From: Wolfram Sang <wsa+renesas@sang-engineering.com>
To: linux-renesas-soc@vger.kernel.org
Cc: Miquel Raynal <miquel.raynal@bootlin.com>,
Alexandre Belloni <alexandre.belloni@bootlin.com>,
linux-rtc@vger.kernel.org
Subject: Re: [RFC PATCH 3/4] rtc: rzn1: support input frequencies other than 32768Hz
Date: Thu, 13 Mar 2025 12:29:21 +0100 [thread overview]
Message-ID: <Z9LBkftPH5w7do6j@shikoro> (raw)
In-Reply-To: <20250313102546.27335-4-wsa+renesas@sang-engineering.com>
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> + if (rate != 32768)
> + use_scmp = RZN1_RTC_CTL0_SLSB_SCMP;
> + }
> +
> + if (use_scmp) {
> + writel(rate - 1, rtc->base + RZN1_RTC_SCMP);
We need to stop the RTC before writing to this register and setting the
RZN1_RTC_CTL0_SLSB_SCMP bit. I will include this in the next version.
Does not affect the big picture for these changes, though.
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next prev parent reply other threads:[~2025-03-13 11:29 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-13 10:25 [RFC PATCH 0/4] rtc: rzn1: support XTAL clk and SCMP method Wolfram Sang
2025-03-13 10:25 ` [RFC PATCH 1/4] dt-bindings: rtc: rzn1: add optional second clock Wolfram Sang
2025-03-14 8:41 ` Krzysztof Kozlowski
2025-03-14 8:54 ` Wolfram Sang
2025-03-13 10:25 ` [RFC PATCH 2/4] ARM: dts: renesas: r9a06g032: add second clock input to RTC Wolfram Sang
2025-04-10 15:32 ` Geert Uytterhoeven
2025-03-13 10:25 ` [RFC PATCH 3/4] rtc: rzn1: support input frequencies other than 32768Hz Wolfram Sang
2025-03-13 11:29 ` Wolfram Sang [this message]
2025-03-13 10:25 ` [RFC PATCH 4/4] WIP rtc: rzn1: add driver support for R-Car Gen5 Wolfram Sang
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