From patchwork Tue Jan 19 17:45:28 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: AngeloGioacchino Del Regno X-Patchwork-Id: 366310 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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, 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 2C651C28CC4 for ; Tue, 19 Jan 2021 18:29:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 124EE233EF for ; Tue, 19 Jan 2021 18:29:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2392253AbhASSBx (ORCPT ); Tue, 19 Jan 2021 13:01:53 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41842 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2392182AbhASSBS (ORCPT ); Tue, 19 Jan 2021 13:01:18 -0500 Received: from relay08.th.seeweb.it (relay08.th.seeweb.it [IPv6:2001:4b7a:2000:18::169]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 154E7C061384; Tue, 19 Jan 2021 09:45:32 -0800 (PST) Received: from IcarusMOD.eternityproject.eu (unknown [2.237.20.237]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by m-r2.th.seeweb.it (Postfix) with ESMTPSA id E96B93F1D5; Tue, 19 Jan 2021 18:45:30 +0100 (CET) From: AngeloGioacchino Del Regno To: nks@flawful.org Cc: bjorn.andersson@linaro.org, agross@kernel.org, robh+dt@kernel.org, linux-pm@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, phone-devel@vger.kernel.org, konrad.dybcio@somainline.org, marijn.suijten@somainline.org, martin.botka@somainline.org, jeffrey.l.hugo@gmail.com, AngeloGioacchino Del Regno Subject: [PATCH v4 2/3] dt-bindings: avs: cpr: Convert binding to YAML schema Date: Tue, 19 Jan 2021 18:45:28 +0100 Message-Id: <20210119174529.227074-3-angelogioacchino.delregno@somainline.org> X-Mailer: git-send-email 2.30.0 In-Reply-To: <20210119174529.227074-1-angelogioacchino.delregno@somainline.org> References: <20210119174529.227074-1-angelogioacchino.delregno@somainline.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Convert the qcom,cpr.txt document to YAML schema and place it in the appropriate directory, since this driver was moved from power/avs to soc/qcom, but forgets to move the documentation. Fixes: a7305e684fcf ("PM: AVS: qcom-cpr: Move the driver to the qcom specific drivers") Signed-off-by: AngeloGioacchino Del Regno --- .../bindings/power/avs/qcom,cpr.txt | 131 +------------- .../bindings/soc/qcom/qcom,cpr.yaml | 167 ++++++++++++++++++ MAINTAINERS | 2 +- 3 files changed, 169 insertions(+), 131 deletions(-) create mode 100644 Documentation/devicetree/bindings/soc/qcom/qcom,cpr.yaml diff --git a/Documentation/devicetree/bindings/power/avs/qcom,cpr.txt b/Documentation/devicetree/bindings/power/avs/qcom,cpr.txt index ab0d5ebbad4e..2ada8cd08949 100644 --- a/Documentation/devicetree/bindings/power/avs/qcom,cpr.txt +++ b/Documentation/devicetree/bindings/power/avs/qcom,cpr.txt @@ -1,130 +1 @@ -QCOM CPR (Core Power Reduction) - -CPR (Core Power Reduction) is a technology to reduce core power on a CPU -or other device. Each OPP of a device corresponds to a "corner" that has -a range of valid voltages for a particular frequency. While the device is -running at a particular frequency, CPR monitors dynamic factors such as -temperature, etc. and suggests adjustments to the voltage to save power -and meet silicon characteristic requirements. - -- compatible: - Usage: required - Value type: - Definition: should be "qcom,qcs404-cpr", "qcom,cpr" for qcs404 - -- reg: - Usage: required - Value type: - Definition: base