From mboxrd@z Thu Jan 1 00:00:00 1970 From: kernel@martin.sperl.org Subject: [PATCH v4 3/5] dt/bindings: bcm2835: add binding documentation for bcm2835-aux Date: Mon, 24 Aug 2015 08:40:06 +0000 Message-ID: <1440405608-3995-4-git-send-email-kernel@martin.sperl.org> References: <1440405608-3995-1-git-send-email-kernel@martin.sperl.org> Return-path: In-Reply-To: <1440405608-3995-1-git-send-email-kernel@martin.sperl.org> Sender: linux-kernel-owner@vger.kernel.org To: Stephen Warren , Lee Jones , Russell King , Mark Brown , Mark Rutland , devicetree@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-spi@vger.kernel.org, Ian Campbell , Rob Herring , Pawel Moll , Kumar Gala Cc: Martin Sperl List-Id: devicetree@vger.kernel.org From: Martin Sperl Signed-off-by: Martin Sperl --- .../bindings/soc/bcm/brcm,bcm2835-aux.txt | 27 ++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 Documentation/devicetree/bindings/soc/bcm/brcm,bcm2835-aux.txt diff --git a/Documentation/devicetree/bindings/soc/bcm/brcm,bcm2835-aux.txt b/Documentation/devicetree/bindings/soc/bcm/brcm,bcm2835-aux.txt new file mode 100644 index 0000000..8b79cf3 --- /dev/null +++ b/Documentation/devicetree/bindings/soc/bcm/brcm,bcm2835-aux.txt @@ -0,0 +1,27 @@ +Broadcom BCM2835 auxiliar device enable register + +the BCM2835 contains 3 auxiliar devices (spi1/spi2/uart1) +which need to get enabled via a shared register. + +Required properties: +- compatible: Should be "brcm,bcm2835-aux". +- reg: Should contain register location and length for the + enable register + +Example: + +aux_enable: aux_enable@0x7e215004 { + compatible = "bcrm,bcm2835-aux"; + reg = <0x7e215004 0x04>; +}; + +Typically used in the respective auxiliar device descriptions +like this: + +uart1: uart@7e215040 { + ... + brcm,aux-enable = <&aux_enable 1>; + ... +}; + +The name of the property can be device/driver specific. -- 1.7.10.4