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[24.155.109.49]) by smtp.gmail.com with ESMTPSA id w5sm21290otg.34.2019.05.02.13.51.24 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 02 May 2019 13:51:24 -0700 (PDT) Date: Thu, 2 May 2019 15:51:24 -0500 From: Rob Herring To: Gerald BAEZA Subject: Re: [PATCH 2/5] dt-bindings: perf: stm32: ddrperfm support Message-ID: <20190502205124.GA17384@bogus> References: <1556532194-27904-1-git-send-email-gerald.baeza@st.com> <1556532194-27904-3-git-send-email-gerald.baeza@st.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <1556532194-27904-3-git-send-email-gerald.baeza@st.com> User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190502_135127_667455_F5900A94 X-CRM114-Status: GOOD ( 18.10 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "mark.rutland@arm.com" , "devicetree@vger.kernel.org" , Alexandre TORGUE , "arnd@arndb.de" , "corbet@lwn.net" , "linux-doc@vger.kernel.org" , "will.deacon@arm.com" , "linux@armlinux.org.uk" , "linux-kernel@vger.kernel.org" , "mcoquelin.stm32@gmail.com" , "olof@lixom.net" , "horms+renesas@verge.net.au" , "linux-stm32@st-md-mailman.stormreply.com" , "linux-arm-kernel@lists.infradead.org" Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, Apr 29, 2019 at 10:03:37AM +0000, Gerald BAEZA wrote: > The DDRPERFM is the DDR Performance Monitor embedded in STM32MP1 SOC. > > This documentation indicates how to enable stm32-ddr-pmu driver on > DDRPERFM peripheral, via the device tree. > > Signed-off-by: Gerald Baeza > --- > .../devicetree/bindings/perf/stm32-ddr-pmu.txt | 18 ++++++++++++++++++ > 1 file changed, 18 insertions(+) > create mode 100644 Documentation/devicetree/bindings/perf/stm32-ddr-pmu.txt > > diff --git a/Documentation/devicetree/bindings/perf/stm32-ddr-pmu.txt b/Documentation/devicetree/bindings/perf/stm32-ddr-pmu.txt > new file mode 100644 > index 0000000..dabc4c7 > --- /dev/null > +++ b/Documentation/devicetree/bindings/perf/stm32-ddr-pmu.txt > @@ -0,0 +1,18 @@ > +* STM32 DDR Performance Monitor (DDRPERFM) > + > +Required properties: > +- compatible: must be "st,stm32-ddr-pmu". > +- reg: physical address and length of the registers set. > +- clocks: list of phandles and specifiers to all input clocks listed in > + clock-names property. > +- clock-names: "bus" corresponds to the DDRPERFM bus clock and "ddr" to > + the DDR frequency. You have 'resets' in the dts. > + > +Example: > + ddrperfm: perf@5a007000 { > + compatible = "st,stm32-ddr-pmu"; > + reg = <0x5a007000 0x400>; > + clocks = <&rcc DDRPERFM>, <&rcc PLL2_R>; > + clock-names = "bus", "ddr"; > + }; > + > -- > 2.7.4 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel