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authorJaedon Shin <jaedon.shin@gmail.com>2015-11-26 02:56:34 (GMT)
committerKishon Vijay Abraham I <kishon@ti.com>2015-12-20 11:58:33 (GMT)
commit810c6f169fd1d8a37df884c0942727863f00319a (patch)
treeb34e39c3b5408ca751f518468da6f0a9a141296c /drivers/phy/phy-brcmstb-sata.c
parent1dc3a8582c3b99bd88b47f7aafd07ceb934024dc (diff)
downloadlinux-810c6f169fd1d8a37df884c0942727863f00319a.tar.xz
phy: phy_brcmstb_sata: add data for phy version
Add data for phy version, and the default value of version is using the BRCM_SATA_PHY_28NM. Signed-off-by: Jaedon Shin <jaedon.shin@gmail.com> Tested-by: Florian Fainelli <f.fainelli@gmail.com> Acked-by: Brian Norris <computersforpeace@gmail.com> Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Diffstat (limited to 'drivers/phy/phy-brcmstb-sata.c')
-rw-r--r--drivers/phy/phy-brcmstb-sata.c23
1 files changed, 20 insertions, 3 deletions
diff --git a/drivers/phy/phy-brcmstb-sata.c b/drivers/phy/phy-brcmstb-sata.c
index ddb9b9e..555fb2d 100644
--- a/drivers/phy/phy-brcmstb-sata.c
+++ b/drivers/phy/phy-brcmstb-sata.c
@@ -30,7 +30,11 @@
#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
+
+enum brcm_sata_phy_version {
+ BRCM_SATA_PHY_28NM,
+};
struct brcm_sata_port {
int portnum;
@@ -42,6 +46,7 @@ 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];
};
@@ -64,8 +69,12 @@ 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;
- return priv->phy_base + (port->portnum * SATA_MDIO_REG_SPACE_SIZE);
+ if (priv->version == BRCM_SATA_PHY_28NM)
+ offset = SATA_MDIO_REG_28NM_SPACE_SIZE;
+
+ return priv->phy_base + (port->portnum * offset);
}
static void brcm_sata_mdio_wr(void __iomem *addr, u32 bank, u32 ofs,
@@ -126,7 +135,8 @@ static const struct phy_ops phy_ops_28nm = {
};
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 },
{},
};
MODULE_DEVICE_TABLE(of, brcm_sata_phy_of_match);
@@ -135,6 +145,7 @@ 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;
@@ -154,6 +165,12 @@ 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;