forge/linux-pinenote
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

powerpc/of: add eSPI controller dts bindings and DTS modification

Browse source 
Also modifiy the document of cell-index in SPI controller. Add the
SPI flash(s25fl128p01) support on p4080ds and mpc8536ds board.

Signed-off-by: Mingkai Hu <Mingkai.hu@freescale.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
This commit is contained in:
Mingkai Hu 2010-10-12 18:18:33 +08:00 • committed by Grant Likely
parent 8b60d6c25b
commit f3016fa591
3 changed files with 79 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

24
Documentation/powerpc/dts-bindings/fsl/spi.txt
View file

@ -1,7 +1,9 @@
* SPI (Serial Peripheral Interface)
Required properties:
- cell-index : SPI controller index.
- cell-index : QE SPI subblock index.
0: QE subblock SPI1
1: QE subblock SPI2
- compatible : should be "fsl,spi".
- mode : the SPI operation mode, it can be "cpu" or "cpu-qe".
- reg : Offset and length of the register set for the device
@ -29,3 +31,23 @@ Example:
gpios = <&gpio 18 1 // device reg=<0>
&gpio 19 1>; // device reg=<1>
};
* eSPI (Enhanced Serial Peripheral Interface)
Required properties:
- compatible : should be "fsl,mpc8536-espi".
- reg : Offset and length of the register set for the device.
- interrupts : should contain eSPI interrupt, the device has one interrupt.
- fsl,espi-num-chipselects : the number of the chipselect signals.
Example:
spi@110000 {
#address-cells = <1>;
#size-cells = <0>;
compatible = "fsl,mpc8536-espi";
reg = <0x110000 0x1000>;
interrupts = <53 0x2>;
interrupt-parent = <&mpic>;
fsl,espi-num-chipselects = <4>;
};