These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / Documentation / devicetree / bindings / mfd / s2mps11.txt

diff --git a/kernel/Documentation/devicetree/bindings/mfd/s2mps11.txt b/kernel/Documentation/devicetree/bindings/mfd/s2mps11.txt
index 57a0450..09b94c9 100644 (file)
--- a/kernel/Documentation/devicetree/bindings/mfd/s2mps11.txt
+++ b/kernel/Documentation/devicetree/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