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authorGabor Juhos <juhosg@openwrt.org>2013-03-15 15:50:08 +0000
committerGabor Juhos <juhosg@openwrt.org>2013-03-15 15:50:08 +0000
commit7ba6a8d8e8b8b6637209e488978895f49536ffb4 (patch)
tree52a31a992d2e46e6947b4ea8bf5f182e3656138a /target/linux/generic
parentee12b1b7d5e7038950f3f3aa9db210ef06d99a5b (diff)
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generic: ar8216: add OF configuration support for AR8327
Signed-off-by: Gabor Juhos <juhosg@openwrt.org> SVN-Revision: 36047
Diffstat (limited to 'target/linux/generic')
-rw-r--r--target/linux/generic/files/drivers/net/phy/ar8216.c53
1 files changed, 52 insertions, 1 deletions
diff --git a/target/linux/generic/files/drivers/net/phy/ar8216.c b/target/linux/generic/files/drivers/net/phy/ar8216.c
index d4ef7bd195..9889698b07 100644
--- a/target/linux/generic/files/drivers/net/phy/ar8216.c
+++ b/target/linux/generic/files/drivers/net/phy/ar8216.c
@@ -33,6 +33,8 @@
#include <linux/lockdep.h>
#include <linux/ar8216_platform.h>
#include <linux/workqueue.h>
+#include <linux/of_device.h>
+
#include "ar8216.h"
/* size of the vlan table */
@@ -1086,6 +1088,50 @@ ar8327_hw_config_pdata(struct ar8xxx_priv *priv,
return 0;
}
+#ifdef CONFIG_OF
+static int
+ar8327_hw_config_of(struct ar8xxx_priv *priv, struct device_node *np)
+{
+ const __be32 *paddr;
+ int len;
+ int i;
+
+ paddr = of_get_property(np, "qca,ar8327-initvals", &len);
+ if (!paddr || len < (2 * sizeof(*paddr)))
+ return -EINVAL;
+
+ len /= sizeof(*paddr);
+
+ for (i = 0; i < len - 1; i += 2) {
+ u32 reg;
+ u32 val;
+
+ reg = be32_to_cpup(paddr + i);
+ val = be32_to_cpup(paddr + i + 1);
+
+ switch (reg) {
+ case AR8327_REG_PORT_STATUS(0):
+ priv->chip_data.ar8327.port0_status = val;
+ break;
+ case AR8327_REG_PORT_STATUS(6):
+ priv->chip_data.ar8327.port6_status = val;
+ break;
+ default:
+ priv->write(priv, reg, val);
+ break;
+ }
+ }
+
+ return 0;
+}
+#else
+static inline int
+ar8327_hw_config_of(struct ar8xxx_priv *priv, struct device_node *np)
+{
+ return -EINVAL;
+}
+#endif
+
static int
ar8327_hw_init(struct ar8xxx_priv *priv)
{
@@ -1093,7 +1139,12 @@ ar8327_hw_init(struct ar8xxx_priv *priv)
int ret;
int i;
- ret = ar8327_hw_config_pdata(priv, priv->phy->dev.platform_data);
+ if (priv->phy->dev.of_node)
+ ret = ar8327_hw_config_of(priv, priv->phy->dev.of_node);
+ else
+ ret = ar8327_hw_config_pdata(priv,
+ priv->phy->dev.platform_data);
+
if (ret)
return ret;