From mboxrd@z Thu Jan 1 00:00:00 1970 From: kernel-TqfNSX0MhmxHKSADF0wUEw@public.gmane.org Subject: [PATCH 2/2] dt: brcm,bcm2835-aux-spi: add binding documentation for new spi-bcm2835aux Date: Mon, 22 Jun 2015 13:40:07 +0000 Message-ID: <1434980408-4086-2-git-send-email-kernel@martin.sperl.org> References: <1434980408-4086-1-git-send-email-kernel@martin.sperl.org> Return-path: In-Reply-To: <1434980408-4086-1-git-send-email-kernel-TqfNSX0MhmxHKSADF0wUEw@public.gmane.org> Sender: linux-spi-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-rpi-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Mark Brown , Lee Jones , Stephen Warren Cc: Martin Sperl List-Id: devicetree@vger.kernel.org From: Martin Sperl Signed-off-by: Martin Sperl --- .../bindings/spi/brcm,bcm2835-aux-spi.txt | 33 ++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 Documentation/devicetree/bindings/spi/brcm,bcm2835-aux-spi.txt diff --git a/Documentation/devicetree/bindings/spi/brcm,bcm2835-aux-spi.txt b/Documentation/devicetree/bindings/spi/brcm,bcm2835-aux-spi.txt new file mode 100644 index 0000000..23e4138 --- /dev/null +++ b/Documentation/devicetree/bindings/spi/brcm,bcm2835-aux-spi.txt @@ -0,0 +1,33 @@ +Broadcom BCM2835 SPI1/2 controller + +The BCM2835 contains two forms of SPI master controller, one known simply as +SPI0, and the other known as the "Universal SPI Master"; part of the +auxiliary block. This binding applies to the SPI1/2 controller. + +Required properties: +- compatible: Should be "brcm,bcm2835-aux-spi". +- reg: Should contain register location and length for the spi block + as well as for the common aux block control +- interrupts: Should contain shared interrupt of the aux block +- clocks: The clock feeding the SPI controller. +- gpio-cs: the gpio-cs (native cs is NOT supported) + +Example: + +spi1@7e215080 { + compatible = "brcm,bcm2835-aux-spi"; + reg = <0x7e215080 0x40>, <0x7e215000 0x08>; + interrupts = <1 29>; + clocks = <&clk_spi>; + #address-cells = <1>; + #size-cells = <0>; +}; + +spi2@7e215080 { + compatible = "brcm,bcm2835-aux-spi"; + reg = <0x7e2150c0 0x40>, <0x7e215000 0x08>; + interrupts = <1 29>; + clocks = <&clk_spi>; + #address-cells = <1>; + #size-cells = <0>; +}; -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-spi" in