[PATCH 0/2] Add OpenCores I2C controller driver

[Pragnesh Patel]

This driver has been tested on HiFive Unleashed with a PMOD based
RTCC sensor connected to I2C pins J1 header of the board.

This series is available here [1] for testing
[1] https://github.com/pragnesh26992/u-boot/tree/i2c

Tested-by: Sagar Shrikant Kadam <sagar.kadam at sifive.com>

U-Boot Logs for reference:

Hit any key to stop autoboot:  0
=> i2c dev 0
Setting bus to 0
=> i2c probe
Valid chip addresses: 57 6F
=> i2c md 0x57 0x0 1
0000: ff
=> i2c mw 0x57 0x0 0xa5 1
=> i2c md 0x57 0x0 1
0000: a5
=> i2c md 0x6f 0x0 1
0000: 00
=> i2c md 0x6f 0x1 1
0001: 00
=> i2c md 0x6f 0x2 1
0002: 00
=> i2c md 0x6f 0x20 1
0020: 98
=> i2c md 0x6f 0x5f 1
005f: 55
=> i2c mw 0x6f 0x0 0x12 1
=> i2c mw 0x6f 0x1 0x34 1
=> i2c mw 0x6f 0x2 0x56 1
=> i2c md 0x6f 0x0 1
0000: 12
=> i2c md 0x6f 0x1 1
0001: 34
=> i2c md 0x6f 0x2 1
0002: 56
=> i2c mw 0x6f 0x20 0x78 1
=> i2c md 0x6f 0x20 1
0020: 78
=> i2c mw 0x6f 0x5f 0x5a 1
=> i2c md 0x6f 0x5f 1
005f: 5a
=> i2c mw 0x6f 0x5f 0xa5 1
=> i2c md 0x6f 0x5f 1
005f: a5


Pragnesh Patel (2):
  i2c: ocores: add i2c driver for OpenCores I2C controller
  riscv: sifive/fu540: kconfig: Enable support for Opencores I2C
    controller

 arch/riscv/cpu/fu540/Kconfig |   2 +
 board/sifive/fu540/Kconfig   |   1 +
 drivers/i2c/Kconfig          |   7 +
 drivers/i2c/Makefile         |   1 +
 drivers/i2c/ocores_i2c.c     | 638 +++++++++++++++++++++++++++++++++++
 5 files changed, 649 insertions(+)
 create mode 100644 drivers/i2c/ocores_i2c.c

-- 
2.17.1