From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ben Dooks Subject: [PATCH 1/1] mmc: core: Add the vmmc/vmmcq regulator info Date: Mon, 1 Aug 2016 10:22:11 +0100 Message-ID: <1470043331-5123-1-git-send-email-ben.dooks@codethink.co.uk> Return-path: Sender: linux-mmc-owner@vger.kernel.org To: robh+dt@kernel.org, pawel.moll@arm.com, mark.rutland@arm.com, galak@codeaurora.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kernel@lists.codethink.co.uk, linux-mmc@vger.kernel.org Cc: Ben Dooks List-Id: devicetree@vger.kernel.org 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 --- 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