From: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> To: Antoine Tenart <antoine.tenart@free-electrons.com> Cc: jic23@kernel.org, knaack.h@gmx.de, lars@metafoo.de, pmeerw@pmeerw.net, zmxu@marvell.com, jszhang@marvell.com, yrliao@marvell.com, linux-iio@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 3/4] ARM: berlin: add an ADC node for the BG2Q Date: Tue, 07 Apr 2015 12:25:34 +0200 [thread overview] Message-ID: <5523B09E.4050703@gmail.com> (raw) In-Reply-To: <20150407102011.GA19914@kwain> On 07.04.2015 12:20, Antoine Tenart wrote: > On Sat, Apr 04, 2015 at 12:25:56PM +0200, Sebastian Hesselbarth wrote: >> On 03.04.2015 15:06, Antoine Tenart wrote: >>> This patch adds the ADC node for the Berlin BG2Q, using the newly added >>> Berlin IIO ADC driver. >>> >>> Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com> >>> --- >>> arch/arm/boot/dts/berlin2q.dtsi | 8 ++++++++ >>> 1 file changed, 8 insertions(+) >>> >>> diff --git a/arch/arm/boot/dts/berlin2q.dtsi b/arch/arm/boot/dts/berlin2q.dtsi >>> index 187d056f7ad2..72b1c969a99d 100644 >>> --- a/arch/arm/boot/dts/berlin2q.dtsi >>> +++ b/arch/arm/boot/dts/berlin2q.dtsi >>> @@ -565,6 +565,14 @@ >>> function = "twsi3"; >>> }; >>> }; >>> + >>> + adc: adc { >>> + compatible = "marvell,berlin2-adc"; >>> + interrupt-parent = <&sic>; >>> + interrupts = <12>, <14>; >>> + interrupt-names = "adc", "tsen"; >>> + status = "disabled"; >>> + }; >> >> nit: there is no gated clock for the ADC, I guess we can just always >> enable it. That will save you the last patch of the series. > > Sure, we can just drop the last patch (and the status property). Ok. >> BTW, I have the strong feeling that moving berlin's clk drivers to >> regmap will block any subsequent patches you are preparing. How about >> we target the next merge window for moving the clk node but not the >> drivers (except of_iomap of the _parent's_ reg property) and push the >> less controversal patches (pinctrl, reset) with regmap/syscon forward? > > The entire clock rework series does not affect this ADC series or any > other on going series. It can be merged latter, without breaking > anything. I just realized I mentioned the clock rework series as a > dependency in the cover letter of this series but it is not, my bad. > > So, we can target the next merge window for all series but the clock > rework. In addition to this, I can send a series moving the clock node, > with minor modifications to the driver so we have a proper dt. And then > we can see if moving to a regmap aware clock driver can be done. > > To sum up: > - chip/system controller series can be pushed Ok, I'll pick it up once 4.0 drops. > - this ADC series too, as it does not depend on the clock rework (as > soon as we have the needed acked-by) Ok, once the ACKs are there, I'll pick it up too. > - I need to make a new series to move the clock node Great. > - the clock driver rework series can live in parallel Good. > Agreed? Definitely :) Sebastian
WARNING: multiple messages have this Message-ID (diff)
