From patchwork Tue Nov 15 10:12:35 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Neil Armstrong X-Patchwork-Id: 13043428 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id BC69FC4321E for ; Tue, 15 Nov 2022 10:13:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238358AbiKOKNt (ORCPT ); Tue, 15 Nov 2022 05:13:49 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:32808 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238431AbiKOKNZ (ORCPT ); Tue, 15 Nov 2022 05:13:25 -0500 Received: from mail-wm1-x332.google.com (mail-wm1-x332.google.com [IPv6:2a00:1450:4864:20::332]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D0A0024084 for ; Tue, 15 Nov 2022 02:12:39 -0800 (PST) Received: by mail-wm1-x332.google.com with SMTP id i186-20020a1c3bc3000000b003cfe29a5733so2875569wma.3 for ; Tue, 15 Nov 2022 02:12:39 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=wwzcVpYP/Huaa1K0tWSVBnF1N89m1GUqGjxL6qKqN7M=; b=jdGg9Z0znwZ9TjN8AtGSbEtR9nTyHCO05xCqDX03z+NMz9mvPreLzOlmHaRKgqIv4+ OejX14zkwM7ZjiwAbjAcd/78tchLwPuJtmTqRxIcfvnbBpprHhYpDNX8z6gbLJRH7Fq9 LOHxwAM7wFSJOerExOGz0W7E0cxjpHRUwzcWDGj8u6lSRSyVY9ovFJ+9IAYaSkWzc2CO qFhYf2r+/4zTMbdFJfocySkcFs1llou73TQ3Aq6FjEkJ9srGWdVc7LJ1kBTpwt4FI4bB a14UhvaWkgdW3EeOmx0hjkkDZS9yZs4mWVNSLfTe7S61OT4WxcZjjI9jDZcP9nj/oUfC cBUw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=wwzcVpYP/Huaa1K0tWSVBnF1N89m1GUqGjxL6qKqN7M=; b=MZZRjKNo1TaujGsqqFvQwFZf36MzUd9rwfRdSzyQn6mISxVWpwHqLXvv4nKH8mzviL w7ow57SVfMltUSw8G9nu9VP9q/M9bxaWfbgdAij/FQ5xSIkRmQG/0nTQ8nn4rV0q335z Fw7sYGMXtw8VHNeRvO/iBtIIc97Y3I9EtE0ILKbVuLVQf5oAPCLj/JUIypS8z5jvYSVn 1KCOruSfipUXklkQBDFCk7mOret8zoUMTzmyG04nxk/32CzAIZ/3H2W+tPwkZeyjFTH9 25hvuz6oUwUQJ50EWMu2TblESfew3evSTna6Weeg5IeyNpjugZrorDyt+dmszXp8282O oUWA== X-Gm-Message-State: ANoB5pljUuJajYPR7stBS1Zf+XoXk51bcQPpzVrwVnpL2J1+/FrXqGJk gvOEtoiyDDLgmWP8vXvR2C6ytw== X-Google-Smtp-Source: AA0mqf7mzTDYGm3jtXN5N/W93WwqpbPJySt8B/JavAFHbPl5RvqNlD3ZpVecc5LEggz7hYo5mxfKRA== X-Received: by 2002:a05:600c:654e:b0:3cf:7016:d401 with SMTP id dn14-20020a05600c654e00b003cf7016d401mr21014wmb.154.1668507158160; Tue, 15 Nov 2022 02:12:38 -0800 (PST) Received: from arrakeen.starnux.net ([2a01:e0a:982:cbb0:8261:5fff:fe11:bdda]) by smtp.gmail.com with ESMTPSA id az40-20020a05600c602800b003b492753826sm15165154wmb.43.2022.11.15.02.12.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 15 Nov 2022 02:12:37 -0800 (PST) From: Neil Armstrong Date: Tue, 15 Nov 2022 11:12:35 +0100 Subject: [PATCH v4 1/2] dt-bindings: regulators: convert non-smd RPM Regulators bindings to dt-schema MIME-Version: 1.0 Message-Id: <20221005-mdm9615-pinctrl-yaml-v4-1-463523919c19@linaro.org> References: <20221005-mdm9615-pinctrl-yaml-v4-0-463523919c19@linaro.org> In-Reply-To: <20221005-mdm9615-pinctrl-yaml-v4-0-463523919c19@linaro.org> To: Liam Girdwood , Lee Jones , Konrad Dybcio , Krzysztof Kozlowski , Mark Brown , Andy Gross , Bjorn Andersson , Rob Herring Cc: Neil Armstrong , Rob Herring , linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org X-Mailer: b4 0.10.1 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Convert the non-SMD Regulators bindings to dt-schema, the old text based bindings will be deleted later since the RPM bindings are not yet converted. Signed-off-by: Neil Armstrong Reviewed-by: Rob Herring --- .../bindings/regulator/qcom,rpm-regulator.yaml | 128 +++++++++++++++++++++ 1 file changed, 128 insertions(+) diff --git a/Documentation/devicetree/bindings/regulator/qcom,rpm-regulator.yaml b/Documentation/devicetree/bindings/regulator/qcom,rpm-regulator.yaml new file mode 100644 index 000000000000..dde8fbd3f0af --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/qcom,rpm-regulator.yaml @@ -0,0 +1,128 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/regulator/qcom,ipc-rpm-regulator.