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Thu, 03 Mar 2022 14:09:21 +0100 Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 70197100034; Thu, 3 Mar 2022 14:09:18 +0100 (CET) Received: from Webmail-eu.st.com (sfhdag2node2.st.com [10.75.127.5]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id 5A18A22178A; Thu, 3 Mar 2022 14:09:18 +0100 (CET) Received: from [10.201.22.79] (10.75.127.49) by SFHDAG2NODE2.st.com (10.75.127.5) with Microsoft SMTP Server (TLS) id 15.0.1497.26; Thu, 3 Mar 2022 14:09:17 +0100 Message-ID: <65581f3a-3ae6-2dd3-7571-1e64982b5f50@foss.st.com> Date: Thu, 3 Mar 2022 14:09:17 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.5.0 Subject: Re: [Linux-stm32] [PATCH v2 12/13] ARM: dts: stm32: enable optee firmware and SCMI support on STM32MP13 Content-Language: en-US To: Ahmad Fatoum , Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Maxime Coquelin , Alexandre Torgue , Philipp Zabel CC: , , , , , Pengutronix Kernel Team References: <20220225133137.813919-1-gabriel.fernandez@foss.st.com> <20220225133137.813919-13-gabriel.fernandez@foss.st.com> <1d90078d-e27f-539d-d010-78a3c4da565a@pengutronix.de> From: Gabriel FERNANDEZ In-Reply-To: <1d90078d-e27f-539d-d010-78a3c4da565a@pengutronix.de> X-Originating-IP: [10.75.127.49] X-ClientProxiedBy: SFHDAG2NODE3.st.com (10.75.127.6) To SFHDAG2NODE2.st.com (10.75.127.5) X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.816,Hydra:6.0.425,FMLib:17.11.64.514 definitions=2022-03-03_07,2022-02-26_01,2022-02-23_01 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220303_050940_512187_E6AE74FC X-CRM114-Status: GOOD ( 19.39 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 2/25/22 16:13, Ahmad Fatoum wrote: > Hello Gabriel, > > On 25.02.22 14:31, gabriel.fernandez@foss.st.com wrote: >> From: Gabriel Fernandez >> >> Enable optee and SCMI clocks support. >> >> Signed-off-by: Gabriel Fernandez >> --- >> arch/arm/boot/dts/stm32mp131.dtsi | 37 +++++++++++++++++++++++++++++++ >> 1 file changed, 37 insertions(+) >> >> diff --git a/arch/arm/boot/dts/stm32mp131.dtsi b/arch/arm/boot/dts/stm32mp131.dtsi >> index 262de4eeb4ed..78eac53224d4 100644 >> --- a/arch/arm/boot/dts/stm32mp131.dtsi >> +++ b/arch/arm/boot/dts/stm32mp131.dtsi >> @@ -27,6 +27,43 @@ arm-pmu { >> interrupt-parent = <&intc>; >> }; >> >> + scmi_sram: sram@2ffff000 { >> + compatible = "mmio-sram"; >> + reg = <0x2ffff000 0x1000>; >> + #address-cells = <1>; >> + #size-cells = <1>; >> + ranges = <0 0x2ffff000 0x1000>; >> + >> + scmi_shm: scmi_shm@0 { >> + compatible = "arm,scmi-shmem"; >> + reg = <0 0x80>; >> + }; >> + }; >> + >> + firmware { >> + optee { >> + method = "smc"; >> + compatible = "linaro,optee-tz"; >> + }; >> + >> + scmi: scmi { >> + compatible = "linaro,scmi-optee"; > This compatible doesn't seem to be documented upstream. I am looking at v5.17-rc5. > Do you have a reference detailing the difference between this conduit and > plain arm,scmi-smc (as used with TF-A on the STM32MP151). > > Cheers, > Ahmad Hi Ahmad, it's on going. https://lore.kernel.org/linux-arm-kernel/20211029102118.GG6526@e120937-lin/T/#mf46c83f0aadce3061ee93fa22159405f38d881a0 > >> + #address-cells = <1>; >> + #size-cells = <0>; >> + linaro,optee-channel-id = <0>; >> + shmem = <&scmi_shm>; >> + >> + scmi_clk: protocol@14 { >> + reg = <0x14>; >> + #clock-cells = <1>; >> + }; >> + >> + scmi_reset: protocol@16 { >> + reg = <0x16>; >> + #reset-cells = <1>; >> + }; >> + }; >> + }; >> clocks { >> clk_axi: clk-axi { >> #clock-cells = <0>; > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel