From d2920ef5d094b59254bedfccb1fab984d101c332 Mon Sep 17 00:00:00 2001 From: Naga Sureshkumar Relli Date: Mon, 1 Apr 2019 13:28:32 +0530 Subject: [PATCH] dt-bindings: spi: Add device tree binding documentation for Zynq QSPI controller This patch adds the dts binding document for Zynq SOC QSPI controller. Reviewed-by: Rob Herring Signed-off-by: Naga Sureshkumar Relli Signed-off-by: Mark Brown --- .../devicetree/bindings/spi/spi-zynq-qspi.txt | 25 +++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 Documentation/devicetree/bindings/spi/spi-zynq-qspi.txt diff --git a/Documentation/devicetree/bindings/spi/spi-zynq-qspi.txt b/Documentation/devicetree/bindings/spi/spi-zynq-qspi.txt new file mode 100644 index 000000000000..16b734ad3102 --- /dev/null +++ b/Documentation/devicetree/bindings/spi/spi-zynq-qspi.txt @@ -0,0 +1,25 @@ +Xilinx Zynq QSPI controller Device Tree Bindings +------------------------------------------------------------------- + +Required properties: +- compatible : Should be "xlnx,zynq-qspi-1.0". +- reg : Physical base address and size of QSPI registers map. +- interrupts : Property with a value describing the interrupt + number. +- 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@e000d000 { + compatible = "xlnx,zynq-qspi-1.0"; + reg = <0xe000d000 0x1000>; + interrupt-parent = <&intc>; + interrupts = <0 19 4>; + clock-names = "ref_clk", "pclk"; + clocks = <&clkc 10>, <&clkc 43>; + num-cs = <1>; + };