[U-Boot] [PATCH 3/7] arm: mvebu: helios4: Enable I2C

[Aditya Prayoga]

On Wed, Nov 28, 2018 at 8:44 PM Dennis Gilmore <dgilmore at redhat.com> wrote:
>
> On Wed, 2018-11-28 at 16:59 +0800, Aditya Prayoga wrote:
> > Enable Marvell I2C driver and set default bus to external I2C bus.
> > Define I2C aliases in device tree so it can be recognized by the
> > driver.
> >
> > Signed-off-by: Aditya Prayoga <aditya at kobol.io>
> > ---
> >  arch/arm/dts/armada-388-helios4.dts | 2 ++
> >  configs/helios4_defconfig           | 3 +++
> >  2 files changed, 5 insertions(+)
> >
> > diff --git a/arch/arm/dts/armada-388-helios4.dts
> > b/arch/arm/dts/armada-388-helios4.dts
> > index a154e0f..711fc22 100644
> > --- a/arch/arm/dts/armada-388-helios4.dts
> > +++ b/arch/arm/dts/armada-388-helios4.dts
> > @@ -24,6 +24,8 @@
> >       aliases {
> >               /* So that mvebu u-boot can update the MAC addresses */
> >               ethernet1 = &eth0;
> > +             i2c0 = &i2c0;
> > +             i2c1 = &i2c1;
>
> have you sent the dts changes to the linux kernel also?

No, I haven't. Should I also send it to Linux kernel? WIthout those
aliases, Linux
can detect the i2c buses.

Aditya

> Dennis
> >       };
> >
> >       chosen {
> > diff --git a/configs/helios4_defconfig b/configs/helios4_defconfig
> > index e30eb3d..8ac8978 100644
> > --- a/configs/helios4_defconfig
> > +++ b/configs/helios4_defconfig
> > @@ -39,6 +39,9 @@ CONFIG_NET_RANDOM_ETHADDR=y
> >  CONFIG_SPL_OF_TRANSLATE=y
> >  CONFIG_SCSI_AHCI=y
> >  CONFIG_DM_I2C=y
> > +CONFIG_SYS_I2C_MVTWSI=y
> > +CONFIG_I2C_SET_DEFAULT_BUS_NUM=y
> > +CONFIG_I2C_DEFAULT_BUS_NUMBER=0x1
> >  CONFIG_MMC_SDHCI=y
> >  CONFIG_MMC_SDHCI_SDMA=y
> >  CONFIG_MMC_SDHCI_MV=y
>