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path: root/drivers/phy/qualcomm
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-rw-r--r--drivers/phy/qualcomm/phy-qcom-qmp.c113
1 files changed, 56 insertions, 57 deletions
diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.c b/drivers/phy/qualcomm/phy-qcom-qmp.c
index 26623ddb0751..271cdf7aaffa 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp.c
+++ b/drivers/phy/qualcomm/phy-qcom-qmp.c
@@ -1801,6 +1801,8 @@ struct qmp_phy_cfg {
* struct qmp_phy - per-lane phy descriptor
*
* @phy: generic phy
+ * @cfg: phy specific configuration
+ * @serdes: iomapped memory space for phy's serdes (i.e. PLL)
* @tx: iomapped memory space for lane's tx
* @rx: iomapped memory space for lane's rx
* @pcs: iomapped memory space for lane's pcs
@@ -1815,6 +1817,8 @@ struct qmp_phy_cfg {
*/
struct qmp_phy {
struct phy *phy;
+ const struct qmp_phy_cfg *cfg;
+ void __iomem *serdes;
void __iomem *tx;
void __iomem *rx;
void __iomem *pcs;
@@ -1832,14 +1836,12 @@ struct qmp_phy {
* struct qcom_qmp - structure holding QMP phy block attributes
*
* @dev: device
- * @serdes: iomapped memory space for phy's serdes
* @dp_com: iomapped memory space for phy's dp_com control block
*
* @clks: array of clocks required by phy
* @resets: array of resets required by phy
* @vregs: regulator supplies bulk data
*
- * @cfg: phy specific configuration
* @phys: array of per-lane phy descriptors
* @phy_mutex: mutex lock for PHY common block initialization
* @init_count: phy common block initialization count
@@ -1847,14 +1849,12 @@ struct qmp_phy {
*/
struct qcom_qmp {
struct device *dev;
- void __iomem *serdes;
void __iomem *dp_com;
struct clk_bulk_data *clks;
struct reset_control **resets;
struct regulator_bulk_data *vregs;
- const struct qmp_phy_cfg *cfg;
struct qmp_phy **phys;
struct mutex phy_mutex;
@@ -2480,8 +2480,8 @@ static void qcom_qmp_phy_configure(void __iomem *base,
static int qcom_qmp_phy_com_init(struct qmp_phy *qphy)
{
struct qcom_qmp *qmp = qphy->qmp;
- const struct qmp_phy_cfg *cfg = qmp->cfg;
- void __iomem *serdes = qmp->serdes;
+ const struct qmp_phy_cfg *cfg = qphy->cfg;
+ void __iomem *serdes = qphy->serdes;
void __iomem *pcs = qphy->pcs;
void __iomem *dp_com = qmp->dp_com;
int ret, i;
@@ -2512,7 +2512,7 @@ static int qcom_qmp_phy_com_init(struct qmp_phy *qphy)
ret = reset_control_deassert(qmp->resets[i]);
if (ret) {
dev_err(qmp->dev, "%s reset deassert failed\n",
- qmp->cfg->reset_list[i]);
+ qphy->cfg->reset_list[i]);
goto err_rst;
}
}
@@ -2594,10 +2594,11 @@ err_reg_enable:
return ret;
}
-static int qcom_qmp_phy_com_exit(struct qcom_qmp *qmp)
+static int qcom_qmp_phy_com_exit(struct qmp_phy *qphy)
{
- const struct qmp_phy_cfg *cfg = qmp->cfg;
- void __iomem *serdes = qmp->serdes;
+ struct qcom_qmp *qmp = qphy->qmp;
+ const struct qmp_phy_cfg *cfg = qphy->cfg;
+ void __iomem *serdes = qphy->serdes;
