On Wed, Oct 10, 2018 at 12:23 PM Lubomir Rintel <lkundrak@xxxxx> wrote: > > Hi. > > This patchset adds support for the Embedded Controller on an OLPC XO > 1.75 machine. OLPC XO 1.75 is a MMP2 based ARM laptop. It plugs into > the existing OLPC platform infrastructure, currently used by the x86 > based models. > > The EC operates in SPI master mode, meaning the SOC is the SPI slave. It > uses extra handshake signal to signal readiness of SOC to accept data > from EC and to initiate a transaction if SOC wishes to submit data. > > The SPI slave support for MMP2 was submitted separately: > https://lore.kernel.org/lkml/20181010170936.316862-1-lkundrak@xxxxx/T/#t > > THe "power: supply: olpc_battery: correct the temperature" patch was > already sent out separately, but I'm including it because the last > commit of the set depends on it. > > Tested to work on an OLPC XO 1.75 and also tested not to break x86 > support with an OLPC XO 1 machine. I don't have a XO 1.5, but it's > unlikely this breaks it when XO 1 works. I asked this on the OLPC devel list recently, but I don't think my message ever got past the moderator. Could you generate a DT dump from /proc/device-tree of an XO 1 and send to me? I have some DT changes planned and need to see if they'd be okay for x86 OLPC. Rob
