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uio: uio_fsl_elbc_gpcm: new driver

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This driver provides UIO access to memory of a peripheral connected
to the Freescale enhanced local bus controller (eLBC) interface
using the general purpose chip-select mode (GPCM).

Signed-off-by: John Ogness <john.ogness@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
John Ogness
2014-12-09 17:43:10 +01:00
committed by Greg Kroah-Hartman
parent 02b03846bb
commit fbc4a8a857
5 changed files with 536 additions and 5 deletions
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18
Documentation/devicetree/bindings/powerpc/fsl/lbc.txt
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@@ -16,20 +16,28 @@ Example:
"fsl,pq2-localbus";
#address-cells = <2>;
#size-cells = <1>;
reg = <f0010100 40>;
reg = <0xf0010100 0x40>;
ranges = <0 0 fe000000 02000000
1 0 f4500000 00008000>;
ranges = <0x0 0x0 0xfe000000 0x02000000
0x1 0x0 0xf4500000 0x00008000
0x2 0x0 0xfd810000 0x00010000>;
flash@0,0 {
compatible = "jedec-flash";
reg = <0 0 2000000>;
reg = <0x0 0x0 0x2000000>;
bank-width = <4>;
device-width = <1>;
};
board-control@1,0 {
reg = <1 0 20>;
reg = <0x1 0x0 0x20>;
compatible = "fsl,mpc8272ads-bcsr";
};
simple-periph@2,0 {
compatible = "fsl,elbc-gpcm-uio";
reg = <0x2 0x0 0x10000>;
elbc-gpcm-br = <0xfd810800>;
elbc-gpcm-or = <0xffff09f7>;
};
};