Current description of the compatible property for at24 is quite vague. Specify an exact list of accepted compatibles and document the - now deprecated - strings which were previously used in device tree files. Signed-off-by: Bartosz Golaszewski <brgl@xxxxxxxx> --- Documentation/devicetree/bindings/eeprom/at24.txt | 50 +++++++++++++---------- 1 file changed, 28 insertions(+), 22 deletions(-) diff --git a/Documentation/devicetree/bindings/eeprom/at24.txt b/Documentation/devicetree/bindings/eeprom/at24.txt index cbc80e194ac6..6ccbd000bfa4 100644 --- a/Documentation/devicetree/bindings/eeprom/at24.txt +++ b/Documentation/devicetree/bindings/eeprom/at24.txt @@ -2,28 +2,34 @@ EEPROMs (I2C) Required properties: - - compatible : should be "<manufacturer>,<type>", like these: - - "atmel,24c00", "atmel,24c01", "atmel,24c02", "atmel,24c04", - "atmel,24c08", "atmel,24c16", "atmel,24c32", "atmel,24c64", - "atmel,24c128", "atmel,24c256", "atmel,24c512", "atmel,24c1024" - - "catalyst,24c32" - - "microchip,24c128" - - "ramtron,24c64" - - "renesas,r1ex24002" - - The following manufacturers values have been deprecated: - "at", "at24" - - If there is no specific driver for <manufacturer>, a generic - device with <type> and manufacturer "atmel" should be used. - Possible types are: - "24c00", "24c01", "24c02", "24c04", "24c08", "24c16", "24c32", "24c64", - "24c128", "24c256", "24c512", "24c1024", "spd" + - compatible: must be one of the following: + + "atmel,24c00", + "atmel,24c01", + "atmel,24c02", + "atmel,24c04", + "atmel,24c08", + "atmel,24c16", + "atmel,24c32", + "atmel,24c64", + "atmel,24c128", + "atmel,24c256", + "atmel,24c512", + "atmel,24c1024" + + NOTE: old compatible strings, such as: + + "catalyst,24c32", + "microchip,24c128", + "ramtron,24c64", + "renesas,r1ex24002", + "at,24c08", + "at24,24c08" + + will still work, but are now deprecated. + + Also: matching by device type alone - while still supported due to + implementation details in I2C core - is deprecated as well. - reg : the I2C address of the EEPROM -- 2.15.1
