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Thu, 9 Jul 2020 18:20:07 -0500 Received: from DLEE100.ent.ti.com (157.170.170.30) by DLEE114.ent.ti.com (157.170.170.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3; Thu, 9 Jul 2020 18:20:06 -0500 Received: from lelv0327.itg.ti.com (10.180.67.183) by DLEE100.ent.ti.com (157.170.170.30) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3 via Frontend Transport; Thu, 9 Jul 2020 18:20:06 -0500 Received: from fllv0103.dal.design.ti.com (fllv0103.dal.design.ti.com [10.247.120.73]) by lelv0327.itg.ti.com (8.15.2/8.15.2) with ESMTP id 069NK6Y7096058; Thu, 9 Jul 2020 18:20:06 -0500 Received: from localhost ([10.250.34.57]) by fllv0103.dal.design.ti.com (8.14.7/8.14.7) with ESMTP id 069NK6CO124440; Thu, 9 Jul 2020 18:20:06 -0500 From: Suman Anna To: Tony Lindgren Subject: [PATCH 07/13] ARM: dts: omap4-panda-common:: Add system timers to DSP and IPU Date: Thu, 9 Jul 2020 18:19:48 -0500 Message-ID: <20200709231954.1973-8-s-anna@ti.com> X-Mailer: git-send-email 2.26.0 In-Reply-To: <20200709231954.1973-1-s-anna@ti.com> References: <20200709231954.1973-1-s-anna@ti.com> MIME-Version: 1.0 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-20200709_192011_023258_E3388509 X-CRM114-Status: GOOD ( 11.96 ) X-Spam-Score: -2.5 (--) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-2.5 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [198.47.19.142 listed in list.dnswl.org] 0.0 RCVD_IN_MSPIKE_H3 RBL: Good reputation (+3) [198.47.19.142 listed in wl.mailspike.net] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.0 RCVD_IN_MSPIKE_WL Mailspike good senders -0.0 DKIMWL_WL_HIGH DKIMwl.org - Whitelisted High sender 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: Tero Kristo , devicetree@vger.kernel.org, linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org The BIOS System Tick timers have been added for the IPU and DSP remoteproc devices on all the OMAP4-based Panda boards. The following DMTimers are chosen: IPU : GPT3 (SMP-mode) DSP : GPT5 IPU has two Cortex-M3 processors, and is currently expected to be running in SMP-mode, so only a single timer suffices to provide the BIOS tick timer. An additional timer should be added for the second processor in IPU if it were to be run in non-SMP mode. The timer value also needs to be unique from the ones used by other processors so that they can be run simultaneously. The timers are optional, but are mandatory to support device management features such as power management and watchdog support. The above are added to successfully boot and execute firmware images configured with the respective timers, images that use internal processor subsystem timers are not affected. The timers can be changed or removed as per the system integration needs, alongside equivalent changes on the firmware side. Signed-off-by: Suman Anna --- arch/arm/boot/dts/omap4-panda-common.dtsi | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm/boot/dts/omap4-panda-common.dtsi b/arch/arm/boot/dts/omap4-panda-common.dtsi index ef79028fc95f..db0b7e9264f9 100644 --- a/arch/arm/boot/dts/omap4-panda-common.dtsi +++ b/arch/arm/boot/dts/omap4-panda-common.dtsi @@ -595,9 +595,11 @@ hdmi_out: endpoint { &dsp { status = "okay"; memory-region = <&dsp_memory_region>; + ti,timers = <&timer5>; }; &ipu { status = "okay"; memory-region = <&ipu_memory_region>; + ti,timers = <&timer3>; };