Add device tree bindings documentation for Rockchip's RK809 & RK817 PMIC. Signed-off-by: Tony Xie <tony.xie@xxxxxxxxxxxxxx> --- Documentation/devicetree/bindings/mfd/rk808.txt | 56 +++++++++++++++++++++++++ 1 file changed, 56 insertions(+) diff --git a/Documentation/devicetree/bindings/mfd/rk808.txt b/Documentation/devicetree/bindings/mfd/rk808.txt index 91b6522..c025a99 100644 --- a/Documentation/devicetree/bindings/mfd/rk808.txt +++ b/Documentation/devicetree/bindings/mfd/rk808.txt @@ -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 - interrupt-parent: The parent interrupt controller. @@ -46,6 +50,28 @@ Optional RK808 properties: the gpio controller. If DVS GPIOs aren't present, voltage changes will happen very quickly with no slow ramp time. +Optional RK809 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 +- vcc8-supply: The input supply for SWITCH_REG1 +- vcc9-supply: The input supply for DCDC_REG5, SWITCH_REG2 + +Optional 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 +- 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 @@ -87,6 +113,28 @@ number as described in RK808 datasheet. - SWITCH_REGn - valid values for n are 1 to 2 +Following regulators of the RK809 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. + + - DCDC_REGn + - valid values for n are 1 to 5. + - LDO_REGn + - valid values for n are 1 to 9. + - SWITCH_REGn + - valid values for n are 1 to 2. + +Following regulators of the RK817 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. + + - DCDC_REGn + - valid values for n are 1 to 4. + - LDO_REGn + - valid values for n are 1 to 9. + - BOOST + - OTG_SWITCH + 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. @@ -99,6 +147,14 @@ number as described in RK818 datasheet. - HDMI_SWITCH - OTG_SWITCH +There are three pins needed to config for each of RK809 and RK817, +named "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 -- 1.9.1
