Commit dc110d1b authored by Dave Stevenson's avatar Dave Stevenson Committed by Jakub Kicinski
Browse files

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: default avatarDave Stevenson <dave.stevenson@raspberrypi.com>
Signed-off-by: default avatarStanimir Varbanov <svarbanov@suse.de>
Reviewed-by: default avatarAndrew Lunn <andrew@lunn.ch>
Acked-by: default avatarNicolas Ferre <nicolas.ferre@microchip.com>
Reviewed-by: default avatarClaudiu Beznea <claudiu.beznea@tuxon.dev>
Link: https://patch.msgid.link/20250916081059.3992108-1-svarbanov@suse.de


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent aa9f09a2

drivers/net/ethernet/cadence/macb_main.c

+12 −0
Original line number Diff line number Diff line
@@ -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},