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path: root/drivers/clk/imx
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-rw-r--r--drivers/clk/imx/clk-busy.c8
-rw-r--r--drivers/clk/imx/clk-composite-8m.c16
-rw-r--r--drivers/clk/imx/clk-composite-93.c7
-rw-r--r--drivers/clk/imx/clk-cpu.c10
-rw-r--r--drivers/clk/imx/clk-fixup-div.c10
-rw-r--r--drivers/clk/imx/clk-fixup-mux.c2
-rw-r--r--drivers/clk/imx/clk-frac-pll.c20
-rw-r--r--drivers/clk/imx/clk-fracn-gppll.c17
-rw-r--r--drivers/clk/imx/clk-gate-exclusive.c2
-rw-r--r--drivers/clk/imx/clk-imx5.c2
-rw-r--r--drivers/clk/imx/clk-imx8-acm.c2
-rw-r--r--drivers/clk/imx/clk-imx8qxp-lpcg.c1
-rw-r--r--drivers/clk/imx/clk-imx95-blk-ctl.c95
-rw-r--r--drivers/clk/imx/clk-pfd.c18
-rw-r--r--drivers/clk/imx/clk-pll14xx.c29
-rw-r--r--drivers/clk/imx/clk-pllv2.c23
-rw-r--r--drivers/clk/imx/clk-pllv3.c72
-rw-r--r--drivers/clk/imx/clk-pllv4.c29
-rw-r--r--drivers/clk/imx/clk-scu.c39
19 files changed, 226 insertions, 176 deletions
diff --git a/drivers/clk/imx/clk-busy.c b/drivers/clk/imx/clk-busy.c
index f163df952ccc..eb27c6fee359 100644
--- a/drivers/clk/imx/clk-busy.c
+++ b/drivers/clk/imx/clk-busy.c
@@ -46,12 +46,12 @@ static unsigned long clk_busy_divider_recalc_rate(struct clk_hw *hw,
return busy->div_ops->recalc_rate(&busy->div.hw, parent_rate);
}
-static long clk_busy_divider_round_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long *prate)
+static int clk_busy_divider_determine_rate(struct clk_hw *hw,
+ struct clk_rate_request *req)
{
struct clk_busy_divider *busy = to_clk_busy_divider(hw);
- return busy->div_ops->round_rate(&busy->div.hw, rate, prate);
+ return busy->div_ops->determine_rate(&busy->div.hw, req);
}
static int clk_busy_divider_set_rate(struct clk_hw *hw, unsigned long rate,
@@ -69,7 +69,7 @@ static int clk_busy_divider_set_rate(struct clk_hw *hw, unsigned long rate,
static const struct clk_ops clk_busy_divider_ops = {
.recalc_rate = clk_busy_divider_recalc_rate,
- .round_rate = clk_busy_divider_round_rate,
+ .determine_rate = clk_busy_divider_determine_rate,
.set_rate = clk_busy_divider_set_rate,
};
diff --git a/drivers/clk/imx/clk-composite-8m.c b/drivers/clk/imx/clk-composite-8m.c
index f187582ba491..1467d0a1b934 100644
--- a/drivers/clk/imx/clk-composite-8m.c
+++ b/drivers/clk/imx/clk-composite-8m.c
@@ -73,21 +73,6 @@ static int imx8m_clk_composite_compute_dividers(unsigned long rate,
return ret;
}
-static long imx8m_clk_composite_divider_round_rate(struct clk_hw *hw,
- unsigned long rate,
- unsigned long *prate)
-{
- int prediv_value;
- int div_value;
-
- imx8m_clk_composite_compute_dividers(rate, *prate,
- &prediv_value, &div_value);
- rate = DIV_ROUND_UP(*prate, prediv_value);
-
- return DIV_ROUND_UP(rate, div_value);
-
-}
-
static int imx8m_clk_composite_divider_set_rate(struct clk_hw *hw,
unsigned long rate,
unsigned long parent_rate)
@@ -153,7 +138,6 @@ static int imx8m_divider_determine_rate(struct clk_hw *hw,
static const struct clk_ops imx8m_clk_composite_divider_ops = {
.recalc_rate = imx8m_clk_composite_divider_recalc_rate,
- .round_rate = imx8m_clk_composite_divider_round_rate,
.set_rate = imx8m_clk_composite_divider_set_rate,
.determine_rate = imx8m_divider_determine_rate,
};
diff --git a/drivers/clk/imx/clk-composite-93.c b/drivers/clk/imx/clk-composite-93.c
index 6c6c5a30f328..513d74a39d3b 100644
--- a/drivers/clk/imx/clk-composite-93.c
+++ b/drivers/clk/imx/clk-composite-93.c
@@ -98,12 +98,6 @@ imx93_clk_composite_divider_recalc_rate(struct clk_hw *hw, unsigned long parent_
