From patchwork Tue Jun 1 02:23:18 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Osipenko X-Patchwork-Id: 12290261 X-Patchwork-Delegate: daniel.lezcano@linaro.org 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=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 DB9BDC4709A for ; Tue, 1 Jun 2021 02:24:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B0084600D1 for ; Tue, 1 Jun 2021 02:24:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232689AbhFAC0C (ORCPT ); Mon, 31 May 2021 22:26:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59856 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232635AbhFAC0B (ORCPT ); Mon, 31 May 2021 22:26:01 -0400 Received: from mail-lf1-x130.google.com (mail-lf1-x130.google.com [IPv6:2a00:1450:4864:20::130]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 692EAC06174A; Mon, 31 May 2021 19:24:18 -0700 (PDT) Received: by mail-lf1-x130.google.com with SMTP id q1so19353495lfo.3; Mon, 31 May 2021 19:24:18 -0700 (PDT) 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=T7jwgPjlusYAYMbjtHrJjh1BfFW4WaS2/S+5bph4b30=; b=WB3fT78tlfBxMi/icd8ZxyBWr7m3UB3XhMN8EGxpEsKmRmZP9OrMMi+Z9VN2I/CIdg X1YE/fVw50WopDQyX6CQQYyoz3JZSISKgANFOJI2Jr4kaPsu9pVfYJkwdheh6DS5oHAW cxtp1cmGvRkRY/1B1VIh6PDqObmyoIV8d7IhwDlYeVAwnKY/+S6uxGIiRJTF6HRSqScn wy3ho4VCW3Jg3/sTgbCF9/aZu+crzOHP5cZUR8kMHhquvNAYkFOsrW2dVNTvGRhEcwfM VsddkiJ26BeV2FPvF1qF7MgAS0u+O0YEjpsI5eTWpLGSpOVcpwieJtOZ0msrYaZSYeCn 9Nlw== 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=T7jwgPjlusYAYMbjtHrJjh1BfFW4WaS2/S+5bph4b30=; b=hDM7kfSx9GcUFsCd8N/tENM8MYi/CY4ysvMDFWWmYDYX5IFW0dK+tIzCdQKAZRyV0G hl/68WvY3nPK2HMr3DhsscHH4mPmcPJEzmYW1Mec3NfgWQvQJadTNgM9jqCh63AQ1ODy ZuNo05FznrRZCnI2r56qZsOEtRLaGnA/HPmHAUTNbhKkIwkTYdeIM+8IT0mozyl2myew yy4nu0vEJljhJ/KNCV3zrdV7eCdSdhLlHaAWb4+Q4BK0Fqvw0A7FRVmqynCoH/wsV91v q0S3gJ+TP3ypj3IOiZg30/2xyM30+ETNz6vGft9g8ppmeQNAfD0oBHnAxFapYhlqlo4q Ogfw== X-Gm-Message-State: AOAM5310ml5EtRKCXIg9kj7heG6xdzxDdBsO9g++g+ftvwdANGQCbW6M Omyib3EzqXtEFf5o5tYXIUY= X-Google-Smtp-Source: ABdhPJzRDEpnQuIL1pgmFEZRRKb2hCKhhFEPx+xH6zJZjy9+F+//nouaZdu1I70dMEldSrXGWEXTUA== X-Received: by 2002:a05:6512:3d0f:: with SMTP id d15mr16809278lfv.639.1622514256364; Mon, 31 May 2021 19:24:16 -0700 (PDT) Received: from localhost.localdomain (79-139-170-222.dynamic.spd-mgts.ru. [79.139.170.222]) by smtp.gmail.com with ESMTPSA id g34sm1524207lfv.59.2021.05.31.19.24.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 31 May 2021 19:24:16 -0700 (PDT) From: Dmitry Osipenko To: Thierry Reding , Jonathan Hunter , MyungJoo Ham , Kyungmin Park , Chanwoo Choi , Peter Geis , Matt Merhar Cc: linux-tegra@vger.kernel.org, linux-pm@vger.kernel.org, Rob Herring , linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH v2 1/2] dt-bindings: devfreq: tegra30-actmon: Convert to schema Date: Tue, 1 Jun 2021 05:23:18 +0300 Message-Id: <20210601022319.17938-2-digetx@gmail.