generic: ar8216: allow to specify SGMII config via platform data

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

SVN-Revision: 36798

target/linux/generic/files/drivers/net/phy/ar8216.c

@@ -1099,13 +1099,32 @@ ar8327_hw_config_pdata(struct ar8xxx_priv *priv,
 		priv->write(priv, AR8327_REG_LED_CTRL1, led_cfg->led_ctrl1);
 		priv->write(priv, AR8327_REG_LED_CTRL2, led_cfg->led_ctrl2);
 		priv->write(priv, AR8327_REG_LED_CTRL3, led_cfg->led_ctrl3);
+
+		if (new_pos != pos)
+			new_pos |= AR8327_POWER_ON_STRIP_POWER_ON_SEL;
 	}
 
-	if (new_pos != pos) {
-		new_pos |= AR8327_POWER_ON_STRIP_POWER_ON_SEL;
-		priv->write(priv, AR8327_REG_POWER_ON_STRIP, new_pos);
+	if (pdata->sgmii_cfg) {
+		t = pdata->sgmii_cfg->sgmii_ctrl;
+		if (priv->chip_rev == 1)
+			t |= AR8327_SGMII_CTRL_EN_PLL |
+			     AR8327_SGMII_CTRL_EN_RX |
+			     AR8327_SGMII_CTRL_EN_TX;
+		else
+			t &= ~(AR8327_SGMII_CTRL_EN_PLL |
+			       AR8327_SGMII_CTRL_EN_RX |
+			       AR8327_SGMII_CTRL_EN_TX);
+
+		priv->write(priv, AR8327_REG_SGMII_CTRL, t);
+
+		if (pdata->sgmii_cfg->serdes_aen)
+			new_pos &= ~AR8327_POWER_ON_STRIP_SERDES_AEN;
+		else
+			new_pos |= AR8327_POWER_ON_STRIP_SERDES_AEN;
 	}
 
+	priv->write(priv, AR8327_REG_POWER_ON_STRIP, new_pos);
+
 	return 0;
 }
 

target/linux/generic/files/drivers/net/phy/ar8216.h

@@ -327,6 +327,7 @@
 #define AR8327_REG_POWER_ON_STRIP		0x010
 #define   AR8327_POWER_ON_STRIP_POWER_ON_SEL	BIT(31)
 #define   AR8327_POWER_ON_STRIP_LED_OPEN_EN	BIT(24)
+#define   AR8327_POWER_ON_STRIP_SERDES_AEN	BIT(7)
 
 #define AR8327_REG_INT_STATUS0			0x020
 #define   AR8327_INT0_VT_DONE			BIT(20)
@@ -357,6 +358,11 @@
 #define AR8327_REG_HEADER_CTRL			0x098
 #define AR8327_REG_PORT_HEADER(_i)		(0x09c + (_i) * 4)
 
+#define AR8327_REG_SGMII_CTRL			0x0e0
+#define   AR8327_SGMII_CTRL_EN_PLL		BIT(1)
+#define   AR8327_SGMII_CTRL_EN_RX		BIT(2)
+#define   AR8327_SGMII_CTRL_EN_TX		BIT(3)
+
 #define AR8327_REG_PORT_VLAN0(_i)		(0x420 + (_i) * 0x8)
 #define   AR8327_PORT_VLAN0_DEF_SVID		BITS(0, 12)
 #define   AR8327_PORT_VLAN0_DEF_SVID_S		0

target/linux/generic/files/include/linux/ar8216_platform.h

@@ -63,6 +63,11 @@ struct ar8327_port_cfg {
 	int duplex:1;
 };
 
+struct ar8327_sgmii_cfg {
+	u32 sgmii_ctrl;
+	bool serdes_aen;
+};
+
 struct ar8327_led_cfg {
 	u32 led_ctrl0;
 	u32 led_ctrl1;
@@ -75,6 +80,7 @@ struct ar8327_platform_data {
 	struct ar8327_pad_cfg *pad0_cfg;
 	struct ar8327_pad_cfg *pad5_cfg;
 	struct ar8327_pad_cfg *pad6_cfg;
+	struct ar8327_sgmii_cfg *sgmii_cfg;
 	struct ar8327_port_cfg port0_cfg;
 	struct ar8327_port_cfg port6_cfg;
 	struct ar8327_led_cfg *led_cfg;