From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Return-Path: Date: Wed, 30 May 2018 11:42:03 +0300 From: Matti Vaittinen To: mturquette@baylibre.com, sboyd@kernel.org, robh+dt@kernel.org, mark.rutland@arm.com, lee.jones@linaro.org, lgirdwood@gmail.com, broonie@kernel.org, mazziesaccount@gmail.com Cc: linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, mikko.mutanen@fi.rohmeurope.com, heikki.haikola@fi.rohmeurope.com Subject: [PATCH v4 2/6] mfd: bd71837: Devicetree bindings for ROHM BD71837 PMIC Message-ID: <3b05ca98a671a762013c312f8b70543402ee7556.1527669443.git.matti.vaittinen@fi.rohmeurope.com> References: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 In-Reply-To: List-ID: Document devicetree bindings for ROHM BD71837 PMIC MFD. Signed-off-by: Matti Vaittinen --- .../devicetree/bindings/mfd/rohm,bd71837-pmic.txt | 52 ++++++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/rohm,bd71837-pmic.txt diff --git a/Documentation/devicetree/bindings/mfd/rohm,bd71837-pmic.txt b/Documentation/devicetree/bindings/mfd/rohm,bd71837-pmic.txt new file mode 100644 index 000000000000..bbc46d38b162 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/rohm,bd71837-pmic.txt @@ -0,0 +1,52 @@ +* ROHM BD71837 Power Management Integrated Circuit bindings + +BD71837MWV is a programmable Power Management IC for powering single-core, +dual-core, and quad-core SoC’s such as NXP-i.MX 8M. It is optimized for +low BOM cost and compact solution footprint. It integrates 8 Buck +egulators and 7 LDO’s to provide all the power rails required by the SoC and +the commonly used peripherals. + +Required properties: + - compatible : Should be "rohm,bd71837". + - reg : I2C slave address. + - interrupt-parent : Phandle to the parent interrupt controller. + - interrupts : The interrupt line the device is connected to. + - interrupt-controller : Marks the device node as an interrupt controller. + - #interrupt-cells : The number of cells to describe an IRQ, should be 1 or 2. + The first cell is the IRQ number. + The second cell if present is the flags, encoded as trigger + masks from ../interrupt-controller/interrupts.txt. + - regulators: : List of child nodes that specify the regulators + Please see ../regulator/rohm,bd71837-regulator.txt + - clock: : Please see ../clock/rohm,bd71837-clock.txt + +Example: + + pmic: bd71837@4b { + compatible = "rohm,bd71837"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x4b>; + interrupt-parent = <&gpio1>; + interrupts = <29 GPIO_ACTIVE_LOW>; + interrupt-names = "irq"; + #interrupt-cells = <1>; + interrupt-controller; + + regulators { + buck1: BUCK1 { + regulator-name = "buck1"; + regulator-min-microvolt = <700000>; + regulator-max-microvolt = <1300000>; + regulator-boot-on; + regulator-ramp-delay = <1250>; + }; + ... + }; + clk: bd71837-32k-out { + compatible = "rohm,bd71837-clk"; + #clock-cells = <0>; + clock-frequency = <32768>; + clock-output-names = "bd71837-32k-out"; + }; + }; -- 2.14.3