From patchwork Fri Dec 22 11:14:07 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Brandon Cheo Fusi X-Patchwork-Id: 758002 Received: from mail-ed1-f50.google.com (mail-ed1-f50.google.com [209.85.208.50]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8CC961642B; Fri, 22 Dec 2023 11:15:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="kySwk9Nz" Received: by mail-ed1-f50.google.com with SMTP id 4fb4d7f45d1cf-54cb4fa667bso2197742a12.3; Fri, 22 Dec 2023 03:15:06 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1703243705; x=1703848505; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=7BvelMzmtyu1Sqb0MGaQ3BVDecc44IV/AoEGKsA1SR0=; b=kySwk9NzAbdkfRJU0+f48Ue96QJ9P1R0KlziIm64MqncRQEjeEU4+GxKQZ7at7ArVf Zh7E+npUe4KuQ/OAaA2VsdR0IBWztA86VTvhiiAOr/2K7aWvpDxugwXqCM7IgXydtahW ewsZ5uBGP+Xxv8lO1JZAtob9zRGnYUvugn1j0hjATG40FRAlw4Y8jZz4LRkuJ0/TGv2v Uzk2ly3XuUnLKKXhJ9pZogq9KOiwDw1388yn3eIXwVsls3li05sYs8aYXNCaXtbl6+9I 5nr7ug7bKSdH7Z+9D1exGVLpzzzBhiYTjPMRTX2JI+bJO8Wu7EQXQZ82KEsZzmfbVuyS RFyw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1703243705; x=1703848505; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=7BvelMzmtyu1Sqb0MGaQ3BVDecc44IV/AoEGKsA1SR0=; b=tcxcdq6MmVaSpdVTXMOFlyIK//bDNmQfUuPEfi1mITaSuz/snke/hlRuTYksnJ6LSM G46TI0CYISmexC/m8GILIYPkF4W3OxPIujSr/RaSjRyEUcJXjoHzXLXMkrreEkdUPgVN ciJ3VYRvawjNVUlbIbV0vJd7SyHSe8ufKjoCbaCwn2lA8gwqYOxfBtYLuBjodxMd6Gow CfQ9zHh9lvSyo1jRMLUPD3drP2PGGSkTDYIlkP5t0dGFZxbml2thCazO/HsZgR4CHiMm utSpTsFc2vLfQR6beC0s9fKs0pKz+60TLsFJJzenCXf5trzFRtkkbtwwd0pSWhheFAqs 1qNQ== X-Gm-Message-State: AOJu0YzsrDmxwIvPxFPlPAZS+NP9wiwBhLnuWdUvmSwvWx45J13jYglO bzhGMydFXLt71HZYvqj/1tg= X-Google-Smtp-Source: AGHT+IGWir11b4gGwRl3NO7lj7pMTMBbWgNmeSbRuM9TWOJnnwaniRMrtaZLnxpLWHffPO330BSmbA== X-Received: by 2002:a05:6402:124b:b0:551:ab9e:53c6 with SMTP id l11-20020a056402124b00b00551ab9e53c6mr575373edw.52.1703243704565; Fri, 22 Dec 2023 03:15:04 -0800 (PST) Received: from localhost.localdomain ([154.72.162.91]) by smtp.gmail.com with ESMTPSA id es15-20020a056402380f00b0055267663784sm2420469edb.11.2023.12.22.03.14.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 Dec 2023 03:15:03 -0800 (PST) From: Brandon Cheo Fusi To: Andre Przywara , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Paul Walmsley , Palmer Dabbelt , Albert Ou , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Yangtao Li , "Rafael J . Wysocki" , Viresh Kumar , Stephen Rothwell Cc: devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, Brandon Cheo Fusi Subject: [RFC PATCH v3 3/3] riscv: dts: allwinner: Fill in OPPs Date: Fri, 22 Dec 2023 12:14:07 +0100 Message-Id: <20231222111407.104270-4-fusibrandon13@gmail.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20231222111407.104270-1-fusibrandon13@gmail.com> References: <20231222111407.104270-1-fusibrandon13@gmail.com> Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Specify two voltage ranges, in order of increasing stability, for each OPP. Also define an nvmem cpu speed grade cell of length 2. Link: https://github.com/Tina-Linux/linux-5.4/blob/master/arch/riscv/boot/dts/sunxi/sun20iw1p1.dtsi#L118-L133 Link: https://github.com/mangopi-sbc/tina-linux-5.4/blob/0d4903ebd9d2194ad914686d5b0fc1ddacf11a9d/arch/riscv/boot/dts/sunxi/sun20iw1p1.dtsi#L118-L182 Signed-off-by: Brandon Cheo Fusi --- arch/riscv/boot/dts/allwinner/sun20i-d1s.dtsi | 19 ++++++++++++++++--- 1 file changed, 16 insertions(+), 3 deletions(-) diff --git a/arch/riscv/boot/dts/allwinner/sun20i-d1s.dtsi b/arch/riscv/boot/dts/allwinner/sun20i-d1s.dtsi index 64c3c2e6c..7e2e015e0 100644 --- a/arch/riscv/boot/dts/allwinner/sun20i-d1s.dtsi +++ b/arch/riscv/boot/dts/allwinner/sun20i-d1s.dtsi @@ -39,16 +39,23 @@ cpu0_intc: interrupt-controller { }; opp_table_cpu: opp-table-cpu { - compatible = "operating-points-v2"; + compatible = "allwinner,sun20i-d1-operating-points"; + nvmem-cells = <&cpu_speed_grade>; + nvmem-cell-names = "speed"; + opp-shared; opp-408000000 { opp-hz = /bits/ 64 <408000000>; - opp-microvolt = <900000 900000 1100000>; + + opp-microvolt-speed0 = <950000 950000 1100000>; + opp-microvolt-speed1 = <900000 900000 1100000>; }; opp-1080000000 { opp-hz = /bits/ 64 <1008000000>; - opp-microvolt = <900000 900000 1100000>; + + opp-microvolt-speed0 = <1100000>; + opp-microvolt-speed1 = <950000 950000 1100000>; }; }; @@ -115,3 +122,9 @@ pmu { <0x00000000 0x0000000f 0xffffffff 0xffffffff 0x00020000>; }; }; + +&sid { + cpu_speed_grade: cpu-speed-grade@0 { + reg = <0x00 0x2>; + }; +};