From mboxrd@z Thu Jan 1 00:00:00 1970 From: ranjit.waghmode@xilinx.com (Ranjit Waghmode) Date: Wed, 20 May 2015 12:57:50 +0530 Subject: [RFC PATCH 1/2] devicetree: Add devicetree bindings documentation for ZynqMP GQSPI Message-ID: <1432106871-27232-1-git-send-email-ranjit.waghmode@xilinx.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Add bindings documentation for GQSPI controller driver used by Zynq Ultrascale+ MPSoC Signed-off-by: Ranjit Waghmode --- .../devicetree/bindings/spi/spi-zynqmp-qspi.txt | 26 ++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 Documentation/devicetree/bindings/spi/spi-zynqmp-qspi.txt diff --git a/Documentation/devicetree/bindings/spi/spi-zynqmp-qspi.txt b/Documentation/devicetree/bindings/spi/spi-zynqmp-qspi.txt new file mode 100644 index 0000000..cec6330 --- /dev/null +++ b/Documentation/devicetree/bindings/spi/spi-zynqmp-qspi.txt @@ -0,0 +1,26 @@ +Xilinx Zynq UltraScale+ MPSoC GQSPI controller Device Tree Bindings +------------------------------------------------------------------- + +Required properties: +- compatible : Should be "xlnx,zynqmp-qspi-1.0". +- reg : Physical base address and size of GQSPI registers map. +- interrupts : Property with a value describing the interrupt + number. +- interrupt-parent : Must be core interrupt controller. +- clock-names : List of input clock names - "ref_clk", "pclk" + (See clock bindings for details). +- clocks : Clock phandles (see clock bindings for details). + +Optional properties: +- num-cs : Number of chip selects used. + +Example: + qspi: spi at ff0f0000 { + compatible = "xlnx,zynqmp-qspi-1.0"; + clock-names = "ref_clk", "pclk"; + clocks = <&misc_clk &misc_clk>; + interrupts = <0 15 4>; + interrupt-parent = <&gic>; + num-cs = <1>; + reg = <0x0 0xff0f0000 0x1000 0x0 0xc0000000 0x8000000>; + }; -- 2.1.2