address and size of the rbcpr register region - -- interrupts: - Usage: required - Value type: - Definition: should specify the CPR interrupt - -- clocks: - Usage: required - Value type: - Definition: phandle to the reference clock - -- clock-names: - Usage: required - Value type: - Definition: must be "ref" - -- vdd-apc-supply: - Usage: required - Value type: - Definition: phandle to the vdd-apc-supply regulator - -- #power-domain-cells: - Usage: required - Value type: - Definition: should be 0 - -- operating-points-v2: - Usage: required - Value type: - Definition: A phandle to the OPP table containing the - performance states supported by the CPR - power domain - -- acc-syscon: - Usage: optional - Value type: - Definition: phandle to syscon for writing ACC settings - -- nvmem-cells: - Usage: required - Value type: - Definition: phandle to nvmem cells containing the data - that makes up a fuse corner, for each fuse corner. - As well as the CPR fuse revision. - -- nvmem-cell-names: - Usage: required - Value type: - Definition: should be "cpr_quotient_offset1", "cpr_quotient_offset2", - "cpr_quotient_offset3", "cpr_init_voltage1", - "cpr_init_voltage2", "cpr_init_voltage3", "cpr_quotient1", - "cpr_quotient2", "cpr_quotient3", "cpr_ring_osc1", - "cpr_ring_osc2", "cpr_ring_osc3", "cpr_fuse_revision" - for qcs404. - -Example: - - cpr_opp_table: cpr-opp-table { - compatible = "operating-points-v2-qcom-level"; - - cpr_opp1: opp1 { - opp-level = <1>; - qcom,opp-fuse-level = <1>; - }; - cpr_opp2: opp2 { - opp-level = <2>; - qcom,opp-fuse-level = <2>; - }; - cpr_opp3: opp3 { - opp-level = <3>; - qcom,opp-fuse-level = <3>; - }; - }; - - power-controller@b018000 { - compatible = "qcom,qcs404-cpr", "qcom,cpr"; - reg = <0x0b018000 0x1000>; - interrupts = <0 15 IRQ_TYPE_EDGE_RISING>; - clocks = <&xo_board>; - clock-names = "ref"; - vdd-apc-supply = <&pms405_s3>; - #power-domain-cells = <0>; - operating-points-v2 = <&cpr_opp_table>; - acc-syscon = <&tcsr>; - - nvmem-cells = <&cpr_efuse_quot_offset1>, - <&cpr_efuse_quot_offset2>, - <&cpr_efuse_quot_offset3>, - <&cpr_efuse_init_voltage1>, - <&cpr_efuse_init_voltage2>, - <&cpr_efuse_init_voltage3>, - <&cpr_efuse_quot1>, - <&cpr_efuse_quot2>, - <&cpr_efuse_quot3>, - <&cpr_efuse_ring1>, - <&cpr_efuse_ring2>, - <&cpr_efuse_ring3>, - <&cpr_efuse_revision>; - nvmem-cell-names = "cpr_quotient_offset1", - "cpr_quotient_offset2", - "cpr_quotient_offset3", - "cpr_init_voltage1", - "cpr_init_voltage2", - "cpr_init_voltage3", - "cpr_quotient1", - "cpr_quotient2", - "cpr_quotient3", - "cpr_ring_osc1", - "cpr_ring_osc2", - "cpr_ring_osc3", - "cpr_fuse_revision"; - }; +This file has been moved to ../../soc/qcom/qcom,cpr.yaml diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,cpr.yaml b/Documentation/devicetree/bindings/soc/qcom/qcom,cpr.yaml new file mode 100644 index 000000000000..f58dc6c138a6 --- /dev/null +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,cpr.yaml @@ -0,0 +1,167 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/soc/qcom/qcom,cpr.