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm RPM regulator + +description: + The Qualcomm RPM regulator is modelled as a subdevice of the RPM. + + Please refer to Documentation/devicetree/bindings/soc/qcom/qcom,ipc-rpm.yaml + for information regarding the RPM node. + + The regulator node houses sub-nodes for each regulator within the device. + Each sub-node is identified using the node's name, with valid values listed + for each of the pmics below. + + For pm8058 l0, l1, l2, l3, l4, l5, l6, l7, l8, l9, l10, l11, l12, l13, l14, l15, + l16, l17, l18, l19, l20, l21, l22, l23, l24, l25, s0, s1, s2, s3, s4, + lvs0, lvs1, ncp + + For pm8901 l0, l1, l2, l3, l4, l5, l6, s0, s1, s2, s3, s4, lvs0, lvs1, lvs2, lvs3, + mvs + + For pm8921 s1, s2, s3, s4, s7, s8, l1, l2, l3, l4, l5, l6, l7, l8, l9, l10, l11, + l12, l14, l15, l16, l17, l18, l21, l22, l23, l24, l25, l26, l27, l28, + l29, lvs1, lvs2, lvs3, lvs4, lvs5, lvs6, lvs7, usb-switch, hdmi-switch, + ncp + + For pm8018 s1, s2, s3, s4, s5, l1, l2, l3, l4, l5, l6, l7, l8, l9, l10, l11, + l12, l14, lvs1 + + For smb208 s1a, s1b, s2a, s2b + +maintainers: + - Bjorn Andersson + +properties: + compatible: + enum: + - qcom,rpm-pm8058-regulators + - qcom,rpm-pm8901-regulators + - qcom,rpm-pm8921-regulators + - qcom,rpm-pm8018-regulators + - qcom,rpm-smb208-regulators + +patternProperties: + ".*-supply$": + description: Input supply phandle(s) for this node + + "^((s|l|lvs)[0-9]*)|(s[1-2][a-b])|(ncp)|(mvs)|(usb-switch)|(hdmi-switch)$": + description: List of regulators and its properties + $ref: regulator.yaml# + unevaluatedProperties: false + properties: + bias-pull-down: + description: enable pull down of the regulator when inactive + type: boolean + + qcom,switch-mode-frequency: + description: Frequency (Hz) of the switch-mode power supply + $ref: /schemas/types.yaml#/definitions/uint32 + enum: + - 19200000 + - 9600000 + - 6400000 + - 4800000 + - 3840000 + - 3200000 + - 2740000 + - 2400000 + - 2130000 + - 1920000 + - 1750000 + - 1600000 + - 1480000 + - 1370000 + - 1280000 + - 1200000 + + qcom,force-mode: + description: Indicates that the regulator should be forced to a particular mode + $ref: /schemas/types.yaml#/definitions/uint32 + enum: + - 0 # QCOM_RPM_FORCE_MODE_NONE do not force any mode + - 1 # QCOM_RPM_FORCE_MODE_LPM force into low power mode + - 2 # QCOM_RPM_FORCE_MODE_HPM force into high power mode + - 3 # QCOM_RPM_FORCE_MODE_AUTO allow regulator to automatically select its own mode + # based on realtime current draw, only for pm8921 smps and ftsmps + + qcom,power-mode-hysteretic: + description: select that the power supply should operate in hysteretic mode, + instead of the default pwm mode + type: boolean + +additionalProperties: false + +required: + - compatible + +examples: + - | + #include + regulators { + compatible = "qcom,rpm-pm8921-regulators"; + vdd_l1_l2_l12_l18-supply = <&pm8921_s4>; + + s1 { + regulator-min-microvolt = <1225000>; + regulator-max-microvolt = <1225000>; + + bias-pull-down; + + qcom,switch-mode-frequency = <3200000>; + }; + + pm8921_s4: s4 { + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + + qcom,switch-mode-frequency = <1600000>; + bias-pull-down; + + qcom,force-mode = ; + }; + }; +... From patchwork Tue Nov 15 10:12:36 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Neil Armstrong X-Patchwork-Id: 13043429 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 85001C43217 for ; Tue, 15 Nov 2022 10:13:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238361AbiKOKNu (ORCPT ); Tue, 15 Nov 2022 05:13:50 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33400 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238367AbiKOKN0 (ORCPT ); Tue, 15 Nov 2022 05:13:26 -0500 Received: from mail-wr1-x42c.google.com (mail-wr1-x42c.google.com [IPv6:2a00:1450:4864:20::42c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 933CE25298 for ; Tue, 15 Nov 2022 02:12:40 -0800 (PST) Received: by mail-wr1-x42c.google.com with SMTP id z14so23235425wrn.7 for ; Tue, 15 Nov 2022 02:12:40 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=S7fY4usYA2r8CtJ+7ODnRoPWudv42gnaXQJ+odzKSO4=; b=PPe1huoE8PUp++8XjASswj4jCJtBg6x2OyOFE7goL4OGQqeDQB55QghpqEZEnwLNsk QS1QpGaT3Y/36WrPAHeNzacsvr/pfz6X4VDiLXiPt52Qzc3dr5jv5W3NkoRcDAfyvlEt j3BrRG3ICBUH2F6qE/NpV1IeOoyOW0jGUos2H0sjN0YVZQEaQUYBHL2EMOIuRhJmgnV+ TUy5lqki8+akDUysuH6NgDvwm13/wWNUp6t7mM/FbxNg6JXQxobQDx1AHjPHG7flXHOM eyMWK50+fuSLLsg1esl07a/YRKFXj1rOmHPHVPyb870DbL9IyKxfZc5KJdsKTgs2f+oa DDZA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=S7fY4usYA2r8CtJ+7ODnRoPWudv42gnaXQJ+odzKSO4=; b=hWt7kkx+65IbqaiC9Xl3143nqfay3sb7xjJ1RBcOLSXkmK33NaGJR08n1Vg3vQdIxX aCUTRGXvvIRE9WEmfGlIKZIfHi2h2N5YAzqFLkkmeiSlcdzss1SUvYqOeL+6Gt0lvrfE 8kPgSmYfUiQ8FqUTa2NURWbdaIkwM2Hl5Y/ZfDoXWrvDetQ66x/1mL5JOZZM6dwpXBj2 +4s/4JMGrXYCjsLJqgwVSAQomOGvHKskzK1Dg8CrN3X5Y2SVxNoJngg+3rehGPe6yJcS Q9URpxxVbINW/H2N2GhjXhXj1SLCgZ/rmINRfBoJcpBefXbs966tctJoXsprGNM046B+ 2kIA== X-Gm-Message-State: ANoB5pnmRl06YHIGIMrkmIvHKRKQlcSeNR+ofHL7Tvf6QINhewmZN8u4 N6R1Ijfvjrv2Ub2V+DLKtADa/g== X-Google-Smtp-Source: AA0mqf7aOcAxtA3gWpMqYJHQreD3qVlQTroA5wZgb/8vVnh3POAQIGfWysVu5HKtm22QE8m+BgfKeg== X-Received: by 2002:adf:f4c3:0:b0:22e:3498:9adb with SMTP id h3-20020adff4c3000000b0022e34989adbmr10651246wrp.335.1668507159044; Tue, 15 Nov 2022 02:12:39 -0800 (PST) Received: from arrakeen.starnux.net ([2a01:e0a:982:cbb0:8261:5fff:fe11:bdda]) by smtp.gmail.com with ESMTPSA id az40-20020a05600c602800b003b492753826sm15165154wmb.43.2022.11.15.02.12.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 15 Nov 2022 02:12:38 -0800 (PST) From: Neil Armstrong Date: Tue, 15 Nov 2022 11:12:36 +0100 Subject: [PATCH v4 2/2] dt-bindings: soc: qcom: convert non-smd RPM bindings to dt-schema MIME-Version: 1.0 Message-Id: <20221005-mdm9615-pinctrl-yaml-v4-2-463523919c19@linaro.org> References: <20221005-mdm9615-pinctrl-yaml-v4-0-463523919c19@linaro.org> In-Reply-To: <20221005-mdm9615-pinctrl-yaml-v4-0-463523919c19@linaro.org> To: Liam Girdwood , Lee Jones , Konrad Dybcio , Krzysztof Kozlowski , Mark Brown , Andy Gross , Bjorn Andersson , Rob Herring Cc: Neil Armstrong , Rob Herring , linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org X-Mailer: b4 0.10.1 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Convert the non-SMD RPM node bindings to dt-schema, the old txt bindings are now removed since all bindings were converted. Signed-off-by: Neil Armstrong