ARM: configs: rockchip: enable es8323 support

[firefly-linux-kernel-4.4.55.git] / drivers / phy / phy-berlin-sata.c

diff --git a/drivers/phy/phy-berlin-sata.c b/drivers/phy/phy-berlin-sata.c
index 69ced52d72aa7be906d92ecae3ef962c647586f2..f84a33a1bdd935c5a6c171929d172b1a1a67840c 100644 (file)
--- a/drivers/phy/phy-berlin-sata.c
+++ b/drivers/phy/phy-berlin-sata.c
@@ -30,7 +30,8 @@
 #define MBUS_WRITE_REQUEST_SIZE_128    (BIT(2) << 16)
 #define MBUS_READ_REQUEST_SIZE_128     (BIT(2) << 19)
 
-#define PHY_BASE               0x200
+#define BG2_PHY_BASE           0x080
+#define BG2Q_PHY_BASE          0x200
 
 /* register 0x01 */
 #define REF_FREF_SEL_25                BIT(0)
@@ -61,15 +62,16 @@ struct phy_berlin_priv {
        struct clk              *clk;
        struct phy_berlin_desc  **phys;
        unsigned                nphys;
+       u32                     phy_base;
 };
 
-static inline void phy_berlin_sata_reg_setbits(void __iomem *ctrl_reg, u32 reg,
-                                              u32 mask, u32 val)
+static inline void phy_berlin_sata_reg_setbits(void __iomem *ctrl_reg,
+                              u32 phy_base, u32 reg, u32 mask, u32 val)
 {
        u32 regval;
 
        /* select register */
-       writel(PHY_BASE + reg, ctrl_reg + PORT_VSR_ADDR);
+       writel(phy_base + reg, ctrl_reg + PORT_VSR_ADDR);
 
        /* set bits */
        regval = readl(ctrl_reg + PORT_VSR_DATA);
@@ -103,17 +105,20 @@ static int phy_berlin_sata_power_on(struct phy *phy)
        writel(regval, priv->base + HOST_VSA_DATA);
 
        /* set PHY mode and ref freq to 25 MHz */
-       phy_berlin_sata_reg_setbits(ctrl_reg, 0x1, 0xff,
-                                   REF_FREF_SEL_25 | PHY_MODE_SATA);
+       phy_berlin_sata_reg_setbits(ctrl_reg, priv->phy_base, 0x01,
+                                   0x00ff, REF_FREF_SEL_25 | PHY_MODE_SATA);
 
        /* set PHY up to 6 Gbps */
-       phy_berlin_sata_reg_setbits(ctrl_reg, 0x25, 0xc00, PHY_GEN_MAX_6_0);
+       phy_berlin_sata_reg_setbits(ctrl_reg, priv->phy_base, 0x25,
+                                   0x0c00, PHY_GEN_MAX_6_0);
 
        /* set 40 bits width */
-       phy_berlin_sata_reg_setbits(ctrl_reg, 0x23,  0xc00, DATA_BIT_WIDTH_40);
+       phy_berlin_sata_reg_setbits(ctrl_reg, priv->phy_base, 0x23,
+                                   0x0c00, DATA_BIT_WIDTH_40);
 
        /* use max pll rate */
-       phy_berlin_sata_reg_setbits(ctrl_reg, 0x2, 0x0, USE_MAX_PLL_RATE);
+       phy_berlin_sata_reg_setbits(ctrl_reg, priv->phy_base, 0x02,
+                                   0x0000, USE_MAX_PLL_RATE);
 
        /* set Gen3 controller speed */
        regval = readl(ctrl_reg + PORT_SCR_CTL);
@@ -171,7 +176,7 @@ static struct phy *phy_berlin_sata_phy_xlate(struct device *dev,
        return priv->phys[i]->phy;
 }
 
-static struct phy_ops phy_berlin_sata_ops = {
+static const struct phy_ops phy_berlin_sata_ops = {
        .power_on       = phy_berlin_sata_power_on,
        .power_off      = phy_berlin_sata_power_off,
        .owner          = THIS_MODULE,
@@ -190,7 +195,7 @@ static int phy_berlin_sata_probe(struct platform_device *pdev)
        struct phy_provider *phy_provider;
        struct phy_berlin_priv *priv;
        struct resource *res;
-       int i = 0;
+       int ret, i = 0;
        u32 phy_id;
 
        priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
@@ -213,11 +218,16 @@ static int phy_berlin_sata_probe(struct platform_device *pdev)
        if (priv->nphys == 0)
                return -ENODEV;
 
-       priv->phys = devm_kzalloc(dev, priv->nphys * sizeof(*priv->phys),
+       priv->phys = devm_kcalloc(dev, priv->nphys, sizeof(*priv->phys),
                                  GFP_KERNEL);
        if (!priv->phys)
                return -ENOMEM;
 
+       if (of_device_is_compatible(dev->of_node, "marvell,berlin2-sata-phy"))
+               priv->phy_base = BG2_PHY_BASE;
+       else
+               priv->phy_base = BG2Q_PHY_BASE;
+
        dev_set_drvdata(dev, priv);
        spin_lock_init(&priv->lock);
 
@@ -227,22 +237,27 @@ static int phy_berlin_sata_probe(struct platform_device *pdev)
                if (of_property_read_u32(child, "reg", &phy_id)) {
                        dev_err(dev, "missing reg property in node %s\n",
                                child->name);
-                       return -EINVAL;
+                       ret = -EINVAL;
+                       goto put_child;
                }
 
                if (phy_id >= ARRAY_SIZE(phy_berlin_power_down_bits)) {
                        dev_err(dev, "invalid reg in node %s\n", child->name);
-                       return -EINVAL;
+                       ret = -EINVAL;
+                       goto put_child;
                }
 
                phy_desc = devm_kzalloc(dev, sizeof(*phy_desc), GFP_KERNEL);
-               if (!phy_desc)
-                       return -ENOMEM;
+               if (!phy_desc) {
+                       ret = -ENOMEM;
+                       goto put_child;
+               }
 
-               phy = devm_phy_create(dev, NULL, &phy_berlin_sata_ops, NULL);
+               phy = devm_phy_create(dev, NULL, &phy_berlin_sata_ops);
                if (IS_ERR(phy)) {
                        dev_err(dev, "failed to create PHY %d\n", phy_id);
-                       return PTR_ERR(phy);
+                       ret = PTR_ERR(phy);
+                       goto put_child;
                }
 
                phy_desc->phy = phy;
@@ -258,16 +273,18 @@ static int phy_berlin_sata_probe(struct platform_device *pdev)
 
        phy_provider =
                devm_of_phy_provider_register(dev, phy_berlin_sata_phy_xlate);
-       if (IS_ERR(phy_provider))
-               return PTR_ERR(phy_provider);
-
-       return 0;
+       return PTR_ERR_OR_ZERO(phy_provider);
+put_child:
+       of_node_put(child);
+       return ret;
 }
 
 static const struct of_device_id phy_berlin_sata_of_match[] = {
+       { .compatible = "marvell,berlin2-sata-phy" },
        { .compatible = "marvell,berlin2q-sata-phy" },
        { },
 };
+MODULE_DEVICE_TABLE(of, phy_berlin_sata_of_match);
 
 static struct platform_driver phy_berlin_sata_driver = {
        .probe  = phy_berlin_sata_probe,