return clk_divider_ops.recalc_rate(hw, parent_rate);
}
-static long
-imx93_clk_composite_divider_round_rate(struct clk_hw *hw, unsigned long rate, unsigned long *prate)
-{
- return clk_divider_ops.round_rate(hw, rate, prate);
-}
-
static int
imx93_clk_composite_divider_determine_rate(struct clk_hw *hw, struct clk_rate_request *req)
{
@@ -141,7 +135,6 @@ static int imx93_clk_composite_divider_set_rate(struct clk_hw *hw, unsigned long
static const struct clk_ops imx93_clk_composite_divider_ops = {
.recalc_rate = imx93_clk_composite_divider_recalc_rate,
- .round_rate = imx93_clk_composite_divider_round_rate,
.determine_rate = imx93_clk_composite_divider_determine_rate,
.set_rate = imx93_clk_composite_divider_set_rate,
};
diff --git a/drivers/clk/imx/clk-cpu.c b/drivers/clk/imx/clk-cpu.c
index cb6ca4cf0535..43637cb61693 100644
--- a/drivers/clk/imx/clk-cpu.c
+++ b/drivers/clk/imx/clk-cpu.c
@@ -30,12 +30,14 @@ static unsigned long clk_cpu_recalc_rate(struct clk_hw *hw,
return clk_get_rate(cpu->div);
}
-static long clk_cpu_round_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long *prate)
+static int clk_cpu_determine_rate(struct clk_hw *hw,
+ struct clk_rate_request *req)
{
struct clk_cpu *cpu = to_clk_cpu(hw);
- return clk_round_rate(cpu->pll, rate);
+ req->rate = clk_round_rate(cpu->pll, req->rate);
+
+ return 0;
}
static int clk_cpu_set_rate(struct clk_hw *hw, unsigned long rate,
@@ -66,7 +68,7 @@ static int clk_cpu_set_rate(struct clk_hw *hw, unsigned long rate,
static const struct clk_ops clk_cpu_ops = {
.recalc_rate = clk_cpu_recalc_rate,
- .round_rate = clk_cpu_round_rate,
+ .determine_rate = clk_cpu_determine_rate,
.set_rate = clk_cpu_set_rate,
};
diff --git a/drivers/clk/imx/clk-fixup-div.c b/drivers/clk/imx/clk-fixup-div.c
index 100ca828b052..aa6addbeb5a8 100644
--- a/drivers/clk/imx/clk-fixup-div.c
+++ b/drivers/clk/imx/clk-fixup-div.c
@@ -18,7 +18,7 @@
* @fixup: a hook to fixup the write value
*
* The imx fixup divider clock is a subclass of basic clk_divider
- * with an addtional fixup hook.
+ * with an additional fixup hook.
*/
struct clk_fixup_div {
struct clk_divider divider;
@@ -41,12 +41,12 @@ static unsigned long clk_fixup_div_recalc_rate(struct clk_hw *hw,
return fixup_div->ops->recalc_rate(&fixup_div->divider.hw, parent_rate);
}
-static long clk_fixup_div_round_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long *prate)
+static int clk_fixup_div_determine_rate(struct clk_hw *hw,
+ struct clk_rate_request *req)
{
struct clk_fixup_div *fixup_div = to_clk_fixup_div(hw);
- return fixup_div->ops->round_rate(&fixup_div->divider.hw, rate, prate);
+ return fixup_div->ops->determine_rate(&fixup_div->divider.hw, req);
}
static int clk_fixup_div_set_rate(struct clk_hw *hw, unsigned long rate,
@@ -81,7 +81,7 @@ static int clk_fixup_div_set_rate(struct clk_hw *hw, unsigned long rate,
static const struct clk_ops clk_fixup_div_ops = {
.recalc_rate = clk_fixup_div_recalc_rate,
- .round_rate = clk_fixup_div_round_rate,
+ .determine_rate = clk_fixup_div_determine_rate,
.set_rate = clk_fixup_div_set_rate,
};
diff --git a/drivers/clk/imx/clk-fixup-mux.c b/drivers/clk/imx/clk-fixup-mux.c
index b48701864ef0..418ac9fe2c26 100644
--- a/drivers/clk/imx/clk-fixup-mux.c
+++ b/drivers/clk/imx/clk-fixup-mux.c
@@ -17,7 +17,7 @@
* @fixup: a hook to fixup the write value
*
* The imx fixup multiplexer clock is a subclass of basic clk_mux
- * with an addtional fixup hook.
+ * with an additional fixup hook.
