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phy: qcom-qmp-usb: consolidate lane config 

For legacy reasons, there are two configuration parameters that appear
to describe the number of lanes a PHY has, even if "nlanes" was actually
used for a different purpose.

Replace them both with a new field simply named "lanes".

Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20220920073826.20811-17-johan+linaro@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Johan Hovold 2022-09-20 09:38:25 +02:00 committed by Vinod Koul
parent 07d386bf6d
commit a73a19ea38
1 changed files with 20 additions and 32 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

52
drivers/phy/qualcomm/phy-qcom-qmp-usb.c
View File

@ -1429,8 +1429,7 @@ static const struct qmp_phy_init_tbl sc8280xp_usb3_uniphy_pcs_tbl[] = {
/* struct qmp_phy_cfg - per-PHY initialization config */
struct qmp_phy_cfg {
/* number of lanes provided by phy */
int nlanes;
int lanes;
/* Init sequence for PHY blocks - serdes, tx, rx, pcs */
const struct qmp_phy_init_tbl *serdes_tbl;
@ -1470,8 +1469,6 @@ struct qmp_phy_cfg {
/* true, if PHY has a separate DP_COM control block */
bool has_phy_dp_com_ctrl;
/* true, if PHY has secondary tx/rx lanes to be configured */
bool is_dual_lane_phy;
/* Offset from PCS to PCS_USB region */
unsigned int pcs_usb_offset;
@ -1603,7 +1600,7 @@ static const char * const qmp_phy_vreg_l[] = {
};
static const struct qmp_phy_cfg ipq8074_usb3phy_cfg = {
.nlanes = 1,
.lanes = 1,
.serdes_tbl = ipq8074_usb3_serdes_tbl,
.serdes_tbl_num = ARRAY_SIZE(ipq8074_usb3_serdes_tbl),
@ -1627,7 +1624,7 @@ static const struct qmp_phy_cfg ipq8074_usb3phy_cfg = {
};
static const struct qmp_phy_cfg msm8996_usb3phy_cfg = {
.nlanes = 1,
.lanes = 1,
.serdes_tbl = msm8996_usb3_serdes_tbl,
.serdes_tbl_num = ARRAY_SIZE(msm8996_usb3_serdes_tbl),
@ -1651,7 +1648,7 @@ static const struct qmp_phy_cfg msm8996_usb3phy_cfg = {
};
static const struct qmp_phy_cfg qmp_v3_usb3phy_cfg = {
.nlanes = 1,
.lanes = 2,
.serdes_tbl = qmp_v3_usb3_serdes_tbl,
.serdes_tbl_num = ARRAY_SIZE(qmp_v3_usb3_serdes_tbl),
@ -1678,11 +1675,10 @@ static const struct qmp_phy_cfg qmp_v3_usb3phy_cfg = {
.pwrdn_delay_max = POWER_DOWN_DELAY_US_MAX,
.has_phy_dp_com_ctrl = true,
.is_dual_lane_phy = true,
};
static const struct qmp_phy_cfg sc7180_usb3phy_cfg = {
.nlanes = 1,
.lanes = 2,
.serdes_tbl = qmp_v3_usb3_serdes_tbl,
.serdes_tbl_num = ARRAY_SIZE(qmp_v3_usb3_serdes_tbl),
@ -1709,11 +1705,10 @@ static const struct qmp_phy_cfg sc7180_usb3phy_cfg = {
.pwrdn_delay_max = POWER_DOWN_DELAY_US_MAX,
.has_phy_dp_com_ctrl = true,
.is_dual_lane_phy = true,
};
static const struct qmp_phy_cfg sc8280xp_usb3_uniphy_cfg = {
.nlanes = 1,
.lanes = 1,
.serdes_tbl = sc8280xp_usb3_uniphy_serdes_tbl,
.serdes_tbl_num = ARRAY_SIZE(sc8280xp_usb3_uniphy_serdes_tbl),
@ -1741,7 +1736,7 @@ static const struct qmp_phy_cfg sc8280xp_usb3_uniphy_cfg = {
};
static const struct qmp_phy_cfg qmp_v3_usb3_uniphy_cfg = {
.nlanes = 1,
.lanes = 1,
.serdes_tbl = qmp_v3_usb3_uniphy_serdes_tbl,
.serdes_tbl_num = ARRAY_SIZE(qmp_v3_usb3_uniphy_serdes_tbl),
@ -1769,7 +1764,7 @@ static const struct qmp_phy_cfg qmp_v3_usb3_uniphy_cfg = {
};
static const struct qmp_phy_cfg msm8998_usb3phy_cfg = {
.nlanes = 1,
.lanes = 2,
.serdes_tbl = msm8998_usb3_serdes_tbl,
.serdes_tbl_num = ARRAY_SIZE(msm8998_usb3_serdes_tbl),
@ -1790,12 +1785,10 @@ static const struct qmp_phy_cfg msm8998_usb3phy_cfg = {
.start_ctrl = SERDES_START | PCS_START,
.pwrdn_ctrl = SW_PWRDN,
.phy_status = PHYSTATUS,
.is_dual_lane_phy = true,
};
static const struct qmp_phy_cfg sm8150_usb3phy_cfg = {
.nlanes = 1,
