From: Rob Herring <robh@kernel.org>
To: Vignesh R <vigneshr@ti.com>
Cc: Tony Lindgren <tony@atomide.com>,
nsekhar@ti.com, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v2 2/2] ARM: dts: dra7x: Support QSPI MODE-0 operation at 64MHz
Date: Fri, 22 Apr 2016 14:33:53 -0500 [thread overview]
Message-ID: <20160422193353.GA15316@rob-hp-laptop> (raw)
In-Reply-To: <1461151980-28139-3-git-send-email-vigneshr@ti.com>
On Wed, Apr 20, 2016 at 05:03:00PM +0530, Vignesh R wrote:
> According to Data Manual(SPRS915P) of AM57x, TI QSPI controller on
> DRA74(rev 1.1+)/DRA72 EVM can support up to 64MHz in MODE-0, whereas
> MODE-3 is limited to 48MHz. Hence, switch to MODE-0 for better
> throughput.
>
> Signed-off-by: Vignesh R <vigneshr@ti.com>
> ---
>
> v2: rebased on linux-next 20160419 to include moving to
> dra72-evm-common.dtsi
>
>
> Documentation/devicetree/bindings/spi/ti_qspi.txt | 7 +++++++
> arch/arm/boot/dts/dra7-evm.dts | 6 ++----
> arch/arm/boot/dts/dra72-evm-common.dtsi | 6 ++----
> 3 files changed, 11 insertions(+), 8 deletions(-)
Acked-by: Rob Herring <robh@kernel.org>
next prev parent reply other threads:[~2016-04-22 19:34 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-20 11:32 [PATCH v2 0/2] DRA7x: Increase QSPI frequency to 64MHz Vignesh R
2016-04-20 11:32 ` [PATCH v2 1/2] ARM: dts: dra7x: Remove QSPI pinmux Vignesh R
2016-04-20 11:33 ` [PATCH v2 2/2] ARM: dts: dra7x: Support QSPI MODE-0 operation at 64MHz Vignesh R
2016-04-22 19:33 ` Rob Herring [this message]
2016-04-26 17:52 ` Tony Lindgren
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