int i = cfg->num_resets;
mutex_lock(&qmp->phy_mutex);
@@ -2632,7 +2633,7 @@ static int qcom_qmp_phy_enable(struct phy *phy)
{
struct qmp_phy *qphy = phy_get_drvdata(phy);
struct qcom_qmp *qmp = qphy->qmp;
- const struct qmp_phy_cfg *cfg = qmp->cfg;
+ const struct qmp_phy_cfg *cfg = qphy->cfg;
void __iomem *tx = qphy->tx;
void __iomem *rx = qphy->rx;
void __iomem *pcs = qphy->pcs;
@@ -2757,7 +2758,7 @@ err_clk_enable:
if (cfg->has_lane_rst)
reset_control_assert(qphy->lane_rst);
err_lane_rst:
- qcom_qmp_phy_com_exit(qmp);
+ qcom_qmp_phy_com_exit(qphy);
return ret;
}
@@ -2765,8 +2766,7 @@ err_lane_rst:
static int qcom_qmp_phy_disable(struct phy *phy)
{
struct qmp_phy *qphy = phy_get_drvdata(phy);
- struct qcom_qmp *qmp = qphy->qmp;
- const struct qmp_phy_cfg *cfg = qmp->cfg;
+ const struct qmp_phy_cfg *cfg = qphy->cfg;
clk_disable_unprepare(qphy->pipe_clk);
@@ -2789,7 +2789,7 @@ static int qcom_qmp_phy_disable(struct phy *phy)
if (cfg->has_lane_rst)
reset_control_assert(qphy->lane_rst);
- qcom_qmp_phy_com_exit(qmp);
+ qcom_qmp_phy_com_exit(qphy);
return 0;
}
@@ -2806,8 +2806,7 @@ static int qcom_qmp_phy_set_mode(struct phy *phy,
static void qcom_qmp_phy_enable_autonomous_mode(struct qmp_phy *qphy)
{
- struct qcom_qmp *qmp = qphy->qmp;
- const struct qmp_phy_cfg *cfg = qmp->cfg;
+ const struct qmp_phy_cfg *cfg = qphy->cfg;
void __iomem *pcs = qphy->pcs;
void __iomem *pcs_misc = qphy->pcs_misc;
u32 intr_mask;
@@ -2836,8 +2835,7 @@ static void qcom_qmp_phy_enable_autonomous_mode(struct qmp_phy *qphy)
static void qcom_qmp_phy_disable_autonomous_mode(struct qmp_phy *qphy)
{
- struct qcom_qmp *qmp = qphy->qmp;
- const struct qmp_phy_cfg *cfg = qmp->cfg;
+ const struct qmp_phy_cfg *cfg = qphy->cfg;
void __iomem *pcs = qphy->pcs;
void __iomem *pcs_misc = qphy->pcs_misc;
@@ -2857,7 +2855,7 @@ static int __maybe_unused qcom_qmp_phy_runtime_suspend(struct device *dev)
{
struct qcom_qmp *qmp = dev_get_drvdata(dev);
struct qmp_phy *qphy = qmp->phys[0];
- const struct qmp_phy_cfg *cfg = qmp->cfg;
+ const struct qmp_phy_cfg *cfg = qphy->cfg;
dev_vdbg(dev, "Suspending QMP phy, mode:%d\n", qphy->mode);
@@ -2882,7 +2880,7 @@ static int __maybe_unused qcom_qmp_phy_runtime_resume(struct device *dev)
{
struct qcom_qmp *qmp = dev_get_drvdata(dev);
struct qmp_phy *qphy = qmp->phys[0];
- const struct qmp_phy_cfg *cfg = qmp->cfg;
+ const struct qmp_phy_cfg *cfg = qphy->cfg;
int ret = 0;
dev_vdbg(dev, "Resuming QMP phy, mode:%d\n", qphy->mode);
@@ -2914,10 +2912,10 @@ static int __maybe_unused qcom_qmp_phy_runtime_resume(struct device *dev)
return 0;
}
-static int qcom_qmp_phy_vreg_init(struct device *dev)
+static int qcom_qmp_phy_vreg_init(struct device *dev, const struct qmp_phy_cfg *cfg)
{
struct qcom_qmp *qmp = dev_get_drvdata(dev);
- int num = qmp->cfg->num_vregs;
+ int num = cfg->num_vregs;
int i;
