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author | Warner Losh <imp@FreeBSD.org> | 2015-02-27 22:16:54 +0000 |
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committer | Warner Losh <imp@FreeBSD.org> | 2015-02-27 22:16:54 +0000 |
commit | da75c2cc5808a45edc76752ba495dcc5dcd4346c (patch) | |
tree | 74a0899e9f467d761efca9e14d7d3213fb899de8 /Bindings/mmc/mmc-pwrseq-simple.txt | |
parent | ab9104d36764981b663e037d0e48496993a070a4 (diff) | |
download | src-da75c2cc5808a45edc76752ba495dcc5dcd4346c.tar.gz src-da75c2cc5808a45edc76752ba495dcc5dcd4346c.zip |
Import from device-tree git://xenbits.xen.org/people/ianc/device-tree-rebasing.git @c8c1b3a77934768c7f7a4a9c10140c8bec529059vendor/device-tree/ian-c8c1b3a7
Notes
Notes:
svn path=/vendor/device-tree/dist/; revision=279377
svn path=/vendor/device-tree/ian-c8c1b3a7/; revision=279379; tag=vendor/device-tree/ian-c8c1b3a7
Diffstat (limited to 'Bindings/mmc/mmc-pwrseq-simple.txt')
-rw-r--r-- | Bindings/mmc/mmc-pwrseq-simple.txt | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/Bindings/mmc/mmc-pwrseq-simple.txt b/Bindings/mmc/mmc-pwrseq-simple.txt new file mode 100644 index 000000000000..a462c50f19a8 --- /dev/null +++ b/Bindings/mmc/mmc-pwrseq-simple.txt @@ -0,0 +1,25 @@ +* The simple MMC power sequence provider + +The purpose of the simple MMC power sequence provider is to supports a set of +common properties between various SOC designs. It thus enables us to use the +same provider for several SOC designs. + +Required properties: +- compatible : contains "mmc-pwrseq-simple". + +Optional properties: +- reset-gpios : contains a list of GPIO specifiers. The reset GPIOs are asserted + at initialization and prior we start the power up procedure of the card. + They will be de-asserted right after the power has been provided to the + card. +- clocks : Must contain an entry for the entry in clock-names. + See ../clocks/clock-bindings.txt for details. +- clock-names : Must include the following entry: + "ext_clock" (External clock provided to the card). + +Example: + + sdhci0_pwrseq { + compatible = "mmc-pwrseq-simple"; + reset-gpios = <&gpio1 12 0>; + } |