From patchwork Tue Aug 11 15:41:57 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mauro Carvalho Chehab X-Patchwork-Id: 11709373 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 52C1C722 for ; Tue, 11 Aug 2020 15:42:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3586420771 for ; Tue, 11 Aug 2020 15:42:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1597160554; bh=JjoLMtwSe1xqQZfb6XjgHibnuflvGVQqU9ygmR9RONM=; h=From:Cc:Subject:Date:In-Reply-To:References:To:List-ID:From; b=iMXVD+UaPTyLIk5cnNQvY2QU/Ln9MJjyQWz6jwzxN8ZbhG80kHU075MHu0QNedzFI MbpchQ+P/s1+YE1elO1O5VmeZTNMdtF+usxDmGOXZOiHQAedvdsn+dejbY/mzWHOO4 4qfJ85GXt/yBl2cH4nrHuczkvOT6kq6H7W9zJOnA= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729054AbgHKPmK (ORCPT ); Tue, 11 Aug 2020 11:42:10 -0400 Received: from mail.kernel.org ([198.145.29.99]:47564 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729032AbgHKPmJ (ORCPT ); Tue, 11 Aug 2020 11:42:09 -0400 Received: from mail.kernel.org (ip5f5ad5c5.dynamic.kabel-deutschland.de [95.90.213.197]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 52B0322DFA; Tue, 11 Aug 2020 15:42:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1597160524; bh=JjoLMtwSe1xqQZfb6XjgHibnuflvGVQqU9ygmR9RONM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ePkBdr66aDz7O1SFiMXdNIDTl1r9Omsi4eiLDFz10NcT3rKK9cRD0dtCtTnYLsTsO cjaljSn1FxA0eSR+fRp4DS0ujo1tsP/qak6/zecqXndPAWBw9Ej9Fw67OHZudjHjT6 6x/t+LGYz46RLX3sLzL0CS78IPcW7SZ+1k3SdCnw= Received: from mchehab by mail.kernel.org with local (Exim 4.94) (envelope-from ) id 1k5WPa-004bnm-Ci; Tue, 11 Aug 2020 17:42:02 +0200 From: Mauro Carvalho Chehab Cc: linuxarm@huawei.com, mauro.chehab@huawei.com, Mauro Carvalho Chehab , Lee Jones , Rob Herring , Stephen Boyd , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org Subject: [PATCH 31/33] dt: document HiSilicon SPMI controller and mfd/regulator properties Date: Tue, 11 Aug 2020 17:41:57 +0200 Message-Id: <176043f329dfa9889f014feec04e7e1553077873.1597160086.git.mchehab+huawei@kernel.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: References: MIME-Version: 1.0 To: unlisted-recipients:; (no To-header on input) Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Add documentation for the properties needed by the HiSilicon 6421v600 driver, and by the SPMI controller used to access the chipset. Signed-off-by: Mauro Carvalho Chehab --- .../mfd/hisilicon,hi6421-spmi-pmic.yaml | 175 ++++++++++++++++++ .../spmi/hisilicon,hisi-spmi-controller.yaml | 54 ++++++ 2 files changed, 229 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/hisilicon,hi6421-spmi-pmic.yaml create mode 100644 Documentation/devicetree/bindings/spmi/hisilicon,hisi-spmi-controller.yaml diff --git a/Documentation/devicetree/bindings/mfd/hisilicon,hi6421-spmi-pmic.yaml b/Documentation/devicetree/bindings/mfd/hisilicon,hi6421-spmi-pmic.yaml new file mode 100644 index 000000000000..33dcbaeb474e --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/hisilicon,hi6421-spmi-pmic.yaml @@ -0,0 +1,175 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/regulator/hisilicon,hi6421v600-regulator.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: HiSilicon 6421v600 SPMI PMIC + +maintainers: + - Mauro Carvalho Chehab + +description: | + HiSilicon 6421v600 uses a MIPI System Power Management (SPMI) bus in order + to provide interrupts and power supply. + + The GPIO and interrupt settings are represented as part of the top-level PMIC + node. + + The SPMI controller part is provided by + Documentation/devicetree/bindings/spmi/hisilicon,hisi-spmi-controller.yaml. + +properties: + $nodename: + pattern: "pmic@[0-9a-f]" + + compatible: + const: hisilicon,hi6421-spmi-pmic + + reg: + maxItems: 1 + + spmi-channel: + description: number of the SPMI channel where the PMIC is connected + + '#interrupt-cells': + const: 2 + + interrupt-controller: + description: + Identify that the PMIC is capable of behaving as an interrupt controller. + + gpios: + maxItems: 1 + + irq-num: + description: Interrupt request number + + 'irq-array': + description: Interrupt request array + + 'irq-mask-addr': + description: Address for the interrupt request mask + + 'irq-addr': + description: Address for the interrupt request + + regulators: + type: object + + properties: + '#address-cells': + const: 1 + + '#size-cells': + const: 0 + + patternProperties: + '^ldo@[0-9]+$': + type: object + + $ref: "/schemas/regulator/regulator.yaml#" + + properties: + reg: + description: Enable register. + + vsel-reg: + description: Voltage selector register. + + enable-mask: + description: Bitmask used to enable the regulator. + +# voltage-table: +# description: Table with the selector items for the voltage regulator. +# minItems: 2 +# maxItems: 16 + + off-on-delay-us: + description: Time required for changing state to enabled in microseconds. + + startup-delay-us: + description: Startup time in microseconds. + + idle-mode-mask: + description: Bitmask used to put the regulator on idle mode. + + eco-microamp: + description: Maximum current while on idle mode. + + required: + - reg + - vsel-reg + - enable-mask + - voltage-table + - off-on-delay-us + - startup-delay-us + +required: + - compatible + - reg + - spmi-channel + - regulators + +examples: + - | + pmic: pmic@0 { + compatible = "hisilicon,hi6421-spmi-pmic"; + slave_id = <0>; + reg = <0 0>; + + #interrupt-cells = <2>; + interrupt-controller; + gpios = <&gpio28 0 0>; + irq-num = <16>; + irq-array = <2>; + irq-mask-addr = <0x202 2>; + irq-addr = <0x212 2>; + + regulators { + ldo3: ldo3@16 { + reg = <0x16>; + vsel-reg = <0x51>; + + regulator-name = "ldo3"; + regulator-min-microvolt = <1500000>; + regulator-max-microvolt = <2000000>; + regulator-boot-on; + + enable-mask = <0x01>; + + voltage-table = <1500000>, <1550000>, + <1600000>, <1650000>, + <1700000>, <1725000>, + <1750000>, <1775000>, + <1800000>, <1825000>, + <1850000>, <1875000>, + <1900000>, <1925000>, + <1950000>, <2000000>; + off-on-delay-us = <20000>; + startup-delay-us = <120>; + }; + + ldo4: ldo4@17 { /* 40 PIN */ + reg = <0x17>; + vsel-reg = <0x52>; + + regulator-name = "ldo4"; + regulator-min-microvolt = <1725000>; + regulator-max-microvolt = <1900000>; + regulator-boot-on; + + enable-mask = <0x01>; + idle-mode-mask = <0x10>; + eco-microamp = <10000>; + + hi6421-vsel = <0x52 0x07>; + voltage-table = <1725000>, <1750000>, + <1775000>, <1800000>, + <1825000>, <1850000>, + <1875000>, <1900000>; + off-on-delay-us = <20000>; + startup-delay-us = <120>; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/spmi/hisilicon,hisi-spmi-controller.yaml b/Documentation/devicetree/bindings/spmi/hisilicon,hisi-spmi-controller.yaml new file mode 100644 index 000000000000..d087f9067e4c --- /dev/null +++ b/Documentation/devicetree/bindings/spmi/hisilicon,hisi-spmi-controller.yaml @@ -0,0 +1,54 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/spmi/hisilicon,hisi-spmi-controller.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: HiSilicon SPMI controller + +maintainers: + - Mauro Carvalho Chehab + +description: | + The HiSilicon SPMI controller is found on some Kirin-based designs. + It is a MIPI System Power Management (SPMI) controller. + + The PMIC part is provided by + Documentation/devicetree/bindings/mfd/hisilicon,hi6421-spmi-pmic.yaml. + +properties: + $nodename: + pattern: "spmi@[0-9a-f]" + + compatible: + const: hisilicon,spmi-controller + + reg: + maxItems: 1 + + "#address-cells": + const: 2 + + "#size-cells": + const: 0 + + spmi-channel: + const: number of the SPMI channel where the PMIC is connected + +patternProperties: + "^pmic@[0-9a-f]$": + $ref: "/schemas/mfd/hisilicon,hi6421-spmi-pmic.yaml#" + +examples: + - | + spmi: spmi@fff24000 { + compatible = "hisilicon,spmi-controller"; + #address-cells = <2>; + #size-cells = <0>; + status = "ok"; + reg = <0x0 0xfff24000 0x0 0x1000>; + spmi-channel = <2>; + + /* pmic properties */ + + };