*/
struct clk_fixup_mux {
struct clk_mux mux;
diff --git a/drivers/clk/imx/clk-frac-pll.c b/drivers/clk/imx/clk-frac-pll.c
index c703056fae85..eb668faaa38f 100644
--- a/drivers/clk/imx/clk-frac-pll.c
+++ b/drivers/clk/imx/clk-frac-pll.c
@@ -119,19 +119,19 @@ static unsigned long clk_pll_recalc_rate(struct clk_hw *hw,
return rate;
}
-static long clk_pll_round_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long *prate)
+static int clk_pll_determine_rate(struct clk_hw *hw,
+ struct clk_rate_request *req)
{
- u64 parent_rate = *prate;
+ u64 parent_rate = req->best_parent_rate;
u32 divff, divfi;
u64 temp64;
parent_rate *= 8;
- rate *= 2;
- temp64 = rate;
+ req->rate *= 2;
+ temp64 = req->rate;
do_div(temp64, parent_rate);
divfi = temp64;
- temp64 = rate - divfi * parent_rate;
+ temp64 = req->rate - divfi * parent_rate;
temp64 *= PLL_FRAC_DENOM;
do_div(temp64, parent_rate);
divff = temp64;
@@ -140,9 +140,11 @@ static long clk_pll_round_rate(struct clk_hw *hw, unsigned long rate,
temp64 *= divff;
do_div(temp64, PLL_FRAC_DENOM);
- rate = parent_rate * divfi + temp64;
+ req->rate = parent_rate * divfi + temp64;
+
+ req->rate = req->rate / 2;
- return rate / 2;
+ return 0;
}
/*
@@ -198,7 +200,7 @@ static const struct clk_ops clk_frac_pll_ops = {
.unprepare = clk_pll_unprepare,
.is_prepared = clk_pll_is_prepared,
.recalc_rate = clk_pll_recalc_rate,
- .round_rate = clk_pll_round_rate,
+ .determine_rate = clk_pll_determine_rate,
.set_rate = clk_pll_set_rate,
};
diff --git a/drivers/clk/imx/clk-fracn-gppll.c b/drivers/clk/imx/clk-fracn-gppll.c
index 85771afd4698..090d60867250 100644
--- a/drivers/clk/imx/clk-fracn-gppll.c
+++ b/drivers/clk/imx/clk-fracn-gppll.c
@@ -134,8 +134,8 @@ imx_get_pll_settings(struct clk_fracn_gppll *pll, unsigned long rate)
return NULL;
}
-static long clk_fracn_gppll_round_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long *prate)
+static int clk_fracn_gppll_determine_rate(struct clk_hw *hw,
+ struct clk_rate_request *req)
{
struct clk_fracn_gppll *pll = to_clk_fracn_gppll(hw);
const struct imx_fracn_gppll_rate_table *rate_table = pll->rate_table;
@@ -143,11 +143,16 @@ static long clk_fracn_gppll_round_rate(struct clk_hw *hw, unsigned long rate,
/* Assuming rate_table is in descending order */
for (i = 0; i < pll->rate_count; i++)
- if (rate >= rate_table[i].rate)
- return rate_table[i].rate;
+ if (req->rate >= rate_table[i].rate) {
+ req->rate = rate_table[i].rate;
+
+ return 0;
+ }
/* return minimum supported value */
- return rate_table[pll->rate_count - 1].rate;
+ req->rate = rate_table[pll->rate_count - 1].rate;
+
+ return 0;
}
static unsigned long clk_fracn_gppll_recalc_rate(struct clk_hw *hw, unsigned long parent_rate)
@@ -345,7 +350,7 @@ static const struct clk_ops clk_fracn_gppll_ops = {
.unprepare = clk_fracn_gppll_unprepare,
.is_prepared = clk_fracn_gppll_is_prepared,
.recalc_rate = clk_fracn_gppll_recalc_rate,
- .round_rate = clk_fracn_gppll_round_rate,
+ .determine_rate = clk_fracn_gppll_determine_rate,
.set_rate = clk_fracn_gppll_set_rate,
};
diff --git a/drivers/clk/imx/clk-gate-exclusive.c b/drivers/clk/imx/clk-gate-exclusive.c
index 77342893bb71..7017e9d4e188 100644
--- a/drivers/clk/imx/clk-gate-exclusive.c
+++ b/drivers/clk/imx/clk-gate-exclusive.c
@@ -18,7 +18,7 @@
* gate clock
*
* The imx exclusive gate clock is a subclass of basic clk_gate
- * with an addtional mask to indicate which other gate bits in the same
+ * with an additional mask to indicate which other gate bits in the same
* register is mutually exclusive to this gate clock.
*/
struct clk_gate_exclusive {
diff --git a/drivers/clk/imx/clk-imx5.c b/drivers/clk/imx/clk-imx5.c
index b82044911603..9c5f489b3975 100644
--- a/drivers/clk/imx/clk-imx5.c
+++ b/drivers/clk/imx/clk-imx5.c
@@ -454,7 +454,7 @@ static void __init mx51_clocks_init(struct device_node *np)
* longer supported. Set to one for better power saving.
