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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2019-04-05 14:51:50 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2019-04-08 10:16:55 +0200 |
| commit | 1dc748b3b202cadf9b799874d9af8d441ee556bc (patch) | |
| tree | 58fd3c90a40e2d0128b0c7f36d63d7fc126bb20d /dts/Bindings/mfd/st,stpmic1.txt | |
| parent | 9688b49cd3bc0b61a019e8e1311236c9975a0777 (diff) | |
| download | barebox-1dc748b3b202cadf9b799874d9af8d441ee556bc.tar.gz barebox-1dc748b3b202cadf9b799874d9af8d441ee556bc.tar.xz | |
dts: update to v5.1-rc1
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'dts/Bindings/mfd/st,stpmic1.txt')
| -rw-r--r-- | dts/Bindings/mfd/st,stpmic1.txt | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/dts/Bindings/mfd/st,stpmic1.txt b/dts/Bindings/mfd/st,stpmic1.txt new file mode 100644 index 0000000000..afd45c0895 --- /dev/null +++ b/dts/Bindings/mfd/st,stpmic1.txt @@ -0,0 +1,61 @@ +* STMicroelectronics STPMIC1 Power Management IC + +Required properties: +- compatible: : "st,stpmic1" +- reg: : The I2C slave address for the STPMIC1 chip. +- interrupts: : The interrupt line the device is connected to. +- #interrupt-cells: : Should be 1. +- interrupt-controller: : Marks the device node as an interrupt controller. + Interrupt numbers are defined at + dt-bindings/mfd/st,stpmic1.h. + +STPMIC1 consists in a varied group of sub-devices. +Each sub-device binding is be described in own documentation file. + +Device Description +------ ------------ +st,stpmic1-onkey : Power on key, see ../input/st,stpmic1-onkey.txt +st,stpmic1-regulators : Regulators, see ../regulator/st,stpmic1-regulator.txt +st,stpmic1-wdt : Watchdog, see ../watchdog/st,stpmic1-wdt.txt + +Example: + +#include <dt-bindings/mfd/st,stpmic1.h> + +pmic: pmic@33 { + compatible = "st,stpmic1"; + reg = <0x33>; + interrupt-parent = <&gpioa>; + interrupts = <0 2>; + + interrupt-controller; + #interrupt-cells = <2>; + + onkey { + compatible = "st,stpmic1-onkey"; + interrupts = <IT_PONKEY_F 0>,<IT_PONKEY_R 1>; + interrupt-names = "onkey-falling", "onkey-rising"; + power-off-time-sec = <10>; + }; + + watchdog { + compatible = "st,stpmic1-wdt"; + }; + + regulators { + compatible = "st,stpmic1-regulators"; + + vdd_core: buck1 { + regulator-name = "vdd_core"; + regulator-boot-on; + regulator-min-microvolt = <700000>; + regulator-max-microvolt = <1200000>; + }; + vdd: buck3 { + regulator-name = "vdd"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + regulator-pull-down; + }; + }; |