On Thu, Aug 15, 2019 at 05:29:44PM +0300, Jarkko Nikula wrote:
> Add support for Intel(R) Programmable Services Engine (Intel(R) PSE) I2C
> controller in Intel Elkhart Lake when interface is assigned to the host
> processor.
Reviewed-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
> Signed-off-by: Jarkko Nikula <jarkko.nikula@xxxxxxxxxxxxxxx>
> ---
> drivers/i2c/busses/i2c-designware-pcidrv.c | 18 ++++++++++++++++++
> 1 file changed, 18 insertions(+)
>
> diff --git a/drivers/i2c/busses/i2c-designware-pcidrv.c b/drivers/i2c/busses/i2c-designware-pcidrv.c
> index 249ee3ee2a09..050adda7c1bd 100644
> --- a/drivers/i2c/busses/i2c-designware-pcidrv.c
> +++ b/drivers/i2c/busses/i2c-designware-pcidrv.c
> @@ -33,6 +33,7 @@ enum dw_pci_ctl_id_t {
> baytrail,
> cherrytrail,
> haswell,
> + elkhartlake,
> };
>
> struct dw_scl_sda_cfg {
> @@ -168,6 +169,14 @@ static struct dw_pci_controller dw_pci_controllers[] = {
> .flags = MODEL_CHERRYTRAIL,
> .scl_sda_cfg = &byt_config,
> },
> + [elkhartlake] = {
> + .bus_num = -1,
> + .bus_cfg = INTEL_MID_STD_CFG | DW_IC_CON_SPEED_FAST,
> + .tx_fifo_depth = 32,
> + .rx_fifo_depth = 32,
> + .functionality = I2C_FUNC_10BIT_ADDR,
> + .clk_khz = 100000,
> + },
> };
>
> #ifdef CONFIG_PM
> @@ -340,6 +349,15 @@ static const struct pci_device_id i2_designware_pci_ids[] = {
> { PCI_VDEVICE(INTEL, 0x22C5), cherrytrail },
> { PCI_VDEVICE(INTEL, 0x22C6), cherrytrail },
> { PCI_VDEVICE(INTEL, 0x22C7), cherrytrail },
> + /* Elkhart Lake (PSE I2C) */
> + { PCI_VDEVICE(INTEL, 0x4bb9), elkhartlake },
> + { PCI_VDEVICE(INTEL, 0x4bba), elkhartlake },
> + { PCI_VDEVICE(INTEL, 0x4bbb), elkhartlake },
> + { PCI_VDEVICE(INTEL, 0x4bbc), elkhartlake },
> + { PCI_VDEVICE(INTEL, 0x4bbd), elkhartlake },
> + { PCI_VDEVICE(INTEL, 0x4bbe), elkhartlake },
> + { PCI_VDEVICE(INTEL, 0x4bbf), elkhartlake },
> + { PCI_VDEVICE(INTEL, 0x4bc0), elkhartlake },
> { 0,}
> };
> MODULE_DEVICE_TABLE(pci, i2_designware_pci_ids);
> --
> 2.23.0.rc1
>
--
With Best Regards,
Andy Shevchenko
