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Merge branch 'i2c/for-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux

Browse source 
Pull i2c updates from Wolfram Sang:
 "Here is the I2C pull request for 4.8:

   - the core and i801 driver gained support for SMBus Host Notify

   - core support for more than one address in DT

   - i2c_add_adapter() has now better error messages.  We can remove all
     error messages from drivers calling it as a next step.

   - bigger updates to rk3x driver to support rk3399 SoC

   - the at24 eeprom driver got refactored and can now read special
     variants with unique serials or fixed MAC addresses.

  The rest is regular driver updates and bugfixes"

* 'i2c/for-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (66 commits)
  i2c: i801: use IS_ENABLED() instead of checking for built-in or module
  Documentation: i2c: slave: give proper example for pm usage
  Documentation: i2c: slave: describe buffer problems a bit better
  i2c: bcm2835: Don't complain on -EPROBE_DEFER from getting our clock
  i2c: i2c-smbus: drop useless stubs
  i2c: efm32: fix a failure path in efm32_i2c_probe()
  Revert "i2c: core: Cleanup I2C ACPI namespace"
  Revert "i2c: core: Add function for finding the bus speed from ACPI"
  i2c: Update the description of I2C_SMBUS
  i2c: i2c-smbus: fix i2c_handle_smbus_host_notify documentation
  eeprom: at24: tweak the loop_until_timeout() macro
  eeprom: at24: add support for at24mac series
  eeprom: at24: support reading the serial number for 24csxx
  eeprom: at24: platform_data: use BIT() macro
  eeprom: at24: split at24_eeprom_write() into specialized functions
  eeprom: at24: split at24_eeprom_read() into specialized functions
  eeprom: at24: hide the read/write loop behind a macro
  eeprom: at24: call read/write functions via function pointers
  eeprom: at24: coding style fixes
  eeprom: at24: move at24_read() below at24_eeprom_write()
  ...
This commit is contained in:
Linus Torvalds 2016-07-27 14:19:25 -07:00
commit 66304207cd
31 changed files with 1416 additions and 550 deletions
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16
Documentation/devicetree/bindings/i2c/i2c-rk3x.txt
View file

@ -6,10 +6,20 @@ RK3xxx SoCs.
Required properties :
- reg : Offset and length of the register set for the device
- compatible : should be "rockchip,rk3066-i2c", "rockchip,rk3188-i2c",
"rockchip,rk3228-i2c" or "rockchip,rk3288-i2c".
- compatible: should be one of the following:
- "rockchip,rk3066-i2c": for rk3066
- "rockchip,rk3188-i2c": for rk3188
- "rockchip,rk3228-i2c": for rk3228
- "rockchip,rk3288-i2c": for rk3288
- "rockchip,rk3399-i2c": for rk3399
- interrupts : interrupt number
- clocks : parent clock
- clocks: See ../clock/clock-bindings.txt
- For older hardware (rk3066, rk3188, rk3228, rk3288):
- There is one clock that's used both to derive the functional clock
for the device and as the bus clock.
- For newer hardware (rk3399): specified by name
- "i2c": This is used to derive the functional clock.
- "pclk": This is the bus clock.
Required on RK3066, RK3188 :

7
Documentation/devicetree/bindings/i2c/i2c.txt
View file

@ -62,6 +62,13 @@ wants to support one of the below features, it should adapt the bindings below.
- wakeup-source
device can be used as a wakeup source.
- reg
I2C slave addresses
- reg-names
Names of map programmable addresses.
It can contain any map needing another address than default one.
Binding may contain optional "interrupts" property, describing interrupts
used by the device. I2C core will assign "irq" interrupt (or the very first
interrupt if not using interrupt names) as primary interrupt for the slave.