From 6238ae4d60476dd7535b781ef3f255f676851283 Mon Sep 17 00:00:00 2001 From: Mario Six Date: Tue, 31 Jul 2018 11:44:12 +0200 Subject: board: Add gazerbeam driver Add a board driver for the upcoming gdsys Gazerbeam board. Signed-off-by: Mario Six Reviewed-by: Simon Glass --- .../bindings/board/gdsys,board_gazerbeam.txt | 46 ++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 Documentation/devicetree/bindings/board/gdsys,board_gazerbeam.txt (limited to 'Documentation/devicetree') diff --git a/Documentation/devicetree/bindings/board/gdsys,board_gazerbeam.txt b/Documentation/devicetree/bindings/board/gdsys,board_gazerbeam.txt new file mode 100644 index 0000000000..28c1080d90 --- /dev/null +++ b/Documentation/devicetree/bindings/board/gdsys,board_gazerbeam.txt @@ -0,0 +1,46 @@ +gdsys Gazerbeam board driver + +This driver provides capabilities to access the gdsys Gazerbeam board's device +information. Furthermore, phandles to some internal devices are provided for +the board files. + +Required properties: +- compatible: should be "gdsys,board_gazerbeam" +- csb: phandle to the board's coherent system bus (CSB) device node +- rxaui[0-3]: phandles to the rxaui control device nodes +- fpga[0-1]: phandles to the board's gdsys FPGA device nodes +- ioep[0-1]: phandles to the board's IO endpoint device nodes +- ver-gpios: GPIO list to read the hardware version from +- var-gpios: GPIO list to read the hardware variant information from +- reset-gpios: GPIO list for the board's reset GPIOs + +Example: + + +board { + compatible = "gdsys,board_gazerbeam"; + csb = <&board_soc>; + serdes = <&SERDES>; + rxaui0 = <&RXAUI0>; + rxaui1 = <&RXAUI1>; + rxaui2 = <&RXAUI2>; + rxaui3 = <&RXAUI3>; + fpga0 = <&FPGA0>; + fpga1 = <&FPGA1>; + ioep0 = <&IOEP0>; + ioep1 = <&IOEP1>; + + ver-gpios = <&PPCPCA 12 0 + &PPCPCA 13 0 + &PPCPCA 14 0 + &PPCPCA 15 0>; + + /* MC2/SC-Board */ + var-gpios-mc2 = <&GPIO_VB0 0 0 /* VAR-MC_SC */ + &GPIO_VB0 11 0>; /* VAR-CON */ + /* MC4-Board */ + var-gpios-mc4 = <&GPIO_VB1 0 0 /* VAR-MC_SC */ + &GPIO_VB1 11 0>; /* VAR-CON */ + + reset-gpios = <&gpio0 1 0 &gpio0 2 1>; +}; -- cgit v1.2.3