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author | Ingo Molnar <mingo@elte.hu> | 2011-03-09 10:38:55 +0100 |
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committer | Ingo Molnar <mingo@elte.hu> | 2011-03-09 10:38:59 +0100 |
commit | c8b44163b754612fc4769fe1c5df00e98fc9d3c6 (patch) | |
tree | 77706ff1f2a72ed294885b6cf0a7c0de0f92d6df /Documentation/devicetree/bindings/mmc/mmc-spi-slot.txt | |
parent | ac23f25355ef53f3d14352fcff3c6817527a9749 (diff) | |
parent | a5abba989deceb731047425812d268daf7536575 (diff) |
Merge commit 'v2.6.38-rc8' into x86/asm
Merge reason: Update with the latest fixes.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'Documentation/devicetree/bindings/mmc/mmc-spi-slot.txt')
-rw-r--r-- | Documentation/devicetree/bindings/mmc/mmc-spi-slot.txt | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mmc/mmc-spi-slot.txt b/Documentation/devicetree/bindings/mmc/mmc-spi-slot.txt new file mode 100644 index 000000000000..c39ac2891951 --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/mmc-spi-slot.txt @@ -0,0 +1,23 @@ +MMC/SD/SDIO slot directly connected to a SPI bus + +Required properties: +- compatible : should be "mmc-spi-slot". +- reg : should specify SPI address (chip-select number). +- spi-max-frequency : maximum frequency for this device (Hz). +- voltage-ranges : two cells are required, first cell specifies minimum + slot voltage (mV), second cell specifies maximum slot voltage (mV). + Several ranges could be specified. +- gpios : (optional) may specify GPIOs in this order: Card-Detect GPIO, + Write-Protect GPIO. + +Example: + + mmc-slot@0 { + compatible = "fsl,mpc8323rdb-mmc-slot", + "mmc-spi-slot"; + reg = <0>; + gpios = <&qe_pio_d 14 1 + &qe_pio_d 15 0>; + voltage-ranges = <3300 3300>; + spi-max-frequency = <50000000>; + }; |