From: Dhaval Shah <dhaval.s...@xilinx.com> Added the txt file which contain the xlnx,vcu DT node properties information. This also provides the information of it's child node as well.
Signed-off-by: Dhaval Shah <ds...@xilinx.com> --- .../devicetree/bindings/misc/xlnx,vcu.txt | 59 ++++++++++++++++++++++ 1 file changed, 59 insertions(+) create mode 100644 Documentation/devicetree/bindings/misc/xlnx,vcu.txt diff --git a/Documentation/devicetree/bindings/misc/xlnx,vcu.txt b/Documentation/devicetree/bindings/misc/xlnx,vcu.txt new file mode 100644 index 0000000..e722ff3 --- /dev/null +++ b/Documentation/devicetree/bindings/misc/xlnx,vcu.txt @@ -0,0 +1,59 @@ +Xilinx VCU init Driver +----------------------------- + +General concept +--------------- + +Xilinx VCU init driver is developed to handle the LogiCore related +new implementation. In this directory, The DT node of the Xilinx +VCU init driver represents as a top level node. + +Required properties: +- compatible: Must be "xlnx,vcu". +- reg, reg-names: There are two sets of registers need to provide. + 1. vcu slcr + 2. Logicore + reg-names should contain name for the each register sequence. +- clocks: phandle for aclk and pll_ref clocksource +- clock-names: The identification string, "aclk", is always required for + the axi clock. "pll_ref" is required for pll. +- ranges +- VCU Init driver node define the following child nodes: + * Allegro encoder driver node + - compatible: Must be "al,al5e" + - reg: There is a one set of register. + - interrupts: interrupt number to the cpu. + - interrupt-parent: the phandle for the interrupt controller + that services interrupts for this device. + * Allegro decoder driver node + - compatible: Must be "al,al5d" + - reg: There is a one set of register. + - interrupts: interrupt number to the cpu. + - interrupt-parent: the phandle for the interrupt controller + that services interrupts for this device. +Example: + + xlnx_vcu: vcu@a0040000 { + compatible = "xlnx,vcu"; + #address-cells = <2>; + #size-cells = <2>; + reg = <0x0 0xa0040000 0x0 0x1000>, + <0x0 0xa0041000 0x0 0x1000>; + reg-names = "vcu_slcr", "logicore"; + clocks = <&si570_1>, <&clkc 71>; + clock-names = "pll_ref", "aclk"; + ranges; + encoder: al5e@a0000000 { + compatible = "al,al5e"; + reg = <0x0 0xa0000000 0x0 0x10000>; + interrupts = <0 89 4>; + interrupt-parent = <&gic>; + }; + + decoder: al5d@a0020000 { + compatible = "al,al5d"; + reg = <0x0 0xa0020000 0x0 0x10000>; + interrupts = <0 89 4>; + interrupt-parent = <&gic>; + }; + }; -- 2.7.4