diff --git a/[refs] b/[refs] index 410c0f831aa2..88b9f21b7045 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: 47def5b80f087d033013c0609679812cfafd6b49 +refs/heads/master: d9240e612ba79287e29f2eac52f94a2016fb0914 diff --git a/trunk/drivers/i2c/busses/i2c-ocores.c b/trunk/drivers/i2c/busses/i2c-ocores.c index dee0352737d7..ef3bcb1ce864 100644 --- a/trunk/drivers/i2c/busses/i2c-ocores.c +++ b/trunk/drivers/i2c/busses/i2c-ocores.c @@ -9,6 +9,41 @@ * kind, whether express or implied. */ +/* + * Device tree configuration: + * + * Required properties: + * - compatible : "opencores,i2c-ocores" + * - reg : bus address start and address range size of device + * - interrupts : interrupt number + * - regstep : size of device registers in bytes + * - clock-frequency : frequency of bus clock in Hz + * + * Example: + * + * i2c0: ocores@a0000000 { + * compatible = "opencores,i2c-ocores"; + * reg = <0xa0000000 0x8>; + * interrupts = <10>; + * + * regstep = <1>; + * clock-frequency = <20000000>; + * + * -- Devices connected on this I2C bus get + * -- defined here; address- and size-cells + * -- apply to these child devices + * + * #address-cells = <1>; + * #size-cells = <0>; + * + * dummy@60 { + * compatible = "dummy"; + * reg = <60>; + * }; + * }; + * + */ + #include #include #include