[PATCH 5/5] MMC: mmci: Add required documentation for Device Tree bindings
From: Lee Jones <hidden>
Date: 2012-03-14 14:20:03
Also in:
linux-mmc
Subsystem:
multimedia card (mmc), secure digital (sd) and sdio subsystem, open firmware and flattened device tree bindings, the rest · Maintainers:
Ulf Hansson, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
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 <redacted> --- 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