diff options
| author | Dave Stevenson <dave.stevenson@raspberrypi.com> | 2025-09-16 11:10:59 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2025-09-17 15:09:00 -0700 |
| commit | dc110d1b23564ce448cc4c9ff2346b7e1db4dd84 (patch) | |
| tree | 4833a7de8e555079e158a814dde5299918bff21e | |
| parent | aa9f09a26bfda97bdbdbec4bce2279a41300c969 (diff) | |
net: cadence: macb: Add support for Raspberry Pi RP1 ethernet controller
The RP1 chip has the Cadence GEM block, but wants the tx_clock
to always run at 125MHz, in the same way as sama7g5.
Add the relevant configuration.
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Signed-off-by: Stanimir Varbanov <svarbanov@suse.de>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Reviewed-by: Claudiu Beznea <claudiu.beznea@tuxon.dev>
Link: https://patch.msgid.link/20250916081059.3992108-1-svarbanov@suse.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
| -rw-r--r-- | drivers/net/ethernet/cadence/macb_main.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c index a6fbab388c19..e7ee8ade7aeb 100644 --- a/drivers/net/ethernet/cadence/macb_main.c +++ b/drivers/net/ethernet/cadence/macb_main.c @@ -5373,6 +5373,17 @@ static const struct macb_config versal_config = { .usrio = &macb_default_usrio, }; +static const struct macb_config raspberrypi_rp1_config = { + .caps = MACB_CAPS_GIGABIT_MODE_AVAILABLE | MACB_CAPS_CLK_HW_CHG | + MACB_CAPS_JUMBO | + MACB_CAPS_GEM_HAS_PTP, + .dma_burst_length = 16, + .clk_init = macb_clk_init, + .init = macb_init, + .usrio = &macb_default_usrio, + .jumbo_max_len = 10240, +}; + static const struct of_device_id macb_dt_ids[] = { { .compatible = "cdns,at91sam9260-macb", .data = &at91sam9260_config }, { .compatible = "cdns,macb" }, @@ -5393,6 +5404,7 @@ static const struct of_device_id macb_dt_ids[] = { { .compatible = "microchip,mpfs-macb", .data = &mpfs_config }, { .compatible = "microchip,sama7g5-gem", .data = &sama7g5_gem_config }, { .compatible = "microchip,sama7g5-emac", .data = &sama7g5_emac_config }, + { .compatible = "raspberrypi,rp1-gem", .data = &raspberrypi_rp1_config }, { .compatible = "xlnx,zynqmp-gem", .data = &zynqmp_config}, { .compatible = "xlnx,zynq-gem", .data = &zynq_config }, { .compatible = "xlnx,versal-gem", .data = &versal_config}, |