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From: Sagar Dharia <sdharia@codeaurora.org>
To: Mark Rutland <mark.rutland@arm.com>
Cc: gregkh@linuxfoundation.org, bp@suse.de, poeschel@lemonage.de,
	treding@nvidia.com, broonie@kernel.org,
	gong.chen@linux.intel.com, andreas.noever@gmail.com,
	alan@linux.intel.com, mathieu.poirier@linaro.org,
	daniel@ffwll.ch, jkosina@suse.cz, sharon.dvir1@mail.huji.ac.il,
	joe@perches.com, davem@davemloft.net, james.hogan@imgtec.com,
	michael.opdenacker@free-electrons.com,
	daniel.thompson@linaro.org, robh+dt@kernel.org,
	pawel.moll@arm.com, ijc+devicetree@hellion.org.uk,
	galak@codeaurora.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org, kheitke@audience.com,
	mlocke@codeaurora.org, agross@codeaurora.org,
	sheetal.tigadoli@gmail.com, linux-arm-msm@vger.kernel.org
Subject: Re: [PATCH V5 4/6] slim: qcom: Add Qualcomm Slimbus controller driver
Date: Fri, 6 May 2016 11:28:07 -0600	[thread overview]
Message-ID: <eddf7d8e-c5f4-6ded-d094-567578b8a3cc@codeaurora.org> (raw)
In-Reply-To: <20160428112859.GE21145@leverpostej>

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On 4/28/2016 5:28 AM, Mark Rutland wrote:
> On Wed, Apr 27, 2016 at 05:58:07PM -0600, Sagar Dharia wrote:
>
>> + - interrupts : Interrupt number used by this controller
>> + - clocks : Interface and core clocks used by this slimbus controller
>> + - clock-names : Required clock-name entries are:
>> +	"iface_clk" : Interface clock for this controller
>> +	"core_clk" : Interrupt for controller core's BAM
>> +
>> +Optional property:
>> + - reg entry for slew rate : If slew rate control register is provided, this
>> +	entry should be used.
>> + - reg-name for slew rate: "slimbus_slew_reg"
> Per the example below, this looks like an element in a separate system
> controller block, or part of some other controller that's not modelled
> here.
>
> What is this, exactly?
You are right, this entry is outside the controller block, but needs to 
be programmed by slimbus controller to make sure slew-rate of the clock 
line is controlled to be within spec.

I will incorporate other comments in the upcoming patch.

Thanks
Sagar
>
>> +
>> +Example:
>> +	slim@28080000 {
>> +		compatible = "qcom,slim-msm";
>> +		#address-cells = <4>;
>> +		#size-cells = <0>;
>> +		reg = <0x28080000 0x2000>, <0x80207C 4>;
>> +		reg-names = "slimbus_physical", "slimbus_slew_reg";
>> +		interrupts = <0 33 0>;
>> +		clocks = <&lcc SLIMBUS_SRC>, <&lcc AUDIO_SLIMBUS_CLK>;
>> +		clock-names = "iface_clk", "core_clk";
>> +
>> +		codec@0217.0060.01.00 {
>> +			compatible = "qcom,wcdv1", "slim";
> As mentioned on the generic binding, please drop the "slim" fallback
> here.
>
>> +			reg = <0x217 0x60 0x1 0x0>;
>> +		};
>> +	};
> Thanks,
> Mark.
> --
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-- 
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hosted by The Linux Foundation


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  reply	other threads:[~2016-05-06 17:28 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-04-27 23:58 [PATCH V5 0/6] Introduce framework for SLIMbus device drivers Sagar Dharia
2016-04-27 23:58 ` [PATCH V5 1/6] SLIMbus: Device management on SLIMbus Sagar Dharia
2016-04-28 10:00   ` Arnd Bergmann
2016-04-28 11:53     ` Mark Brown
2016-04-28 12:33       ` Arnd Bergmann
2016-04-28 14:38         ` Mark Brown
     [not found]           ` <20160428143801.GO3217-GFdadSzt00ze9xe1eoZjHA@public.gmane.org>
2016-04-28 14:59             ` Arnd Bergmann
2016-04-28 14:59               ` Arnd Bergmann
2016-04-28 16:39               ` Mark Brown
2016-04-28 16:49                 ` Arnd Bergmann
2016-04-29 11:17                   ` Mark Brown
2016-04-29 11:17                     ` Mark Brown
2016-05-06 17:35                     ` Sagar Dharia
2016-06-03  9:14   ` Masami Hiramatsu
2016-04-27 23:58 ` [PATCH V5 2/6] of/slimbus: OF helper for SLIMbus Sagar Dharia
2016-04-28  9:54   ` Arnd Bergmann
2016-04-28 11:11   ` Mark Rutland
2016-05-03 16:11   ` Rob Herring
2016-05-03 19:26     ` Arnd Bergmann
2016-04-27 23:58 ` [PATCH V5 3/6] slimbus: Add messaging APIs to slimbus framework Sagar Dharia
2016-04-28  9:52   ` Arnd Bergmann
2016-04-27 23:58 ` [PATCH V5 4/6] slim: qcom: Add Qualcomm Slimbus controller driver Sagar Dharia
     [not found]   ` <1461801489-16254-5-git-send-email-sdharia-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2016-04-28 11:28     ` Mark Rutland
2016-04-28 11:28       ` Mark Rutland
2016-05-06 17:28       ` Sagar Dharia [this message]
2016-04-27 23:58 ` [PATCH V5 5/6] slimbus: Add support for 'clock-pause' feature Sagar Dharia
2016-04-27 23:58 ` [PATCH V5 6/6] slim: qcom: Add runtime-pm support using clock-pause feature Sagar Dharia
2016-06-03  9:14 ` [PATCH V5 0/6] Introduce framework for SLIMbus device drivers Masami Hiramatsu
2016-06-27  1:30   ` Masami Hiramatsu

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