From mboxrd@z Thu Jan 1 00:00:00 1970 From: lee.jones@linaro.org (Lee Jones) Date: Wed, 14 Mar 2012 14:20:03 +0000 Subject: [PATCH 5/5] MMC: mmci: Add required documentation for Device Tree bindings In-Reply-To: <1331734803-17954-1-git-send-email-lee.jones@linaro.org> References: <1331734803-17954-1-git-send-email-lee.jones@linaro.org> Message-ID: <1331734803-17954-6-git-send-email-lee.jones@linaro.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 --- 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