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[78.11.189.27]) by smtp.gmail.com with ESMTPSA id y12sm2002819lfg.115.2021.10.06.06.24.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 06 Oct 2021 06:24:08 -0700 (PDT) From: Krzysztof Kozlowski To: Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Bartlomiej Zolnierkiewicz , Sylwester Nawrocki , Tomasz Figa , Chanwoo Choi , Lee Jones , Liam Girdwood , Mark Brown , linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org Cc: Rob Herring Subject: [PATCH v3 07/10] dt-bindings: mfd: samsung,s2mps11: convert to dtschema Date: Wed, 6 Oct 2021 15:23:21 +0200 Message-Id: <20211006132324.76008-8-krzysztof.kozlowski@canonical.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20211006132324.76008-1-krzysztof.kozlowski@canonical.com> References: <20211006132324.76008-1-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 Samsung S2MPS11/S2MPS13/S2MPS14/S2MPS15/S2MPU02 family of PMICs to DT schema format. Previously the bindings were mostly in mfd/samsung,sec-core.txt. The conversion copies parts of description from existing bindings therefore the license is not changed from GPLv2. Signed-off-by: Krzysztof Kozlowski Reviewed-by: Rob Herring --- .../bindings/mfd/samsung,s2mps11.yaml | 267 ++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 268 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/samsung,s2mps11.yaml diff --git a/Documentation/devicetree/bindings/mfd/samsung,s2mps11.yaml b/Documentation/devicetree/bindings/mfd/samsung,s2mps11.yaml new file mode 100644 index 000000000000..771b3f16da96 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/samsung,s2mps11.yaml @@ -0,0 +1,267 @@ +# SPDX-License-Identifier: GPL-2.0-only +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mfd/samsung,s2mps11.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Samsung S2MPS11/13/14/15 and S2MPU02 Power Management IC + +maintainers: + - Krzysztof Kozlowski + +description: | + This is a part of device tree bindings for S2M and S5M family of Power + Management IC (PMIC). + + The Samsung S2MPS11/13/14/15 and S2MPU02 is a family of Power Management IC + which include voltage and current regulators, RTC, clock outputs and other + sub-blocks. + +properties: + compatible: + enum: + - samsung,s2mps11-pmic + - samsung,s2mps13-pmic + - samsung,s2mps14-pmic + - samsung,s2mps15-pmic + - samsung,s2mpu02-pmic + + clocks: + $ref: ../clock/samsung,s2mps11.yaml + description: + Child node describing clock provider. + + interrupts: + maxItems: 1 + + reg: + maxItems: 1 + + regulators: + type: object + description: + List of child nodes that specify the regulators. + + samsung,s2mps11-acokb-ground: + description: | + Indicates that ACOKB pin of S2MPS11 PMIC is connected to the ground so + the PMIC must manually set PWRHOLD bit in CTRL1 register to turn off the + power. Usually the ACOKB is pulled up to VBATT so when PWRHOLD pin goes + low, the rising ACOKB will trigger power off. + type: boolean + + samsung,s2mps11-wrstbi-ground: + description: | + Indicates that WRSTBI pin of PMIC is pulled down. When the system is + suspended it will always go down thus triggerring unwanted buck warm + reset (setting buck voltages to default values). + type: boolean + + wakeup-source: true + +required: + - compatible + - reg + - regulators + +additionalProperties: false + +allOf: + - if: + properties: + compatible: + contains: + const: samsung,s2mps11-pmic + then: + properties: + regulators: + $ref: ../regulator/samsung,s2mps11.yaml + samsung,s2mps11-wrstbi-ground: false + + - if: + properties: + compatible: + contains: + const: samsung,s2mps13-pmic + then: + properties: + regulators: + $ref: ../regulator/samsung,s2mps13.yaml + samsung,s2mps11-acokb-ground: