From: "Jernej Škrabec" <jernej.skrabec@gmail.com>
To: linux-sunxi@googlegroups.com, megous@megous.com
Cc: Alessandro Zummo <a.zummo@towertech.it>,
Alexandre Belloni <alexandre.belloni@bootlin.com>,
Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Maxime Ripard <maxime.ripard@bootlin.com>,
Chen-Yu Tsai <wens@csie.org>,
linux-rtc@vger.kernel.org, devicetree@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [linux-sunxi] [PATCH v2 0/3] Add basic support for RTC on Allwinner H6 SoC
Date: Sat, 24 Aug 2019 10:04:24 +0200 [thread overview]
Message-ID: <3686940.YHdMKP4MVq@jernej-laptop> (raw)
In-Reply-To: <20190820151934.3860-1-megous@megous.com>
Hi!
Dne torek, 20. avgust 2019 ob 17:19:31 CEST je megous@megous.com napisal(a):
> From: Ondrej Jirman <megous@megous.com>
>
> I went through the datasheets for H6 and H5, and compared the differences.
> RTCs are largely similar, but not entirely compatible. Incompatibilities
> are in details not yet implemented by the rtc driver though.
>
> I also corrected the clock tree in H6 DTSI.
>
> This patchset is necessary for implementing the WiFi/Bluetooth support
> on boards using H6 SoC.
>
> There was some discussion previously of describing HOSC, DCXO and XO
> oscillators and clocks as part of RTC in DT, but I decided against it
> because it's not necessary, becuse information that would be provided
> as a part of DT can already be determined at runtime from RTC registers,
> so this woudn't add any value and would only introduce complications
> to the driver. See: https://patchwork.kernel.org/cover/10898083/
>
> Please take a look.
>
>
> Thank you and regards,
> Ondrej Jirman
Sorry for a bit late test, but with your patches on Tanix TX6 box I get this
in dmesg:
[ 17.431742] sun6i-rtc 7000000.rtc: Failed to set rtc time.
[ 20.439742] sun6i-rtc 7000000.rtc: rtc is still busy.
[ 21.435744] sun6i-rtc 7000000.rtc: rtc is still busy.
[ 24.055741] sun6i-rtc 7000000.rtc: rtc is still busy.
[ 24.439752] sun6i-rtc 7000000.rtc: rtc is still busy.
Last line is repeated non-stop.
Any idea what could be wrong?
Best regards,
Jernej
next prev parent reply other threads:[~2019-08-24 8:04 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-20 15:19 [PATCH v2 0/3] Add basic support for RTC on Allwinner H6 SoC megous
2019-08-20 15:19 ` [PATCH v2 1/3] dt-bindings: Add compatible for H6 RTC megous
2019-08-22 21:15 ` Alexandre Belloni
2019-08-20 15:19 ` [PATCH v2 2/3] rtc: sun6i: Add support " megous
2019-08-22 21:16 ` Alexandre Belloni
2019-08-24 12:32 ` [linux-sunxi] " Jernej Škrabec
2019-08-24 12:46 ` Ondřej Jirman
2019-08-24 12:51 ` Jernej Škrabec
2019-08-24 13:05 ` Ondřej Jirman
2019-08-24 13:16 ` Jernej Škrabec
2019-08-24 13:30 ` Ondřej Jirman
2019-08-24 21:09 ` Jernej Škrabec
2019-08-24 21:27 ` Ondřej Jirman
2019-08-24 21:36 ` Jernej Škrabec
2019-08-24 22:16 ` Ondřej Jirman
2019-08-20 15:19 ` [PATCH v2 3/3] arm64: dts: sun50i-h6: Add support for RTC and fix the clock tree megous
2019-08-23 8:19 ` Maxime Ripard
2019-08-24 8:04 ` Jernej Škrabec [this message]
2019-08-24 8:06 ` [linux-sunxi] [PATCH v2 0/3] Add basic support for RTC on Allwinner H6 SoC Jernej Škrabec
2019-08-24 12:56 ` Ondřej Jirman
2019-08-24 12:58 ` Jernej Škrabec
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