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Fri, 23 Aug 2024 16:54:36 -0500 Received: from localhost (bb.dhcp.ti.com [128.247.81.12]) by lelvsmtp6.itg.ti.com (8.15.2/8.15.2) with ESMTP id 47NLsa7U112986; Fri, 23 Aug 2024 16:54:36 -0500 From: Bryan Brattlof Date: Fri, 23 Aug 2024 16:54:29 -0500 Subject: [PATCH v2 2/4] arm64: dts: ti: k3-am62a7-sk: add 1.4ghz opp entry MIME-Version: 1.0 Message-ID: <20240823-opp-v2-2-e2f67b37c299@ti.com> References: <20240823-opp-v2-0-e2f67b37c299@ti.com> In-Reply-To: <20240823-opp-v2-0-e2f67b37c299@ti.com> To: Nishanth Menon , Vignesh Raghavendra , Tero Kristo , Rob Herring , Krzysztof Kozlowski , Conor Dooley CC: , , , Bryan Brattlof X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1079; i=bb@ti.com; h=from:subject:message-id; bh=Pl9OXYAK1LBcKVqUghKt18XrUqJPjyCzc7kXzcTPd1Q=; b=owNCWmg5MUFZJlNZc7dMTgAAb3/////5/6X7HTf2tbyw1f//+y/n3n9fGEJv9/4N9953rW6wA RsZo4JoDI0GmmTQAGho0aaGCAMmgBoA0ADQ00aAZBiGgxMJkDQPSbSMRkaaeUQaND1PUaBoaaNG hoNGmgAaPUANNANANMmg0aAPSBkaaaA0B6m1GgBo0/VD9U09QaANDtQ9TTJ6TRkYjE0GmgNNGgw jCANDQBoZAMhoaMTQMmQDQDRo0yaNNAaAD1GJoBBJXoyvEq4iOCXj5+lZGIrlEYZSYOhjSI4Rfy 1ZQPAG2rx59vUcCKclXs6OlEqnzC62yIkGNlErEJctsmjr4BP8QaY5SsR2rFzbqgXO3xVtxQi+Q fxtPpSswGIzG71ypeJKnStLNI9uRkI4jEZQxoVLhfYUjezFsbvlXqOybHJa8M7TEJ1Odr4ZZ9XZ FXUMMdotEZ59OXMOSJqGhGiuWMNm7gnmBrDzCOpDq2sflh8YBkrihgWIDljAAc8GdKNPZQ3bO29 pgGv3YP61PpzeSByfUshdQAXFvXhkQP4RKonAwIS/hd5GEjYIww36xcrOk94g6Vi06f4fPgXbxJ pcVAT+RB0hRWD0XBEpcdhkJhm+BWmLjFgdHNTRh0MKNsJCEBanIKBFjU5EHvRh4jpOUfwAlZs3s AecK6/e6D0RIQU1GXgf+LuSKcKEg526YnA= X-Developer-Key: i=bb@ti.com; a=openpgp; fpr=D3D177E40A38DF4D1853FEEF41B90D5D71D56CE0 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-20240823_145447_539471_E5AD265E X-CRM114-Status: GOOD ( 10.56 ) 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The AM62Ax reference board is capable of supplying 0v85 to the VDD_CORE which allows the Cortex-A53s to operate at 1.4GHz according to chapter 7.5 of the SoC's data sheet[0]. Append the 1.4Ghz entry to the OPP table to enable this OPP [0] https://www.ti.com/lit/ds/symlink/am62a3.pdf Signed-off-by: Bryan Brattlof --- arch/arm64/boot/dts/ti/k3-am62a7-sk.dts | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts index 67faf46d7a35a..a6f0d87a50d8a 100644 --- a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts +++ b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts @@ -68,6 +68,15 @@ wkup_r5fss0_core0_memory_region: r5f-dma-memory@9c900000 { }; }; + opp-table { + /* Requires VDD_CORE at 0v85 */ + opp-1400000000 { + opp-hz = /bits/ 64 <1400000000>; + opp-supported-hw = <0x01 0x0004>; + clock-latency-ns = <6000000>; + }; + }; + vmain_pd: regulator-0 { /* TPS25750 PD CONTROLLER OUTPUT */ compatible = "regulator-fixed";