diff options
Diffstat (limited to 'Documentation/devicetree/bindings/mfd')
| -rw-r--r-- | Documentation/devicetree/bindings/mfd/rk808.txt | 22 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/mfd/stm32-lptimer.txt | 48 |
2 files changed, 69 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/mfd/rk808.txt b/Documentation/devicetree/bindings/mfd/rk808.txt index 9636ae8d8d41..91b65227afeb 100644 --- a/Documentation/devicetree/bindings/mfd/rk808.txt +++ b/Documentation/devicetree/bindings/mfd/rk808.txt @@ -1,11 +1,14 @@ RK8XX Power Management Integrated Circuit The rk8xx family current members: +rk805 rk808 rk818 Required properties: -- compatible: "rockchip,rk808", "rockchip,rk818" +- compatible: "rockchip,rk805" +- compatible: "rockchip,rk808" +- compatible: "rockchip,rk818" - reg: I2C slave address - interrupt-parent: The parent interrupt controller. - interrupts: the interrupt outputs of the controller. @@ -18,6 +21,14 @@ Optional properties: - rockchip,system-power-controller: Telling whether or not this pmic is controlling the system power. +Optional RK805 properties: +- vcc1-supply: The input supply for DCDC_REG1 +- vcc2-supply: The input supply for DCDC_REG2 +- vcc3-supply: The input supply for DCDC_REG3 +- vcc4-supply: The input supply for DCDC_REG4 +- vcc5-supply: The input supply for LDO_REG1 and LDO_REG2 +- vcc6-supply: The input supply for LDO_REG3 + Optional RK808 properties: - vcc1-supply: The input supply for DCDC_REG1 - vcc2-supply: The input supply for DCDC_REG2 @@ -56,6 +67,15 @@ by a child node of the 'regulators' node. /* standard regulator bindings here */ }; +Following regulators of the RK805 PMIC regulators are supported. Note that +the 'n' in regulator name, as in DCDC_REGn or LDOn, represents the DCDC or LDO +number as described in RK805 datasheet. + + - DCDC_REGn + - valid values for n are 1 to 4. + - LDO_REGn + - valid values for n are 1 to 3 + Following regulators of the RK808 PMIC block are supported. Note that the 'n' in regulator name, as in DCDC_REGn or LDOn, represents the DCDC or LDO number as described in RK808 datasheet. diff --git a/Documentation/devicetree/bindings/mfd/stm32-lptimer.txt b/Documentation/devicetree/bindings/mfd/stm32-lptimer.txt new file mode 100644 index 000000000000..2a9ff29db9c9 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/stm32-lptimer.txt @@ -0,0 +1,48 @@ +STMicroelectronics STM32 Low-Power Timer + +The STM32 Low-Power Timer (LPTIM) is a 16-bit timer that provides several +functions: +- PWM output (with programmable prescaler, configurable polarity) +- Quadrature encoder, counter +- Trigger source for STM32 ADC/DAC (LPTIM_OUT) + +Required properties: +- compatible: Must be "st,stm32-lptimer". +- reg: Offset and length of the device's register set. +- clocks: Phandle to the clock used by the LP Timer module. +- clock-names: Must be "mux". +- #address-cells: Should be '<1>'. +- #size-cells: Should be '<0>'. + +Optional subnodes: +- pwm: See ../pwm/pwm-stm32-lp.txt +- counter: See ../iio/timer/stm32-lptimer-cnt.txt +- trigger: See ../iio/timer/stm32-lptimer-trigger.txt + +Example: + + timer@40002400 { + compatible = "st,stm32-lptimer"; + reg = <0x40002400 0x400>; + clocks = <&timer_clk>; + clock-names = "mux"; + #address-cells = <1>; + #size-cells = <0>; + + pwm { + compatible = "st,stm32-pwm-lp"; + pinctrl-names = "default"; + pinctrl-0 = <&lppwm1_pins>; + }; + + trigger@0 { + compatible = "st,stm32-lptimer-trigger"; + reg = <0>; + }; + + counter { + compatible = "st,stm32-lptimer-counter"; + pinctrl-names = "default"; + pinctrl-0 = <&lptim1_in_pins>; + }; + }; |