From 849369d6c66d3054688672f97d31fceb8e8230fb Mon Sep 17 00:00:00 2001 From: root Date: Fri, 25 Dec 2015 04:40:36 +0000 Subject: initial_commit --- .../devicetree/bindings/powerpc/fsl/board.txt | 63 ++++++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100644 Documentation/devicetree/bindings/powerpc/fsl/board.txt (limited to 'Documentation/devicetree/bindings/powerpc/fsl/board.txt') diff --git a/Documentation/devicetree/bindings/powerpc/fsl/board.txt b/Documentation/devicetree/bindings/powerpc/fsl/board.txt new file mode 100644 index 00000000..39e94151 --- /dev/null +++ b/Documentation/devicetree/bindings/powerpc/fsl/board.txt @@ -0,0 +1,63 @@ +* Board Control and Status (BCSR) + +Required properties: + + - compatible : Should be "fsl,-bcsr" + - reg : Offset and length of the register set for the device + +Example: + + bcsr@f8000000 { + compatible = "fsl,mpc8360mds-bcsr"; + reg = ; + }; + +* Freescale on board FPGA + +This is the memory-mapped registers for on board FPGA. + +Required properities: +- compatible : should be "fsl,fpga-pixis". +- reg : should contain the address and the length of the FPPGA register + set. +- interrupt-parent: should specify phandle for the interrupt controller. +- interrupts : should specify event (wakeup) IRQ. + +Example (MPC8610HPCD): + + board-control@e8000000 { + compatible = "fsl,fpga-pixis"; + reg = <0xe8000000 32>; + interrupt-parent = <&mpic>; + interrupts = <8 8>; + }; + +* Freescale BCSR GPIO banks + +Some BCSR registers act as simple GPIO controllers, each such +register can be represented by the gpio-controller node. + +Required properities: +- compatible : Should be "fsl,-bcsr-gpio". +- reg : Should contain the address and the length of the GPIO bank + register. +- #gpio-cells : Should be two. The first cell is the pin number and the + second cell is used to specify optional parameters (currently unused). +- gpio-controller : Marks the port as GPIO controller. + +Example: + + bcsr@1,0 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "fsl,mpc8360mds-bcsr"; + reg = <1 0 0x8000>; + ranges = <0 1 0 0x8000>; + + bcsr13: gpio-controller@d { + #gpio-cells = <2>; + compatible = "fsl,mpc8360mds-bcsr-gpio"; + reg = <0xd 1>; + gpio-controller; + }; + }; -- cgit v1.2.3