This provides full documentation detailing each compulsory, optional and device (variant) specific properties available for use within the MMCI Device Tree. Signed-off-by: Lee Jones <lee.jones@xxxxxxxxxx> --- Documentation/devicetree/bindings/mmc/mmci.txt | 27 ++++++++++++++++++++++++ 1 files changed, 27 insertions(+), 0 deletions(-) create mode 100644 Documentation/devicetree/bindings/mmc/mmci.txt diff --git a/Documentation/devicetree/bindings/mmc/mmci.txt b/Documentation/devicetree/bindings/mmc/mmci.txt new file mode 100644 index 0000000..946f080 --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/mmci.txt @@ -0,0 +1,27 @@ +* ARM PrimeCell MultiMedia Card Interface (MMCI) PL180/1 + +The ARM PrimeCell MMCI PL180 and PL181 provides and interface for +reading and writing to MultiMedia and SD cards alike. + +Required properties: +- compatible : contains "arm,pl18x", "arm,primecell". +- reg : contains pl18x registers and length. +- interrupts : contains the device IRQ(s). +- arm,primecell-periphid : contains the PrimeCell Peripheral ID. + +Optional properties: +- ocr_mask : contains the regulator oscillator mask +- wp-gpios : contains any write protect (ro) gpios +- cd-gpios : contains any card detection gpios +- cd-invert : indicates whether the cd gpio is inverted +- clock_frequency : contains the maximum operating frequency +- mmc_cap_4_bit_data : indicates whether device is 4 bit capable +- mmc_cap_8_bit_data : indicates whether device is 8 bit capable +- mmc_cap_mmc_highspeed : indicates whether MMC is high speed capable +- mmc_cap_sd_highspeed : indicates whether SD is high speed capable + +ux500 variant specific properties: +- gpio-en : contains the level-shifter enable gpio +- gpio-vsel : contains the level-shifter voltage select gpio +- tx_dst_dev_type : contains the tx destination device (DMA) +- rx_src_dev_type : contains the rx source device (DMA) -- 1.7.5.4 -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