Reviewed-by: Rob Herring Acked-by: Lee Jones --- Documentation/devicetree/bindings/mfd/qcom-rpm.txt | 283 --------------------- .../devicetree/bindings/soc/qcom/qcom,rpm.yaml | 101 ++++++++ 2 files changed, 101 insertions(+), 283 deletions(-) diff --git a/Documentation/devicetree/bindings/mfd/qcom-rpm.txt b/Documentation/devicetree/bindings/mfd/qcom-rpm.txt deleted file mode 100644 index b823b8625243..000000000000 --- a/Documentation/devicetree/bindings/mfd/qcom-rpm.txt +++ /dev/null @@ -1,283 +0,0 @@ -Qualcomm Resource Power Manager (RPM) - -This driver is used to interface with the Resource Power Manager (RPM) found in -various Qualcomm platforms. The RPM allows each component in the system to vote -for state of the system resources, such as clocks, regulators and bus -frequencies. - -- compatible: - Usage: required - Value type: - Definition: must be one of: - "qcom,rpm-apq8064" - "qcom,rpm-msm8660" - "qcom,rpm-msm8960" - "qcom,rpm-ipq8064" - "qcom,rpm-mdm9615" - -- reg: - Usage: required - Value type: - Definition: base address and size of the RPM's message ram - -- interrupts: - Usage: required - Value type: - Definition: three entries specifying the RPM's: - 1. acknowledgement interrupt - 2. error interrupt - 3. wakeup interrupt - -- interrupt-names: - Usage: required - Value type: - Definition: must be the three strings "ack", "err" and "wakeup", in order - -- qcom,ipc: - Usage: required - Value type: - - Definition: three entries specifying the outgoing ipc bit used for - signaling the RPM: - - phandle to a syscon node representing the apcs registers - - u32 representing offset to the register within the syscon - - u32 representing the ipc bit within the register - - -= SUBNODES - -The RPM exposes resources to its subnodes. The below bindings specify the set -of valid subnodes that can operate on these resources. - -== Regulators - -Regulator nodes are identified by their compatible: - -- compatible: - Usage: required - Value type: - Definition: must be one of: - "qcom,rpm-pm8058-regulators" - "qcom,rpm-pm8901-regulators" - "qcom,rpm-pm8921-regulators" - "qcom,rpm-pm8018-regulators" - "qcom,rpm-smb208-regulators" - -- vdd_l0_l1_lvs-supply: -- vdd_l2_l11_l12-supply: -- vdd_l3_l4_l5-supply: -- vdd_l6_l7-supply: -- vdd_l8-supply: -- vdd_l9-supply: -- vdd_l10-supply: -- vdd_l13_l16-supply: -- vdd_l14_l15-supply: -- vdd_l17_l18-supply: -- vdd_l19_l20-supply: -- vdd_l21-supply: -- vdd_l22-supply: -- vdd_l23_l24_l25-supply: -- vdd_ncp-supply: -- vdd_s0-supply: -- vdd_s1-supply: -- vdd_s2-supply: -- vdd_s3-supply: -- vdd_s4-supply: - Usage: optional (pm8058 only) - Value type: - Definition: reference to regulator supplying the input pin, as - described in the data sheet - -- lvs0_in-supply: -- lvs1_in-supply: -- lvs2_in-supply: -- lvs3_in-supply: -- mvs_in-supply: -- vdd_l0-supply: -- vdd_l1-supply: -- vdd_l2-supply: -- vdd_l3-supply: -- vdd_l4-supply: -- vdd_l5-supply: -- vdd_l6-supply: -- vdd_s0-supply: -- vdd_s1-supply: -- vdd_s2-supply: -- vdd_s3-supply: -- vdd_s4-supply: - Usage: optional (pm8901 only) - Value type: - Definition: reference to regulator supplying the input pin, as - described in the data sheet - -- vdd_l1_l2_l12_l18-supply: -- vdd_l3_l15_l17-supply: -- vdd_l4_l14-supply: -- vdd_l5_l8_l16-supply: -- vdd_l6_l7-supply: -- vdd_l9_l11-supply: -- vdd_l10_l22-supply: -- vdd_l21_l23_l29-supply: -- vdd_l24-supply: -- vdd_l25-supply: -- vdd_l26-supply: -- vdd_l27-supply: -- vdd_l28-supply: -- vdd_ncp-supply: -- vdd_s1-supply: -- vdd_s2-supply: -- vdd_s4-supply: -- vdd_s5-supply: -- vdd_s6-supply: -- vdd_s7-supply: -- vdd_s8-supply: -- vin_5vs-supply: -- vin_lvs1_3_6-supply: -- vin_lvs2-supply: -- vin_lvs4_5_7-supply: - Usage: optional (pm8921 only) - Value type: - Definition: reference to regulator supplying the input pin, as - described in the data sheet - -- vin_lvs1-supply: -- vdd_l7-supply: -- vdd_l8-supply: -- vdd_l9_l10_l11_l12-supply: - Usage: optional (pm8018 only) - Value type: - Definition: reference to regulator supplying the input pin, as - described in the data sheet - -The regulator node houses sub-nodes for each regulator within the device. Each -sub-node is identified using the node's name, with valid values listed for each -of the pmics below. - -pm8058: - l0, l1, l2, l3, l4, l5, l6, l7, l8, l9, l10, l11, l12, l13, l14, l15, - l16, l17, l18, l19, l20, l21, l22, l23, l24, l25, s0, s1, s2, s3, s4, - lvs0, lvs1, ncp - -pm8901: - l0, l1, l2, l3, l4, l5, l6, s0, s1, s2, s3, s4, lvs0, lvs1, lvs2, lvs3, - mvs - -pm8921: - s1, s2, s3, s4, s7, s8, l1, l2, l3, l4, l5, l6, l7, l8, l9, l10, l11, - l12, l14, l15, l16, l17, l18, l21, l22, l23, l24, l25, l26, l27, l28, - l29, lvs1, lvs2, lvs3, lvs4, lvs5, lvs6, lvs7, usb-switch, hdmi-switch, - ncp - -pm8018: - s1, s2, s3, s4, s5, , l1, l2, l3, l4, l5, l6, l7, l8, l9, l10, l11, - l12, l14, lvs1 - -smb208: - s1a, s1b, s2a, s2b - -The content of each sub-node is defined by the standard binding for regulators - -see regulator.txt - with additional custom properties described below: - -=== Switch-mode Power Supply regulator custom properties - -- bias-pull-down: - Usage: optional - Value type: - Definition: enable pull down of the regulator when inactive - -- qcom,switch-mode-frequency: - Usage: required - Value type: - Definition: Frequency (Hz) of the switch-mode power supply; - must be one of: - 19200000, 9600000, 6400000, 4800000, 3840000, 3200000, - 2740000, 2400000, 2130000, 1920000, 1750000, 1600000, - 1480000, 1370000, 1280000, 1200000 - -- qcom,force-mode: - Usage: optional (default if no other qcom,force-mode is specified) - Value type: - Definition: indicates that the regulator should be forced to a - particular mode, valid values are: - QCOM_RPM_FORCE_MODE_NONE - do not force any mode - QCOM_RPM_FORCE_MODE_LPM - force into low power mode - QCOM_RPM_FORCE_MODE_HPM - force into high power mode - QCOM_RPM_FORCE_MODE_AUTO - allow regulator to automatically - select its own mode based on - realtime current draw, only for: - pm8921 smps and ftsmps - -- qcom,power-mode-hysteretic: - Usage: optional - Value type: - Definition: select that the power supply should operate in hysteretic - mode, instead of the default pwm mode - -=== Low-dropout regulator custom properties - -- bias-pull-down: - Usage: optional - Value type: - Definition: enable pull down of the regulator when inactive - -- qcom,force-mode: - Usage: optional - Value type: - Definition: indicates that the regulator should not be forced to any - particular mode, valid values are: - QCOM_RPM_FORCE_MODE_NONE - do not force any mode - QCOM_RPM_FORCE_MODE_LPM - force into low power mode - QCOM_RPM_FORCE_MODE_HPM - force into high power mode - QCOM_RPM_FORCE_MODE_BYPASS - set regulator to use bypass - mode, i.e. to act as a switch - and not regulate, only