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phy: mvebu-cp110-comphy: explicitly set the pipe selector 

The pipe selector is used to select some modes (such as USB or PCIe).
Otherwise it must be set to 0 (or "unconnected"). This patch does this
to ensure it is not set to an incompatible value when using the
supported modes (SGMII, 10GKR).

Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
This commit is contained in:
Antoine Tenart 2017-09-18 10:04:22 +02:00 committed by Kishon Vijay Abraham I
parent caef3e0b65
commit 17fb745d4a
1 changed files with 10 additions and 0 deletions
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10
drivers/phy/marvell/phy-mvebu-cp110-comphy.c
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@ -111,6 +111,8 @@
#define MVEBU_COMPHY_CONF6_40B BIT(18) #define MVEBU_COMPHY_CONF6_40B BIT(18)
#define MVEBU_COMPHY_SELECTOR 0x1140 #define MVEBU_COMPHY_SELECTOR 0x1140
#define MVEBU_COMPHY_SELECTOR_PHY(n) ((n) * 0x4) #define MVEBU_COMPHY_SELECTOR_PHY(n) ((n) * 0x4)
#define MVEBU_COMPHY_PIPE_SELECTOR 0x1144
#define MVEBU_COMPHY_PIPE_SELECTOR_PIPE(n) ((n) * 0x4)
#define MVEBU_COMPHY_LANES 6 #define MVEBU_COMPHY_LANES 6
#define MVEBU_COMPHY_PORTS 3 #define MVEBU_COMPHY_PORTS 3
@ -475,6 +477,10 @@ static int mvebu_comphy_power_on(struct phy *phy)
if (mux < 0) if (mux < 0)
return -ENOTSUPP; return -ENOTSUPP;
regmap_read(priv->regmap, MVEBU_COMPHY_PIPE_SELECTOR, &val);
val &= ~(0xf << MVEBU_COMPHY_PIPE_SELECTOR_PIPE(lane->id));
regmap_write(priv->regmap, MVEBU_COMPHY_PIPE_SELECTOR, val);
regmap_read(priv->regmap, MVEBU_COMPHY_SELECTOR, &val); regmap_read(priv->regmap, MVEBU_COMPHY_SELECTOR, &val);
val &= ~(0xf << MVEBU_COMPHY_SELECTOR_PHY(lane->id)); val &= ~(0xf << MVEBU_COMPHY_SELECTOR_PHY(lane->id));
val |= mux << MVEBU_COMPHY_SELECTOR_PHY(lane->id); val |= mux << MVEBU_COMPHY_SELECTOR_PHY(lane->id);
@ -526,6 +532,10 @@ static int mvebu_comphy_power_off(struct phy *phy)
val &= ~(0xf << MVEBU_COMPHY_SELECTOR_PHY(lane->id)); val &= ~(0xf << MVEBU_COMPHY_SELECTOR_PHY(lane->id));
regmap_write(priv->regmap, MVEBU_COMPHY_SELECTOR, val); regmap_write(priv->regmap, MVEBU_COMPHY_SELECTOR, val);
regmap_read(priv->regmap, MVEBU_COMPHY_PIPE_SELECTOR, &val);
val &= ~(0xf << MVEBU_COMPHY_PIPE_SELECTOR_PIPE(lane->id));
regmap_write(priv->regmap, MVEBU_COMPHY_PIPE_SELECTOR, val);
return 0; return 0;
} }