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210601022319.17938-1-digetx@gmail.com> References: <20210601022319.17938-1-digetx@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Convert NVIDIA Tegra ACTMON binding to schema. Reviewed-by: Rob Herring Acked-by: Chanwoo Choi Signed-off-by: Dmitry Osipenko Acked-by: Thierry Reding --- .../arm/tegra/nvidia,tegra30-actmon.txt | 57 --------- .../devfreq/nvidia,tegra30-actmon.yaml | 121 ++++++++++++++++++ 2 files changed, 121 insertions(+), 57 deletions(-) delete mode 100644 Documentation/devicetree/bindings/arm/tegra/nvidia,tegra30-actmon.txt create mode 100644 Documentation/devicetree/bindings/devfreq/nvidia,tegra30-actmon.yaml diff --git a/Documentation/devicetree/bindings/arm/tegra/nvidia,tegra30-actmon.txt b/Documentation/devicetree/bindings/arm/tegra/nvidia,tegra30-actmon.txt deleted file mode 100644 index 897eedfa2bc8..000000000000 --- a/Documentation/devicetree/bindings/arm/tegra/nvidia,tegra30-actmon.txt +++ /dev/null @@ -1,57 +0,0 @@ -NVIDIA Tegra Activity Monitor - -The activity monitor block collects statistics about the behaviour of other -components in the system. This information can be used to derive the rate at -which the external memory needs to be clocked in order to serve all requests -from the monitored clients. - -Required properties: -- compatible: should be "nvidia,tegra-actmon" -- reg: offset and length of the register set for the device -- interrupts: standard interrupt property -- clocks: Must contain a phandle and clock specifier pair for each entry in -clock-names. See ../../clock/clock-bindings.txt for details. -- clock-names: Must include the following entries: - - actmon - - emc -- resets: Must contain an entry for each entry in reset-names. See -../../reset/reset.txt for details. -- reset-names: Must include the following entries: - - actmon -- operating-points-v2: See ../bindings/opp/opp.txt for details. -- interconnects: Should contain entries for memory clients sitting on - MC->EMC memory interconnect path. -- interconnect-names: Should include name of the interconnect path for each - interconnect entry. Consult TRM documentation for - information about available memory clients, see MEMORY - CONTROLLER section. - -For each opp entry in 'operating-points-v2' table: -- opp-supported-hw: bitfield indicating SoC speedo ID mask -- opp-peak-kBps: peak bandwidth of the memory channel - -Example: - dfs_opp_table: opp-table { - compatible = "operating-points-v2"; - - opp@12750000 { - opp-hz = /bits/ 64 <12750000>; - opp-supported-hw = <0x000F>; - opp-peak-kBps = <51000>; - }; - ... - }; - - actmon@6000c800 { - compatible = "nvidia,tegra124-actmon"; - reg = <0x0 0x6000c800 0x0 0x400>; - interrupts = ; - clocks = <&tegra_car TEGRA124_CLK_ACTMON>, - <&tegra_car TEGRA124_CLK_EMC>; - clock-names = "actmon", "emc"; - resets = <&tegra_car 119>; - reset-names = "actmon"; - operating-points-v2 = <&dfs_opp_table>; - interconnects = <&mc TEGRA124_MC_MPCORER &emc>; - interconnect-names = "cpu"; - }; diff --git a/Documentation/devicetree/bindings/devfreq/nvidia,tegra30-actmon.yaml b/Documentation/devicetree/bindings/devfreq/nvidia,tegra30-actmon.yaml new file mode 100644 index 000000000000..ba938eed28ee --- /dev/null +++ b/Documentation/devicetree/bindings/devfreq/nvidia,tegra30-actmon.yaml @@ -0,0 +1,121 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/devfreq/nvidia,tegra30-actmon.