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[109.252.192.83]) by smtp.gmail.com with ESMTPSA id m2sm454587lfo.25.2020.11.04.08.49.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 04 Nov 2020 08:49:43 -0800 (PST) From: Dmitry Osipenko To: Thierry Reding , Jonathan Hunter , Georgi Djakov , Rob Herring , Michael Turquette , Stephen Boyd , Peter De Schrijver , MyungJoo Ham , Kyungmin Park , Chanwoo Choi , Mikko Perttunen , Viresh Kumar , Peter Geis , Nicolas Chauvet , Krzysztof Kozlowski Cc: linux-tegra@vger.kernel.org, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org Subject: [PATCH v7 11/47] dt-bindings: memory: tegra30: emc: Document OPP table and voltage regulator Date: Wed, 4 Nov 2020 19:48:47 +0300 Message-Id: <20201104164923.21238-12-digetx@gmail.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20201104164923.21238-1-digetx@gmail.com> References: <20201104164923.21238-1-digetx@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Document new OPP table and voltage regulator properties which are needed for supporting dynamic voltage-frequency scaling of the memory controller. Some boards may have a fixed core voltage regulator, hence it's optional because frequency scaling still may be desired. Reviewed-by: Rob Herring Signed-off-by: Dmitry Osipenko --- .../memory-controllers/nvidia,tegra30-emc.yaml | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra30-emc.yaml b/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra30-emc.yaml index c243986db420..0a2e2c0d0fdd 100644 --- a/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra30-emc.yaml +++ b/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra30-emc.yaml @@ -39,6 +39,15 @@ properties: description: Phandle of the Memory Controller node. + core-supply: + description: + Phandle of voltage regulator of the SoC "core" power domain. + + operating-points-v2: + description: + Should contain freqs and voltages and opp-supported-hw property, which + is a bitfield indicating SoC speedo ID mask. + patternProperties: "^emc-timings-[0-9]+$": type: object @@ -218,6 +227,7 @@ required: - clocks - nvidia,memory-controller - "#interconnect-cells" + - operating-points-v2 additionalProperties: false @@ -230,6 +240,8 @@ examples: clocks = <&tegra_car 57>; nvidia,memory-controller = <&mc>; + operating-points-v2 = <&dvfs_opp_table>; + core-supply = <&vdd_core>; #interconnect-cells = <0>; -- 2.27.0 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.3 required=3.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED,DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D1B21C00A89 for ; Thu, 5 Nov 2020 08:22:37 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 727ED206ED for ; Thu, 5 Nov 2020 08:22:37 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="YQlZjqd3" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 727ED206ED Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 27FD36EA0F; Thu, 5 Nov 2020 08:21:06 +0000 (UTC) Received: from mail-lf1-x144.google.com (mail-lf1-x144.google.com [IPv6:2a00:1450:4864:20::144]) by gabe.freedesktop.org (Postfix) with ESMTPS id F3AB16E239 for ; Wed, 4 Nov 2020 16:49:44 +0000 (UTC) Received: by mail-lf1-x144.google.com with SMTP id l2so28078755lfk.0 for ; Wed, 04 Nov 2020 08:49:44 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=zPe+0/YRUBexi5uMN/GkvJXoQXyO1wntuOhCKO4PYjA=; b=YQlZjqd3Y0ufLowRJA3QsB31Y7NpZIgj+06IXOQ6+eq9+UnKMvGEu24QLivpB6A7LQ 2C4zW+03RNLuCWi8xFQ3gLq27KGfqOHNnckzGWy5EMLQX8IaP87Sts3240FZtSAKYN+E SUCUDbRt73VFUFuE8y7oUdcGaU5ZVsSyy63i/5N96/TwKBxQ5TMKlm7/iHexN1/xofuu 