qmp->vregs = devm_kcalloc(dev, num, sizeof(*qmp->vregs), GFP_KERNEL);
@@ -2925,24 +2923,24 @@ static int qcom_qmp_phy_vreg_init(struct device *dev)
return -ENOMEM;
for (i = 0; i < num; i++)
- qmp->vregs[i].supply = qmp->cfg->vreg_list[i];
+ qmp->vregs[i].supply = cfg->vreg_list[i];
return devm_regulator_bulk_get(dev, num, qmp->vregs);
}
-static int qcom_qmp_phy_reset_init(struct device *dev)
+static int qcom_qmp_phy_reset_init(struct device *dev, const struct qmp_phy_cfg *cfg)
{
struct qcom_qmp *qmp = dev_get_drvdata(dev);
int i;
- qmp->resets = devm_kcalloc(dev, qmp->cfg->num_resets,
+ qmp->resets = devm_kcalloc(dev, cfg->num_resets,
sizeof(*qmp->resets), GFP_KERNEL);
if (!qmp->resets)
return -ENOMEM;
- for (i = 0; i < qmp->cfg->num_resets; i++) {
+ for (i = 0; i < cfg->num_resets; i++) {
struct reset_control *rst;
- const char *name = qmp->cfg->reset_list[i];
+ const char *name = cfg->reset_list[i];
rst = devm_reset_control_get(dev, name);
if (IS_ERR(rst)) {
@@ -2955,10 +2953,10 @@ static int qcom_qmp_phy_reset_init(struct device *dev)
return 0;
}
-static int qcom_qmp_phy_clk_init(struct device *dev)
+static int qcom_qmp_phy_clk_init(struct device *dev, const struct qmp_phy_cfg *cfg)
{
struct qcom_qmp *qmp = dev_get_drvdata(dev);
- int num = qmp->cfg->num_clks;
+ int num = cfg->num_clks;
int i;
qmp->clks = devm_kcalloc(dev, num, sizeof(*qmp->clks), GFP_KERNEL);
@@ -2966,7 +2964,7 @@ static int qcom_qmp_phy_clk_init(struct device *dev)
return -ENOMEM;
for (i = 0; i < num; i++)
- qmp->clks[i].id = qmp->cfg->clk_list[i];
+ qmp->clks[i].id = cfg->clk_list[i];
return devm_clk_bulk_get(dev, num, qmp->clks);
}
@@ -3000,12 +2998,6 @@ static int phy_pipe_clk_register(struct qcom_qmp *qmp, struct device_node *np)
struct clk_init_data init = { };
int ret;
- if ((qmp->cfg->type != PHY_TYPE_USB3) &&
- (qmp->cfg->type != PHY_TYPE_PCIE)) {
- /* not all phys register pipe clocks, so return success */
- return 0;
- }
-
ret = of_property_read_string(np, "clock-output-names", &init.name);
if (ret) {
dev_err(qmp->dev, "%pOFn: No clock-output-names\n", np);
@@ -3056,7 +3048,8 @@ static const struct phy_ops qcom_qmp_pcie_ufs_ops = {
};
static
-int qcom_qmp_phy_create(struct device *dev, struct device_node *np, int id)
+int qcom_qmp_phy_create(struct device *dev, struct device_node *np, int id,
+ void __iomem *serdes, const struct qmp_phy_cfg *cfg)
{
struct qcom_qmp *qmp = dev_get_drvdata(dev);
struct phy *generic_phy;
@@ -3069,6 +3062,8 @@ int qcom_qmp_phy_create(struct device *dev, struct device_node *np, int id)
if (!qphy)
return -ENOMEM;
+ qphy->cfg = cfg;
+ qphy->serdes = serdes;
/*
* Get memory resources for each phy lane:
* Resources are indexed as: tx -> 0; rx -> 1; pcs -> 2.
@@ -3093,7 +3088,7 @@ int qcom_qmp_phy_create(struct device *dev, struct device_node *np, int id)
* back to old legacy behavior of assuming they can be reached at an
* offset from the first lane.
