From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Anholt Subject: [PATCH 1/4] dt-bindings: Add binding for brcm,bcm2835-sdhost. Date: Fri, 26 Feb 2016 15:05:39 -0800 Message-ID: <1456527942-3045-2-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 is the other SD controller on the platform, which can be swapped to the role of SD card host using pin muxing. Signed-off-by: Eric Anholt --- .../bindings/mmc/brcm,bcm2835-sdhost.txt | 25 ++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 Documentation/devicetree/bindings/mmc/brcm,bcm2835-sdhost.txt diff --git a/Documentation/devicetree/bindings/mmc/brcm,bcm2835-sdhost.txt b/Documentation/devicetree/bindings/mmc/brcm,bcm2835-sdhost.txt new file mode 100644 index 0000000..f55c446 --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/brcm,bcm2835-sdhost.txt @@ -0,0 +1,25 @@ +Broadcom BCM2835 SDHOST controller + +This file documents differences between the core properties described +by mmc.txt and the properties that represent the BCM2835 SDHOST controller. + +Required properties: +- compatible: Must be "brcm,bcm2835-sdhost" +- clocks: The phandle for the clock feeding the SDHOST controller + +Optional properties: +- dmas: DMA channel phandles for read and write +- dma-names: DMA channel names for read and write, must be "rx" and "tx" + See Documentation/devicetree/bindings/dma/dma.txt for details + +Example: + +sdhost: sdhost@7e202000 { + compatible = "brcm,bcm2835-sdhost"; + reg = <0x7e202000 0x100>; + interrupts = <2 24>; + clocks = <&clocks BCM2835_CLOCK_VPU>; + dmas = <&dma 13>, + <&dma 13>; + dma-names = "tx", "rx"; +}; -- 2.7.0