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Subject[PATCH v8 3/5] dt-bindings: mfd: rk808: Add binding information for RK809 and RK817.
Date
From: Tony Xie <tony.xie@rock-chips.com>

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

Signed-off-by: Tony Xie <tony.xie@rock-chips.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-for-MFD-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
---
.../devicetree/bindings/mfd/rk808.txt | 44 +++++++++++++++++++
1 file changed, 44 insertions(+)

diff --git a/Documentation/devicetree/bindings/mfd/rk808.txt b/Documentation/devicetree/bindings/mfd/rk808.txt
index 1683ec3245bc..04df07f6f793 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
- 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
--
2.20.1
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