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From: Pascal PAILLET-LME
To: "dmitry.torokhov@gmail.com" ,
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CC: Pascal PAILLET-LME
Subject: [PATCH v6 1/8] dt-bindings: mfd: document stpmic1
Thread-Topic: [PATCH v6 1/8] dt-bindings: mfd: document stpmic1
Thread-Index: AQHUhnGMf/l0g7QUAE+jxET/KlSvqA==
Date: Tue, 27 Nov 2018 16:52:14 +0000
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STPMIC1 is a PMIC from STMicroelectronics. The STPMIC1 integrates 10
regulators, 3 power switches, a watchdog and an input for a power on key.
Signed-off-by: Pascal Paillet
Reviewed-by: Rob Herring
Acked-for-MFD-by: Lee Jones
---
changes in v6:
* fix commit message
.../devicetree/bindings/mfd/st,stpmic1.txt | 61 ++++++++++++++++++++++
include/dt-bindings/mfd/st,stpmic1.h | 50 ++++++++++++++++++
2 files changed, 111 insertions(+)
create mode 100644 Documentation/devicetree/bindings/mfd/st,stpmic1.txt
create mode 100644 include/dt-bindings/mfd/st,stpmic1.h
diff --git a/Documentation/devicetree/bindings/mfd/st,stpmic1.txt b/Documentation/devicetree/bindings/mfd/st,stpmic1.txt
new file mode 100644
index 0000000..afd45c0
--- /dev/null
+++ b/Documentation/devicetree/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
+
+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 = ,;
+ 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;
+ };
+ };
diff --git a/include/dt-bindings/mfd/st,stpmic1.h b/include/dt-bindings/mfd/st,stpmic1.h
new file mode 100644
index 0000000..321cd087
--- /dev/null
+++ b/include/dt-bindings/mfd/st,stpmic1.h
@@ -0,0 +1,50 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) STMicroelectronics 2018 - All Rights Reserved
+ * Author: Philippe Peurichard ,
+ * Pascal Paillet for STMicroelectronics.
+ */
+
+#ifndef __DT_BINDINGS_STPMIC1_H__
+#define __DT_BINDINGS_STPMIC1_H__
+
+/* IRQ definitions */
+#define IT_PONKEY_F 0
+#define IT_PONKEY_R 1
+#define IT_WAKEUP_F 2
+#define IT_WAKEUP_R 3
+#define IT_VBUS_OTG_F 4
+#define IT_VBUS_OTG_R 5
+#define IT_SWOUT_F 6
+#define IT_SWOUT_R 7
+
+#define IT_CURLIM_BUCK1 8
+#define IT_CURLIM_BUCK2 9
+#define IT_CURLIM_BUCK3 10
+#define IT_CURLIM_BUCK4 11
+#define IT_OCP_OTG 12
+#define IT_OCP_SWOUT 13
+#define IT_OCP_BOOST 14
+#define IT_OVP_BOOST 15
+
+#define IT_CURLIM_LDO1 16
+#define IT_CURLIM_LDO2 17
+#define IT_CURLIM_LDO3 18
+#define IT_CURLIM_LDO4 19
+#define IT_CURLIM_LDO5 20
+#define IT_CURLIM_LDO6 21
+#define IT_SHORT_SWOTG 22
+#define IT_SHORT_SWOUT 23
+
+#define IT_TWARN_F 24
+#define IT_TWARN_R 25
+#define IT_VINLOW_F 26
+#define IT_VINLOW_R 27
+#define IT_SWIN_F 30
+#define IT_SWIN_R 31
+
+/* BUCK MODES definitions */
+#define STPMIC1_BUCK_MODE_NORMAL 0
+#define STPMIC1_BUCK_MODE_LP 2
+
+#endif /* __DT_BINDINGS_STPMIC1_H__ */
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From: Pascal PAILLET-LME
To: "dmitry.torokhov@gmail.com" ,
"robh+dt@kernel.org" ,
"mark.rutland@arm.com" ,
"lee.jones@linaro.org" ,
"lgirdwood@gmail.com" ,
"broonie@kernel.org" ,
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"linux@roeck-us.net" ,
"linux-input@vger.kernel.org" ,
"devicetree@vger.kernel.org" ,
"linux-kernel@vger.kernel.org" ,
"linux-watchdog@vger.kernel.org" ,
"benjamin.gaignard@linaro.org" ,
"eballetbo@gmail.com" ,
"axel.lin@ingics.com"
CC: Pascal PAILLET-LME
Subject: [PATCH v6 3/8] dt-bindings: regulator: document stpmic1 pmic
regulators
Thread-Topic: [PATCH v6 3/8] dt-bindings: regulator: document stpmic1 pmic
regulators
Thread-Index: AQHUhnGMXziu4rqWSUmQ9+/ALvBZeg==
Date: Tue, 27 Nov 2018 16:52:15 +0000
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The STPMIC1 regulators supply power to the application processor as well as
to the external system peripherals such as DDR, Flash memories and system
devices.