925pFVVX4je6OnR3uoJqKOhnCNGrWKUj9Rh3RG5JRO4QyTHrS/K2WECqVzyMfyLQlPdN +sjgDWbxOGKXItzCcp9/TE2GjGEEO0gznzTODO5xC3nTw+nbnK9DUYjQB4uxiLkZw9gn OC1g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=zPe+0/YRUBexi5uMN/GkvJXoQXyO1wntuOhCKO4PYjA=; b=SxxvfevIlyZQneMKFe5KLG186Fo2qcEFKuAGDs4ezR1zPkdC1/dboFETDj8C7gU6TC cTrtwLy9/npzb1j2sUaDODtu0BdJW+vK5c7waFd0S/qnhkicMT/hno9ZQDjaJ8d0dd3N 1VjM+2Lwx4PMaZkhLTekJO1oa/VOh4Br83rHkKxu3b8xRcS3CR0oX7q+10YtQLU5/9UI BRdwEaIbKpa3xzxWtMjoGnya5tz3ZDdyPQFY+gz9lbnlb1EQtQwhSQ+CZm3ZgU07zCik hsQ61inFOg9c70ek/aqW9Bu6zXD4q9cEfTvnbrbJrRwq8KBQQGB0RFCKnIWCjbuZdtZ0 mRaw== X-Gm-Message-State: AOAM531zorG2UU4xaOAdJIDEh9sJpCcyU5mkjO/bZEBCcdwOXa+K0ApA itj+9+N8tZFkkG7pcrGgPCGtQxRGSsc= X-Google-Smtp-Source: ABdhPJwgk4Q5UghCChg1NU+InTF2TRZHDkQb/vK7YBZF0U7epGDBX9SNAFzBVs1YHi/JLGyKJCc3EQ== X-Received: by 2002:a05:6512:358d:: with SMTP id m13mr10940243lfr.435.1604508583465; Wed, 04 Nov 2020 08:49:43 -0800 (PST) Received: from localhost.localdomain (109-252-192-83.dynamic.spd-mgts.ru. [109.252.192.83]) by smtp.gmail.com with ESMTPSA id m2sm454587lfo.25.2020.11.04.08.49.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 04 Nov 2020 08:49:43 -0800 (PST) From: Dmitry Osipenko To: Thierry Reding , Jonathan Hunter , Georgi Djakov , Rob Herring , Michael Turquette , Stephen Boyd , Peter De Schrijver , MyungJoo Ham , Kyungmin Park , Chanwoo Choi , Mikko Perttunen , Viresh Kumar , Peter Geis , Nicolas Chauvet , Krzysztof Kozlowski Subject: [PATCH v7 11/47] dt-bindings: memory: tegra30: emc: Document OPP table and voltage regulator Date: Wed, 4 Nov 2020 19:48:47 +0300 Message-Id: <20201104164923.21238-12-digetx@gmail.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20201104164923.21238-1-digetx@gmail.com> References: <20201104164923.21238-1-digetx@gmail.com> MIME-Version: 1.0 X-Mailman-Approved-At: Thu, 05 Nov 2020 08:20:02 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-tegra@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-pm@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Document new OPP table and voltage regulator properties which are needed for supporting dynamic voltage-frequency scaling of the memory controller. Some boards may have a fixed core voltage regulator, hence it's optional because frequency scaling still may be desired. Reviewed-by: Rob Herring Signed-off-by: Dmitry Osipenko --- .../memory-controllers/nvidia,tegra30-emc.yaml | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra30-emc.yaml b/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra30-emc.yaml index c243986db420..0a2e2c0d0fdd 100644 --- a/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra30-emc.yaml +++ b/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra30-emc.yaml @@ -39,6 +39,15 @@ properties: description: Phandle of the Memory Controller node. + core-supply: + description: + Phandle of voltage regulator of the SoC "core" power domain. + + operating-points-v2: + description: + Should contain freqs and voltages and opp-supported-hw property, which + is a bitfield indicating SoC speedo ID mask. + patternProperties: "^emc-timings-[0-9]+$": type: object @@ -218,6 +227,7 @@ required: - clocks - nvidia,memory-controller - "#interconnect-cells" + - operating-points-v2 additionalProperties: false @@ -230,6 +240,8 @@ examples: clocks = <&tegra_car 57>; nvidia,memory-controller = <&mc>; + operating-points-v2 = <&dvfs_opp_table>; + core-supply = <&vdd_core>; #interconnect-cells = <0>; -- 2.27.0 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel