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Date: Mon, 1 Aug 2016 10:22:11 +0100 From: Ben Dooks <ben.dooks@...ethink.co.uk> To: robh+dt@...nel.org, pawel.moll@....com, mark.rutland@....com, galak@...eaurora.org, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, linux-kernel@...ts.codethink.co.uk, linux-mmc@...r.kernel.org Cc: Ben Dooks <ben.dooks@...ethink.co.uk> Subject: [PATCH 1/1] mmc: core: Add the vmmc/vmmcq regulator info The core MMC code adds two (optional) regulator properites that drivers should use to get their supplies. This is not documented anywhere so add information on it. Signed-off-by: Ben Dooks <ben.dooks@...ethink.co.uk> --- Documentation/devicetree/bindings/mmc/mmc.txt | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/Documentation/devicetree/bindings/mmc/mmc.txt b/Documentation/devicetree/bindings/mmc/mmc.txt index ed23b9b..8cbcbce 100644 --- a/Documentation/devicetree/bindings/mmc/mmc.txt +++ b/Documentation/devicetree/bindings/mmc/mmc.txt @@ -71,6 +71,17 @@ Optional SDIO properties: - wakeup-source: Enables wake up of host system on SDIO IRQ assertion (Legacy property supported: "enable-sdio-wakeup") +MMC power +--------- + +Controllers may implement power control from both the connected cards and +the IO signaling (for example to change to high-speed 1.8V signalling). If +the system supports this, then the following two properties should point +to valid regulator nodes: + +- vqmmc-supply: supply node for IO line power +- vmmc-supply: supply node for card's power + MMC power sequences: -------------------- -- 2.8.1
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