diff options
Diffstat (limited to 'drivers/phy/qualcomm/phy-qcom-qmp-pcie-msm8996.c')
| -rw-r--r-- | drivers/phy/qualcomm/phy-qcom-qmp-pcie-msm8996.c | 81 |
1 files changed, 10 insertions, 71 deletions
diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-pcie-msm8996.c b/drivers/phy/qualcomm/phy-qcom-qmp-pcie-msm8996.c index ab61a9c73b18..a7c65cfe31df 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp-pcie-msm8996.c +++ b/drivers/phy/qualcomm/phy-qcom-qmp-pcie-msm8996.c @@ -19,19 +19,13 @@ #include <linux/reset.h> #include <linux/slab.h> +#include "phy-qcom-qmp-common.h" + #include "phy-qcom-qmp.h" -/* QPHY_SW_RESET bit */ -#define SW_RESET BIT(0) -/* QPHY_POWER_DOWN_CONTROL */ -#define SW_PWRDN BIT(0) -#define REFCLK_DRV_DSBL BIT(1) /* QPHY_START_CONTROL bits */ -#define SERDES_START BIT(0) -#define PCS_START BIT(1) #define PLL_READY_GATE_EN BIT(3) -/* QPHY_PCS_STATUS bit */ -#define PHYSTATUS BIT(6) + /* QPHY_COM_PCS_READY_STATUS bit */ #define PCS_READY BIT(0) @@ -39,30 +33,6 @@ #define POWER_DOWN_DELAY_US_MIN 10 #define POWER_DOWN_DELAY_US_MAX 20 -struct qmp_phy_init_tbl { - unsigned int offset; - unsigned int val; - /* - * mask of lanes for which this register is written - * for cases when second lane needs different values - */ - u8 lane_mask; -}; - -#define QMP_PHY_INIT_CFG(o, v) \ - { \ - .offset = o, \ - .val = v, \ - .lane_mask = 0xff, \ - } - -#define QMP_PHY_INIT_CFG_LANE(o, v, l) \ - { \ - .offset = o, \ - .val = v, \ - .lane_mask = l, \ - } - /* set of registers with offsets different per-PHY */ enum qphy_reg_layout { /* Common block control registers */ @@ -307,32 +277,6 @@ static const struct qmp_phy_cfg msm8996_pciephy_cfg = { .regs = pciephy_regs_layout, }; -static void qmp_pcie_msm8996_configure_lane(void __iomem *base, - const struct qmp_phy_init_tbl tbl[], - int num, - u8 lane_mask) -{ - int i; - const struct qmp_phy_init_tbl *t = tbl; - - if (!t) - return; - - for (i = 0; i < num; i++, t++) { - if (!(t->lane_mask & lane_mask)) - continue; - - writel(t->val, base + t->offset); - } -} - -static void qmp_pcie_msm8996_configure(void __iomem *base, - const struct qmp_phy_init_tbl tbl[], - int num) -{ - qmp_pcie_msm8996_configure_lane(base, tbl, num, 0xff); -} - static int qmp_pcie_msm8996_serdes_init(struct qmp_phy *qphy) { struct qcom_qmp *qmp = qphy->qmp; @@ -344,7 +288,7 @@ static int qmp_pcie_msm8996_serdes_init(struct qmp_phy *qphy) unsigned int val; int ret; - qmp_pcie_msm8996_configure(serdes, serdes_tbl, serdes_tbl_num); + qmp_configure(qmp->dev, serdes, serdes_tbl, serdes_tbl_num); qphy_clrbits(serdes, cfg->regs[QPHY_COM_SW_RESET], SW_RESET); qphy_setbits(serdes, cfg->regs[QPHY_COM_START_CONTROL], @@ -487,9 +431,9 @@ static int qmp_pcie_msm8996_power_on(struct phy *phy) } /* Tx, Rx, and PCS configurations */ - qmp_pcie_msm8996_configure_lane(tx, cfg->tx_tbl, cfg->tx_tbl_num, 1); - qmp_pcie_msm8996_configure_lane(rx, cfg->rx_tbl, cfg->rx_tbl_num, 1); - qmp_pcie_msm8996_configure(pcs, cfg->pcs_tbl, cfg->pcs_tbl_num); + qmp_configure_lane(qmp->dev, tx, cfg->tx_tbl, cfg->tx_tbl_num, 1); + qmp_configure_lane(qmp->dev, rx, cfg->rx_tbl, cfg->rx_tbl_num, 1); + qmp_configure(qmp->dev, pcs, cfg->pcs_tbl, cfg->pcs_tbl_num); /* * Pull out PHY from POWER DOWN state. @@ -781,7 +725,6 @@ static int qmp_pcie_msm8996_probe(struct platform_device *pdev) { struct qcom_qmp *qmp; struct device *dev = &pdev->dev; - struct device_node *child; struct phy_provider *phy_provider; void __iomem *serdes; const struct qmp_phy_cfg *cfg = NULL; @@ -829,13 +772,13 @@ static int qmp_pcie_msm8996_probe(struct platform_device *pdev) return -ENOMEM; id = 0; - for_each_available_child_of_node(dev->of_node, child) { + for_each_available_child_of_node_scoped(dev->of_node, child) { /* Create per-lane phy */ ret = qmp_pcie_msm8996_create(dev, child, id, serdes, cfg); if (ret) { dev_err(dev, "failed to create lane%d phy, %d\n", id, ret); - goto err_node_put; + return ret; } /* @@ -846,7 +789,7 @@ static int qmp_pcie_msm8996_probe(struct platform_device *pdev) if (ret) { dev_err(qmp->dev, "failed to register pipe clock source\n"); - goto err_node_put; + return ret; } id++; @@ -855,10 +798,6 @@ static int qmp_pcie_msm8996_probe(struct platform_device *pdev) phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate); return PTR_ERR_OR_ZERO(phy_provider); - -err_node_put: - of_node_put(child); - return ret; } static struct platform_driver qmp_pcie_msm8996_driver = { |