*
* The effect of not setting these bits is that MIPI clocks can't be
- * enabled without the IPU clock being enabled aswell.
+ * enabled without the IPU clock being enabled as well.
*/
val = readl(MXC_CCM_CCDR);
val |= 1 << 18;
diff --git a/drivers/clk/imx/clk-imx8-acm.c b/drivers/clk/imx/clk-imx8-acm.c
index c169fe53a35f..790f7e44b11e 100644
--- a/drivers/clk/imx/clk-imx8-acm.c
+++ b/drivers/clk/imx/clk-imx8-acm.c
@@ -22,7 +22,7 @@
* struct clk_imx_acm_pm_domains - structure for multi power domain
* @pd_dev: power domain device
* @pd_dev_link: power domain device link
- * @num_domains: power domain nummber
+ * @num_domains: power domain number
*/
struct clk_imx_acm_pm_domains {
struct device **pd_dev;
diff --git a/drivers/clk/imx/clk-imx8qxp-lpcg.c b/drivers/clk/imx/clk-imx8qxp-lpcg.c
index d0ccaa040225..1dae3410ee99 100644
--- a/drivers/clk/imx/clk-imx8qxp-lpcg.c
+++ b/drivers/clk/imx/clk-imx8qxp-lpcg.c
@@ -267,7 +267,6 @@ static int imx_lpcg_parse_clks_from_dt(struct platform_device *pdev,
if (ret)
goto unreg;
- pm_runtime_mark_last_busy(&pdev->dev);
pm_runtime_put_autosuspend(&pdev->dev);
return 0;
diff --git a/drivers/clk/imx/clk-imx95-blk-ctl.c b/drivers/clk/imx/clk-imx95-blk-ctl.c
index 25974947ad0c..7e88877a6245 100644
--- a/drivers/clk/imx/clk-imx95-blk-ctl.c
+++ b/drivers/clk/imx/clk-imx95-blk-ctl.c
@@ -1,8 +1,9 @@
// SPDX-License-Identifier: GPL-2.0
/*
- * Copyright 2024 NXP
+ * Copyright 2024-2025 NXP
*/
+#include <dt-bindings/clock/nxp,imx94-clock.h>
#include <dt-bindings/clock/nxp,imx95-clock.h>
#include <linux/clk.h>
#include <linux/clk-provider.h>
@@ -156,7 +157,7 @@ static const struct imx95_blk_ctl_dev_data camblk_dev_data = {
.clk_reg_offset = 0,
};
-static const struct imx95_blk_ctl_clk_dev_data lvds_clk_dev_data[] = {
+static const struct imx95_blk_ctl_clk_dev_data imx95_lvds_clk_dev_data[] = {
[IMX95_CLK_DISPMIX_LVDS_PHY_DIV] = {
.name = "ldb_phy_div",
.parent_names = (const char *[]){ "ldbpll", },
@@ -213,17 +214,21 @@ static const struct imx95_blk_ctl_clk_dev_data lvds_clk_dev_data[] = {
},
};
-static const struct imx95_blk_ctl_dev_data lvds_csr_dev_data = {
- .num_clks = ARRAY_SIZE(lvds_clk_dev_data),
- .clk_dev_data = lvds_clk_dev_data,
+static const struct imx95_blk_ctl_dev_data imx95_lvds_csr_dev_data = {
+ .num_clks = ARRAY_SIZE(imx95_lvds_clk_dev_data),
+ .clk_dev_data = imx95_lvds_clk_dev_data,
.clk_reg_offset = 0,
};
-static const struct imx95_blk_ctl_clk_dev_data dispmix_csr_clk_dev_data[] = {
+static const char * const imx95_disp_engine_parents[] = {
+ "videopll1", "dsi_pll", "ldb_pll_div7"
+};
+
+static const struct imx95_blk_ctl_clk_dev_data imx95_dispmix_csr_clk_dev_data[] = {
[IMX95_CLK_DISPMIX_ENG0_SEL] = {
.name = "disp_engine0_sel",
- .parent_names = (const char *[]){"videopll1", "dsi_pll", "ldb_pll_div7", },
- .num_parents = 4,
+ .parent_names = imx95_disp_engine_parents,
+ .num_parents = ARRAY_SIZE(imx95_disp_engine_parents),
.reg = 0,
.bit_idx = 0,
.bit_width = 2,
@@ -232,8 +237,8 @@ static const struct imx95_blk_ctl_clk_dev_data dispmix_csr_clk_dev_data[] = {
},
[IMX95_CLK_DISPMIX_ENG1_SEL] = {
.name = "disp_engine1_sel",
- .parent_names = (const char *[]){"videopll1", "dsi_pll", "ldb_pll_div7", },
- .num_parents = 4,
+ .parent_names = imx95_disp_engine_parents,
+ .num_parents = ARRAY_SIZE(imx95_disp_engine_parents),
.reg = 0,
.bit_idx = 2,
.bit_width = 2,
