From: Wolfram Sang <wsa@the-dreams.de>
To: Chris Brandt <chris.brandt@renesas.com>
Cc: Ulf Hansson <ulf.hansson@linaro.org>,
Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Simon Horman <horms@verge.net.au>,
Wolfram Sang <wsa+renesas@sang-engineering.com>,
Geert Uytterhoeven <geert@linux-m68k.org>,
devicetree@vger.kernel.org, linux-mmc@vger.kernel.org,
linux-renesas-soc@vger.kernel.org
Subject: Re: [PATCH v2 2/3] mmc: sh_mobile_sdhi: explain clock bindings
Date: Tue, 17 Jan 2017 21:33:40 +0100 [thread overview]
Message-ID: <20170117203340.dx6k4zof2omcbz4y@ninjato> (raw)
In-Reply-To: <20170117195940.25092-3-chris.brandt@renesas.com>
On Tue, Jan 17, 2017 at 02:59:39PM -0500, Chris Brandt wrote:
> In the case of a single clock source, you don't need names. However,
> if the controller has 2 clock sources, you need to name them correctly
> so the driver can find the 2nd one.
>
> Signed-off-by: Chris Brandt <chris.brandt@renesas.com>
> ---
> Documentation/devicetree/bindings/mmc/tmio_mmc.txt | 21 +++++++++++++++++++++
> 1 file changed, 21 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/mmc/tmio_mmc.txt b/Documentation/devicetree/bindings/mmc/tmio_mmc.txt
> index a1650ed..258b98c 100644
> --- a/Documentation/devicetree/bindings/mmc/tmio_mmc.txt
> +++ b/Documentation/devicetree/bindings/mmc/tmio_mmc.txt
> @@ -25,8 +25,29 @@ Required properties:
> "renesas,sdhi-r8a7795" - SDHI IP on R8A7795 SoC
> "renesas,sdhi-r8a7796" - SDHI IP on R8A7796 SoC
>
> +- clocks: Most controllers only have 1 clock source per cahnnel. However, some
channel.
> + have 2. If 2 clocks are specified, you must name them as "core" and
Maybe "However, some have a second clock dedicated to card detection."?
next prev parent reply other threads:[~2017-01-17 20:33 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-17 19:59 [PATCH v2 0/3] mmc: sh_mobile_sdhi: fix missing r7s72100 clocks Chris Brandt
[not found] ` <20170117195940.25092-1-chris.brandt-zM6kxYcvzFBBDgjK7y7TUQ@public.gmane.org>
2017-01-17 19:59 ` [PATCH v2 1/3] mmc: sh_mobile_sdhi: add support for 2 clocks Chris Brandt
2017-01-17 20:30 ` Wolfram Sang
2017-01-18 14:53 ` Chris Brandt
2017-01-17 19:59 ` [PATCH v2 3/3] ARM: dts: r7s72100: update sdhi clock bindings Chris Brandt
[not found] ` <20170117195940.25092-4-chris.brandt-zM6kxYcvzFBBDgjK7y7TUQ@public.gmane.org>
2017-01-18 8:41 ` Geert Uytterhoeven
2017-01-17 19:59 ` [PATCH v2 2/3] mmc: sh_mobile_sdhi: explain " Chris Brandt
2017-01-17 20:33 ` Wolfram Sang [this message]
2017-01-18 14:58 ` Chris Brandt
[not found] ` <20170117195940.25092-3-chris.brandt-zM6kxYcvzFBBDgjK7y7TUQ@public.gmane.org>
2017-01-18 8:44 ` Geert Uytterhoeven
2017-01-18 15:11 ` Chris Brandt
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