Signed-off-by: Pascal Paillet
Reviewed-by: Rob Herring
---
changes in v6:
* remove interrupt parent
.../bindings/regulator/st,stpmic1-regulator.txt | 67 ++++++++++++++++++++++
1 file changed, 67 insertions(+)
create mode 100644 Documentation/devicetree/bindings/regulator/st,stpmic1-regulator.txt
diff --git a/Documentation/devicetree/bindings/regulator/st,stpmic1-regulator.txt b/Documentation/devicetree/bindings/regulator/st,stpmic1-regulator.txt
new file mode 100644
index 0000000..5adc938
--- /dev/null
+++ b/Documentation/devicetree/bindings/regulator/st,stpmic1-regulator.txt
@@ -0,0 +1,66 @@
+STMicroelectronics STPMIC1 Voltage regulators
+
+Regulator Nodes are optional depending on needs.
+
+Available Regulators in STPMIC1 device are:
+ - buck1 for Buck BUCK1
+ - buck2 for Buck BUCK2
+ - buck3 for Buck BUCK3
+ - buck4 for Buck BUCK4
+ - ldo1 for LDO LDO1
+ - ldo2 for LDO LDO2
+ - ldo3 for LDO LDO3
+ - ldo4 for LDO LDO4
+ - ldo5 for LDO LDO5
+ - ldo6 for LDO LDO6
+ - vref_ddr for LDO Vref DDR
+ - boost for Buck BOOST
+ - pwr_sw1 for VBUS_OTG switch
+ - pwr_sw2 for SW_OUT switch
+
+Switches are fixed voltage regulators with only enable/disable capability.
+
+Optional properties:
+- st,mask-reset: mask reset for this regulator: the regulator configuration
+ is maintained during pmic reset.
+- regulator-pull-down: enable high pull down
+ if not specified light pull down is used
+- regulator-over-current-protection:
+ if set, all regulators are switched off in case of over-current detection
+ on this regulator,
+ if not set, the driver only sends an over-current event.
+- interrupts: index of current limit detection interrupt
+- -supply: phandle to the parent supply/regulator node
+ each regulator supply can be described except vref_ddr.
+- regulator-active-discharge: can be used on pwr_sw1 and pwr_sw2.
+
+Example:
+regulators {
+ compatible = "st,stpmic1-regulators";
+
+ ldo6-supply = <&v3v3>;
+
+ vdd_core: buck1 {
+ regulator-name = "vdd_core";
+ interrupts = ;
+ st,mask-reset;
+ regulator-pull-down;
+ regulator-min-microvolt = <700000>;
+ regulator-max-microvolt = <1200000>;
+ };
+
+ v3v3: buck4 {
+ regulator-name = "v3v3";
+ interrupts = ;
+
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ };
+
+ v1v8: ldo6 {
+ regulator-name = "v1v8";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-over-current-protection;
+ };
+};
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From: Pascal PAILLET-LME
To: "dmitry.torokhov@gmail.com" ,
"robh+dt@kernel.org" ,
"mark.rutland@arm.com" ,
"lee.jones@linaro.org" ,
"lgirdwood@gmail.com" ,
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"linux-input@vger.kernel.org" ,
"devicetree@vger.kernel.org" ,
"linux-kernel@vger.kernel.org" ,
"linux-watchdog@vger.kernel.org" ,
"benjamin.gaignard@linaro.org" ,
"eballetbo@gmail.com" ,
"axel.lin@ingics.com"
CC: Pascal PAILLET-LME
Subject: [PATCH v6 5/8] dt-bindings: input: document stpmic1 pmic onkey
Thread-Topic: [PATCH v6 5/8] dt-bindings: input: document stpmic1 pmic onkey
Thread-Index: AQHUhnGNict2cWlKfU6PSCQfboX0hg==
Date: Tue, 27 Nov 2018 16:52:16 +0000
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The stpmic1 pmic is able to manage an onkey button. It can be configured
to shut-down the power supplies on a long key-press with an adjustable
duration.