@@ -242,9 +247,9 @@ static const struct imx95_blk_ctl_clk_dev_data dispmix_csr_clk_dev_data[] = {
}
};
-static const struct imx95_blk_ctl_dev_data dispmix_csr_dev_data = {
- .num_clks = ARRAY_SIZE(dispmix_csr_clk_dev_data),
- .clk_dev_data = dispmix_csr_clk_dev_data,
+static const struct imx95_blk_ctl_dev_data imx95_dispmix_csr_dev_data = {
+ .num_clks = ARRAY_SIZE(imx95_dispmix_csr_clk_dev_data),
+ .clk_dev_data = imx95_dispmix_csr_clk_dev_data,
.clk_reg_offset = 0,
};
@@ -296,6 +301,51 @@ static const struct imx95_blk_ctl_dev_data hsio_blk_ctl_dev_data = {
.clk_reg_offset = 0,
};
+static const struct imx95_blk_ctl_clk_dev_data imx94_lvds_clk_dev_data[] = {
+ [IMX94_CLK_DISPMIX_LVDS_CLK_GATE] = {
+ .name = "lvds_clk_gate",
+ .parent_names = (const char *[]){ "ldbpll", },
+ .num_parents = 1,
+ .reg = 0,
+ .bit_idx = 1,
+ .bit_width = 1,
+ .type = CLK_GATE,
+ .flags = CLK_SET_RATE_PARENT,
+ .flags2 = CLK_GATE_SET_TO_DISABLE,
+ },
+};
+
+static const struct imx95_blk_ctl_dev_data imx94_lvds_csr_dev_data = {
+ .num_clks = ARRAY_SIZE(imx94_lvds_clk_dev_data),
+ .clk_dev_data = imx94_lvds_clk_dev_data,
+ .clk_reg_offset = 0,
+ .rpm_enabled = true,
+};
+
+static const char * const imx94_disp_engine_parents[] = {
+ "disppix", "ldb_pll_div7"
+};
+
+static const struct imx95_blk_ctl_clk_dev_data imx94_dispmix_csr_clk_dev_data[] = {
+ [IMX94_CLK_DISPMIX_CLK_SEL] = {
+ .name = "disp_clk_sel",
+ .parent_names = imx94_disp_engine_parents,
+ .num_parents = ARRAY_SIZE(imx94_disp_engine_parents),
+ .reg = 0,
+ .bit_idx = 1,
+ .bit_width = 1,
+ .type = CLK_MUX,
+ .flags = CLK_SET_RATE_NO_REPARENT | CLK_SET_RATE_PARENT,
+ },
+};
+
+static const struct imx95_blk_ctl_dev_data imx94_dispmix_csr_dev_data = {
+ .num_clks = ARRAY_SIZE(imx94_dispmix_csr_clk_dev_data),
+ .clk_dev_data = imx94_dispmix_csr_clk_dev_data,
+ .clk_reg_offset = 0,
+ .rpm_enabled = true,
+};
+
static int imx95_bc_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
@@ -338,8 +388,10 @@ static int imx95_bc_probe(struct platform_device *pdev)
if (!clk_hw_data)
return -ENOMEM;
- if (bc_data->rpm_enabled)
- pm_runtime_enable(&pdev->dev);
+ if (bc_data->rpm_enabled) {
+ devm_pm_runtime_enable(&pdev->dev);
+ pm_runtime_resume_and_get(&pdev->dev);
+ }
clk_hw_data->num = bc_data->num_clks;
hws = clk_hw_data->hws;
@@ -379,8 +431,10 @@ static int imx95_bc_probe(struct platform_device *pdev)
goto cleanup;
}
- if (pm_runtime_enabled(bc->dev))
+ if (pm_runtime_enabled(bc->dev)) {
+ pm_runtime_put_sync(&pdev->dev);
clk_disable_unprepare(bc->clk_apb);
+ }
return 0;
@@ -391,9 +445,6 @@ cleanup:
clk_hw_unregister(hws[i]);
}
- if (bc_data->rpm_enabled)
- pm_runtime_disable(&pdev->dev);
-
return ret;
}
@@ -462,10 +513,12 @@ static const struct dev_pm_ops imx95_bc_pm_ops = {
};
static const struct of_device_id imx95_bc_of_match[] = {
+ { .compatible = "nxp,imx94-display-csr", .data = &imx94_dispmix_csr_dev_data },
+ { .compatible = "nxp,imx94-lvds-csr", .data = &imx94_lvds_csr_dev_data },
{ .compatible = "nxp,imx95-camera-csr", .data = &camblk_dev_data },
{ .compatible = "nxp,imx95-display-master-csr", },
- { .compatible = "nxp,imx95-lvds-csr", .data = &lvds_csr_dev_data },
- { .compatible = "nxp,imx95-display-csr", .data = &dispmix_csr_dev_data },
+ { .compatible = "nxp,imx95-display-csr", .data = &imx95_dispmix_csr_dev_data },
+ { .compatible = "nxp,imx95-lvds-csr", .data = &imx95_lvds_csr_dev_data },