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NVIDIA Tegra30 Activity Monitor + +maintainers: + - Dmitry Osipenko + - Jon Hunter + - Thierry Reding + +description: | + The activity monitor block collects statistics about the behaviour of other + components in the system. This information can be used to derive the rate at + which the external memory needs to be clocked in order to serve all requests + from the monitored clients. + +properties: + compatible: + enum: + - nvidia,tegra30-actmon + - nvidia,tegra114-actmon + - nvidia,tegra124-actmon + - nvidia,tegra210-actmon + + reg: + maxItems: 1 + + clocks: + maxItems: 2 + + clock-names: + items: + - const: actmon + - const: emc + + resets: + maxItems: 1 + + reset-names: + items: + - const: actmon + + interrupts: + maxItems: 1 + + interconnects: + minItems: 1 + maxItems: 12 + + interconnect-names: + minItems: 1 + maxItems: 12 + description: + Should include name of the interconnect path for each interconnect + entry. Consult TRM documentation for information about available + memory clients, see MEMORY CONTROLLER and ACTIVITY MONITOR sections. + + operating-points-v2: + description: + Should contain freqs and voltages and opp-supported-hw property, which + is a bitfield indicating SoC speedo ID mask. + +required: + - compatible + - reg + - clocks + - clock-names + - resets + - reset-names + - interrupts + - interconnects + - interconnect-names + - operating-points-v2 + +additionalProperties: false + +examples: + - | + #include + + mc: memory-controller@7000f000 { + compatible = "nvidia,tegra30-mc"; + reg = <0x7000f000 0x400>; + clocks = <&clk 32>; + clock-names = "mc"; + + interrupts = <0 77 4>; + + #iommu-cells = <1>; + #reset-cells = <1>; + #interconnect-cells = <1>; + }; + + emc: external-memory-controller@7000f400 { + compatible = "nvidia,tegra30-emc"; + reg = <0x7000f400 0x400>; + interrupts = <0 78 4>; + clocks = <&clk 57>; + + nvidia,memory-controller = <&mc>; + operating-points-v2 = <&dvfs_opp_table>; + power-domains = <&domain>; + + #interconnect-cells = <0>; + }; + + actmon@6000c800 { + compatible = "nvidia,tegra30-actmon"; + reg = <0x6000c800 0x400>; + interrupts = <0 45 4>; + clocks = <&clk 119>, <&clk 57>; + clock-names = "actmon", "emc"; + resets = <&rst 119>; + reset-names = "actmon"; + operating-points-v2 = <&dvfs_opp_table>; + interconnects = <&mc TEGRA30_MC_MPCORER &emc>; + interconnect-names = "cpu-read"; + }; From patchwork Tue Jun 1 02:23:19 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Osipenko X-Patchwork-Id: 12290259 X-Patchwork-Delegate: daniel.lezcano@linaro.org 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=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 6F5A2C47080 for ; Tue, 1 Jun 2021 02:24:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 53050600D1 for ; Tue, 1 Jun 2021 02:24:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232559AbhFAC0C (ORCPT ); Mon, 31 May 2021 22:26:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59858 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232633AbhFAC0B (ORCPT ); Mon, 31 May 2021 22:26:01 -0400 Received: from mail-lf1-x134.google.com (mail-lf1-x134.google.com [IPv6:2a00:1450:4864:20::134]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D286BC061756; Mon, 31 May 2021 19:24:18 -0700 (PDT) Received: by mail-lf1-x134.google.com with SMTP id w33so19321110lfu.7; Mon, 31 May 2021 19:24:18 -0700 (PDT) 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=S8vIWLZExfHwrllytUl82llWvNAE8jr59cb6GfsI/sc=; b=QSQnS6orgEeE0FakSD3AuyPbB6t71SGC8B6DmuVyXAaqHvFPnfA61rHTHdeGOACVV+ Gj8iQsUoobaERXTkS0Oqk3Ajl5KW+DeeoVNS5jc/7nMM3UyftsNiejYDuyGbjDXMhJub Hh0OM85BCiswJUgO089I5HEu8hip48ZEbGp8LRQjJQ/uQSkV1tFz98SqvSEuNsGje5S1 +5SxCRz2LwgqlI9NKprA488yl5HkwwHPNLxJPG45QXFcdZm6ZAVPeVItDVEUb6GpPx2N cAkNmW1QpVXEvFmSJsYU/yzuFV6S0mrWytzWs1gXg/ObtJB+QvQbdzgNye2vUD/tEDwN rByg== 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=S8vIWLZExfHwrllytUl82llWvNAE8jr59cb6GfsI/sc=; b=VdH/s/6++xLffc3YYKDXawEPt0a3B4mGOA+rX7JpygXkYjIy3BvUliHBzGD6yEo+GP 3b9XrBwBZTBZKkAIeJiwXe8/iwtObyDInNxrzNEjvpv1qXJmIam/fg7D6qsWndkamt8I mhJdA5gXWtG59f9Ymqhb6ft98lgVjHOn4Cehldv0GnTK9/KT9h5GEn0T5wtlnkmrvHgu E8M9I4IwzaMlWEEjWLqzjpE1+x5jWpszEGHJH17W7hWrfuJdB9HTJN5i4x40SiZrqkx+ o3JsSM4fJ5XbW1YrYHgnvJ1MuAzaE0zEJBpQ57q2bsLXE8b1/rigb2NmbzA5djLm9btp K1qA== X-Gm-Message-State: AOAM531GGTz7sOkB8JiB93eQ4uMDxjJ5av1/XqIOmF298ASKKLtc6QJC U33Zwy+8p3CEAqgI/L1f9vw= X-Google-Smtp-Source: ABdhPJxRLTcWUI3a6c18u1QZHb9K/WBQdeqCJeZdWlIhkYUEqu7MTo2564bXnCUcAAl/UL58GLyAxA== X-Received: by 2002:a19:8545:: with SMTP id h66mr5007771lfd.64.1622514257124; Mon, 31 May 2021 19:24:17 -0700 (PDT) Received: from localhost.localdomain (79-139-170-222.dynamic.spd-mgts.ru. [79.139.170.222]) by smtp.gmail.com with ESMTPSA id g34sm1524207lfv.59.2021.05.31.19.24.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 31 May 2021 19:24:16 -0700 (PDT) From: Dmitry Osipenko To: Thierry Reding , Jonathan Hunter , MyungJoo Ham , Kyungmin Park , Chanwoo Choi , Peter Geis , Matt Merhar Cc: linux-tegra@vger.kernel.org, linux-pm@vger.kernel.org, Rob Herring , linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH v2 2/2] dt-bindings: devfreq: tegra30-actmon: Add cooling-cells Date: Tue, 1 Jun 2021 05:23:19 +0300 Message-Id: <20210601022319.17938-3-digetx@gmail.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210601022319.17938-1-digetx@gmail.com> References: <20210601022319.17938-1-digetx@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org The ACTMON watches activity of memory clients. Decisions about a minimum required frequency are made based on the info from ACTMON. We can use ACTMON as a thermal cooling device by limiting the required frequency. Document new cooling-cells property of NVIDIA Tegra ACTMON hardware unit. Acked-by: Chanwoo Choi Acked-by: Thierry Reding Signed-off-by: Dmitry Osipenko Reviewed-by: Rob Herring --- .../devicetree/bindings/devfreq/nvidia,tegra30-actmon.yaml | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/Documentation/devicetree/bindings/devfreq/nvidia,tegra30-actmon.yaml b/Documentation/devicetree/bindings/devfreq/nvidia,tegra30-actmon.yaml index ba938eed28ee..e3379d106728 100644 --- a/Documentation/devicetree/bindings/devfreq/nvidia,tegra30-actmon.yaml +++ b/Documentation/devicetree/bindings/devfreq/nvidia,tegra30-actmon.yaml @@ -63,6 +63,9 @@ properties: Should contain freqs and voltages and opp-supported-hw property, which is a bitfield indicating SoC speedo ID mask. + "#cooling-cells": + const: 2 + required: - compatible - reg @@ -74,6 +77,7 @@ required: - interconnects - interconnect-names - operating-points-v2 + - "#cooling-cells" additionalProperties: false @@ -118,4 +122,5 @@ examples: operating-points-v2 = <&dvfs_opp_table>; interconnects = <&mc TEGRA30_MC_MPCORER &emc>; interconnect-names = "cpu-read"; + #cooling-cells = <2>; };