diff options
| author | Guennadi Liakhovetski <g.liakhovetski@gmx.de> | 2014-05-31 20:38:51 +0200 |
|---|---|---|
| committer | Chris Ball <chris@printf.net> | 2014-06-02 21:24:45 -0400 |
| commit | 75fa9ea6e3c0223cf9f56ed15b0ea3e9ccc627f1 (patch) | |
| tree | dad958b149b4ea5b28c043ec77fa1806698a81a4 /Documentation/devicetree/bindings/mmc | |
| parent | 06732b84b4cf0372f2c1db368c7b4767b020c2d1 (diff) | |
mmc: add a driver for the Renesas usdhi6rol0 SD/SDIO host controller
This patch adds a driver for the Renesas usdhi6rol0 SD/SDIO host controller
in both PIO and DMA modes.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski+renesas@gmail.com>
Signed-off-by: Chris Ball <chris@printf.net>
Diffstat (limited to 'Documentation/devicetree/bindings/mmc')
| -rw-r--r-- | Documentation/devicetree/bindings/mmc/usdhi6rol0.txt | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mmc/usdhi6rol0.txt b/Documentation/devicetree/bindings/mmc/usdhi6rol0.txt new file mode 100644 index 000000000000..8babdaa8623b --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/usdhi6rol0.txt @@ -0,0 +1,33 @@ +* Renesas usdhi6rol0 SD/SDIO host controller + +Required properties: + +- compatible: must be + "renesas,usdhi6rol0" +- interrupts: 3 interrupts, named "card detect", "data" and "SDIO" must be + specified +- clocks: a clock binding for the IMCLK input + +Optional properties: + +- vmmc-supply: a phandle of a regulator, supplying Vcc to the card +- vqmmc-supply: a phandle of a regulator, supplying VccQ to the card + +Additionally any standard mmc bindings from mmc.txt can be used. + +Example: + +sd0: sd@ab000000 { + compatible = "renesas,usdhi6rol0"; + reg = <0xab000000 0x200>; + interrupts = <0 23 0x4 + 0 24 0x4 + 0 25 0x4>; + interrupt-names = "card detect", "data", "SDIO"; + bus-width = <4>; + max-frequency = <50000000>; + cap-power-off-card; + clocks = <&imclk>; + vmmc-supply = <&vcc_sd0>; + vqmmc-supply = <&vccq_sd0>; +}; |