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: Qualcomm Core Power Reduction (CPR) + +description: | + CPR (Core Power Reduction) is a technology to reduce core power on a CPU + or other device. Each OPP of a device corresponds to a "corner" that has + a range of valid voltages for a particular frequency. While the device is + running at a particular frequency, CPR monitors dynamic factors such as + temperature, etc. and suggests adjustments to the voltage to save power + and meet silicon characteristic requirements. + +maintainers: + - Niklas Cassel + +properties: + compatible: + items: + - enum: + - qcom,qcs404-cpr + - const: qcom,cpr + + reg: + description: Base address and size of the RBCPR register region + maxItems: 1 + + interrupts: + maxItems: 1 + + clock-names: + items: + - const: ref + + clocks: + items: + - description: CPR reference clock + + vdd-apc-supply: + description: Autonomous Phase Control (APC) power supply + + '#power-domain-cells': + const: 0 + + acc-syscon: + description: phandle to syscon for writing ACC settings + + nvmem-cells: + minItems: 9 + maxItems: 32 + description: Cells containing the fuse corners and revision data + + nvmem-cell-names: + minItems: 9 + maxItems: 32 + + operating-points-v2: true + +required: + - compatible + - reg + - interrupts + - clock-names + - clocks + - vdd-apc-supply + - "#power-domain-cells" + - nvmem-cells + - nvmem-cell-names + - operating-points-v2 + +additionalProperties: false + +examples: + - | + #include + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu@100 { + compatible = "arm,cortex-a53"; + device_type = "cpu"; + reg = <0x100>; + operating-points-v2 = <&cpu_opp_table>; + power-domains = <&cpr>; + power-domain-names = "cpr"; + }; + }; + + cpu_opp_table: cpu-opp-table { + compatible = "operating-points-v2-kryo-cpu"; + opp-shared; + + opp-1094400000 { + opp-hz = /bits/ 64 <1094400000>; + required-opps = <&cpr_opp1>; + }; + opp-1248000000 { + opp-hz = /bits/ 64 <1248000000>; + required-opps = <&cpr_opp2>; + }; + opp-1401600000 { + opp-hz = /bits/ 64 <1401600000>; + required-opps = <&cpr_opp3>; + }; + }; + + cpr_opp_table: cpr-opp-table { + compatible = "operating-points-v2-qcom-level"; + + cpr_opp1: opp1 { + opp-level = <1>; + qcom,opp-fuse-level = <1>; + }; + cpr_opp2: opp2 { + opp-level = <2>; + qcom,opp-fuse-level = <2>; + }; + cpr_opp3: opp3 { + opp-level = <3>; + qcom,opp-fuse-level = <3>; + }; + }; + + power-controller@b018000 { + compatible = "qcom,qcs404-cpr", "qcom,cpr"; + reg = <0x0b018000 0x1000>; + interrupts = <0 15 IRQ_TYPE_EDGE_RISING>; + clocks = <&xo_board>; + clock-names = "ref"; + vdd-apc-supply = <&pms405_s3>; + #power-domain-cells = <0>; + operating-points-v2 = <&cpr_opp_table>; + acc-syscon = <&tcsr>; + + nvmem-cells = <&cpr_efuse_quot_offset1>, + <&cpr_efuse_quot_offset2>, + <&cpr_efuse_quot_offset3>, + <&cpr_efuse_init_voltage1>, + <&cpr_efuse_init_voltage2>, + <&cpr_efuse_init_voltage3>, + <&cpr_efuse_quot1>, + <&cpr_efuse_quot2>, + <&cpr_efuse_quot3>, + <&cpr_efuse_ring1>, + <&cpr_efuse_ring2>, + <&cpr_efuse_ring3>, + <&cpr_efuse_revision>; + nvmem-cell-names = "cpr0_quotient_offset1", + "cpr0_quotient_offset2", + "cpr0_quotient_offset3", + "cpr0_init_voltage1", + "cpr0_init_voltage2", + "cpr0_init_voltage3", + "cpr0_quotient1", + "cpr0_quotient2", + "cpr0_quotient3", + "cpr0_ring_osc1", + "cpr0_ring_osc2", + "cpr0_ring_osc3", + "cpr0_fuse_revision"; + }; +... diff --git a/MAINTAINERS b/MAINTAINERS index ad9abb42f852..66052be495fb 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -14763,7 +14763,7 @@ M: Niklas Cassel L: linux-pm@vger.kernel.org L: linux-arm-msm@vger.kernel.org S: Maintained -F: Documentation/devicetree/bindings/power/avs/qcom,cpr.txt +F: Documentation/devicetree/bindings/soc/qcom/qcom,cpr.yaml F: drivers/soc/qcom/cpr.c QUALCOMM CPUFREQ DRIVER MSM8996/APQ8096