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From: Rob Herring <robh-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
To: Philipp Zabel <p.zabel-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
Cc: Hauke Mehrtens <hauke-5/S+JYg5SzeELgA04lAiVw@public.gmane.org>,
	ralf-6z/3iImG2C8G8FEW9MqTrA@public.gmane.org,
	linux-mips-6z/3iImG2C8G8FEW9MqTrA@public.gmane.org,
	linux-mtd-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
	linux-watchdog-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	martin.blumenstingl-gM/Ye1E23mwN+BqQ9rBEUg@public.gmane.org,
	john-Pj+rj9U5foFAfugRpC6u6w@public.gmane.org,
	linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	hauke.mehrtens-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org,
	andy.shevchenko-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
Subject: Re: [PATCH v3 10/16] reset: Add a reset controller driver for the Lantiq XWAY based SoCs
Date: Wed, 31 May 2017 15:58:06 -0500	[thread overview]
Message-ID: <20170531205806.uohn2tr6qtrocpl6@rob-hp-laptop> (raw)
In-Reply-To: <1496053214.17695.49.camel-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>

On Mon, May 29, 2017 at 12:20:14PM +0200, Philipp Zabel wrote:
> Hi Hauke,
> 
> On Sun, 2017-05-28 at 20:40 +0200, Hauke Mehrtens wrote:
> [...]
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/reset/lantiq,reset.txt
> > @@ -0,0 +1,30 @@
> > +Lantiq XWAY SoC RCU reset controller binding
> > +============================================
> > +
> > +This binding describes a reset-controller found on the RCU module on Lantiq
> > +XWAY SoCs.
> > +
> > +
> > +-------------------------------------------------------------------------------
> > +Required properties:
> > +- compatible		: Should be one of
> > +				"lantiq,reset-danube"
> > +				"lantiq,reset-xrx200"
> > +- regmap		: A phandle to the RCU syscon
> > +- offset-set		: Offset of the reset set register
> > +- offset-status		: Offset of the reset status register
> > +- #reset-cells		: Specifies the number of cells needed to encode the
> > +			  reset line, should be 2.
> > +			  The first cell takes the reset set bit and the
> > +			  second cell takes the status bit.
> > +
> > +-------------------------------------------------------------------------------
> > +Example for the reset-controllers on the xRX200 SoCs:
> > +	reset0: reset-controller@0 {
> > +		compatible = "lantiq,reset-xrx200";
> > +
> > +		regmap = <&rcu0>;
> 
> Why not place these nodes as children of &rcu0 ? This property would be
> superfluous then.

They are children. So it should be removed and made clear that these are 
child nodes of rcu (here and in other patches in this series).

Rob
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WARNING: multiple messages have this Message-ID (diff)
From: Rob Herring <robh@kernel.org>
To: Philipp Zabel <p.zabel@pengutronix.de>
Cc: Hauke Mehrtens <hauke@hauke-m.de>,
	ralf@linux-mips.org, linux-mips@linux-mips.org,
	linux-mtd@lists.infradead.org, linux-watchdog@vger.kernel.org,
	devicetree@vger.kernel.org, martin.blumenstingl@googlemail.com,
	john@phrozen.org, linux-spi@vger.kernel.org,
	hauke.mehrtens@intel.com, andy.shevchenko@gmail.com
Subject: Re: [PATCH v3 10/16] reset: Add a reset controller driver for the Lantiq XWAY based SoCs
Date: Wed, 31 May 2017 15:58:06 -0500	[thread overview]
Message-ID: <20170531205806.uohn2tr6qtrocpl6@rob-hp-laptop> (raw)
In-Reply-To: <1496053214.17695.49.camel@pengutronix.de>

