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path: root/drivers/phy/marvell/phy-mvebu-cp110-comphy.c
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Diffstat (limited to 'drivers/phy/marvell/phy-mvebu-cp110-comphy.c')
-rw-r--r--drivers/phy/marvell/phy-mvebu-cp110-comphy.c97
1 files changed, 55 insertions, 42 deletions
diff --git a/drivers/phy/marvell/phy-mvebu-cp110-comphy.c b/drivers/phy/marvell/phy-mvebu-cp110-comphy.c
index 86a5f7b9448b..187cccde53b5 100644
--- a/drivers/phy/marvell/phy-mvebu-cp110-comphy.c
+++ b/drivers/phy/marvell/phy-mvebu-cp110-comphy.c
@@ -9,6 +9,7 @@
#include <linux/iopoll.h>
#include <linux/mfd/syscon.h>
#include <linux/module.h>
+#include <linux/phy.h>
#include <linux/phy/phy.h>
#include <linux/platform_device.h>
#include <linux/regmap.h>
@@ -114,43 +115,45 @@
#define MVEBU_COMPHY_LANES 6
#define MVEBU_COMPHY_PORTS 3
-struct mvebu_comhy_conf {
+struct mvebu_comphy_conf {
enum phy_mode mode;
+ int submode;
unsigned lane;
unsigned port;
u32 mux;
};
-#define MVEBU_COMPHY_CONF(_lane, _port, _mode, _mux) \
+#define MVEBU_COMPHY_CONF(_lane, _port, _submode, _mux) \
{ \
.lane = _lane, \
.port = _port, \
- .mode = _mode, \
+ .mode = PHY_MODE_ETHERNET, \
+ .submode = _submode, \
.mux = _mux, \
}
-static const struct mvebu_comhy_conf mvebu_comphy_cp110_modes[] = {
+static const struct mvebu_comphy_conf mvebu_comphy_cp110_modes[] = {
/* lane 0 */
- MVEBU_COMPHY_CONF(0, 1, PHY_MODE_SGMII, 0x1),
- MVEBU_COMPHY_CONF(0, 1, PHY_MODE_2500SGMII, 0x1),
+ MVEBU_COMPHY_CONF(0, 1, PHY_INTERFACE_MODE_SGMII, 0x1),
+ MVEBU_COMPHY_CONF(0, 1, PHY_INTERFACE_MODE_2500BASEX, 0x1),
/* lane 1 */
- MVEBU_COMPHY_CONF(1, 2, PHY_MODE_SGMII, 0x1),
- MVEBU_COMPHY_CONF(1, 2, PHY_MODE_2500SGMII, 0x1),
+ MVEBU_COMPHY_CONF(1, 2, PHY_INTERFACE_MODE_SGMII, 0x1),
+ MVEBU_COMPHY_CONF(1, 2, PHY_INTERFACE_MODE_2500BASEX, 0x1),
/* lane 2 */
- MVEBU_COMPHY_CONF(2, 0, PHY_MODE_SGMII, 0x1),
- MVEBU_COMPHY_CONF(2, 0, PHY_MODE_2500SGMII, 0x1),
- MVEBU_COMPHY_CONF(2, 0, PHY_MODE_10GKR, 0x1),
+ MVEBU_COMPHY_CONF(2, 0, PHY_INTERFACE_MODE_SGMII, 0x1),
+ MVEBU_COMPHY_CONF(2, 0, PHY_INTERFACE_MODE_2500BASEX, 0x1),
+ MVEBU_COMPHY_CONF(2, 0, PHY_INTERFACE_MODE_10GKR, 0x1),
/* lane 3 */
- MVEBU_COMPHY_CONF(3, 1, PHY_MODE_SGMII, 0x2),
- MVEBU_COMPHY_CONF(3, 1, PHY_MODE_2500SGMII, 0x2),
+ MVEBU_COMPHY_CONF(3, 1, PHY_INTERFACE_MODE_SGMII, 0x2),
+ MVEBU_COMPHY_CONF(3, 1, PHY_INTERFACE_MODE_2500BASEX, 0x2),
/* lane 4 */
- MVEBU_COMPHY_CONF(4, 0, PHY_MODE_SGMII, 0x2),
- MVEBU_COMPHY_CONF(4, 0, PHY_MODE_2500SGMII, 0x2),
- MVEBU_COMPHY_CONF(4, 0, PHY_MODE_10GKR, 0x2),
- MVEBU_COMPHY_CONF(4, 1, PHY_MODE_SGMII, 0x1),
+ MVEBU_COMPHY_CONF(4, 0, PHY_INTERFACE_MODE_SGMII, 0x2),
+ MVEBU_COMPHY_CONF(4, 0, PHY_INTERFACE_MODE_2500BASEX, 0x2),
+ MVEBU_COMPHY_CONF(4, 0, PHY_INTERFACE_MODE_10GKR, 0x2),
+ MVEBU_COMPHY_CONF(4, 1, PHY_INTERFACE_MODE_SGMII, 0x1),
/* lane 5 */
- MVEBU_COMPHY_CONF(5, 2, PHY_MODE_SGMII, 0x1),
- MVEBU_COMPHY_CONF(5, 2, PHY_MODE_2500SGMII, 0x1),
