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mfd: dt-bindings: Add RK805 device tree bindings document 

Add device tree bindings documentation for Rockchip's RK805 PMIC.

Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Elaine Zhang 2017-08-21 03:28:37 +02:00 committed by Lee Jones
parent 990f05f6a5
commit d9e6168974
1 changed files with 21 additions and 1 deletions
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22
Documentation/devicetree/bindings/mfd/rk808.txt
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@ -1,11 +1,14 @@
RK8XX Power Management Integrated Circuit RK8XX Power Management Integrated Circuit
The rk8xx family current members: The rk8xx family current members:
rk805
rk808 rk808
rk818 rk818
Required properties: Required properties:
- compatible: "rockchip,rk808", "rockchip,rk818" - compatible: "rockchip,rk805"
- compatible: "rockchip,rk808"
- compatible: "rockchip,rk818"
- reg: I2C slave address - reg: I2C slave address
- interrupt-parent: The parent interrupt controller. - interrupt-parent: The parent interrupt controller.
- interrupts: the interrupt outputs of the 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 - rockchip,system-power-controller: Telling whether or not this pmic is controlling
the system power. 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: Optional RK808 properties:
- vcc1-supply: The input supply for DCDC_REG1 - vcc1-supply: The input supply for DCDC_REG1
- vcc2-supply: The input supply for DCDC_REG2 - vcc2-supply: The input supply for DCDC_REG2
@ -56,6 +67,15 @@ by a child node of the 'regulators' node.
/* standard regulator bindings here */ /* 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 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 the 'n' in regulator name, as in DCDC_REGn or LDOn, represents the DCDC or LDO
number as described in RK808 datasheet. number as described in RK808 datasheet.