On Mon, May 29, 2017 at 12:20:14PM +0200, Philipp Zabel wrote:
> Hi Hauke,
> 
> On Sun, 2017-05-28 at 20:40 +0200, Hauke Mehrtens wrote:
> [...]
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/reset/lantiq,reset.txt
> > @@ -0,0 +1,30 @@
> > +Lantiq XWAY SoC RCU reset controller binding
> > +============================================
> > +
> > +This binding describes a reset-controller found on the RCU module on Lantiq
> > +XWAY SoCs.
> > +
> > +
> > +-------------------------------------------------------------------------------
> > +Required properties:
> > +- compatible		: Should be one of
> > +				"lantiq,reset-danube"
> > +				"lantiq,reset-xrx200"
> > +- regmap		: A phandle to the RCU syscon
> > +- offset-set		: Offset of the reset set register
> > +- offset-status		: Offset of the reset status register
> > +- #reset-cells		: Specifies the number of cells needed to encode the
> > +			  reset line, should be 2.
> > +			  The first cell takes the reset set bit and the
> > +			  second cell takes the status bit.
> > +
> > +-------------------------------------------------------------------------------
> > +Example for the reset-controllers on the xRX200 SoCs:
> > +	reset0: reset-controller@0 {
> > +		compatible = "lantiq,reset-xrx200";
> > +
> > +		regmap = <&rcu0>;
> 
> Why not place these nodes as children of &rcu0 ? This property would be
> superfluous then.

They are children. So it should be removed and made clear that these are 
child nodes of rcu (here and in other patches in this series).

Rob

  parent reply	other threads:[~2017-05-31 20:58 UTC|newest]

