diff options
Diffstat (limited to 'Documentation/devicetree/bindings/mfd')
| -rw-r--r-- | Documentation/devicetree/bindings/mfd/atmel-hlcdc.txt | 4 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/mfd/axp20x.txt | 4 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/mfd/da9062.txt | 88 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/mfd/max77686.txt | 65 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/mfd/max77802.txt | 26 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/mfd/rk808.txt | 8 |
6 files changed, 133 insertions, 62 deletions
diff --git a/Documentation/devicetree/bindings/mfd/atmel-hlcdc.txt b/Documentation/devicetree/bindings/mfd/atmel-hlcdc.txt index f64de95a8e8b..ad5d90482a0e 100644 --- a/Documentation/devicetree/bindings/mfd/atmel-hlcdc.txt +++ b/Documentation/devicetree/bindings/mfd/atmel-hlcdc.txt @@ -2,7 +2,11 @@ Device-Tree bindings for Atmel's HLCDC (High LCD Controller) MFD driver Required properties: - compatible: value should be one of the following: + "atmel,at91sam9n12-hlcdc" + "atmel,at91sam9x5-hlcdc" + "atmel,sama5d2-hlcdc" "atmel,sama5d3-hlcdc" + "atmel,sama5d4-hlcdc" - reg: base address and size of the HLCDC device registers. - clock-names: the name of the 3 clocks requested by the HLCDC device. Should contain "periph_clk", "sys_clk" and "slow_clk". diff --git a/Documentation/devicetree/bindings/mfd/axp20x.txt b/Documentation/devicetree/bindings/mfd/axp20x.txt index 753f14f46e85..41811223e5be 100644 --- a/Documentation/devicetree/bindings/mfd/axp20x.txt +++ b/Documentation/devicetree/bindings/mfd/axp20x.txt @@ -1,12 +1,14 @@ AXP family PMIC device tree bindings The axp20x family current members : +axp152 (X-Powers) axp202 (X-Powers) axp209 (X-Powers) axp221 (X-Powers) Required properties: -- compatible: "x-powers,axp202", "x-powers,axp209", "x-powers,axp221" +- compatible: "x-powers,axp152", "x-powers,axp202", "x-powers,axp209", + "x-powers,axp221" - reg: The I2C slave address for the AXP chip - interrupt-parent: The parent interrupt controller - interrupts: SoC NMI / GPIO interrupt connected to the PMIC's IRQ pin diff --git a/Documentation/devicetree/bindings/mfd/da9062.txt b/Documentation/devicetree/bindings/mfd/da9062.txt new file mode 100644 index 000000000000..38802b54d48a --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/da9062.txt @@ -0,0 +1,88 @@ +* Dialog DA9062 Power Management Integrated Circuit (PMIC) + +DA9062 consists of a large and varied group of sub-devices: + +Device Supply Names Description +------ ------------ ----------- +da9062-regulator : : LDOs & BUCKs +da9062-rtc : : Real-Time Clock +da9062-watchdog : : Watchdog Timer + +====== + +Required properties: + +- compatible : Should be "dlg,da9062". +- reg : Specifies the I2C slave address (this defaults to 0x58 but it can be + modified to match the chip's OTP settings). +- interrupt-parent : Specifies the reference to the interrupt controller for + the DA9062. +- interrupts : IRQ line information. +- interrupt-controller + +See Documentation/devicetree/bindings/interrupt-controller/interrupts.txt for +further information on IRQ bindings. + +Sub-nodes: + +- regulators : This node defines the settings for the LDOs and BUCKs. The + DA9062 regulators are bound using their names listed below: + + buck1 : BUCK_1 + buck2 : BUCK_2 + buck3 : BUCK_3 + buck4 : BUCK_4 + ldo1 : LDO_1 + ldo2 : LDO_2 + ldo3 : LDO_3 + ldo4 : LDO_4 + + The component follows the standard regulator framework and the bindings + details of individual regulator device can be found in: + Documentation/devicetree/bindings/regulator/regulator.txt + + +- rtc : This node defines settings required for the Real-Time Clock associated + with the DA9062. There are currently no entries in this binding, however + compatible = "dlg,da9062-rtc" should be added if a node is created. + +- watchdog: This node defines the settings for the watchdog driver associated + with the DA9062 PMIC. The compatible = "dlg,da9062-watchdog" should be added + if a node is created. + + +Example: + + pmic0: da9062@58 { + compatible = "dlg,da9062"; + reg = <0x58>; + interrupt-parent = <&gpio6>; + interrupts = <11 IRQ_TYPE_LEVEL_LOW>; + interrupt-controller; + + rtc { + compatible = "dlg,da9062-rtc"; + }; + + watchdog { + compatible = "dlg,da9062-watchdog"; + }; + + regulators { + DA9062_BUCK1: buck1 { + regulator-name = "BUCK1"; + regulator-min-microvolt = <300000>; + regulator-max-microvolt = <1570000>; + regulator-min-microamp = <500000>; + regulator-max-microamp = <2000000>; + regulator-boot-on; + }; + DA9062_LDO1: ldo1 { + regulator-name = "LDO_1"; + regulator-min-microvolt = <900000>; + regulator-max-microvolt = <3600000>; + regulator-boot-on; + }; + }; + }; + diff --git a/Documentation/devicetree/bindings/mfd/max77686.txt