From mboxrd@z Thu Jan 1 00:00:00 1970 From: Gerd Hoffmann Subject: [PATCH 20/32] dt-bindings: Add binding for brcm,bcm2835-sdhost. Date: Wed, 1 Jun 2016 23:43:29 +0200 Message-ID: <1464817421-8519-21-git-send-email-kraxel@redhat.com> References: <1464817421-8519-1-git-send-email-kraxel@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1464817421-8519-1-git-send-email-kraxel@redhat.com> 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 , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , Lee Jones , Pawel Moll , Ian Campbell , Stephen Warren , open list , Eric Anholt , Rob Herring , Kumar Gala , "moderated list:BROADCOM BCM2835 ARM ARCHITECTURE" List-Id: devicetree@vger.kernel.org From: Eric Anholt 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 --- .../devicetree/bindings/mmc/brcm,bcm2835-sdhci.txt | 3 +++ .../bindings/mmc/brcm,bcm2835-sdhost.txt | 24 ++++++++++++++++++++++ 2 files changed, 27 insertions(+) create mode 100644 Documentation/devicetree/bindings/mmc/brcm,bcm2835-sdhost.txt diff --git a/Documentation/devicetree/bindings/mmc/brcm,bcm2835-sdhci.txt b/Documentation/devicetree/bindings/mmc/brcm,bcm2835-sdhci.txt index 59476fb..3cc74e2 100644 --- a/Documentation/devicetree/bindings/mmc/brcm,bcm2835-sdhci.txt +++ b/Documentation/devicetree/bindings/mmc/brcm,bcm2835-sdhci.txt @@ -15,4 +15,7 @@ sdhci: sdhci { interrupts = <2 30>; clocks = <&clk_mmc>; bus-width = <4>; + dmas = <&dma 13>, + <&dma 13>; + dma-names = "tx", "rx"; }; 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..074992c --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/brcm,bcm2835-sdhost.txt @@ -0,0 +1,24 @@ +Broadcom BCM2835 SDHOST controller + +This file documents differences between the core properties described +by mmc.txt and the properties that represent the BCM2835 controller. + +Required properties: +- compatible: Should be "brcm,bcm2835-sdhci". +- clocks: The clock feeding the SDHOST controller. + +Optional properties: +- dmas: DMA channels for read and write. + 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"; +}; -- 1.8.3.1