diff options
| author | Tom Rini <[email protected]> | 2025-08-20 11:07:22 -0600 |
|---|---|---|
| committer | Tom Rini <[email protected]> | 2025-08-20 11:37:59 -0600 |
| commit | 0572f7cad13e96bc239166121ecec1ebcf85a8e2 (patch) | |
| tree | d07ed8a4fb4aec173f559feeedebd508543e636f /drivers | |
| parent | 1ad89bfe1a8d67adc987ffc916fbdcad6192fb4a (diff) | |
| parent | 841d3d06ce2c1fb9d7a785bd7df5a1b6b70003bb (diff) | |
Merge patch series "Add support for Ethernet boot"
Chintan Vankar <[email protected]> says:
This series adds bind method for CPSW to avoid explicit probing, removes
explicit probing of CPSW, adds support for Ethernet boot on SK-AM68,
SK-AM62P-LP, J722S, SK-AM69.
Link: https://lore.kernel.org/r/[email protected]
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ti/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/net/ti/am65-cpsw-nuss.c | 40 |
2 files changed, 34 insertions, 7 deletions
diff --git a/drivers/net/ti/Kconfig b/drivers/net/ti/Kconfig index 52267339de0..93c3a0c35f2 100644 --- a/drivers/net/ti/Kconfig +++ b/drivers/net/ti/Kconfig @@ -49,6 +49,7 @@ config TI_AM65_CPSW_NUSS imply MISC imply SYSCON imply MDIO_TI_CPSW + imply SPL_SYSCON select PHYLIB help This driver supports TI K3 MCU CPSW Nuss Ethernet controller diff --git a/drivers/net/ti/am65-cpsw-nuss.c b/drivers/net/ti/am65-cpsw-nuss.c index 723dde284fb..2aa7e5e3a30 100644 --- a/drivers/net/ti/am65-cpsw-nuss.c +++ b/drivers/net/ti/am65-cpsw-nuss.c @@ -705,7 +705,6 @@ static int am65_cpsw_probe_nuss(struct udevice *dev) struct am65_cpsw_common *cpsw_common = dev_get_priv(dev); ofnode ports_np, node; int ret, i; - struct udevice *port_dev; cpsw_common->dev = dev; cpsw_common->ss_base = dev_read_addr(dev); @@ -732,6 +731,7 @@ static int am65_cpsw_probe_nuss(struct udevice *dev) ports_np = dev_read_subnode(dev, "ethernet-ports"); if (!ofnode_valid(ports_np)) { ret = -ENOENT; + dev_err(dev, "Invalid device tree node %d\n", ret); goto out; } @@ -763,12 +763,6 @@ static int am65_cpsw_probe_nuss(struct udevice *dev) continue; cpsw_common->ports[port_id].disabled = disabled; - if (disabled) - continue; - - ret = device_bind_driver_to_node(dev, "am65_cpsw_nuss_port", ofnode_get_name(node), node, &port_dev); - if (ret) - dev_err(dev, "Failed to bind to %s node\n", ofnode_get_name(node)); } for (i = 0; i < AM65_CPSW_CPSWNU_MAX_PORTS; i++) { @@ -798,6 +792,37 @@ out: return ret; } +static int am65_cpsw_nuss_bind(struct udevice *dev) +{ + struct uclass_driver *drv; + struct udevice *port_dev; + ofnode ports_np, node; + int ret; + + drv = lists_uclass_lookup(UCLASS_ETH); + if (!drv) { + puts("Cannot find eth driver"); + return -ENOENT; + } + + ports_np = dev_read_subnode(dev, "ethernet-ports"); + if (!ofnode_valid(ports_np)) + return -ENOENT; + + ofnode_for_each_subnode(node, ports_np) { + const char *node_name; + + node_name = ofnode_get_name(node); + + ret = device_bind_driver_to_node(dev, "am65_cpsw_nuss_port", node_name, node, + &port_dev); + if (ret) + dev_err(dev, "Failed to bind to %s node\n", node_name); + } + + return ret; +} + static const struct udevice_id am65_cpsw_nuss_ids[] = { { .compatible = "ti,am654-cpsw-nuss" }, { .compatible = "ti,j721e-cpsw-nuss" }, @@ -809,6 +834,7 @@ U_BOOT_DRIVER(am65_cpsw_nuss) = { .name = "am65_cpsw_nuss", .id = UCLASS_MISC, .of_match = am65_cpsw_nuss_ids, + .bind = am65_cpsw_nuss_bind, .probe = am65_cpsw_probe_nuss, .priv_auto = sizeof(struct am65_cpsw_common), }; |