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b=dfqTDqOFAZoWnUqbKw77H45hxE1wtN4STne4lo4PqLI90ftN3oof+vK1e+rgbYywORHDr1IR5NTo9CzApP6ROFLU0jPt4/iREzW4U4Gdeu8nxJBdaO7dVyuHbzBV0qYk5CEgWVdGmF4xfPoMleNgrJ/tLdkR4BstrLf2vAOCkyI= Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=phytec.com; Received: from SJ2PR22MB4354.namprd22.prod.outlook.com (2603:10b6:a03:537::8) by CO3PR22MB3278.namprd22.prod.outlook.com (2603:10b6:303:178::8) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8005.21; Fri, 27 Sep 2024 23:33:29 +0000 Received: from SJ2PR22MB4354.namprd22.prod.outlook.com ([fe80::789c:e41e:1367:383d]) by SJ2PR22MB4354.namprd22.prod.outlook.com ([fe80::789c:e41e:1367:383d%5]) with mapi id 15.20.7982.022; Fri, 27 Sep 2024 23:33:28 +0000 Message-ID: Date: Fri, 27 Sep 2024 16:33:26 -0700 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 1/2] arm64: dts: ti: am62-phycore-som: Increase cpu frequency to 1.4 GHz To: Nishanth Menon Cc: vigneshr@ti.com, kristo@kernel.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, w.egorov@phytec.de, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, upstream@lists.phytec.de References: <20240913175625.3190757-1-ggiordano@phytec.com> <20240913175625.3190757-2-ggiordano@phytec.com> <20240913180949.dlw3k6epqmzlpuu5@studied> Content-Language: en-US From: Garrett Giordano In-Reply-To: <20240913180949.dlw3k6epqmzlpuu5@studied> Content-Type: text/plain; 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Here we add a 1.4 GHz node to the a53_opp_table and >> increase the VDD_CORE voltage accordingly. > The entire argument in introducing the 1.4Ghz overlay seems to have been > to let users have the choice. What has changed since then? I talked with the team and we came back with the following: - Our default PMIC configuration changed for 850000 uV / 1.4 GHz operations - All available users will receive a PCN on update with instructions towards 850000 uV / 1.4 GHz operations These changes make this overlay obsolete. > > Ref: commit 7a5775a3da906dab059b8de60a2b88f6016cb4b8 > > btw, instead of putting a patch to delete the dtso, you should > probably consider a revert patch instead. Thank you, I will send a v2 Monday reverting this patch instead. This will also address the Makefile edits. Regards, Garrett >> Signed-off-by: Garrett Giordano >> --- >> arch/arm64/boot/dts/ti/k3-am62-phycore-som.dtsi | 11 +++++++++-- >> 1 file changed, 9 insertions(+), 2 deletions(-) >> >> diff --git a/arch/arm64/boot/dts/ti/k3-am62-phycore-som.dtsi b/arch/arm64/boot/dts/ti/k3-am62-phycore-som.dtsi >> index ac8959f3d953..8acbd4facf37 100644 >> --- a/arch/arm64/boot/dts/ti/k3-am62-phycore-som.dtsi >> +++ b/arch/arm64/boot/dts/ti/k3-am62-phycore-som.dtsi >> @@ -205,6 +205,13 @@ AM62X_IOPAD(0x01f4, PIN_INPUT, 0) /* (D16) EXTINTn */ >> }; >> }; >> >> +&a53_opp_table { >> + opp-1400000000 { >> + opp-hz = /bits/ 64 <1400000000>; >> + opp-supported-hw = <0x01 0x0004>; >> + }; >> +}; >> + >> &mcu_m4fss { >> mboxes = <&mailbox0_cluster0 &mbox_m4_0>; >> memory-region = <&mcu_m4fss_dma_memory_region>, >> @@ -265,8 +272,8 @@ pmic@30 { >> regulators { >> vdd_core: buck1 { >> regulator-name = "VDD_CORE"; >> - regulator-min-microvolt = <750000>; >> - regulator-max-microvolt = <750000>; >> + regulator-min-microvolt = <850000>; >> + regulator-max-microvolt = <850000>; >> regulator-boot-on; >> regulator-always-on; >> }; >> -- >> 2.25.1 >> >