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Tue, 15 Nov 2022 07:50:45 -0800 (PST) Received: from LAP568U.mistral.in ([106.51.227.150]) by smtp.gmail.com with ESMTPSA id y1-20020a17090264c100b00178b6ccc8a0sm10018478pli.51.2022.11.15.07.50.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 15 Nov 2022 07:50:45 -0800 (PST) From: Sinthu Raja X-Google-Original-From: Sinthu Raja To: Nishanth Menon , Tero Kristo , Rob Herring Cc: Vignesh Raghavendra , Krzysztof Kozlowski , linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Sinthu Raja Subject: [PATCH V3 2/3] arm64: dts: ti: Add initial support for AM68 SK System on Module Date: Tue, 15 Nov 2022 21:18:31 +0530 Message-Id: <20221115154832.19759-3-sinthu.raja@ti.com> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20221115154832.19759-1-sinthu.raja@ti.com> References: <20221115154832.19759-1-sinthu.raja@ti.com> MIME-Version: 1.0 X-BESS-ID: 1668527446-304522-5431-3580-1 X-BESS-VER: 2019.1_20221114.2026 X-BESS-Apparent-Source-IP: 209.85.210.199 X-BESS-Outbound-Spam-Score: 0.40 X-BESS-Outbound-Spam-Report: Code version 3.2, rules version 3.2.2.244167 [from cloudscan20-140.eu-central-1b.ess.aws.cudaops.com] Rule breakdown below pts rule name description ---- ---------------------- -------------------------------- 0.00 BSF_SC0_MISMATCH_TO META: Envelope rcpt doesn't match header 0.40 BSF_SC0_SA085b META: Custom Rule SA085b 0.00 BSF_BESS_OUTBOUND META: BESS Outbound X-BESS-Outbound-Spam-Status: SCORE=0.40 using account:ESS91090 scores of KILL_LEVEL=7.0 tests=BSF_SC0_MISMATCH_TO, BSF_SC0_SA085b, BSF_BESS_OUTBOUND X-BESS-BRTS-Status: 1 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H2,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1749577989091315507?= X-GMAIL-MSGID: =?utf-8?q?1749577989091315507?= From: Sinthu Raja AM68 Starter Kit (SK)[1] is a low cost, small form factor board designed for TI’s AM68 SoC. TI’s AM68 SoC comprises of dual core A72, high performance vision accelerators, hardware accelerators, latest C71x DSP, high bandwidth real-time IPs for capture and display. The SoC is power optimized to provide best in class performance for industrial applications. AM68 SK supports the following interfaces: * 16 GB LPDDR4 RAM * x1 Gigabit Ethernet interface * x1 USB 3.1 Type-C port * x2 USB 3.1 Type-A ports * x1 PCIe M.2 M Key * 512 Mbit OSPI flash * x2 CSI2 Camera interface (RPi and TI Camera connector) * 40-pin Raspberry Pi GPIO header SK's System on Module (SoM) contains the SoC and DDR. Therefore, add DT node for the SOC and DDR on the SoM. Schematics: https://www.ti.com/lit/zip/SPRR463 TRM: http://www.ti.com/lit/pdf/spruj28 Signed-off-by: Sinthu Raja --- Changes in V3: Addressed review comments - Removed the unused nodes that are disabled by default. OSPI support will be added once the OSPI node is enabled for J721s2/AM68 in main DTSI. V1: https://lore.kernel.org/linux-arm-kernel/20221018123849.23695-3-sinthu.raja@ti.com/ V2: https://lore.kernel.org/lkml/20221107123852.8063-3-sinthu.raja@ti.com/ arch/arm64/boot/dts/ti/k3-am68-sk-som.dtsi | 31 ++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 arch/arm64/boot/dts/ti/k3-am68-sk-som.dtsi diff --git a/arch/arm64/boot/dts/ti/k3-am68-sk-som.dtsi b/arch/arm64/boot/dts/ti/k3-am68-sk-som.dtsi new file mode 100644 index 000000000000..e282eaafcbd5 --- /dev/null +++ b/arch/arm64/boot/dts/ti/k3-am68-sk-som.dtsi @@ -0,0 +1,31 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2022 Texas Instruments Incorporated - https://www.ti.com/ + */ + +/dts-v1/; + +#include "k3-j721s2.dtsi" +#include + +/ { + memory@80000000 { + device_type = "memory"; + /* 16 GB RAM */ + reg = <0x00 0x80000000 0x00 0x80000000>, + <0x08 0x80000000 0x03 0x80000000>; + }; + + /* Reserving memory regions still pending */ + reserved_memory: reserved-memory { + #address-cells = <2>; + #size-cells = <2>; + ranges; + + secure_ddr: optee@9e800000 { + reg = <0x00 0x9e800000 0x00 0x01800000>; + alignment = <0x1000>; + no-map; + }; + }; +};