false + + - if: + properties: + compatible: + contains: + const: samsung,s2mps14-pmic + then: + properties: + regulators: + $ref: ../regulator/samsung,s2mps14.yaml + samsung,s2mps11-acokb-ground: false + samsung,s2mps11-wrstbi-ground: false + + - if: + properties: + compatible: + contains: + const: samsung,s2mps15-pmic + then: + properties: + regulators: + $ref: ../regulator/samsung,s2mps15.yaml + samsung,s2mps11-acokb-ground: false + samsung,s2mps11-wrstbi-ground: false + + - if: + properties: + compatible: + contains: + const: samsung,s2mpu02-pmic + then: + properties: + regulators: + $ref: ../regulator/samsung,s2mpu02.yaml + samsung,s2mps11-acokb-ground: false + samsung,s2mps11-wrstbi-ground: false + +examples: + - | + #include + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + pmic@66 { + compatible = "samsung,s2mps11-pmic"; + reg = <0x66>; + + interrupt-parent = <&gpx0>; + interrupts = <4 IRQ_TYPE_LEVEL_LOW>; + pinctrl-names = "default"; + pinctrl-0 = <&s2mps11_irq>; + samsung,s2mps11-acokb-ground; + wakeup-source; + + clocks { + compatible = "samsung,s2mps11-clk"; + #clock-cells = <1>; + clock-output-names = "s2mps11_ap", "s2mps11_cp", "s2mps11_bt"; + }; + + regulators { + LDO1 { + regulator-name = "vdd_ldo1"; + regulator-min-microvolt = <1000000>; + regulator-max-microvolt = <1000000>; + regulator-always-on; + }; + + LDO4 { + regulator-name = "vdd_adc"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + + regulator-state-mem { + regulator-off-in-suspend; + }; + }; + + // .... + + BUCK1 { + regulator-name = "vdd_mif"; + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <1300000>; + regulator-always-on; + regulator-boot-on; + + regulator-state-mem { + regulator-off-in-suspend; + }; + }; + + BUCK2 { + regulator-name = "vdd_arm"; + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <1500000>; + regulator-always-on; + regulator-boot-on; + regulator-coupled-with = <&buck3_reg>; + regulator-coupled-max-spread = <300000>; + + regulator-state-mem { + regulator-off-in-suspend; + }; + }; + + BUCK3 { + regulator-name = "vdd_int"; + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <1400000>; + regulator-always-on; + regulator-boot-on; + regulator-coupled-with = <&buck2_reg>; + regulator-coupled-max-spread = <300000>; + + regulator-state-mem { + regulator-off-in-suspend; + }; + }; + + // ... + }; + }; + }; + + - | + #include + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + pmic@66 { + compatible = "samsung,s2mps14-pmic"; + reg = <0x66>; + + interrupt-parent = <&gpx0>; + interrupts = <7 IRQ_TYPE_LEVEL_LOW>; + wakeup-source; + + clocks { + compatible = "samsung,s2mps14-clk"; + #clock-cells = <1>; + clock-output-names = "s2mps14_ap", "unused", "s2mps14_bt"; + }; + + regulators { + LDO1 { + regulator-name = "VLDO1_1.0V"; + regulator-min-microvolt = <1000000>; + regulator-max-microvolt = <1000000>; + regulator-always-on; + + regulator-state-mem { + regulator-on-in-suspend; + }; + }; + + // ... + + BUCK1 { + regulator-name = "VBUCK1_1.0V"; + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <1000000>; + regulator-always-on; + + regulator-state-mem { + regulator-off-in-suspend; + }; + }; + + // ... + }; + }; + }; diff --git a/MAINTAINERS b/MAINTAINERS index 7967f735b2e7..ff613a2de8f0 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -16600,6 +16600,7 @@ L: linux-kernel@vger.kernel.org L: linux-samsung-soc@vger.kernel.org S: Supported F: Documentation/devicetree/bindings/clock/samsung,s2mps11.yaml +F: Documentation/devicetree/bindings/mfd/samsung,s2m*.yaml F: Documentation/devicetree/bindings/mfd/samsung,sec-core.txt F: Documentation/devicetree/bindings/regulator/samsung,s2m*.yaml F: Documentation/devicetree/bindings/regulator/samsung,s5m*.yaml -- 2.30.2