From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Anholt Subject: [PATCH 4/4] ARM: bcm2835: Enable SDHOST by default. Date: Fri, 26 Feb 2016 15:05:42 -0800 Message-ID: <1456527942-3045-5-git-send-email-eric@anholt.net> References: <1456527942-3045-1-git-send-email-eric@anholt.net> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1456527942-3045-1-git-send-email-eric@anholt.net> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: linux-rpi-kernel@lists.infradead.org Cc: Mark Rutland , devicetree@vger.kernel.org, Ian Campbell , Florian Fainelli , Pawel Moll , Stephen Warren , Lee Jones , linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, Eric Anholt , Rob Herring , Kumar Gala , Ulf Hansson , linux-arm-kernel@lists.infradead.org List-Id: linux-mmc@vger.kernel.org This improves read speed on my SD card (as reported by hdparm -t) from 10.15MB/sec to 16.70MB/sec. Once we add slave DMA, we can get to 18.45MB/sec. Signed-off-by: Eric Anholt --- arch/arm/boot/dts/bcm2835-rpi.dtsi | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/bcm2835-rpi.dtsi b/arch/arm/boot/dts/bcm2835-rpi.dtsi index b8efd41..65d3594 100644 --- a/arch/arm/boot/dts/bcm2835-rpi.dtsi +++ b/arch/arm/boot/dts/bcm2835-rpi.dtsi @@ -65,10 +65,18 @@ pinctrl-names = "default"; pinctrl-0 = <&emmc_gpio48>; - status = "okay"; bus-width = <4>; }; +&sdhost { + pinctrl-names = "default"; + pinctrl-0 = <&sdhost_gpio48>; + + bus-width = <4>; + + status = "okay"; +}; + &pwm { pinctrl-names = "default"; pinctrl-0 = <&pwm0_gpio40 &pwm1_gpio45>; -- 2.7.0