From: sebastian.hesselbarth@gmail.com (Sebastian Hesselbarth) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH v2 3/4] ARM: berlin: add an ADC node for the BG2Q Date: Tue, 07 Apr 2015 12:25:34 +0200 [thread overview] Message-ID: <5523B09E.4050703@gmail.com> (raw) In-Reply-To: <20150407102011.GA19914@kwain> On 07.04.2015 12:20, Antoine Tenart wrote: > On Sat, Apr 04, 2015 at 12:25:56PM +0200, Sebastian Hesselbarth wrote: >> On 03.04.2015 15:06, Antoine Tenart wrote: >>> This patch adds the ADC node for the Berlin BG2Q, using the newly added >>> Berlin IIO ADC driver. >>> >>> Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com> >>> --- >>> arch/arm/boot/dts/berlin2q.dtsi | 8 ++++++++ >>> 1 file changed, 8 insertions(+) >>> >>> diff --git a/arch/arm/boot/dts/berlin2q.dtsi b/arch/arm/boot/dts/berlin2q.dtsi >>> index 187d056f7ad2..72b1c969a99d 100644 >>> --- a/arch/arm/boot/dts/berlin2q.dtsi >>> +++ b/arch/arm/boot/dts/berlin2q.dtsi >>> @@ -565,6 +565,14 @@ >>> function = "twsi3"; >>> }; >>> }; >>> + >>> + adc: adc { >>> + compatible = "marvell,berlin2-adc"; >>> + interrupt-parent = <&sic>; >>> + interrupts = <12>, <14>; >>> + interrupt-names = "adc", "tsen"; >>> + status = "disabled"; >>> + }; >> >> nit: there is no gated clock for the ADC, I guess we can just always >> enable it. That will save you the last patch of the series. > > Sure, we can just drop the last patch (and the status property). Ok. >> BTW, I have the strong feeling that moving berlin's clk drivers to >> regmap will block any subsequent patches you are preparing. How about >> we target the next merge window for moving the clk node but not the >> drivers (except of_iomap of the _parent's_ reg property) and push the >> less controversal patches (pinctrl, reset) with regmap/syscon forward? > > The entire clock rework series does not affect this ADC series or any > other on going series. It can be merged latter, without breaking > anything. I just realized I mentioned the clock rework series as a > dependency in the cover letter of this series but it is not, my bad. > > So, we can target the next merge window for all series but the clock > rework. In addition to this, I can send a series moving the clock node, > with minor modifications to the driver so we have a proper dt. And then > we can see if moving to a regmap aware clock driver can be done. > > To sum up: > - chip/system controller series can be pushed Ok, I'll pick it up once 4.0 drops. > - this ADC series too, as it does not depend on the clock rework (as > soon as we have the needed acked-by) Ok, once the ACKs are there, I'll pick it up too. > - I need to make a new series to move the clock node Great. > - the clock driver rework series can live in parallel Good. > Agreed? Definitely :) Sebastian
next prev parent reply other threads:[~2015-04-07 10:25 UTC|newest] Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top 2015-04-03 13:06 [PATCH v2 0/4] ARM: berlin: ADC support Antoine Tenart 2015-04-03 13:06 ` Antoine Tenart 2015-04-03 13:06 ` [PATCH v2 1/4] iio: adc: add support for Berlin Antoine Tenart 2015-04-03 13:06 ` Antoine Tenart 2015-04-09 13:58 ` Jonathan Cameron 2015-04-09 13:58 ` Jonathan Cameron 2015-04-03 13:06 ` [PATCH v2 2/4] Documentation: bindings: document the Berlin ADC driver Antoine Tenart 2015-04-03 13:06 ` Antoine Tenart 2015-04-09 14:00 ` Jonathan Cameron 2015-04-09 14:00 ` Jonathan Cameron 2015-04-03 13:06 ` [PATCH v2 3/4] ARM: berlin: add an ADC node for the BG2Q Antoine Tenart 2015-04-03 13:06 ` Antoine Tenart 2015-04-04 10:25 ` Sebastian Hesselbarth 2015-04-04 10:25 ` Sebastian Hesselbarth 2015-04-07 10:20 ` Antoine Tenart 2015-04-07 10:20 ` Antoine Tenart 2015-04-07 10:25 ` Sebastian Hesselbarth [this message] 2015-04-07 10:25 ` Sebastian Hesselbarth 2015-04-03 13:06 ` [PATCH v2 4/4] ARM: berlin: enable the ADC on the BG2Q DMP Antoine Tenart 2015-04-03 13:06 ` Antoine Tenart
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