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-rw-r--r--dts/Bindings/mfd/s2mps11.txt28
1 files changed, 21 insertions, 7 deletions
diff --git a/dts/Bindings/mfd/s2mps11.txt b/dts/Bindings/mfd/s2mps11.txt
index 57a045016f..09b94c97fa 100644
--- a/dts/Bindings/mfd/s2mps11.txt
+++ b/dts/Bindings/mfd/s2mps11.txt
@@ -1,5 +1,5 @@
-* Samsung S2MPS11, S2MPS13, S2MPS14 and S2MPU02 Voltage and Current Regulator
+* Samsung S2MPS11/13/14/15 and S2MPU02 Voltage and Current Regulator
The Samsung S2MPS11 is a multi-function device which includes voltage and
current regulators, RTC, charger controller and other sub-blocks. It is
@@ -7,17 +7,28 @@ interfaced to the host controller using an I2C interface. Each sub-block is
addressed by the host system using different I2C slave addresses.
Required properties:
-- compatible: Should be "samsung,s2mps11-pmic" or "samsung,s2mps13-pmic"
- or "samsung,s2mps14-pmic" or "samsung,s2mpu02-pmic".
+- compatible: Should be one of the following
+ - "samsung,s2mps11-pmic"
+ - "samsung,s2mps13-pmic"
+ - "samsung,s2mps14-pmic"
+ - "samsung,s2mps15-pmic"
+ - "samsung,s2mpu02-pmic".
- reg: Specifies the I2C slave address of the pmic block. It should be 0x66.
Optional properties:
- interrupt-parent: Specifies the phandle of the interrupt controller to which
the interrupts from s2mps11 are delivered to.
- interrupts: Interrupt specifiers for interrupt sources.
+- samsung,s2mps11-wrstbi-ground: Indicates that WRSTBI pin of PMIC is pulled
+ down. When the system is suspended it will always go down thus triggerring
+ unwanted buck warm reset (setting buck voltages to default values).
+- samsung,s2mps11-acokb-ground: Indicates that ACOKB pin of S2MPS11 PMIC is
+ connected to the ground so the PMIC must manually set PWRHOLD bit in CTRL1
+ register to turn off the power. Usually the ACOKB is pulled up to VBATT so
+ when PWRHOLD pin goes low, the rising ACOKB will trigger power off.
Optional nodes:
-- clocks: s2mps11, s2mps13 and s5m8767 provide three(AP/CP/BT) buffered 32.768
+- clocks: s2mps11, s2mps13, s2mps15 and s5m8767 provide three(AP/CP/BT) buffered 32.768
KHz outputs, so to register these as clocks with common clock framework
instantiate a sub-node named "clocks". It uses the common clock binding
documented in :
@@ -30,12 +41,13 @@ Optional nodes:
the clock which they consume.
Clock ID Devices
----------------------------------------------------------
- 32KhzAP 0 S2MPS11, S2MPS13, S2MPS14, S5M8767
- 32KhzCP 1 S2MPS11, S2MPS13, S5M8767
- 32KhzBT 2 S2MPS11, S2MPS13, S2MPS14, S5M8767
+ 32KhzAP 0 S2MPS11, S2MPS13, S2MPS14, S2MPS15, S5M8767
+ 32KhzCP 1 S2MPS11, S2MPS13, S2MPS15, S5M8767
+ 32KhzBT 2 S2MPS11, S2MPS13, S2MPS14, S2MPS15, S5M8767
- compatible: Should be one of: "samsung,s2mps11-clk", "samsung,s2mps13-clk",
"samsung,s2mps14-clk", "samsung,s5m8767-clk"
+ The s2msp15 uses the same compatible as s2mps13, as both provides similar clocks.
- regulators: The regulators of s2mps11 that have to be instantiated should be
included in a sub-node named 'regulators'. Regulator nodes included in this
@@ -83,6 +95,7 @@ as per the datasheet of s2mps11.
- S2MPS11: 1 to 38
- S2MPS13: 1 to 40
- S2MPS14: 1 to 25
+ - S2MPS15: 1 to 27
- S2MPU02: 1 to 28
- Example: LDO1, LDO2, LDO28
- BUCKn
@@ -90,6 +103,7 @@ as per the datasheet of s2mps11.
- S2MPS11: 1 to 10
- S2MPS13: 1 to 10
- S2MPS14: 1 to 5
+ - S2MPS15: 1 to 10
- S2MPU02: 1 to 7
- Example: BUCK1, BUCK2, BUCK9