{ .compatible = "nxp,imx95-hsio-blk-ctl", .data = &hsio_blk_ctl_dev_data },
{ .compatible = "nxp,imx95-vpu-csr", .data = &vpublk_dev_data },
{ .compatible = "nxp,imx95-netcmix-blk-ctrl", .data = &netcmix_dev_data},
diff --git a/drivers/clk/imx/clk-pfd.c b/drivers/clk/imx/clk-pfd.c
index 5cf0149dfa15..31220fa7882b 100644
--- a/drivers/clk/imx/clk-pfd.c
+++ b/drivers/clk/imx/clk-pfd.c
@@ -62,24 +62,26 @@ static unsigned long clk_pfd_recalc_rate(struct clk_hw *hw,
return tmp;
}
-static long clk_pfd_round_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long *prate)
+static int clk_pfd_determine_rate(struct clk_hw *hw,
+ struct clk_rate_request *req)
{
- u64 tmp = *prate;
+ u64 tmp = req->best_parent_rate;
u8 frac;
- tmp = tmp * 18 + rate / 2;
- do_div(tmp, rate);
+ tmp = tmp * 18 + req->rate / 2;
+ do_div(tmp, req->rate);
frac = tmp;
if (frac < 12)
frac = 12;
else if (frac > 35)
frac = 35;
- tmp = *prate;
+ tmp = req->best_parent_rate;
tmp *= 18;
do_div(tmp, frac);
- return tmp;
+ req->rate = tmp;
+
+ return 0;
}
static int clk_pfd_set_rate(struct clk_hw *hw, unsigned long rate,
@@ -117,7 +119,7 @@ static const struct clk_ops clk_pfd_ops = {
.enable = clk_pfd_enable,
.disable = clk_pfd_disable,
.recalc_rate = clk_pfd_recalc_rate,
- .round_rate = clk_pfd_round_rate,
+ .determine_rate = clk_pfd_determine_rate,
.set_rate = clk_pfd_set_rate,
.is_enabled = clk_pfd_is_enabled,
};
diff --git a/drivers/clk/imx/clk-pll14xx.c b/drivers/clk/imx/clk-pll14xx.c
index f290981ea13b..36d0e80b55b8 100644
--- a/drivers/clk/imx/clk-pll14xx.c
+++ b/drivers/clk/imx/clk-pll14xx.c
@@ -216,8 +216,8 @@ found:
t->mdiv, t->kdiv);
}
-static long clk_pll1416x_round_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long *prate)
+static int clk_pll1416x_determine_rate(struct clk_hw *hw,
+ struct clk_rate_request *req)
{
struct clk_pll14xx *pll = to_clk_pll14xx(hw);
const struct imx_pll14xx_rate_table *rate_table = pll->rate_table;
@@ -225,22 +225,29 @@ static long clk_pll1416x_round_rate(struct clk_hw *hw, unsigned long rate,
/* Assuming rate_table is in descending order */
for (i = 0; i < pll->rate_count; i++)
- if (rate >= rate_table[i].rate)
- return rate_table[i].rate;
+ if (req->rate >= rate_table[i].rate) {
+ req->rate = rate_table[i].rate;
+
+ return 0;
+ }
/* return minimum supported value */
- return rate_table[pll->rate_count - 1].rate;
+ req->rate = rate_table[pll->rate_count - 1].rate;
+
+ return 0;
}
-static long clk_pll1443x_round_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long *prate)
+static int clk_pll1443x_determine_rate(struct clk_hw *hw,
+ struct clk_rate_request *req)
{
struct clk_pll14xx *pll = to_clk_pll14xx(hw);
struct imx_pll14xx_rate_table t;
- imx_pll14xx_calc_settings(pll, rate, *prate, &t);
+ imx_pll14xx_calc_settings(pll, req->rate, req->best_parent_rate, &t);
+
+ req->rate = t.rate;
- return t.rate;
+ return 0;
}
static unsigned long clk_pll14xx_recalc_rate(struct clk_hw *hw,
@@ -470,7 +477,7 @@ static const struct clk_ops clk_pll1416x_ops = {
.unprepare = clk_pll14xx_unprepare,
.is_prepared = clk_pll14xx_is_prepared,
.recalc_rate = clk_pll14xx_recalc_rate,
- .round_rate = clk_pll1416x_round_rate,
+ .determine_rate = clk_pll1416x_determine_rate,
.set_rate = clk_pll1416x_set_rate,
};
@@ -483,7 +490,7 @@ static const struct clk_ops clk_pll1443x_ops = {
