From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rob Herring Subject: Re: [PATCH 8/8] dt-bindings: stm32: add compatible for syscon Date: Tue, 1 May 2018 09:01:24 -0500 Message-ID: <20180501140124.GA17771@rob-hp-laptop> References: <1524582120-4451-1-git-send-email-christophe.roullier@st.com> <1524582120-4451-9-git-send-email-christophe.roullier@st.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1524582120-4451-9-git-send-email-christophe.roullier@st.com> Sender: netdev-owner@vger.kernel.org To: Christophe Roullier Cc: mark.rutland@arm.com, mcoquelin.stm32@gmail.com, alexandre.torgue@st.com, peppe.cavallaro@st.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, netdev@vger.kernel.org List-Id: devicetree@vger.kernel.org On Tue, Apr 24, 2018 at 05:02:00PM +0200, Christophe Roullier wrote: > This patch describes syscon DT bindings. > > Signed-off-by: Christophe Roullier > --- > Documentation/devicetree/bindings/arm/stm32.txt | 7 +++++++ > 1 file changed, 7 insertions(+) > > diff --git a/Documentation/devicetree/bindings/arm/stm32.txt b/Documentation/devicetree/bindings/arm/stm32.txt > index 6808ed9..a871a78 100644 > --- a/Documentation/devicetree/bindings/arm/stm32.txt > +++ b/Documentation/devicetree/bindings/arm/stm32.txt > @@ -8,3 +8,10 @@ using one of the following compatible strings: > st,stm32f746 > st,stm32h743 > st,stm32mp157 > + > +Required nodes: > + > +- syscon: some subnode of the STM32 SoC node must be a > + system controller node pointing to the control registers, > + with the compatible string set to one of these tuples: > + "st,stm32-syscfg", "syscon" This should be a separate file. I'd guess the syscfg registers differ from SoC to SoC, so you need more specific compatible strings. Rob