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| author | Mario Six <mario.six@gdsys.cc> | 2018-07-31 11:44:12 +0200 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2018-09-29 11:49:35 -0600 |
| commit | 6238ae4d60476dd7535b781ef3f255f676851283 (patch) | |
| tree | 0bf2d01cef99092338775f0b5b24a8c8e59de6fd /Documentation | |
| parent | 5381c2856de3ed0191135b435cff39789e5f17ad (diff) | |
| download | u-boot-6238ae4d60476dd7535b781ef3f255f676851283.zip u-boot-6238ae4d60476dd7535b781ef3f255f676851283.tar.gz u-boot-6238ae4d60476dd7535b781ef3f255f676851283.tar.bz2 | |
board: Add gazerbeam driver
Add a board driver for the upcoming gdsys Gazerbeam board.
Signed-off-by: Mario Six <mario.six@gdsys.cc>
Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/board/gdsys,board_gazerbeam.txt | 46 |
1 files changed, 46 insertions, 0 deletions
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 0000000..28c1080 --- /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>; +}; |