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Tue, 18 Jun 2019 09:43:47 -0500 Received: from DLEE108.ent.ti.com (157.170.170.38) by DLEE102.ent.ti.com (157.170.170.32) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1713.5; Tue, 18 Jun 2019 09:43:47 -0500 Received: from lelv0327.itg.ti.com (10.180.67.183) by DLEE108.ent.ti.com (157.170.170.38) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1713.5 via Frontend Transport; Tue, 18 Jun 2019 09:43:47 -0500 Received: from [127.0.0.1] (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0327.itg.ti.com (8.15.2/8.15.2) with ESMTP id x5IEhjot016738; Tue, 18 Jun 2019 09:43:46 -0500 Subject: Re: [PATCH 3/4] arm64: dts: ti: k3-j721e: Add the MCU SRAM node To: Suman Anna , Nishanth Menon References: <20190605163434.23173-1-s-anna@ti.com> <20190605163434.23173-4-s-anna@ti.com> From: Tero Kristo Message-ID: Date: Tue, 18 Jun 2019 17:43:44 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: <20190605163434.23173-4-s-anna@ti.com> Content-Language: en-US X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190618_074348_377481_0863536D X-CRM114-Status: GOOD ( 14.66 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 05/06/2019 19:34, Suman Anna wrote: > Add the on-chip SRAM present within the MCU domain as a mmio-sram node. > The K3 J721E SoCs have 1 MB of such memory. Any specific memory range > within this RAM needed by a driver/software module ought to be reserved > using an appropriate child node. > > Signed-off-by: Suman Anna Queuing for 5.3, thanks. -Tero > --- > arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi | 8 ++++++++ > 1 file changed, 8 insertions(+) > > diff --git a/arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi > index b72e033fa159..397ef715e145 100644 > --- a/arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi > +++ b/arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi > @@ -44,6 +44,14 @@ > pinctrl-single,function-mask = <0xffffffff>; > }; > > + mcu_ram: sram@41c00000 { > + compatible = "mmio-sram"; > + reg = <0x00 0x41c00000 0x00 0x100000>; > + ranges = <0x0 0x00 0x41c00000 0x100000>; > + #address-cells = <1>; > + #size-cells = <1>; > + }; > + > wkup_uart0: serial@42300000 { > compatible = "ti,j721e-uart", "ti,am654-uart"; > reg = <0x00 0x42300000 0x00 0x100>; > -- Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. 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