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[94.29.37.113]) by smtp.gmail.com with ESMTPSA id v7sm2407262ljn.14.2021.06.30.19.24.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 30 Jun 2021 19:24:48 -0700 (PDT) From: Dmitry Osipenko To: Thierry Reding , Jonathan Hunter , Mark Brown , Rob Herring , Sebastian Reichel , Peter Chen , Greg Kroah-Hartman , Felipe Balbi , David Heidelberg Cc: devicetree@vger.kernel.org, linux-pm@vger.kernel.org, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, linux-tegra@vger.kernel.org Subject: [PATCH v1 06/12] dt-bindings: power: supply: smb347-charger: Document USB VBUS regulator Date: Thu, 1 Jul 2021 05:23:59 +0300 Message-Id: <20210701022405.10817-7-digetx@gmail.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210701022405.10817-1-digetx@gmail.com> References: <20210701022405.10817-1-digetx@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org SMB347 can supply power to USB VBUS, which is required by OTG-cable devices that want to switch USB port into the host mode. Add USB VBUS regulator properties. Signed-off-by: Dmitry Osipenko --- .../power/supply/summit,smb347-charger.yaml | 28 +++++++++++++++++++ .../dt-bindings/power/summit,smb347-charger.h | 4 +++ 2 files changed, 32 insertions(+) diff --git a/Documentation/devicetree/bindings/power/supply/summit,smb347-charger.yaml b/Documentation/devicetree/bindings/power/supply/summit,smb347-charger.yaml index 983fc215c1e5..cd3d834f734d 100644 --- a/Documentation/devicetree/bindings/power/supply/summit,smb347-charger.yaml +++ b/Documentation/devicetree/bindings/power/supply/summit,smb347-charger.yaml @@ -73,6 +73,24 @@ properties: - 1 # SMB3XX_SOFT_TEMP_COMPENSATE_CURRENT Current compensation - 2 # SMB3XX_SOFT_TEMP_COMPENSATE_VOLTAGE Voltage compensation + summit,inok-polarity: + description: | + Polarity of INOK signal indicating presence of external power supply. + $ref: /schemas/types.yaml#/definitions/uint32 + enum: + - 0 # SMB3XX_SYSOK_INOK_ACTIVE_LOW + - 1 # SMB3XX_SYSOK_INOK_ACTIVE_HIGH + + usb-vbus: + $ref: "../../regulator/regulator.yaml#" + type: object + + properties: + summit,needs-inok-toggle: + type: boolean + description: INOK signal is fixed and polarity needs to be toggled + in order to enable/disable output mode. + allOf: - if: properties: @@ -134,6 +152,7 @@ examples: reg = <0x7f>; summit,enable-charge-control = ; + summit,inok-polarity = ; summit,chip-temperature-threshold-celsius = <110>; summit,mains-current-limit-microamp = <2000000>; summit,usb-current-limit-microamp = <500000>; @@ -141,6 +160,15 @@ examples: summit,enable-mains-charging; monitored-battery = <&battery>; + + usb-vbus { + regulator-name = "usb_vbus"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + regulator-min-microamp = <750000>; + regulator-max-microamp = <750000>; + summit,needs-inok-toggle; + }; }; }; diff --git a/include/dt-bindings/power/summit,smb347-charger.h b/include/dt-bindings/power/summit,smb347-charger.h index d918bf321a71..3205699b5e41 100644 --- a/include/dt-bindings/power/summit,smb347-charger.h +++ b/include/dt-bindings/power/summit,smb347-charger.h @@ -16,4 +16,8 @@ #define SMB3XX_CHG_ENABLE_PIN_ACTIVE_LOW 1 #define SMB3XX_CHG_ENABLE_PIN_ACTIVE_HIGH 2 +/* Polarity of INOK signal */ +#define SMB3XX_SYSOK_INOK_ACTIVE_LOW 0 +#define SMB3XX_SYSOK_INOK_ACTIVE_HIGH 1 + #endif