*/
- if (qmp->cfg->is_dual_lane_phy) {
+ if (cfg->is_dual_lane_phy) {
qphy->tx2 = of_iomap(np, 3);
qphy->rx2 = of_iomap(np, 4);
if (!qphy->tx2 || !qphy->rx2) {
@@ -3126,8 +3121,8 @@ int qcom_qmp_phy_create(struct device *dev, struct device_node *np, int id)
snprintf(prop_name, sizeof(prop_name), "pipe%d", id);
qphy->pipe_clk = of_clk_get_by_name(np, prop_name);
if (IS_ERR(qphy->pipe_clk)) {
- if (qmp->cfg->type == PHY_TYPE_PCIE ||
- qmp->cfg->type == PHY_TYPE_USB3) {
+ if (cfg->type == PHY_TYPE_PCIE ||
+ cfg->type == PHY_TYPE_USB3) {
ret = PTR_ERR(qphy->pipe_clk);
if (ret != -EPROBE_DEFER)
dev_err(dev,
@@ -3139,7 +3134,7 @@ int qcom_qmp_phy_create(struct device *dev, struct device_node *np, int id)
}
/* Get lane reset, if any */
- if (qmp->cfg->has_lane_rst) {
+ if (cfg->has_lane_rst) {
snprintf(prop_name, sizeof(prop_name), "lane%d", id);
qphy->lane_rst = of_reset_control_get(np, prop_name);
if (IS_ERR(qphy->lane_rst)) {
@@ -3148,7 +3143,7 @@ int qcom_qmp_phy_create(struct device *dev, struct device_node *np, int id)
}
}
- if (qmp->cfg->type == PHY_TYPE_UFS || qmp->cfg->type == PHY_TYPE_PCIE)
+ if (cfg->type == PHY_TYPE_UFS || cfg->type == PHY_TYPE_PCIE)
ops = &qcom_qmp_pcie_ufs_ops;
generic_phy = devm_phy_create(dev, np, ops);
@@ -3246,6 +3241,8 @@ static int qcom_qmp_phy_probe(struct platform_device *pdev)
struct device_node *child;
struct phy_provider *phy_provider;
void __iomem *base;
+ void __iomem *serdes;
+ const struct qmp_phy_cfg *cfg;
int num, id;
int ret;
@@ -3257,8 +3254,8 @@ static int qcom_qmp_phy_probe(struct platform_device *pdev)
dev_set_drvdata(dev, qmp);
/* Get the specific init parameters of QMP phy */
- qmp->cfg = of_device_get_match_data(dev);
- if (!qmp->cfg)
+ cfg = of_device_get_match_data(dev);
+ if (!cfg)
return -EINVAL;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
@@ -3267,10 +3264,10 @@ static int qcom_qmp_phy_probe(struct platform_device *pdev)
return PTR_ERR(base);
/* per PHY serdes; usually located at base address */
- qmp->serdes = base;
+ serdes = base;
/* per PHY dp_com; if PHY has dp_com control block */
- if (qmp->cfg->has_phy_dp_com_ctrl) {
+ if (cfg->has_phy_dp_com_ctrl) {
res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
"dp_com");
base = devm_ioremap_resource(dev, res);
@@ -3282,15 +3279,15 @@ static int qcom_qmp_phy_probe(struct platform_device *pdev)
mutex_init(&qmp->phy_mutex);
- ret = qcom_qmp_phy_clk_init(dev);
+ ret = qcom_qmp_phy_clk_init(dev, cfg);
if (ret)
return ret;
- ret = qcom_qmp_phy_reset_init(dev);
+ ret = qcom_qmp_phy_reset_init(dev, cfg);
if (ret)
return ret;
- ret = qcom_qmp_phy_vreg_init(dev);
+ ret = qcom_qmp_phy_vreg_init(dev, cfg);
if (ret) {
if (ret != -EPROBE_DEFER)
dev_err(dev, "failed to get regulator supplies: %d\n",
@@ -3300,7 +3297,7 @@ static int qcom_qmp_phy_probe(struct platform_device *pdev)
num = of_get_available_child_count(dev->of_node);
/* do we have a rogue child node ? */
- if (num > qmp->cfg->nlanes)
+ if (num > cfg->nlanes)
return -EINVAL;
qmp->phys = devm_kcalloc(dev, num, sizeof(*qmp->phys), GFP_KERNEL);
@@ -3318,7 +3315,7 @@ static int qcom_qmp_phy_probe(struct platform_device *pdev)
for_each_available_child_of_node(dev->of_node, child) {
/* Create per-lane phy */
- ret = qcom_qmp_phy_create(dev, child, id);
+ ret = qcom_qmp_phy_create(dev, child, id, serdes, cfg);
if (ret) {
dev_err(dev, "failed to create lane%d phy, %d\n",
id, ret);
@@ -3329,11 +3326,13 @@ static int qcom_qmp_phy_probe(struct platform_device *pdev)
* Register the pipe clock provided by phy.
* See function description to see details of this pipe clock.
*/
- ret = phy_pipe_clk_register(qmp, child);
- if (ret) {
- dev_err(qmp->dev,
- "failed to register pipe clock source\n");
- goto err_node_put;
+ if (cfg->type == PHY_TYPE_USB3 || cfg->type == PHY_TYPE_PCIE) {
+ ret = phy_pipe_clk_register(qmp, child);
+ if (ret) {
+ dev_err(qmp->dev,
+ "failed to register pipe clock source\n");
+ goto err_node_put;
+ }
}
id++;
}
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-04 20:06:32 +0300