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| author | David Daney <david.daney@cavium.com> | 2018-02-22 21:04:32 +0100 |
|---|---|---|
| committer | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2018-03-17 14:20:51 +0100 |
| commit | 4731a43169b799a9b4337579793a24fcc85943f5 (patch) | |
| tree | 9041b084e8eae0a8d9e2500b9a19454172477565 /Documentation | |
| parent | rtc: brcmstb-waketimer: Set wktmr prescaler (diff) | |
| download | linux-4731a43169b799a9b4337579793a24fcc85943f5.tar.xz linux-4731a43169b799a9b4337579793a24fcc85943f5.zip | |
rtc: isl12026: new driver.
The ISL12026 is a combination RTC and EEPROM device with I2C
interface. The standard RTC driver interface is provided. The EEPROM
is accessed via the NVMEM interface.
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: David Daney <david.daney@cavium.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/rtc/isil,isl12026.txt | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/rtc/isil,isl12026.txt b/Documentation/devicetree/bindings/rtc/isil,isl12026.txt new file mode 100644 index 000000000000..2e0be45193bb --- /dev/null +++ b/Documentation/devicetree/bindings/rtc/isil,isl12026.txt @@ -0,0 +1,28 @@ +ISL12026 I2C RTC/EEPROM + +ISL12026 is an I2C RTC/EEPROM combination device. The RTC and control +registers respond at bus address 0x6f, and the EEPROM array responds +at bus address 0x57. The canonical "reg" value will be for the RTC portion. + +Required properties supported by the device: + + - "compatible": must be "isil,isl12026" + - "reg": I2C bus address of the device (always 0x6f) + +Optional properties: + + - "isil,pwr-bsw": If present PWR.BSW bit must be set to the specified + value for proper operation. + + - "isil,pwr-sbib": If present PWR.SBIB bit must be set to the specified + value for proper operation. + + +Example: + + rtc@6f { + compatible = "isil,isl12026"; + reg = <0x6f>; + isil,pwr-bsw = <0>; + isil,pwr-sbib = <1>; + } |