[PORT FROM R2] i2c: update I2C_3 clock to match settings recommended by SV

BZ: 15120

Update I2C_3 clock to match setttings recommended by SV team. This patch
is ported from R2 specifically for Cloverview support.

Change-Id: I7316caa970488a7a5661840db05ecc95c2bae2d6
Signed-of-by: Seema Pandit <seema.pandit@intel.com>
Reviewed-on: http://android.intel.com:8080/30662
Reviewed-by: Mai, Leonard <leonard.mai@intel.com>
Reviewed-by: Li, Ning <ning.li@intel.com>
Reviewed-by: Zhang, Shijie <shijie.zhang@intel.com>
Reviewed-by: Yang, Bin <bin.yang@intel.com>
Reviewed-by: Du, Alek <alek.du@intel.com>
Tested-by: Wang, Zhifeng <zhifeng.wang@intel.com>
Reviewed-by: buildbot <buildbot@intel.com>
Tested-by: buildbot <buildbot@intel.com>

diff --git a/drivers/i2c/busses/i2c-designware-pcidrv.c b/drivers/i2c/busses/i2c-designware-pcidrv.c
index fe25699..5440211 100644 (file)
--- a/drivers/i2c/busses/i2c-designware-pcidrv.c
+++ b/drivers/i2c/busses/i2c-designware-pcidrv.c
@@ -167,7 +167,7 @@ static struct  dw_pci_controller  dw_pci_controllers[] = {
                .bus_cfg   = INTEL_MID_STD_CFG | DW_IC_CON_SPEED_STD,
                .tx_fifo_depth = 32,
                .rx_fifo_depth = 32,
-               .clk_khz      = 17000,
+               .clk_khz      = 20500,
        },
        [cloverview_4] = {
                .bus_num     = 4,