net: designware: Add reset ctrl to driver
Add code to reset all reset signals as in Ethernet DT node. A reset
property is an optional feature, so only print out a warning and do not
fail if a reset property is not present.
If a reset property is discovered, then use it to deassert, thus
bringing the IP out of reset.
Signed-off-by: Ley Foon Tan <ley.foon.tan@intel.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
diff --git a/drivers/net/designware.c b/drivers/net/designware.c
index 10a8709..19db0a8 100644
--- a/drivers/net/designware.c
+++ b/drivers/net/designware.c
@@ -15,6 +15,7 @@
#include <miiphy.h>
#include <malloc.h>
#include <pci.h>
+#include <reset.h>
#include <linux/compiler.h>
#include <linux/err.h>
#include <linux/kernel.h>
@@ -673,6 +674,7 @@
u32 iobase = pdata->iobase;
ulong ioaddr;
int ret;
+ struct reset_ctl_bulk reset_bulk;
#ifdef CONFIG_CLK
int i, err, clock_nb;
@@ -719,6 +721,12 @@
}
#endif
+ ret = reset_get_bulk(dev, &reset_bulk);
+ if (ret)
+ dev_warn(dev, "Can't get reset: %d\n", ret);
+ else
+ reset_deassert_bulk(&reset_bulk);
+
#ifdef CONFIG_DM_PCI
/*
* If we are on PCI bus, either directly attached to a PCI root port,