reg-init implementation is borowerd from
broadcom,c45-reg-init and marvell,reg-init.
Signed-off-by: Constantine Shulyupin <const@xxxxxxxxxxxxx>
---
---
.../devicetree/bindings/hwmon/nct7802.txt | 27 ++++++++++++++++++++++
1 file changed, 27 insertions(+)
create mode 100644 Documentation/devicetree/bindings/hwmon/nct7802.txt
diff --git a/Documentation/devicetree/bindings/hwmon/nct7802.txt b/Documentation/devicetree/bindings/hwmon/nct7802.txt
new file mode 100644
index 0000000..fa83628
--- /dev/null
+++ b/Documentation/devicetree/bindings/hwmon/nct7802.txt
@@ -0,0 +1,27 @@
+Nuvoton NCT7802Y Hardware Monitoring IC
+
+Required node properties:
+
+ - "compatible": must be "nuvoton,nct7802"
+ - "reg": I2C bus address of the device
+
+Optional properties:
+
+Numeric registors initialiaztion:
+
+- nct7802,reg-init : one of more sets of 4 cells. The first cell
+ is the page address, the second a register address within the page,
+ the third cell contains a mask to be ANDed with the existing register
+ value, and the fourth cell is ORed with the result to yield the
+ new register value. If the third cell has a value of zero,
+ no read of the existing value is performed.
+
+Example nct7802 node:
+
+nct7802 {
+ compatible = "nuvoton,nct7802";
+ reg = <0x2a>;
+ nct7802,reg-init =
+ <0 0x21 0 0x01 > // START = 1
+ <0 0x22 0x03 0x02>; // RTD1_MD = 2
+};
--
1.9.1
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