Thread overview: 60+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-05-28 18:39 [PATCH v3 00/16] MIPS: lantiq: handle RCU register by separate drivers Hauke Mehrtens
2017-05-28 18:39 ` Hauke Mehrtens
     [not found] ` <20170528184006.31668-1-hauke-5/S+JYg5SzeELgA04lAiVw@public.gmane.org>
2017-05-28 18:39   ` [PATCH v3 01/16] MIPS: lantiq: Use of_platform_default_populate instead of __dt_register_buses Hauke Mehrtens
2017-05-28 18:39     ` Hauke Mehrtens
2017-05-28 18:39   ` [PATCH v3 02/16] mtd: lantiq-flash: drop check of boot select Hauke Mehrtens
2017-05-28 18:39     ` Hauke Mehrtens
2017-05-28 18:39   ` [PATCH v3 03/16] mtd: spi-falcon: " Hauke Mehrtens
2017-05-28 18:39     ` Hauke Mehrtens
2017-05-28 18:39   ` [PATCH v3 04/16] watchdog: lantiq: access boot cause register through regmap Hauke Mehrtens
2017-05-28 18:39     ` Hauke Mehrtens
2017-05-28 18:39   ` [PATCH v3 05/16] watchdog: lantiq: add device tree binding documentation Hauke Mehrtens
2017-05-28 18:39     ` Hauke Mehrtens
     [not found]     ` <20170528184006.31668-6-hauke-5/S+JYg5SzeELgA04lAiVw@public.gmane.org>
2017-05-31 20:00       ` Rob Herring
2017-05-31 20:00         ` Rob Herring
2017-05-31 20:11         ` Hauke Mehrtens
2017-05-31 20:11           ` Hauke Mehrtens
2017-05-28 18:39   ` [PATCH v3 06/16] MIPS: lantiq: Enable MFD_SYSCON to be able to use it for the RCU MFD Hauke Mehrtens
2017-05-28 18:39     ` Hauke Mehrtens
2017-05-28 18:39   ` [PATCH v3 07/16] Documentation: DT: MIPS: lantiq: Add docs for the RCU bindings Hauke Mehrtens
2017-05-28 18:39     ` Hauke Mehrtens
     [not found]     ` <20170528184006.31668-8-hauke-5/S+JYg5SzeELgA04lAiVw@public.gmane.org>
2017-05-31 20:05       ` Rob Herring
2017-05-31 20:05         ` Rob Herring
2017-05-31 20:13         ` Hauke Mehrtens
2017-05-31 20:13           ` Hauke Mehrtens
     [not found]           ` <6b8bb1cd-c090-435d-d150-d53edf04d2df-5/S+JYg5SzeELgA04lAiVw@public.gmane.org>
2017-05-31 21:04             ` Rob Herring
2017-05-31 21:04               ` Rob Herring
2017-05-28 18:39   ` [PATCH v3 08/16] MIPS: lantiq: Convert the fpi bus driver to a platform_driver Hauke Mehrtens
2017-05-28 18:39     ` Hauke Mehrtens
     [not found]     ` <20170528184006.31668-9-hauke-5/S+JYg5SzeELgA04lAiVw@public.gmane.org>
2017-05-30 18:23       ` Andy Shevchenko
2017-05-30 18:23         ` Andy Shevchenko
     [not found]         ` <CAHp75VcU3cF07GQG5vPV9uhmpOzO2aGD8Fj9-Do4yN3BXNN1Rg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-05-30 22:02           ` Hauke Mehrtens
2017-05-30 22:02             ` Hauke Mehrtens
2017-05-30 22:02             ` Hauke Mehrtens
2017-05-31 20:54       ` Rob Herring
2017-05-31 20:54         ` Rob Herring
2017-05-28 18:39   ` [PATCH v3 09/16] MIPS: lantiq: remove ltq_reset_cause() and ltq_boot_select() Hauke Mehrtens
2017-05-28 18:39     ` Hauke Mehrtens
2017-05-28 18:40   ` [PATCH v3 10/16] reset: Add a reset controller driver for the Lantiq XWAY based SoCs Hauke Mehrtens
2017-05-28 18:40     ` Hauke Mehrtens
2017-05-29 10:20     ` Philipp Zabel
2017-05-29 10:20       ` Philipp Zabel
     [not found]       ` <1496053214.17695.49.camel-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
2017-05-31 20:58         ` Rob Herring [this message]
2017-05-31 20:58           ` Rob Herring
2017-05-28 18:40   ` [PATCH v3 11/16] MIPS: lantiq: remove old reset controller implementation Hauke Mehrtens
2017-05-28 18:40     ` Hauke Mehrtens
2017-05-28 18:40   ` [PATCH v3 12/16] MIPS: lantiq: Add a GPHY driver which uses the RCU syscon-mfd Hauke Mehrtens
2017-05-28 18:40     ` Hauke Mehrtens
2017-05-28 18:40   ` [PATCH v3 13/16] MIPS: lantiq: remove old GPHY loader code Hauke Mehrtens
2017-05-28 18:40     ` Hauke Mehrtens
2017-05-28 18:40   ` [PATCH v3 14/16] phy: Add an USB PHY driver for the Lantiq SoCs using the RCU module Hauke Mehrtens
2017-05-28 18:40     ` Hauke Mehrtens
     [not found]     ` <20170528184006.31668-15-hauke-5/S+JYg5SzeELgA04lAiVw@public.gmane.org>
2017-05-30 18:31       ` Andy Shevchenko
2017-05-30 18:31         ` Andy Shevchenko
     [not found]         ` <CAHp75Ve9bV99=WCzmXU-Rth-gar5gqvy4taZ7NMQQHGKcVbHHw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-05-30 20:21           ` Hauke Mehrtens
2017-05-30 20:21             ` Hauke Mehrtens
2017-05-30 20:21             ` Hauke Mehrtens
2017-05-28 18:40   ` [PATCH v3 15/16] MIPS: lantiq: remove old USB PHY initialisation Hauke Mehrtens
2017-05-28 18:40     ` Hauke Mehrtens
2017-05-28 18:40   ` [PATCH v3 16/16] MIPS: lantiq: Remove the arch/mips/lantiq/xway/reset.c implementation Hauke Mehrtens
2017-05-28 18:40     ` Hauke Mehrtens

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