.unprepare = clk_pll14xx_unprepare,
.is_prepared = clk_pll14xx_is_prepared,
.recalc_rate = clk_pll14xx_recalc_rate,
- .round_rate = clk_pll1443x_round_rate,
+ .determine_rate = clk_pll1443x_determine_rate,
.set_rate = clk_pll1443x_set_rate,
};
diff --git a/drivers/clk/imx/clk-pllv2.c b/drivers/clk/imx/clk-pllv2.c
index ff17f0664faa..bb497ad5e0ae 100644
--- a/drivers/clk/imx/clk-pllv2.c
+++ b/drivers/clk/imx/clk-pllv2.c
@@ -178,18 +178,25 @@ static int clk_pllv2_set_rate(struct clk_hw *hw, unsigned long rate,
return 0;
}
-static long clk_pllv2_round_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long *prate)
+static int clk_pllv2_determine_rate(struct clk_hw *hw,
+ struct clk_rate_request *req)
{
u32 dp_op, dp_mfd, dp_mfn;
int ret;
- ret = __clk_pllv2_set_rate(rate, *prate, &dp_op, &dp_mfd, &dp_mfn);
- if (ret)
- return ret;
+ ret = __clk_pllv2_set_rate(req->rate, req->best_parent_rate, &dp_op,
+ &dp_mfd, &dp_mfn);
+ if (ret) {
+ req->rate = ret;
- return __clk_pllv2_recalc_rate(*prate, MXC_PLL_DP_CTL_DPDCK0_2_EN,
- dp_op, dp_mfd, dp_mfn);
+ return 0;
+ }
+
+ req->rate = __clk_pllv2_recalc_rate(req->best_parent_rate,
+ MXC_PLL_DP_CTL_DPDCK0_2_EN, dp_op,
+ dp_mfd, dp_mfn);
+
+ return 0;
}
static int clk_pllv2_prepare(struct clk_hw *hw)
@@ -235,7 +242,7 @@ static const struct clk_ops clk_pllv2_ops = {
.prepare = clk_pllv2_prepare,
.unprepare = clk_pllv2_unprepare,
.recalc_rate = clk_pllv2_recalc_rate,
- .round_rate = clk_pllv2_round_rate,
+ .determine_rate = clk_pllv2_determine_rate,
.set_rate = clk_pllv2_set_rate,
};
diff --git a/drivers/clk/imx/clk-pllv3.c b/drivers/clk/imx/clk-pllv3.c
index 11fb238ee8f0..b99508367bcb 100644
--- a/drivers/clk/imx/clk-pllv3.c
+++ b/drivers/clk/imx/clk-pllv3.c
@@ -117,13 +117,14 @@ static unsigned long clk_pllv3_recalc_rate(struct clk_hw *hw,
return (div == 1) ? parent_rate * 22 : parent_rate * 20;
}
-static long clk_pllv3_round_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long *prate)
+static int clk_pllv3_determine_rate(struct clk_hw *hw,
+ struct clk_rate_request *req)
{
- unsigned long parent_rate = *prate;
+ unsigned long parent_rate = req->best_parent_rate;
- return (rate >= parent_rate * 22) ? parent_rate * 22 :
- parent_rate * 20;
+ req->rate = (req->rate >= parent_rate * 22) ? parent_rate * 22 : parent_rate * 20;
+
+ return 0;
}
static int clk_pllv3_set_rate(struct clk_hw *hw, unsigned long rate,
@@ -152,7 +153,7 @@ static const struct clk_ops clk_pllv3_ops = {
.unprepare = clk_pllv3_unprepare,
.is_prepared = clk_pllv3_is_prepared,
.recalc_rate = clk_pllv3_recalc_rate,
- .round_rate = clk_pllv3_round_rate,
+ .determine_rate = clk_pllv3_determine_rate,
.set_rate = clk_pllv3_set_rate,
};
@@ -165,21 +166,23 @@ static unsigned long clk_pllv3_sys_recalc_rate(struct clk_hw *hw,
return parent_rate * div / 2;
}
-static long clk_pllv3_sys_round_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long *prate)
+static int clk_pllv3_sys_determine_rate(struct clk_hw *hw,
+ struct clk_rate_request *req)
{
- unsigned long parent_rate = *prate;
+ unsigned long parent_rate = req->best_parent_rate;
unsigned long min_rate = parent_rate * 54 / 2;
unsigned long max_rate = parent_rate * 108 / 2;
u32 div;
- if (rate > max_rate)
- rate = max_rate;
- else if (rate < min_rate)
- rate = min_rate;
- div = rate * 2 / parent_rate;
+ if (req->rate > max_rate)
+ req->rate = max_rate;
