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Commit 696d7349 authored by Tony Xie's avatar Tony Xie Committed by Lee Jones
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dt-bindings: mfd: rk808: Add binding information for RK809 and RK817. 



Add device tree bindings documentation for Rockchip's RK809 & RK817 PMIC.

Signed-off-by: default avatarTony Xie <tony.xie@rock-chips.com>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarLee Jones <lee.jones@linaro.org>
parent e444f6d6

Documentation/devicetree/bindings/mfd/rk808.txt

+44 −0
Original line number Diff line number Diff line
@@ -3,11 +3,15 @@ RK8XX Power Management Integrated Circuit 
The rk8xx family current members:

rk805

rk808

rk809

rk817

rk818



Required properties:

- compatible: "rockchip,rk805"

- compatible: "rockchip,rk808"

- compatible: "rockchip,rk809"

- compatible: "rockchip,rk817"

- compatible: "rockchip,rk818"

- reg: I2C slave address

- interrupts: the interrupt outputs of the controller.
@@ -45,6 +49,23 @@ Optional RK808 properties: 
  the gpio controller. If DVS GPIOs aren't present, voltage changes will happen

  very quickly with no slow ramp time.



Optional shared RK809 and RK817 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, LDO_REG2, LDO_REG3

- vcc6-supply:  The input supply for LDO_REG4, LDO_REG5, LDO_REG6

- vcc7-supply:  The input supply for LDO_REG7, LDO_REG8, LDO_REG9



Optional RK809 properties:

- vcc8-supply:  The input supply for SWITCH_REG1

- vcc9-supply:  The input supply for DCDC_REG5, SWITCH_REG2



Optional RK817 properties:

- vcc8-supply:  The input supply for BOOST

- vcc9-supply:  The input supply for OTG_SWITCH



Optional RK818 properties:

- vcc1-supply:  The input supply for DCDC_REG1

- vcc2-supply:  The input supply for DCDC_REG2
@@ -86,6 +107,21 @@ number as described in RK808 datasheet. 
	- SWITCH_REGn

		- valid values for n are 1 to 2



Following regulators of the RK809 and RK817 PMIC blocks are supported. Note that

the 'n' in regulator name, as in DCDC_REGn or LDOn, represents the DCDC or LDO

number as described in RK809 and RK817 datasheets.



	- DCDC_REGn

		- valid values for n are 1 to 5 for RK809.

		- valid values for n are 1 to 4 for RK817.

	- LDO_REGn

		- valid values for n are 1 to 9 for RK809.

		- valid values for n are 1 to 9 for RK817.

	- SWITCH_REGn

		- valid values for n are 1 to 2 for RK809.

	- BOOST for RK817

	- OTG_SWITCH for RK817



Following regulators of the RK818 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 RK818 datasheet.
@@ -98,6 +134,14 @@ number as described in RK818 datasheet. 
	- HDMI_SWITCH

	- OTG_SWITCH



It is necessary to configure three pins for both the RK809 and RK817, the three

pins are "gpio_ts" "gpio_gt" "gpio_slp".

	The gpio_gt and gpio_ts pins support the gpio function.

	The gpio_slp pin is for controlling the pmic states, as below:

		- reset

		- power down

		- sleep



Standard regulator bindings are used inside regulator subnodes. Check

  Documentation/devicetree/bindings/regulator/regulator.txt

for more details