net: macb: add support for sama7g5 gmac
Add support for SAMA7G5 GMAC.
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
diff --git a/drivers/net/macb.c b/drivers/net/macb.c
index 80ed58d..e87ffd9 100644
--- a/drivers/net/macb.c
+++ b/drivers/net/macb.c
@@ -595,6 +595,23 @@
return 0;
}
+static int macb_sama7g5_clk_init(struct udevice *dev, ulong rate)
+{
+ struct clk clk;
+ int ret;
+
+ ret = clk_get_by_name(dev, "tx_clk", &clk);
+ if (ret)
+ return ret;
+
+ /*
+ * This is for using GCK. Clock rate is addressed via assigned-clock
+ * property, so only clock enable is needed here. The switching to
+ * proper clock rate depending on link speed is managed by IP logic.
+ */
+ return clk_enable(&clk);
+}
+
int __weak macb_linkspd_cb(struct udevice *dev, unsigned int speed)
{
#ifdef CONFIG_CLK
@@ -1430,6 +1447,13 @@
return macb_late_eth_of_to_plat(dev);
}
+static const struct macb_usrio_cfg sama7g5_usrio = {
+ .mii = 0,
+ .rmii = 1,
+ .rgmii = 2,
+ .clken = BIT(2),
+};
+
static const struct macb_config microchip_config = {
.dma_burst_length = 16,
.hw_dma_cap = HW_DMA_CAP_64B,
@@ -1451,10 +1475,19 @@
.usrio = &macb_default_usrio,
};
+static const struct macb_config sama7g5_gmac_config = {
+ .dma_burst_length = 16,
+ .hw_dma_cap = HW_DMA_CAP_32B,
+ .clk_init = macb_sama7g5_clk_init,
+ .usrio = &sama7g5_usrio,
+};
+
static const struct udevice_id macb_eth_ids[] = {
{ .compatible = "cdns,macb" },
{ .compatible = "cdns,at91sam9260-macb" },
{ .compatible = "cdns,sam9x60-macb" },
+ { .compatible = "cdns,sama7g5-gem",
+ .data = (ulong)&sama7g5_gmac_config },
{ .compatible = "atmel,sama5d2-gem" },
{ .compatible = "atmel,sama5d3-gem" },
{ .compatible = "atmel,sama5d4-gem", .data = (ulong)&sama5d4_config },