+ MVEBU_COMPHY_CONF(5, 2, PHY_INTERFACE_MODE_SGMII, 0x1),
+ MVEBU_COMPHY_CONF(5, 2, PHY_INTERFACE_MODE_2500BASEX, 0x1),
};
struct mvebu_comphy_priv {
@@ -163,10 +166,12 @@ struct mvebu_comphy_lane {
struct mvebu_comphy_priv *priv;
unsigned id;
enum phy_mode mode;
+ int submode;
int port;
};
-static int mvebu_comphy_get_mux(int lane, int port, enum phy_mode mode)
+static int mvebu_comphy_get_mux(int lane, int port,
+ enum phy_mode mode, int submode)
{
int i, n = ARRAY_SIZE(mvebu_comphy_cp110_modes);
@@ -177,7 +182,8 @@ static int mvebu_comphy_get_mux(int lane, int port, enum phy_mode mode)
for (i = 0; i < n; i++) {
if (mvebu_comphy_cp110_modes[i].lane == lane &&
mvebu_comphy_cp110_modes[i].port == port &&
- mvebu_comphy_cp110_modes[i].mode == mode)
+ mvebu_comphy_cp110_modes[i].mode == mode &&
+ mvebu_comphy_cp110_modes[i].submode == submode)
break;
}
@@ -187,8 +193,7 @@ static int mvebu_comphy_get_mux(int lane, int port, enum phy_mode mode)
return mvebu_comphy_cp110_modes[i].mux;
}
-static void mvebu_comphy_ethernet_init_reset(struct mvebu_comphy_lane *lane,
- enum phy_mode mode)
+static void mvebu_comphy_ethernet_init_reset(struct mvebu_comphy_lane *lane)
{
struct mvebu_comphy_priv *priv = lane->priv;
u32 val;
@@ -206,14 +211,14 @@ static void mvebu_comphy_ethernet_init_reset(struct mvebu_comphy_lane *lane,
MVEBU_COMPHY_SERDES_CFG0_HALF_BUS |
MVEBU_COMPHY_SERDES_CFG0_GEN_RX(0xf) |
MVEBU_COMPHY_SERDES_CFG0_GEN_TX(0xf));
- if (mode == PHY_MODE_10GKR)
+ if (lane->submode == PHY_INTERFACE_MODE_10GKR)
val |= MVEBU_COMPHY_SERDES_CFG0_GEN_RX(0xe) |
MVEBU_COMPHY_SERDES_CFG0_GEN_TX(0xe);
- else if (mode == PHY_MODE_2500SGMII)
+ else if (lane->submode == PHY_INTERFACE_MODE_2500BASEX)
val |= MVEBU_COMPHY_SERDES_CFG0_GEN_RX(0x8) |
MVEBU_COMPHY_SERDES_CFG0_GEN_TX(0x8) |
MVEBU_COMPHY_SERDES_CFG0_HALF_BUS;
- else if (mode == PHY_MODE_SGMII)
+ else if (lane->submode == PHY_INTERFACE_MODE_SGMII)
val |= MVEBU_COMPHY_SERDES_CFG0_GEN_RX(0x6) |
MVEBU_COMPHY_SERDES_CFG0_GEN_TX(0x6) |
MVEBU_COMPHY_SERDES_CFG0_HALF_BUS;
@@ -243,7 +248,7 @@ static void mvebu_comphy_ethernet_init_reset(struct mvebu_comphy_lane *lane,
/* refclk selection */
val = readl(priv->base + MVEBU_COMPHY_MISC_CTRL0(lane->id));
val &= ~MVEBU_COMPHY_MISC_CTRL0_REFCLK_SEL;
- if (mode == PHY_MODE_10GKR)
+ if (lane->submode == PHY_INTERFACE_MODE_10GKR)
val |= MVEBU_COMPHY_MISC_CTRL0_ICP_FORCE;
writel(val, priv->base + MVEBU_COMPHY_MISC_CTRL0(lane->id));
@@ -261,8 +266,7 @@ static void mvebu_comphy_ethernet_init_reset(struct mvebu_comphy_lane *lane,
writel(val, priv->base + MVEBU_COMPHY_LOOPBACK(lane->id));
}
-static int mvebu_comphy_init_plls(struct mvebu_comphy_lane *lane,
- enum phy_mode mode)
+static int mvebu_comphy_init_plls(struct mvebu_comphy_lane *lane)
{
struct mvebu_comphy_priv *priv = lane->priv;
u32 val;
@@ -303,13 +307,13 @@ static int mvebu_comphy_init_plls(struct mvebu_comphy_lane *lane,
return 0;
}
