From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rob Herring Subject: Re: [PATCH 1/2] qcom: ipq4019: Add regulator support to DK04 device tree Date: Thu, 7 Apr 2016 12:57:36 -0500 Message-ID: <20160407175736.GI32257@rob-hp-laptop> References: <1459804090-31739-1-git-send-email-ssambang@codeaurora.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1459804090-31739-1-git-send-email-ssambang@codeaurora.org> Sender: linux-kernel-owner@vger.kernel.org To: Sreedhar Sambangi Cc: devicetree@vger.kernel.org, andy.gross@linaro.org, linux-arm-msm@vger.kernel.org, david.brown@linaro.org, pawel.moll@arm.com, mark.rutland@arm.com, ijc+devicetree@hellion.org.uk, galak@codeaurora.org, linux@arm.linux.org.uk, linux-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, qca-upstream.external@qca.qualcomm.com List-Id: devicetree@vger.kernel.org On Mon, Apr 04, 2016 at 02:08:10PM -0700, Sreedhar Sambangi wrote: > This adds the regulator nodes to DK04 device tree to support > > Change-Id: I9c1df0e720a330bf6db1889fd2247f6a70ea6faa > Signed-off-by: Sreedhar Sambangi > --- > .../bindings/regulator/ipq4019-regulator.txt | 19 +++++++++++++++++++ > arch/arm/boot/dts/qcom-ipq4019-ap.dk04.1.dtsi | 11 +++++++++++ > 2 files changed, 30 insertions(+) > create mode 100644 Documentation/devicetree/bindings/regulator/ipq4019-regulator.txt > > diff --git a/Documentation/devicetree/bindings/regulator/ipq4019-regulator.txt b/Documentation/devicetree/bindings/regulator/ipq4019-regulator.txt > new file mode 100644 > index 0000000..9d934a4 > --- /dev/null > +++ b/Documentation/devicetree/bindings/regulator/ipq4019-regulator.txt > @@ -0,0 +1,19 @@ > +* Qualcomm Technologies, Inc. IPQ4019 regulators > + > +Required properties: > +- compatible : Must be "regulator-ipq4019". Doesn't match your example which correctly has vendor prefix. Also, the preferred form is ,-. > +- states : Selection of available voltages and corresponding values Too generic of a name. Is this not fixed by the h/w block? > +- reg : Register address for controlling LDO > +- mask : Mask value for switching voltages What else is in this register? If something unrelated, then this is all wrong to the regulator. You can only define the register address in one place in the DT. Otherwise, you should know the mask from the compatible string. Rob