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[89.77.68.124]) by smtp.gmail.com with ESMTPSA id o3sm8087937wms.10.2021.11.24.23.48.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 24 Nov 2021 23:48:36 -0800 (PST) From: Krzysztof Kozlowski To: Lee Jones , Rob Herring , Chanwoo Choi , Krzysztof Kozlowski , Bartlomiej Zolnierkiewicz , Liam Girdwood , Mark Brown , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Rob Herring Subject: [PATCH v3 2/2] dt-bindings: mfd: maxim,max77686: convert to dtschema Date: Thu, 25 Nov 2021 08:48:26 +0100 Message-Id: <20211125074826.7947-3-krzysztof.kozlowski@canonical.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20211125074826.7947-1-krzysztof.kozlowski@canonical.com> References: <20211125074826.7947-1-krzysztof.kozlowski@canonical.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Convert the MFD part of Maxim MAX77686 PMIC to DT schema format. Signed-off-by: Krzysztof Kozlowski Reviewed-by: Rob Herring --- Changes since v2: 1. Rebased. Changes since v1: 1. Add Rob's tag. 2. Correct title prefix. 3. Extend example with LDO22. --- .../devicetree/bindings/mfd/max77686.txt | 26 ---- .../bindings/mfd/maxim,max77686.yaml | 132 ++++++++++++++++++ MAINTAINERS | 1 - 3 files changed, 132 insertions(+), 27 deletions(-) delete mode 100644 Documentation/devicetree/bindings/mfd/max77686.txt create mode 100644 Documentation/devicetree/bindings/mfd/maxim,max77686.yaml diff --git a/Documentation/devicetree/bindings/mfd/max77686.txt b/Documentation/devicetree/bindings/mfd/max77686.txt deleted file mode 100644 index 4447d074894a..000000000000 --- a/Documentation/devicetree/bindings/mfd/max77686.txt +++ /dev/null @@ -1,26 +0,0 @@ -Maxim MAX77686 multi-function device - -MAX77686 is a Multifunction device with PMIC, RTC and Charger on chip. It is -interfaced to host controller using i2c interface. PMIC and Charger submodules -are addressed using same i2c slave address whereas RTC submodule uses -different i2c slave address,presently for which we are statically creating i2c -client while probing.This document describes the binding for mfd device and -PMIC submodule. - -Bindings for the built-in 32k clock generator block and -regulators are defined in ../clk/maxim,max77686.txt and -../regulator/max77686.txt respectively. - -Required properties: -- compatible : Must be "maxim,max77686"; -- reg : Specifies the i2c slave address of PMIC block. -- interrupts : This i2c device has an IRQ line connected to the main SoC. - -Example: - - max77686: pmic@9 { - compatible = "maxim,max77686"; - interrupt-parent = <&wakeup_eint>; - interrupts = <26 IRQ_TYPE_LEVEL_LOW>; - reg = <0x09>; - }; diff --git a/Documentation/devicetree/bindings/mfd/maxim,max77686.yaml b/Documentation/devicetree/bindings/mfd/maxim,max77686.yaml new file mode 100644 index 000000000000..859655a789c3 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/maxim,max77686.yaml @@ -0,0 +1,132 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mfd/maxim,max77686.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Maxim MAX77686 Power Management IC + +maintainers: + - Chanwoo Choi + - Krzysztof Kozlowski + +description: | + This is a part of device tree bindings for Maxim MAX77686 Power Management + Integrated Circuit (PMIC). + + The Maxim MAX77686 is a Power Management IC which includes voltage and + current regulators, RTC and clock outputs. + + The MAX77686 provides three 32.768khz clock outputs that can be controlled + (gated/ungated) over I2C. The clock IDs are defined as preprocessor macros + in dt-bindings/clock/maxim,max77686.h. + +properties: + compatible: + const: maxim,max77686 + + '#clock-cells': + const: 1 + + interrupts: + maxItems: 1 + + reg: + maxItems: 1 + + voltage-regulators: + $ref: ../regulator/maxim,max77686.yaml + description: + List of child nodes that specify the regulators. + + wakeup-source: true + +required: + - compatible + - '#clock-cells' + - reg + +additionalProperties: false + +examples: + - | + #include + #include + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + max77686: pmic@9 { + compatible = "maxim,max77686"; + reg = <0x09>; + + interrupt-parent = <&gpx0>; + interrupts = <7 IRQ_TYPE_LEVEL_LOW>; + pinctrl-0 = <&max77686_irq>; + pinctrl-names = "default"; + wakeup-source; + #clock-cells = <1>; + + voltage-regulators { + LDO1 { + regulator-name = "VALIVE_1.0V_AP"; + regulator-min-microvolt = <1000000>; + regulator-max-microvolt = <1000000>; + regulator-always-on; + }; + + LDO2 { + regulator-name = "VM1M2_1.2V_AP"; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <1200000>; + regulator-always-on; + regulator-state-mem { + regulator-on-in-suspend; + }; + }; + + // ... + + LDO22 { + regulator-name = "VMEM_VDD_2.8V"; + regulator-min-microvolt = <2800000>; + regulator-max-microvolt = <2800000>; + maxim,ena-gpios = <&gpk0 2 GPIO_ACTIVE_HIGH>; + }; + + // ... + + BUCK1 { + regulator-name = "VDD_MIF"; + regulator-min-microvolt = <850000>; + regulator-max-microvolt = <1100000>; + regulator-always-on; + regulator-boot-on; + regulator-state-mem { + regulator-off-in-suspend; + }; + }; + + BUCK2 { + regulator-name = "VDD_ARM"; + regulator-min-microvolt = <850000>; + regulator-max-microvolt = <1500000>; + regulator-always-on; + regulator-boot-on; + regulator-state-mem { + regulator-on-in-suspend; + }; + }; + + // ... + + BUCK9 { + regulator-name = "CAM_ISP_CORE_1.2V"; + regulator-min-microvolt = <1000000>; + regulator-max-microvolt = <1200000>; + maxim,ena-gpios = <&gpm0 3 GPIO_ACTIVE_HIGH>; + }; + }; + }; + }; diff --git a/MAINTAINERS b/MAINTAINERS index aa12b807d3f5..244697b870ac 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -11660,7 +11660,6 @@ M: Krzysztof Kozlowski M: Bartlomiej Zolnierkiewicz L: linux-kernel@vger.kernel.org S: Supported -F: Documentation/devicetree/bindings/*/max77686.txt F: Documentation/devicetree/bindings/*/maxim,max77686.yaml F: Documentation/devicetree/bindings/clock/maxim,max77686.txt F: Documentation/devicetree/bindings/mfd/max14577.txt -- 2.32.0