From mboxrd@z Thu Jan 1 00:00:00 1970 From: Fabien Dessenne Subject: [PATCH v4 4/8] ARM: dts: stm32: add m4 remoteproc support on STM32MP157c Date: Tue, 14 May 2019 10:26:59 +0200 Message-ID: <1557822423-22658-5-git-send-email-fabien.dessenne@st.com> References: <1557822423-22658-1-git-send-email-fabien.dessenne@st.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1557822423-22658-1-git-send-email-fabien.dessenne@st.com> Sender: linux-kernel-owner@vger.kernel.org To: Rob Herring , Mark Rutland , Maxime Coquelin , Alexandre Torgue , Ohad Ben-Cohen , Bjorn Andersson , devicetree@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-remoteproc@vger.kernel.org Cc: Fabien Dessenne , Loic Pallardy , Arnaud Pouliquen , Ludovic Barre , Benjamin Gaignard List-Id: devicetree@vger.kernel.org Declare the M4 remote processor in a sub-node of the mlahb simple bus. Signed-off-by: Fabien Dessenne --- arch/arm/boot/dts/stm32mp157c.dtsi | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/arch/arm/boot/dts/stm32mp157c.dtsi b/arch/arm/boot/dts/stm32mp157c.dtsi index c664b55..39bbcda 100644 --- a/arch/arm/boot/dts/stm32mp157c.dtsi +++ b/arch/arm/boot/dts/stm32mp157c.dtsi @@ -1242,4 +1242,24 @@ status = "disabled"; }; }; + + mlahb { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + dma-ranges = <0x00000000 0x38000000 0x10000>, + <0x10000000 0x10000000 0x60000>, + <0x30000000 0x30000000 0x60000>; + + m4_rproc: m4@10000000 { + compatible = "st,stm32mp1-m4"; + reg = <0x10000000 0x40000>, + <0x30000000 0x40000>, + <0x38000000 0x10000>; + resets = <&rcc MCU_R>; + st,syscfg-holdboot = <&rcc 0x10C 0x1>; + st,syscfg-tz = <&rcc 0x000 0x1>; + status = "disabled"; + }; + }; }; -- 2.7.4