From patchwork Fri Mar 24 17:54:41 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: AngeloGioacchino Del Regno X-Patchwork-Id: 13187100 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 9FD25C6FD1C for ; Fri, 24 Mar 2023 17:55:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=Leyd8D2nRHtjpbORXUngUPB1GU9NSyALdF0HPadNxJM=; b=xtgL3feHEUdS1Cszhn/2HuOMdT ZFyBjx+9rW7Cccgf2vMS24kjVRTq0EOjfBnP/+ZHdKk/1xifoUAA1Els9OqY8a2DfRFEMlmRsNvlE VeraoS/OPAOgqmOZ7bgSKXqh7CFLqWzU7LSSamNM0Fj0W6UlAAwnJd4r4P6TxYIQIzg6Olcw4FMet W/PG7shsxEY7ReawF4QEmmK05Jp5qnVnwLj9r1Csj50ZD9e+V+1yGm45RedTFJ2q/a+MR3b687zr8 gbPqX7VIYzbZmLw4qfEBKLNxs/T+QsiT4qPATZLPxdrM/632Q+ix3nuez/+mO9iq57OITb+7USR97 fxpLjRXA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pflde-005Acl-0f; Fri, 24 Mar 2023 17:55:42 +0000 Received: from madras.collabora.co.uk ([46.235.227.172]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1pfld6-005AHT-0h; Fri, 24 Mar 2023 17:55:10 +0000 Received: from IcarusMOD.eternityproject.eu (2-237-20-237.ip236.fastwebnet.it [2.237.20.237]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: kholk11) by madras.collabora.co.uk (Postfix) with ESMTPSA id DCDCF6603130; Fri, 24 Mar 2023 17:55:02 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1679680503; bh=WzRAN9wdA273tqZEI1XBRQYQ34kkvCmE+TRLQXkcUfI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Ams36ojBJMVxIc5HvWzMXt7fadVAKmNvyNvXbDr1SIfjjcsxhR4/t1n+E4o1iFfdy 26HgPV3F0T6mZ4xOt2/mfaxLVmw7QYwVKWyIUtu2xvfaOt0nNaR2sL1ewdrA8WgIxC 6RTt244duGpb3yHRXLx2MEHWuBo+JFl53MfcueyylPi3jFZfp8aQ5N6QbEC1T406Ou 3LyK3q7E7S5Trc+zfmiqj4yE2MqC2GX50uUjEIsaxSUFugk7ogyNaVj5pbmebJh/Y3 PANgRk+LyR73AEPhxc2Xe7OypsHaWi7xWDB8UKtMFWyxsYK+0BnEvcoa53jn/3lDpm BFqx4y3RzMdpQ== From: AngeloGioacchino Del Regno To: matthias.bgg@gmail.com Cc: qii.wang@mediatek.com, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, jassisinghbrar@gmail.com, houlong.wei@mediatek.com, linux-i2c@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, kernel@collabora.com, phone-devel@vger.kernel.org, ~postmarketos/upstreaming@lists.sr.ht, AngeloGioacchino Del Regno Subject: [PATCH v1 03/18] arm64: dts: mediatek: mt6795: xperia-m5: Enable Frequency Hopping Date: Fri, 24 Mar 2023 18:54:41 +0100 Message-Id: <20230324175456.219954-4-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.40.0 In-Reply-To: <20230324175456.219954-1-angelogioacchino.delregno@collabora.com> References: <20230324175456.219954-1-angelogioacchino.delregno@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230324_105508_389905_D29D1029 X-CRM114-Status: UNSURE ( 8.21 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-mediatek@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-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Enable FHCTL with Spread Spectrum for MAINPLL, MPLL and MSDCPLL as found on the downstream kernel for this smartphone. Which one to enable, and at what SSC percentage, was found by dumping the debugging data from a running downstream kernel and checking the downstream code. /proc/freqhopping # cat status FH status: =============================================== id == fh_status == pll_status == setting_id == curr_freq == user_defined 0 0 1 0 1599000 0 1 0 1 0 1716000 0 2 1 1 2 1092000 0 3 1 1 2 2912000 0 4 1 0 2 1600000 0 5 0 0 0 0 0 6 0 1 0 1518002 0 7 0 0 0 0 0 8 0 0 0 0 0 Signed-off-by: AngeloGioacchino Del Regno --- arch/arm64/boot/dts/mediatek/mt6795-sony-xperia-m5.dts | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/arch/arm64/boot/dts/mediatek/mt6795-sony-xperia-m5.dts b/arch/arm64/boot/dts/mediatek/mt6795-sony-xperia-m5.dts index d3415527d389..52ce3284a46f 100644 --- a/arch/arm64/boot/dts/mediatek/mt6795-sony-xperia-m5.dts +++ b/arch/arm64/boot/dts/mediatek/mt6795-sony-xperia-m5.dts @@ -48,6 +48,13 @@ bootloader-region@46000000 { }; }; +&fhctl { + clocks = <&apmixedsys CLK_APMIXED_MAINPLL>, <&apmixedsys CLK_APMIXED_MPLL>, + <&apmixedsys CLK_APMIXED_MSDCPLL>; + mediatek,hopping-ssc-percent = <8>, <5>, <8>; + status = "okay"; +}; + &pio { uart0_pins: uart0-pins { pins-rx {