On Thu, Nov 19, 2020 at 03:08:50PM +0100, Grzegorz Jaszczyk wrote:
> From: Suman Anna <s-anna@xxxxxx>
>
> The K3 J721E family of SoCs have a revised version of the AM65x ICSSG IP
> and contains two instances of this newer ICSSG IP. Each ICSSG processor
> subsystem contains 2 primary PRU cores, 2 auxiliary PRU cores called RTUs,
> and 2 new auxiliary cores called Transmit PRUs (Tx_PRUs).
>
> Enhance the existing PRU remoteproc driver to support these new PRU
> and RTU cores by using specific compatibles. The cores have the same
> memory copying limitations as on AM65x, so reuses the custom memcpy
> function within the driver's ELF loader implementation. The initial
> names for the firmware images for each PRU core are retrieved from
> DT nodes, and can be adjusted through sysfs if required.
>
> Signed-off-by: Suman Anna <s-anna@xxxxxx>
> Co-developed-by: Grzegorz Jaszczyk <grzegorz.jaszczyk@xxxxxxxxxx>
> Signed-off-by: Grzegorz Jaszczyk <grzegorz.jaszczyk@xxxxxxxxxx>
Reviewed-by: Mathieu Poirier <mathieu.poirier@xxxxxxxxxx>
> ---
> drivers/remoteproc/pru_rproc.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/drivers/remoteproc/pru_rproc.c b/drivers/remoteproc/pru_rproc.c
> index 48c1c51e0d42..96f689283a8b 100644
> --- a/drivers/remoteproc/pru_rproc.c
> +++ b/drivers/remoteproc/pru_rproc.c
> @@ -852,6 +852,9 @@ static const struct of_device_id pru_rproc_match[] = {
> { .compatible = "ti,am654-pru", .data = &k3_pru_data },
> { .compatible = "ti,am654-rtu", .data = &k3_rtu_data },
> { .compatible = "ti,am654-tx-pru", .data = &k3_tx_pru_data },
> + { .compatible = "ti,j721e-pru", .data = &k3_pru_data },
> + { .compatible = "ti,j721e-rtu", .data = &k3_rtu_data },
> + { .compatible = "ti,j721e-tx-pru", .data = &k3_tx_pru_data },
> {},
> };
> MODULE_DEVICE_TABLE(of, pru_rproc_match);
> --
> 2.29.0
>