b/Documentation/devicetree/bindings/mfd/max77686.txt index 163bd81a4607..741e76688cf2 100644 --- a/Documentation/devicetree/bindings/mfd/max77686.txt +++ b/Documentation/devicetree/bindings/mfd/max77686.txt @@ -7,8 +7,9 @@ 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. -Binding for the built-in 32k clock generator block is defined separately -in bindings/clk/maxim,max77686.txt file. +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"; @@ -16,67 +17,11 @@ Required properties: - interrupts : This i2c device has an IRQ line connected to the main SoC. - interrupt-parent : The parent interrupt controller. -Optional node: -- voltage-regulators : The regulators of max77686 have to be instantiated - under subnode named "voltage-regulators" using the following format. - - regulator_name { - regulator-compatible = LDOn/BUCKn - standard regulator constraints.... - }; - refer Documentation/devicetree/bindings/regulator/regulator.txt - - The regulator-compatible property of regulator should initialized with string -to get matched with their hardware counterparts as follow: - - -LDOn : for LDOs, where n can lie in range 1 to 26. - example: LDO1, LDO2, LDO26. - -BUCKn : for BUCKs, where n can lie in range 1 to 9. - example: BUCK1, BUCK5, BUCK9. - - Regulators which can be turned off during system suspend: - -LDOn : 2, 6-8, 10-12, 14-16, - -BUCKn : 1-4. - Use standard regulator bindings for it ('regulator-off-in-suspend'). - - LDO20, LDO21, LDO22, BUCK8 and BUCK9 can be configured to GPIO enable - control. To turn this feature on this property must be added to the regulator - sub-node: - - maxim,ena-gpios : one GPIO specifier enable control (the gpio - flags are actually ignored and always - ACTIVE_HIGH is used) - Example: - max77686@09 { + max77686: pmic@09 { compatible = "maxim,max77686"; interrupt-parent = <&wakeup_eint>; interrupts = <26 0>; reg = <0x09>; - - voltage-regulators { - ldo11_reg { - regulator-compatible = "LDO11"; - regulator-name = "vdd_ldo11"; - regulator-min-microvolt = <1900000>; - regulator-max-microvolt = <1900000>; - regulator-always-on; - }; - - buck1_reg { - regulator-compatible = "BUCK1"; - regulator-name = "vdd_mif"; - regulator-min-microvolt = <950000>; - regulator-max-microvolt = <1300000>; - regulator-always-on; - regulator-boot-on; - }; - - buck9_reg { - regulator-compatible = "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/Documentation/devicetree/bindings/mfd/max77802.txt b/Documentation/devicetree/bindings/mfd/max77802.txt new file mode 100644 index 000000000000..51fc1a60caa5 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/max77802.txt @@ -0,0 +1,26 @@ +Maxim MAX77802 multi-function device + +The Maxim MAX77802 is a Power Management IC (PMIC) that contains 10 high +efficiency Buck regulators, 32 Low-DropOut (LDO) regulators used to power +up application processors and peripherals, a 2-channel 32kHz clock outputs, +a Real-Time-Clock (RTC) and a I2C interface to program the individual +regulators, clocks outputs and the RTC. + +Bindings for the built-in 32k clock generator block and +regulators are defined in ../clk/maxim,max77802.txt and +../regulator/max77802.txt respectively. + +Required properties: +- compatible : Must be "maxim,max77802" +- reg : Specifies the I2C slave address of PMIC block. +- interrupts : I2C device IRQ line connected to the main SoC. +- interrupt-parent : The parent interrupt controller. + +Example: + + max77802: pmic@09 { + compatible = "maxim,max77802"; + interrupt-parent = <&intc>; + interrupts = <26 IRQ_TYPE_NONE>; + reg = <0x09>; + }; diff --git a/Documentation/devicetree/bindings/mfd/rk808.txt b/Documentation/devicetree/bindings/mfd/rk808.txt index 9e6e2592e5c8..4ca6aab4273a 100644 --- a/Documentation/devicetree/bindings/mfd/rk808.txt +++ b/Documentation/devicetree/bindings/mfd/rk808.txt @@ -24,6 +24,10 @@ Optional properties: - vcc10-supply: The input supply for LDO_REG6 - vcc11-supply: The input supply for LDO_REG8 - vcc12-supply: The input supply for SWITCH_REG2 +- dvs-gpios: buck1/2 can be controlled by gpio dvs, this is GPIO specifiers + for 2 host gpio's used for dvs. The format of the gpio specifier depends in + the gpio controller. If DVS GPIOs aren't present, voltage changes will happen + very quickly with no slow ramp time. Regulators: All the regulators of RK808 to be instantiated shall be listed in a child node named 'regulators'. Each regulator is represented @@ -55,7 +59,9 @@ Example: interrupt-parent = <&gpio0>; interrupts = <4 IRQ_TYPE_LEVEL_LOW>; pinctrl-names = "default"; - pinctrl-0 = <&pmic_int>; + pinctrl-0 = <&pmic_int &dvs_1 &dvs_2>; + dvs-gpios = <&gpio7 11 GPIO_ACTIVE_HIGH>, + <&gpio7 15 GPIO_ACTIVE_HIGH>; reg = <0x1b>; rockchip,system-power-controller; wakeup-source; |