Signed-off-by: Pascal Paillet
Reviewed-by: Rob Herring
---
changes in v6: nothing
.../devicetree/bindings/input/st,stpmic1-onkey.txt | 28 ++++++++++++++++++++++
1 file changed, 28 insertions(+)
create mode 100644 Documentation/devicetree/bindings/input/st,stpmic1-onkey.txt
diff --git a/Documentation/devicetree/bindings/input/st,stpmic1-onkey.txt b/Documentation/devicetree/bindings/input/st,stpmic1-onkey.txt
new file mode 100644
index 0000000..4494613
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/st,stpmic1-onkey.txt
@@ -0,0 +1,28 @@
+STMicroelectronics STPMIC1 Onkey
+
+Required properties:
+
+- compatible = "st,stpmic1-onkey";
+- interrupts: interrupt line to use
+- interrupt-names = "onkey-falling", "onkey-rising"
+ onkey-falling: happens when onkey is pressed; IT_PONKEY_F of pmic
+ onkey-rising: happens when onkey is released; IT_PONKEY_R of pmic
+
+Optional properties:
+
+- st,onkey-clear-cc-flag: onkey is able power on after an
+ over-current shutdown event.
+- st,onkey-pu-inactive: onkey pull up is not active
+- power-off-time-sec: Duration in seconds which the key should be kept
+ pressed for device to power off automatically (from 1 to 16 seconds).
+ see See Documentation/devicetree/bindings/input/keys.txt
+
+Example:
+
+onkey {
+ compatible = "st,stpmic1-onkey";
+ interrupt-parent = <&pmic>;
+ interrupts = ,;
+ interrupt-names = "onkey-falling", "onkey-rising";
+ power-off-time-sec = <10>;
+};
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From: Pascal PAILLET-LME
To: "dmitry.torokhov@gmail.com" ,
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CC: Pascal PAILLET-LME
Subject: [PATCH v6 7/8] dt-bindings: watchdog: document stpmic1 pmic watchdog
Thread-Topic: [PATCH v6 7/8] dt-bindings: watchdog: document stpmic1 pmic
watchdog
Thread-Index: AQHUhnGOUS9VHPjeJ0S/nbFcuyiRtQ==
Date: Tue, 27 Nov 2018 16:52:17 +0000
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The stpmic1 PMIC embeds a watchdog which is disabled by default.
In case of watchdog, the PMIC goes off.
Signed-off-by: Pascal Paillet
Reviewed-by: Rob Herring
Reviewed-by: Guenter Roeck
---
changes in v6: nothing
Documentation/devicetree/bindings/watchdog/st,stpmic1-wdt.txt | 11 +++++++++++
1 file changed, 11 insertions(+)
create mode 100644 Documentation/devicetree/bindings/watchdog/st,stpmic1-wdt.txt
diff --git a/Documentation/devicetree/bindings/watchdog/st,stpmic1-wdt.txt b/Documentation/devicetree/bindings/watchdog/st,stpmic1-wdt.txt
new file mode 100644
index 0000000..7cc1407
--- /dev/null
+++ b/Documentation/devicetree/bindings/watchdog/st,stpmic1-wdt.txt
@@ -0,0 +1,11 @@
+STMicroelectronics STPMIC1 Watchdog
+
+Required properties:
+
+- compatible : should be "st,stpmic1-wdt"
+
+Example:
+
+watchdog {
+ compatible = "st,stpmic1-wdt";
+};