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[24.155.109.49]) by smtp.gmail.com with ESMTPSA id m89sm1208979otc.7.2019.02.22.16.30.41 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Fri, 22 Feb 2019 16:30:42 -0800 (PST) Date: Fri, 22 Feb 2019 18:30:41 -0600 From: Rob Herring To: Matti Vaittinen Cc: mazziesaccount@gmail.com, lee.jones@linaro.org, mark.rutland@arm.com, lgirdwood@gmail.com, broonie@kernel.org, gregkh@linuxfoundation.org, rafael@kernel.org, mturquette@baylibre.com, sboyd@kernel.org, linus.walleij@linaro.org, bgolaszewski@baylibre.com, sre@kernel.org, a.zummo@towertech.it, alexandre.belloni@bootlin.com, wim@linux-watchdog.org, linux@roeck-us.net, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, linux-gpio@vger.kernel.org, linux-pm@vger.kernel.org, linux-rtc@vger.kernel.org, linux-watchdog@vger.kernel.org, mikko.mutanen@fi.rohmeurope.com, heikki.haikola@fi.rohmeurope.com Subject: Re: [RFC PATCH v1 07/13] devicetree: bindings: Document first ROHM BD70528 bindings Message-ID: <20190223003041.GA16670@bogus> References: <80de7a2b537ae3f414b0281736652256f38cf94c.1548149337.git.matti.vaittinen@fi.rohmeurope.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <80de7a2b537ae3f414b0281736652256f38cf94c.1548149337.git.matti.vaittinen@fi.rohmeurope.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-watchdog-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-watchdog@vger.kernel.org On Tue, Jan 22, 2019 at 11:45:38AM +0200, Matti Vaittinen wrote: > Document bindings for regulators (3 bucks, 3 LDOs and 2 LED > drivers) and 4 GPIO pins which can be configured for I/O or > as interrupt sources withe configurable trigger levels. 'dt-bindings: mfd: ...' for the subject. > > Signed-off-by: Matti Vaittinen > --- > .../devicetree/bindings/mfd/rohm,bd70528-pmic.txt | 104 +++++++++++++++++++++ > 1 file changed, 104 insertions(+) > create mode 100644 Documentation/devicetree/bindings/mfd/rohm,bd70528-pmic.txt > > diff --git a/Documentation/devicetree/bindings/mfd/rohm,bd70528-pmic.txt b/Documentation/devicetree/bindings/mfd/rohm,bd70528-pmic.txt > new file mode 100644 > index 000000000000..21801440a53a > --- /dev/null > +++ b/Documentation/devicetree/bindings/mfd/rohm,bd70528-pmic.txt > @@ -0,0 +1,104 @@ > +* ROHM BD70528 Power Management Integrated Circuit bindings > + > +BD70528MWV is an ultra-low Iq general purpose single-chip power management IC > +for battery-powered portable devices. The IC integrates 3 ultra-low current > +consumption buck converters, 3 LDOs and 2 LED Drivers. Also included are 4 > +GPIOs, a real-time clock (RTC), a 32kHz clock gate, high-accuracy VREF > +for use with an external ADC, flexible dual-input power path, 10 bits SAR ADC > +for battery temperature monitor and 1S battery charger with scalable charge > +currents. > + > +Required properties: > + - compatible : Should be "rohm,bd70528" > + - reg : I2C slave address. > + - interrupt-parent : Phandle to the parent interrupt controller. Don't need to document this. It is implied and could be in the parent. > + - interrupts : The interrupt line the device is connected to. > + - interrupt-controller : To indicate bd70528 acts as an interrupt controller. > + - #interrupt-cells : Should be 2. usage is compliant to the 2 cells > + variant of ../interrupt-controller/interrupts.txt > + - gpio-controller : To indicate bd70528 acts as a gpio controller. > + - #gpio-cells : Should be 2. The first cell is the pin number and > + the second cell is used to specify flags. See > + ../gpio/gpio.txt for more information. > + - clock-frequency : Should be 32768 > + - #clock-cells : Should be 0. > + - regulators: : List of child nodes that specify the regulators. > + Please see ../regulator/rohm,bd70528-regulator.txt > + > +Optional properties: > + - clock-output-names : Should contain name for output clock. > + > +Example: > +/* external oscillator */ > +osc: oscillator { > + compatible = "fixed-clock"; > + #clock-cells = <1>; > + clock-frequency = <32768>; > + clock-output-names = "osc"; > +}; > + > +pmic: bd70528@4b { pmic@4b > + compatible = "rohm,bd70528"; > + reg = <0x4b>; > + interrupt-parent = <&gpio1>; > + interrupts = <29 GPIO_ACTIVE_LOW>; > + clocks = <&osc 0>; > + #clock-cells = <0>; > + clock-output-names = "bd70528-32k-out"; > + #gpio-cells = <2>; > + gpio-controller; > + interrupt-controller; > + #interrupt-cells = <2>; > + > + regulators { > + buck1: BUCK1 { > + regulator-name = "buck1"; > + regulator-min-microvolt = <1200000>; > + regulator-max-microvolt = <3400000>; > + regulator-boot-on; > + regulator-ramp-delay = <125>; > + }; > + buck2: BUCK2 { > + regulator-name = "buck2"; > + regulator-min-microvolt = <1200000>; > + regulator-max-microvolt = <3300000>; > + regulator-boot-on; > + regulator-ramp-delay = <125>; > + }; > + buck3: BUCK3 { > + regulator-name = "buck3"; > + regulator-min-microvolt = <800000>; > + regulator-max-microvolt = <1800000>; > + regulator-boot-on; > + regulator-ramp-delay = <250>; > + }; > + ldo1: LDO1 { > + regulator-name = "ldo1"; > + regulator-min-microvolt = <1650000>; > + regulator-max-microvolt = <3300000>; > + regulator-boot-on; > + }; > + ldo2: LDO2 { > + regulator-name = "ldo2"; > + regulator-min-microvolt = <1650000>; > + regulator-max-microvolt = <3300000>; > + regulator-boot-on; > + }; > + > + ldo3: LDO3 { > + regulator-name = "ldo3"; > + regulator-min-microvolt = <1650000>; > + regulator-max-microvolt = <3300000>; > + }; > + led_ldo1: LED_LDO1 { > + regulator-name = "led_ldo1"; > + regulator-min-microvolt = <200000>; > + regulator-max-microvolt = <300000>; > + }; > + led_ldo2: LED_LDO2 { > + regulator-name = "led_ldo2"; > + regulator-min-microvolt = <200000>; > + regulator-max-microvolt = <300000>; > + }; > + }; > +}; > -- > 2.14.3 > > > -- > Matti Vaittinen > ROHM Semiconductors > > ~~~ "I don't think so," said Rene Descartes. Just then, he vanished ~~~