Milo On 01/08/2016 10:47 AM, Dan Murphy wrote: > <snip> >> - MFD devices >> lp8860-core will create MFD child devices based on EEPROM value. >> LED_STRING_CONF[2:0] bits will be read. >> mode 0: backlight >> 1: backlight + LED >> 2: backlight + LED 1, 2 >> 3: backlight + LED 1, 2, 3 >> 4: backlight 1, 2 >> 5: backlight >> 6: backlight + LED 1, 2 >> 7: LED 1,2,3,4 >> (Please refer to the page 28 and 29 of LP8860 datasheet. >> http://www.ti.com/lit/ds/symlink/lp8860-q1.pdf) > Well is this something we can add to the DT and program the EEPROM on the fly for > implementations that do not require TI firmware? > Is loading the EEPROM firmware an absolute requirement? Can't the individuals just > update the EEPROM values in the core file? > Are all the EEPROM values 0x00? I am not seeing any default values in the TRM. Ok I found a default table in the data sheet based on part value. So there may be a need to use the default EEPROM values and adjust during boot. Dan > >> * Backlight (new) >> - PWM control mode support >> - Register backlight device >> >> * LED (will be modified) >> - Unlock/lock EEPROM code will be moved to lp8860-core part >> - Multiple LED output channels will be supported >> >> I'd like to have your opinion prior to creating patches. >> >> Jacek, >> It would be best if you have better idea for this. Thanks! >> >> Best regards, >> Milo > Dan > -- ------------------ Dan Murphy -- To unsubscribe from this list: send the line "unsubscribe linux-leds" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