.lanes = 2,
.serdes_tbl = sm8150_usb3_serdes_tbl,
.serdes_tbl_num = ARRAY_SIZE(sm8150_usb3_serdes_tbl),
@ -1826,11 +1819,10 @@ static const struct qmp_phy_cfg sm8150_usb3phy_cfg = {
.pwrdn_delay_max = POWER_DOWN_DELAY_US_MAX,
.has_phy_dp_com_ctrl = true,
.is_dual_lane_phy = true,
};
static const struct qmp_phy_cfg sm8150_usb3_uniphy_cfg = {
.nlanes = 1,
.lanes = 1,
.serdes_tbl = sm8150_usb3_uniphy_serdes_tbl,
.serdes_tbl_num = ARRAY_SIZE(sm8150_usb3_uniphy_serdes_tbl),
@ -1861,7 +1853,7 @@ static const struct qmp_phy_cfg sm8150_usb3_uniphy_cfg = {
};
static const struct qmp_phy_cfg sm8250_usb3phy_cfg = {
.nlanes = 1,
.lanes = 2,
.serdes_tbl = sm8150_usb3_serdes_tbl,
.serdes_tbl_num = ARRAY_SIZE(sm8150_usb3_serdes_tbl),
@ -1891,11 +1883,10 @@ static const struct qmp_phy_cfg sm8250_usb3phy_cfg = {
.pwrdn_delay_max = POWER_DOWN_DELAY_US_MAX,
.has_phy_dp_com_ctrl = true,
.is_dual_lane_phy = true,
};
static const struct qmp_phy_cfg sm8250_usb3_uniphy_cfg = {
.nlanes = 1,
.lanes = 1,
.serdes_tbl = sm8150_usb3_uniphy_serdes_tbl,
.serdes_tbl_num = ARRAY_SIZE(sm8150_usb3_uniphy_serdes_tbl),
@ -1926,7 +1917,7 @@ static const struct qmp_phy_cfg sm8250_usb3_uniphy_cfg = {
};
static const struct qmp_phy_cfg sdx55_usb3_uniphy_cfg = {
.nlanes = 1,
.lanes = 1,
.serdes_tbl = sm8150_usb3_uniphy_serdes_tbl,
.serdes_tbl_num = ARRAY_SIZE(sm8150_usb3_uniphy_serdes_tbl),
@ -1957,7 +1948,7 @@ static const struct qmp_phy_cfg sdx55_usb3_uniphy_cfg = {
};
static const struct qmp_phy_cfg sdx65_usb3_uniphy_cfg = {
.nlanes = 1,
.lanes = 1,
.serdes_tbl = sm8150_usb3_uniphy_serdes_tbl,
.serdes_tbl_num = ARRAY_SIZE(sm8150_usb3_uniphy_serdes_tbl),
@ -1988,7 +1979,7 @@ static const struct qmp_phy_cfg sdx65_usb3_uniphy_cfg = {
};
static const struct qmp_phy_cfg sm8350_usb3phy_cfg = {
.nlanes = 1,
.lanes = 2,
.serdes_tbl = sm8150_usb3_serdes_tbl,
.serdes_tbl_num = ARRAY_SIZE(sm8150_usb3_serdes_tbl),
@ -2018,11 +2009,10 @@ static const struct qmp_phy_cfg sm8350_usb3phy_cfg = {
.pwrdn_delay_max = POWER_DOWN_DELAY_US_MAX,
.has_phy_dp_com_ctrl = true,
.is_dual_lane_phy = true,
};
static const struct qmp_phy_cfg sm8350_usb3_uniphy_cfg = {
.nlanes = 1,
.lanes = 1,
.serdes_tbl = sm8150_usb3_uniphy_serdes_tbl,
.serdes_tbl_num = ARRAY_SIZE(sm8150_usb3_uniphy_serdes_tbl),
@ -2053,7 +2043,7 @@ static const struct qmp_phy_cfg sm8350_usb3_uniphy_cfg = {
};
static const struct qmp_phy_cfg qcm2290_usb3phy_cfg = {
.nlanes = 1,
.lanes = 2,
.serdes_tbl = qcm2290_usb3_serdes_tbl,
.serdes_tbl_num = ARRAY_SIZE(qcm2290_usb3_serdes_tbl),
@ -2074,8 +2064,6 @@ static const struct qmp_phy_cfg qcm2290_usb3phy_cfg = {
.start_ctrl = SERDES_START | PCS_START,
.pwrdn_ctrl = SW_PWRDN,
.phy_status = PHYSTATUS,
.is_dual_lane_phy = true,
};
static void qmp_usb_configure_lane(void __iomem *base,
@ -2232,14 +2220,14 @@ static int qmp_usb_power_on(struct phy *phy)
/* Tx, Rx, and PCS configurations */
qmp_usb_configure_lane(tx, cfg->regs, cfg->tx_tbl, cfg->tx_tbl_num, 1);
if (cfg->is_dual_lane_phy) {
if (cfg->lanes >= 2) {
qmp_usb_configure_lane(qphy->tx2, cfg->regs,
cfg->tx_tbl, cfg->tx_tbl_num, 2);
}
qmp_usb_configure_lane(rx, cfg->regs, cfg->rx_tbl, cfg->rx_tbl_num, 1);
if (cfg->is_dual_lane_phy) {
if (cfg->lanes >= 2) {
qmp_usb_configure_lane(qphy->rx2, cfg->regs,
cfg->rx_tbl, cfg->rx_tbl_num, 2);
}
@ -2613,7 +2601,7 @@ int qmp_usb_create(struct device *dev, struct device_node *np, int id,
if (cfg->pcs_usb_offset)
qphy->pcs_usb = qphy->pcs + cfg->pcs_usb_offset;
if (cfg->is_dual_lane_phy) {
if (cfg->lanes >= 2) {
qphy->tx2 = devm_of_iomap(dev, np, 3, NULL);
if (IS_ERR(qphy->tx2))
return PTR_ERR(qphy->tx2);