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author | Vincent Yang <vincent.yang.fujitsu@gmail.com> | 2015-01-20 16:05:18 +0800 |
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committer | Ulf Hansson <ulf.hansson@linaro.org> | 2015-01-20 09:32:37 +0100 |
commit | 87a507459f49862772127acf051609b37363dd16 (patch) | |
tree | 036556ee935aa03271d283c191e3a1d682180533 /Documentation | |
parent | d3fc5d71ac4dfd28a66689cfd1eea84c4dba8bde (diff) | |
download | linux-87a507459f49862772127acf051609b37363dd16.tar.gz linux-87a507459f49862772127acf051609b37363dd16.tar.bz2 linux-87a507459f49862772127acf051609b37363dd16.zip |
mmc: sdhci: host: add new f_sdh30
This patch adds new host controller driver for
Fujitsu SDHCI controller f_sdh30.
Signed-off-by: Vincent Yang <Vincent.Yang@tw.fujitsu.com>
Signed-off-by: Andy Green <andy.green@linaro.org>
Signed-off-by: Tetsuya Takinishi <t.takinishi@jp.fujitsu.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/devicetree/bindings/mmc/sdhci-fujitsu.txt | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mmc/sdhci-fujitsu.txt b/Documentation/devicetree/bindings/mmc/sdhci-fujitsu.txt new file mode 100644 index 000000000000..de2c53cff4f1 --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/sdhci-fujitsu.txt @@ -0,0 +1,30 @@ +* Fujitsu SDHCI controller + +This file documents differences between the core properties in mmc.txt +and the properties used by the sdhci_f_sdh30 driver. + +Required properties: +- compatible: "fujitsu,mb86s70-sdhci-3.0" +- clocks: Must contain an entry for each entry in clock-names. It is a + list of phandles and clock-specifier pairs. + See ../clocks/clock-bindings.txt for details. +- clock-names: Should contain the following two entries: + "iface" - clock used for sdhci interface + "core" - core clock for sdhci controller + +Optional properties: +- vqmmc-supply: phandle to the regulator device tree node, mentioned + as the VCCQ/VDD_IO supply in the eMMC/SD specs. + +Example: + + sdhci1: mmc@36600000 { + compatible = "fujitsu,mb86s70-sdhci-3.0"; + reg = <0 0x36600000 0x1000>; + interrupts = <0 172 0x4>, + <0 173 0x4>; + bus-width = <4>; + vqmmc-supply = <&vccq_sdhci1>; + clocks = <&clock 2 2 0>, <&clock 2 3 0>; + clock-names = "iface", "core"; + }; |