diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-21 17:37:00 -0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-21 17:37:00 -0400 |
commit | 70ada77920723fbc2b35e9b301022fb1e166b41b (patch) | |
tree | f30f24135eff89020d8ae21d6c7a83cf5c812585 /Documentation | |
parent | b22793f7fdc38d73c4bb4299a313deef56dcfe66 (diff) | |
parent | 2764c500be0c1f057349ee6c81557239de060f87 (diff) |
Merge branch 'next-spi' of git://git.secretlab.ca/git/linux-2.6
* 'next-spi' of git://git.secretlab.ca/git/linux-2.6: (53 commits)
spi/omap2_mcspi: Verify TX reg is empty after TX only xfer with DMA
spi/omap2_mcspi: disable channel after TX_ONLY transfer in PIO mode
spi/bfin_spi: namespace local structs
spi/bfin_spi: init early
spi/bfin_spi: check per-transfer bits_per_word
spi/bfin_spi: warn when CS is driven by hardware (CPHA=0)
spi/bfin_spi: cs should be always low when a new transfer begins
spi/bfin_spi: fix typo in comment
spi/bfin_spi: reject unsupported SPI modes
spi/bfin_spi: use dma_disable_irq_nosync() in irq handler
spi/bfin_spi: combine duplicate SPI_CTL read/write logic
spi/bfin_spi: reset ctl_reg bits when setup is run again on a device
spi/bfin_spi: push all size checks into the transfer function
spi/bfin_spi: use nosync when disabling the IRQ from the IRQ handler
spi/bfin_spi: sync hardware state before reprogramming everything
spi/bfin_spi: save/restore state when suspending/resuming
spi/bfin_spi: redo GPIO CS handling
Blackfin: SPI: expand SPI bitmasks
spi/bfin_spi: use the SPI namespaced bit names
spi/bfin_spi: drop extra memory we don't need
...
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/powerpc/dts-bindings/fsl/spi.txt | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/Documentation/powerpc/dts-bindings/fsl/spi.txt b/Documentation/powerpc/dts-bindings/fsl/spi.txt index 80510c018eea..777abd7399d5 100644 --- a/Documentation/powerpc/dts-bindings/fsl/spi.txt +++ b/Documentation/powerpc/dts-bindings/fsl/spi.txt | |||
@@ -1,7 +1,9 @@ | |||
1 | * SPI (Serial Peripheral Interface) | 1 | * SPI (Serial Peripheral Interface) |
2 | 2 | ||
3 | Required properties: | 3 | Required properties: |
4 | - cell-index : SPI controller index. | 4 | - cell-index : QE SPI subblock index. |
5 | 0: QE subblock SPI1 | ||
6 | 1: QE subblock SPI2 | ||
5 | - compatible : should be "fsl,spi". | 7 | - compatible : should be "fsl,spi". |
6 | - mode : the SPI operation mode, it can be "cpu" or "cpu-qe". | 8 | - mode : the SPI operation mode, it can be "cpu" or "cpu-qe". |
7 | - reg : Offset and length of the register set for the device | 9 | - reg : Offset and length of the register set for the device |
@@ -29,3 +31,23 @@ Example: | |||
29 | gpios = <&gpio 18 1 // device reg=<0> | 31 | gpios = <&gpio 18 1 // device reg=<0> |
30 | &gpio 19 1>; // device reg=<1> | 32 | &gpio 19 1>; // device reg=<1> |
31 | }; | 33 | }; |
34 | |||
35 | |||
36 | * eSPI (Enhanced Serial Peripheral Interface) | ||
37 | |||
38 | Required properties: | ||
39 | - compatible : should be "fsl,mpc8536-espi". | ||
40 | - reg : Offset and length of the register set for the device. | ||
41 | - interrupts : should contain eSPI interrupt, the device has one interrupt. | ||
42 | - fsl,espi-num-chipselects : the number of the chipselect signals. | ||
43 | |||
44 | Example: | ||
45 | spi@110000 { | ||
46 | #address-cells = <1>; | ||
47 | #size-cells = <0>; | ||
48 | compatible = "fsl,mpc8536-espi"; | ||
49 | reg = <0x110000 0x1000>; | ||
50 | interrupts = <53 0x2>; | ||
51 | interrupt-parent = <&mpic>; | ||
52 | fsl,espi-num-chipselects = <4>; | ||
53 | }; | ||