-static int mvebu_comphy_set_mode_sgmii(struct phy *phy, enum phy_mode mode)
+static int mvebu_comphy_set_mode_sgmii(struct phy *phy)
{
struct mvebu_comphy_lane *lane = phy_get_drvdata(phy);
struct mvebu_comphy_priv *priv = lane->priv;
u32 val;
- mvebu_comphy_ethernet_init_reset(lane, mode);
+ mvebu_comphy_ethernet_init_reset(lane);
val = readl(priv->base + MVEBU_COMPHY_RX_CTRL1(lane->id));
val &= ~MVEBU_COMPHY_RX_CTRL1_CLK8T_EN;
@@ -330,7 +334,7 @@ static int mvebu_comphy_set_mode_sgmii(struct phy *phy, enum phy_mode mode)
val |= MVEBU_COMPHY_GEN1_S0_TX_EMPH(0x1);
writel(val, priv->base + MVEBU_COMPHY_GEN1_S0(lane->id));
- return mvebu_comphy_init_plls(lane, PHY_MODE_SGMII);
+ return mvebu_comphy_init_plls(lane);
}
static int mvebu_comphy_set_mode_10gkr(struct phy *phy)
@@ -339,7 +343,7 @@ static int mvebu_comphy_set_mode_10gkr(struct phy *phy)
struct mvebu_comphy_priv *priv = lane->priv;
u32 val;
- mvebu_comphy_ethernet_init_reset(lane, PHY_MODE_10GKR);
+ mvebu_comphy_ethernet_init_reset(lane);
val = readl(priv->base + MVEBU_COMPHY_RX_CTRL1(lane->id));
val |= MVEBU_COMPHY_RX_CTRL1_RXCLK2X_SEL |
@@ -469,7 +473,7 @@ static int mvebu_comphy_set_mode_10gkr(struct phy *phy)
val |= MVEBU_COMPHY_EXT_SELV_RX_SAMPL(0x1a);
writel(val, priv->base + MVEBU_COMPHY_EXT_SELV(lane->id));
- return mvebu_comphy_init_plls(lane, PHY_MODE_10GKR);
+ return mvebu_comphy_init_plls(lane);
}
static int mvebu_comphy_power_on(struct phy *phy)
@@ -479,7 +483,8 @@ static int mvebu_comphy_power_on(struct phy *phy)
int ret, mux;
u32 val;
- mux = mvebu_comphy_get_mux(lane->id, lane->port, lane->mode);
+ mux = mvebu_comphy_get_mux(lane->id, lane->port,
+ lane->mode, lane->submode);
if (mux < 0)
return -ENOTSUPP;
@@ -492,12 +497,12 @@ static int mvebu_comphy_power_on(struct phy *phy)
val |= mux << MVEBU_COMPHY_SELECTOR_PHY(lane->id);
regmap_write(priv->regmap, MVEBU_COMPHY_SELECTOR, val);
- switch (lane->mode) {
- case PHY_MODE_SGMII:
- case PHY_MODE_2500SGMII:
- ret = mvebu_comphy_set_mode_sgmii(phy, lane->mode);
+ switch (lane->submode) {
+ case PHY_INTERFACE_MODE_SGMII:
+ case PHY_INTERFACE_MODE_2500BASEX:
+ ret = mvebu_comphy_set_mode_sgmii(phy);
break;
- case PHY_MODE_10GKR:
+ case PHY_INTERFACE_MODE_10GKR:
ret = mvebu_comphy_set_mode_10gkr(phy);
break;
default:
@@ -512,14 +517,22 @@ static int mvebu_comphy_power_on(struct phy *phy)
return ret;
}
-static int mvebu_comphy_set_mode(struct phy *phy, enum phy_mode mode)
+static int mvebu_comphy_set_mode(struct phy *phy,
+ enum phy_mode mode, int submode)
{
struct mvebu_comphy_lane *lane = phy_get_drvdata(phy);
- if (mvebu_comphy_get_mux(lane->id, lane->port, mode) < 0)
+ if (mode != PHY_MODE_ETHERNET)
+ return -EINVAL;
+
+ if (submode == PHY_INTERFACE_MODE_1000BASEX)
+ submode = PHY_INTERFACE_MODE_SGMII;
+
+ if (mvebu_comphy_get_mux(lane->id, lane->port, mode, submode) < 0)
return -EINVAL;
lane->mode = mode;
+ lane->submode = submode;
return 0;
}
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-24 09:05:08 +0300