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Date: Mon, 12 Nov 2018 16:18:02 +0530 From: Kishon Vijay Abraham I <kishon@...com> To: Grygorii Strashko <grygorii.strashko@...com>, "David S. Miller" <davem@...emloft.net>, Russell King - ARM Linux <linux@...linux.org.uk>, Antoine Tenart <antoine.tenart@...tlin.com> CC: <netdev@...r.kernel.org>, Sekhar Nori <nsekhar@...com>, <linux-kernel@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>, Tony Lindgren <tony@...mide.com>, <linux-amlogic@...ts.infradead.org>, <linux-mediatek@...ts.infradead.org>, Alexandre Belloni <alexandre.belloni@...tlin.com>, Quentin Schulz <quentin.schulz@...tlin.com>, Vivek Gautam <vivek.gautam@...eaurora.org>, Maxime Ripard <maxime.ripard@...tlin.com>, Chen-Yu Tsai <wens@...e.org>, Carlo Caione <carlo@...one.org>, Chunfeng Yun <chunfeng.yun@...iatek.com>, Matthias Brugger <matthias.bgg@...il.com>, Manu Gautam <mgautam@...eaurora.org> Subject: Re: [PATCH v2 4/5] phy: mvebu-cp110-comphy: convert to use eth phy mode and submode Hi Antoine, David Miller Please ACK this patch if it looks okay. Thanks Kishon On 10/11/18 5:17 AM, Grygorii Strashko wrote: > Convert mvebu-cp110-comphy PHY driver to use recently introduced > PHY_MODE_ETHERNET and phy_set_mode_ext(). > > Signed-off-by: Grygorii Strashko <grygorii.strashko@...com> > --- > drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c | 19 +----- > drivers/phy/marvell/phy-mvebu-cp110-comphy.c | 83 ++++++++++++++----------- > 2 files changed, 48 insertions(+), 54 deletions(-) > > diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c > index 7a37a37..731793a 100644 > --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c > +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c > @@ -1165,28 +1165,13 @@ static void mvpp22_gop_setup_irq(struct mvpp2_port *port) > */ > static int mvpp22_comphy_init(struct mvpp2_port *port) > { > - enum phy_mode mode; > int ret; > > if (!port->comphy) > return 0; > > - switch (port->phy_interface) { > - case PHY_INTERFACE_MODE_SGMII: > - case PHY_INTERFACE_MODE_1000BASEX: > - mode = PHY_MODE_SGMII; > - break; > - case PHY_INTERFACE_MODE_2500BASEX: > - mode = PHY_MODE_2500SGMII; > - break; > - case PHY_INTERFACE_MODE_10GKR: > - mode = PHY_MODE_10GKR; > - break; > - default: > - return -EINVAL; > - } > - > - ret = phy_set_mode(port->comphy, mode); > + ret = phy_set_mode_ext(port->comphy, PHY_MODE_ETHERNET, > + port->phy_interface); > if (ret) > return ret; > > diff --git a/drivers/phy/marvell/phy-mvebu-cp110-comphy.c b/drivers/phy/marvell/phy-mvebu-cp110-comphy.c > index 79b52c3..7dee72b 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> > @@ -131,26 +132,26 @@ struct mvebu_comhy_conf { > > static const struct mvebu_comhy_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 +164,12 @@ 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 +180,7 @@ 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 == submode) > break; > } > > @@ -187,8 +190,7 @@ 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 +208,14 @@ 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 +245,7 @@ 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 +263,7 @@ 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 +304,13 @@ 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 +331,7 @@ 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 +340,7 @@ 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 +470,7 @@ 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 +480,8 @@ 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 +494,12 @@ 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: > @@ -517,10 +519,17 @@ static int mvebu_comphy_set_mode(struct phy *phy, > { > 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; > } > >
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