1 files changed, 37 insertions, 10 deletions

diff --git a/drivers/phy/phy-brcmstb-sata.c b/drivers/phy/phy-brcmstb-sata.c
index cd9dba820566..a23172ff40e3 100644
--- a/drivers/phy/phy-brcmstb-sata.c
+++ b/drivers/phy/phy-brcmstb-sata.c
@@ -26,13 +26,21 @@
 
 #define SATA_MDIO_BANK_OFFSET				0x23c
 #define SATA_MDIO_REG_OFFSET(ofs)			((ofs) * 4)
-#define SATA_MDIO_REG_SPACE_SIZE			0x1000
-#define SATA_MDIO_REG_LENGTH				0x1f00
 
 #define MAX_PORTS					2
 
 /* Register offset between PHYs in PCB space */
-#define SATA_MDIO_REG_SPACE_SIZE			0x1000
+#define SATA_MDIO_REG_28NM_SPACE_SIZE			0x1000
+
+/* The older SATA PHY registers duplicated per port registers within the map,
+ * rather than having a separate map per port.
+ */
+#define SATA_MDIO_REG_40NM_SPACE_SIZE			0x10
+
+enum brcm_sata_phy_version {
+	BRCM_SATA_PHY_28NM,
+	BRCM_SATA_PHY_40NM,
+};
 
 struct brcm_sata_port {
 	int portnum;
@@ -44,11 +52,12 @@ struct brcm_sata_port {
 struct brcm_sata_phy {
 	struct device *dev;
 	void __iomem *phy_base;
+	enum brcm_sata_phy_version version;
 
 	struct brcm_sata_port phys[MAX_PORTS];
 };
 
-enum sata_mdio_phy_regs_28nm {
+enum sata_mdio_phy_regs {
 	PLL_REG_BANK_0				= 0x50,
 	PLL_REG_BANK_0_PLLCONTROL_0		= 0x81,
 
@@ -66,8 +75,16 @@ enum sata_mdio_phy_regs_28nm {
 static inline void __iomem *brcm_sata_phy_base(struct brcm_sata_port *port)
 {
 	struct brcm_sata_phy *priv = port->phy_priv;
+	u32 offset = 0;
+
+	if (priv->version == BRCM_SATA_PHY_28NM)
+		offset = SATA_MDIO_REG_28NM_SPACE_SIZE;
+	else if (priv->version == BRCM_SATA_PHY_40NM)
+		offset = SATA_MDIO_REG_40NM_SPACE_SIZE;
+	else
+		dev_err(priv->dev, "invalid phy version\n");
 
-	return priv->phy_base + (port->portnum * SATA_MDIO_REG_SPACE_SIZE);
+	return priv->phy_base + (port->portnum * offset);
 }
 
 static void brcm_sata_mdio_wr(void __iomem *addr, u32 bank, u32 ofs,
@@ -86,7 +103,7 @@ static void brcm_sata_mdio_wr(void __iomem *addr, u32 bank, u32 ofs,
 #define FMAX_VAL_DEFAULT	0x3df
 #define FMAX_VAL_SSC		0x83
 
-static void brcm_sata_cfg_ssc_28nm(struct brcm_sata_port *port)
+static void brcm_sata_cfg_ssc(struct brcm_sata_port *port)
 {
 	void __iomem *base = brcm_sata_phy_base(port);
 	struct brcm_sata_phy *priv = port->phy_priv;
@@ -117,18 +134,21 @@ static int brcm_sata_phy_init(struct phy *phy)
 {
 	struct brcm_sata_port *port = phy_get_drvdata(phy);
 
-	brcm_sata_cfg_ssc_28nm(port);
+	brcm_sata_cfg_ssc(port);
 
 	return 0;
 }
 
-static const struct phy_ops phy_ops_28nm = {
+static const struct phy_ops phy_ops = {
 	.init		= brcm_sata_phy_init,
 	.owner		= THIS_MODULE,
 };
 
 static const struct of_device_id brcm_sata_phy_of_match[] = {
-	{ .compatible	= "brcm,bcm7445-sata-phy" },
+	{ .compatible	= "brcm,bcm7445-sata-phy",
+	  .data = (void *)BRCM_SATA_PHY_28NM },
+	{ .compatible	= "brcm,bcm7425-sata-phy",
+	  .data = (void *)BRCM_SATA_PHY_40NM },
 	{},
 };
 MODULE_DEVICE_TABLE(of, brcm_sata_phy_of_match);
@@ -137,6 +157,7 @@ static int brcm_sata_phy_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
 	struct device_node *dn = dev->of_node, *child;
+	const struct of_device_id *of_id;
 	struct brcm_sata_phy *priv;
 	struct resource *res;
 	struct phy_provider *provider;
@@ -156,6 +177,12 @@ static int brcm_sata_phy_probe(struct platform_device *pdev)
 	if (IS_ERR(priv->phy_base))
 		return PTR_ERR(priv->phy_base);
 
+	of_id = of_match_node(brcm_sata_phy_of_match, dn);
+	if (of_id)
+		priv->version = (enum brcm_sata_phy_version)of_id->data;
+	else
+		priv->version = BRCM_SATA_PHY_28NM;
+
 	for_each_available_child_of_node(dn, child) {
 		unsigned int id;
 		struct brcm_sata_port *port;
@@ -181,7 +208,7 @@ static int brcm_sata_phy_probe(struct platform_device *pdev)
 		port = &priv->phys[id];
 		port->portnum = id;
 		port->phy_priv = priv;
-		port->phy = devm_phy_create(dev, child, &phy_ops_28nm);
+		port->phy = devm_phy_create(dev, child, &phy_ops);
 		port->ssc_en = of_property_read_bool(child, "brcm,enable-ssc");
 		if (IS_ERR(port->phy)) {
 			dev_err(dev, "failed to create PHY\n");