for: - pm8921 pldo, nldo and nldo1200 - -=== Negative Charge Pump custom properties - -- qcom,switch-mode-frequency: - Usage: required - Value type: - Definition: Frequency (Hz) of the switch mode power supply; - must be one of: - 19200000, 9600000, 6400000, 4800000, 3840000, 3200000, - 2740000, 2400000, 2130000, 1920000, 1750000, 1600000, - 1480000, 1370000, 1280000, 1200000 - -= EXAMPLE - - #include - - rpm@108000 { - compatible = "qcom,rpm-msm8960"; - reg = <0x108000 0x1000>; - qcom,ipc = <&apcs 0x8 2>; - - interrupts = <0 19 0>, <0 21 0>, <0 22 0>; - interrupt-names = "ack", "err", "wakeup"; - - regulators { - compatible = "qcom,rpm-pm8921-regulators"; - vdd_l1_l2_l12_l18-supply = <&pm8921_s4>; - - s1 { - regulator-min-microvolt = <1225000>; - regulator-max-microvolt = <1225000>; - - bias-pull-down; - - qcom,switch-mode-frequency = <3200000>; - }; - - pm8921_s4: s4 { - regulator-min-microvolt = <1800000>; - regulator-max-microvolt = <1800000>; - - qcom,switch-mode-frequency = <1600000>; - bias-pull-down; - - qcom,force-mode = ; - }; - }; - }; - diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,rpm.yaml b/Documentation/devicetree/bindings/soc/qcom/qcom,rpm.yaml new file mode 100644 index 000000000000..e27e895c1f3f --- /dev/null +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,rpm.yaml @@ -0,0 +1,101 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/soc/qcom/qcom,ipc-rpm.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: Qualcomm Resource Power Manager (RPM) + +description: + This driver is used to interface with the Resource Power Manager (RPM) found + in various Qualcomm platforms. The RPM allows each component in the system + to vote for state of the system resources, such as clocks, regulators and bus + frequencies. + +maintainers: + - Bjorn Andersson + +properties: + compatible: + enum: + - qcom,rpm-apq8064 + - qcom,rpm-msm8660 + - qcom,rpm-msm8960 + - qcom,rpm-ipq8064 + - qcom,rpm-mdm9615 + + reg: + maxItems: 1 + + interrupts: + maxItems: 3 + + interrupt-names: + items: + - const: ack + - const: err + - const: wakeup + + qcom,ipc: + $ref: /schemas/types.yaml#/definitions/phandle-array + items: + - items: + - description: phandle to a syscon node representing the APCS registers + - description: u32 representing offset to the register within the syscon + - description: u32 representing the ipc bit within the register + description: + Three entries specifying the outgoing ipc bit used for signaling the RPM. + +patternProperties: + "^regulators(-[01])?$": + type: object + $ref: /schemas/regulator/qcom,ipc-rpm-regulator.yaml# + unevaluatedProperties: false + +required: + - compatible + - reg + - interrupts + - interrupt-names + - qcom,ipc + +additionalProperties: false + +examples: + - | + #include + #include + #include + + rpm@108000 { + compatible = "qcom,rpm-msm8960"; + reg = <0x108000 0x1000>; + qcom,ipc = <&apcs 0x8 2>; + + interrupts = , , ; + interrupt-names = "ack", "err", "wakeup"; + + regulators { + compatible = "qcom,rpm-pm8921-regulators"; + vdd_l1_l2_l12_l18-supply = <&pm8921_s4>; + + s1 { + regulator-min-microvolt = <1225000>; + regulator-max-microvolt = <1225000>; + + bias-pull-down; + + qcom,switch-mode-frequency = <3200000>; + }; + + pm8921_s4: s4 { + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + + qcom,switch-mode-frequency = <1600000>; + bias-pull-down; + + qcom,force-mode = ; + }; + }; + };