *)RTC_LINEAR_DAY },
>  	{ /* sentinel */ },
>  };
>  MODULE_DEVICE_TABLE(of, sun6i_rtc_dt_ids);
>