diff options
| -rw-r--r-- | drivers/phy/qualcomm/Kconfig | 8 | ||||
| -rw-r--r-- | drivers/phy/qualcomm/phy-qcom-qmp-combo.c | 67 | ||||
| -rw-r--r-- | drivers/phy/qualcomm/phy-qcom-qmp-usb.c | 10 |
3 files changed, 81 insertions, 4 deletions
diff --git a/drivers/phy/qualcomm/Kconfig b/drivers/phy/qualcomm/Kconfig index eb9ddc685b38..a57ce3618c23 100644 --- a/drivers/phy/qualcomm/Kconfig +++ b/drivers/phy/qualcomm/Kconfig @@ -59,6 +59,14 @@ config PHY_QCOM_QMP Enable this to support the QMP PHY transceiver that is used with controllers such as PCIe, UFS, and USB on Qualcomm chips. +config PHY_QCOM_QMP_TYPEC + def_bool PHY_QCOM_QMP=y && TYPEC=y || PHY_QCOM_QMP=m && TYPEC + help + Register a type C switch from the QMP PHY driver for type C + orientation support. This has dependencies with if the type C kernel + configuration is enabled or not. This support will not be present if + USB type C is disabled. + config PHY_QCOM_QUSB2 tristate "Qualcomm QUSB2 PHY Driver" depends on OF && (ARCH_QCOM || COMPILE_TEST) diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-combo.c b/drivers/phy/qualcomm/phy-qcom-qmp-combo.c index 1f022e580407..dfb9214dcef5 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp-combo.c +++ b/drivers/phy/qualcomm/phy-qcom-qmp-combo.c @@ -62,6 +62,10 @@ /* QPHY_V3_PCS_MISC_CLAMP_ENABLE register bits */ #define CLAMP_EN BIT(0) /* enables i/o clamp_n */ +/* QPHY_V3_DP_COM_TYPEC_CTRL register bits */ +#define SW_PORTSELECT_VAL BIT(0) +#define SW_PORTSELECT_MUX BIT(1) + #define PHY_INIT_COMPLETE_TIMEOUT 10000 struct qmp_phy_init_tbl { @@ -912,6 +916,9 @@ struct qmp_combo { struct clk_fixed_rate pipe_clk_fixed; struct clk_hw dp_link_hw; struct clk_hw dp_pixel_hw; + + struct typec_switch_dev *sw; + enum typec_orientation orientation; }; static void qmp_v3_dp_aux_init(struct qmp_combo *qmp); @@ -1384,7 +1391,9 @@ static void qmp_v3_configure_dp_tx(struct qmp_combo *qmp) static bool qmp_combo_configure_dp_mode(struct qmp_combo *qmp) { u32 val; - bool reverse = false; + bool reverse = qmp->orientation == TYPEC_ORIENTATION_REVERSE; + const struct phy_configure_opts_dp *dp_opts = &qphy->dp_opts; + struct qcom_qmp *qmp = qphy->qmp; val = DP_PHY_PD_CTL_PWRDN | DP_PHY_PD_CTL_AUX_PWRDN | DP_PHY_PD_CTL_PLL_PWRDN | DP_PHY_PD_CTL_DP_CLAMP_EN; @@ -1403,10 +1412,18 @@ static bool qmp_combo_configure_dp_mode(struct qmp_combo *qmp) * if (orientation == ORIENTATION_CC2) * writel(0x4c, qmp->dp_dp_phy + QSERDES_V3_DP_PHY_MODE); */ + if (dp_opts->lanes == 4 || reverse) + val |= DP_PHY_PD_CTL_LANE_0_1_PWRDN; + if (dp_opts->lanes == 4 || !reverse) + val |= DP_PHY_PD_CTL_LANE_2_3_PWRDN; + val |= DP_PHY_PD_CTL_LANE_2_3_PWRDN; writel(val, qmp->dp_dp_phy + QSERDES_DP_PHY_PD_CTL); - writel(0x5c, qmp->dp_dp_phy + QSERDES_DP_PHY_MODE); + if (reverse) + writel(0x4c, qphy->pcs + QSERDES_DP_PHY_MODE); + else + writel(0x5c, qphy->pcs + QSERDES_DP_PHY_MODE); return reverse; } @@ -2669,6 +2686,52 @@ static struct phy *qmp_combo_phy_xlate(struct device *dev, struct of_phandle_arg return ERR_PTR(-EINVAL); } +#if IS_ENABLED(CONFIG_PHY_QCOM_QMP_TYPEC) +static int qcom_qmp_phy_typec_switch_set(struct typec_switch_dev *sw, + enum typec_orientation orientation) +{ + struct qcom_qmp *qmp = typec_switch_get_drvdata(sw); + struct qmp_phy *qphy = qmp->phys[0]; + + dev_dbg(qmp->dev, "Toggling orientation current %d requested %d\n", + qmp->orientation, orientation); + + qmp->orientation = orientation; + + if (orientation == TYPEC_ORIENTATION_NONE) { + if (qmp->init_count) + qcom_qmp_phy_power_off(qphy->phy); + } else { + if (!qmp->init_count) + qcom_qmp_phy_power_on(qphy->phy); + } + + return 0; +} + +static int qcom_qmp_phy_typec_switch_register(struct qcom_qmp *qmp, const struct qmp_phy_cfg *cfg) +{ + struct typec_switch_desc sw_desc; + struct device *dev = qmp->dev; + + sw_desc.drvdata = qmp; + sw_desc.fwnode = dev->fwnode; + sw_desc.set = qcom_qmp_phy_typec_switch_set; + qmp->sw = typec_switch_register(dev, &sw_desc); + if (IS_ERR(qmp->sw)) { + dev_err(dev, "Error registering typec switch: %ld\n", + PTR_ERR(qmp->sw)); + } + + return 0; +} +#else +static int qcom_qmp_phy_typec_switch_register(struct qcom_qmp *qmp, const struct qmp_phy_cfg *cfg) +{ + return 0; +} +#endif + static int qmp_combo_probe(struct platform_device *pdev) { struct qmp_combo *qmp; diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-usb.c b/drivers/phy/qualcomm/phy-qcom-qmp-usb.c index a49711c5a63d..ce44d3a23130 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp-usb.c +++ b/drivers/phy/qualcomm/phy-qcom-qmp-usb.c @@ -19,6 +19,7 @@ #include <linux/regulator/consumer.h> #include <linux/reset.h> #include <linux/slab.h> +#include <linux/usb/typec_mux.h> #include "phy-qcom-qmp.h" #include "phy-qcom-qmp-pcs-misc-v3.h" @@ -2015,8 +2016,11 @@ static int qmp_usb_init(struct phy *phy) SW_DPPHY_RESET_MUX | SW_DPPHY_RESET | SW_USB3PHY_RESET_MUX | SW_USB3PHY_RESET); - /* Default type-c orientation, i.e CC1 */ - qphy_setbits(dp_com, QPHY_V3_DP_COM_TYPEC_CTRL, 0x02); + /* Latch CC orientation based on reported state by TCPM */ + val = SW_PORTSELECT_MUX; + if (qmp->orientation == TYPEC_ORIENTATION_REVERSE) + val |= SW_PORTSELECT_VAL; + qphy_setbits(dp_com, QPHY_V3_DP_COM_TYPEC_CTRL, val); qphy_setbits(dp_com, QPHY_V3_DP_COM_PHY_MODE_CTRL, USB3_MODE | DP_MODE); @@ -2571,6 +2575,8 @@ static int qmp_usb_probe(struct platform_device *pdev) phy_set_drvdata(qmp->phy, qmp); of_node_put(np); + if (cfg->has_phy_dp_com_ctrl) + qcom_qmp_phy_typec_switch_register(qmp, cfg); phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate); |