+ else if (req->rate < min_rate)
+ req->rate = min_rate;
+ div = req->rate * 2 / parent_rate;
- return parent_rate * div / 2;
+ req->rate = parent_rate * div / 2;
+
+ return 0;
}
static int clk_pllv3_sys_set_rate(struct clk_hw *hw, unsigned long rate,
@@ -207,7 +210,7 @@ static const struct clk_ops clk_pllv3_sys_ops = {
.unprepare = clk_pllv3_unprepare,
.is_prepared = clk_pllv3_is_prepared,
.recalc_rate = clk_pllv3_sys_recalc_rate,
- .round_rate = clk_pllv3_sys_round_rate,
+ .determine_rate = clk_pllv3_sys_determine_rate,
.set_rate = clk_pllv3_sys_set_rate,
};
@@ -226,10 +229,10 @@ static unsigned long clk_pllv3_av_recalc_rate(struct clk_hw *hw,
return parent_rate * div + (unsigned long)temp64;
}
-static long clk_pllv3_av_round_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long *prate)
+static int clk_pllv3_av_determine_rate(struct clk_hw *hw,
+ struct clk_rate_request *req)
{
- unsigned long parent_rate = *prate;
+ unsigned long parent_rate = req->best_parent_rate;
unsigned long min_rate = parent_rate * 27;
unsigned long max_rate = parent_rate * 54;
u32 div;
@@ -237,16 +240,16 @@ static long clk_pllv3_av_round_rate(struct clk_hw *hw, unsigned long rate,
u32 max_mfd = 0x3FFFFFFF;
u64 temp64;
- if (rate > max_rate)
- rate = max_rate;
- else if (rate < min_rate)
- rate = min_rate;
+ if (req->rate > max_rate)
+ req->rate = max_rate;
+ else if (req->rate < min_rate)
+ req->rate = min_rate;
if (parent_rate <= max_mfd)
mfd = parent_rate;
- div = rate / parent_rate;
- temp64 = (u64) (rate - div * parent_rate);
+ div = req->rate / parent_rate;
+ temp64 = (u64) (req->rate - div * parent_rate);
temp64 *= mfd;
temp64 = div64_ul(temp64, parent_rate);
mfn = temp64;
@@ -255,7 +258,9 @@ static long clk_pllv3_av_round_rate(struct clk_hw *hw, unsigned long rate,
temp64 *= mfn;
do_div(temp64, mfd);
- return parent_rate * div + (unsigned long)temp64;
+ req->rate = parent_rate * div + (unsigned long)temp64;
+
+ return 0;
}
static int clk_pllv3_av_set_rate(struct clk_hw *hw, unsigned long rate,
@@ -296,7 +301,7 @@ static const struct clk_ops clk_pllv3_av_ops = {
.unprepare = clk_pllv3_unprepare,
.is_prepared = clk_pllv3_is_prepared,
.recalc_rate = clk_pllv3_av_recalc_rate,
- .round_rate = clk_pllv3_av_round_rate,
+ .determine_rate = clk_pllv3_av_determine_rate,
.set_rate = clk_pllv3_av_set_rate,
};
@@ -355,12 +360,15 @@ static unsigned long clk_pllv3_vf610_recalc_rate(struct clk_hw *hw,
return clk_pllv3_vf610_mf_to_rate(parent_rate, mf);
}
-static long clk_pllv3_vf610_round_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long *prate)
+static int clk_pllv3_vf610_determine_rate(struct clk_hw *hw,
+ struct clk_rate_request *req)
{
- struct clk_pllv3_vf610_mf mf = clk_pllv3_vf610_rate_to_mf(*prate, rate);
+ struct clk_pllv3_vf610_mf mf = clk_pllv3_vf610_rate_to_mf(req->best_parent_rate,
+ req->rate);
+
+ req->rate = clk_pllv3_vf610_mf_to_rate(req->best_parent_rate, mf);
- return clk_pllv3_vf610_mf_to_rate(*prate, mf);
+ return 0;
}
static int clk_pllv3_vf610_set_rate(struct clk_hw *hw, unsigned long rate,
@@ -389,7 +397,7 @@ static const struct clk_ops clk_pllv3_vf610_ops = {
.unprepare = clk_pllv3_unprepare,
.is_prepared = clk_pllv3_is_prepared,
.recalc_rate = clk_pllv3_vf610_recalc_rate,
- .round_rate = clk_pllv3_vf610_round_rate,
+ .determine_rate = clk_pllv3_vf610_determine_rate,
.set_rate = clk_pllv3_vf610_set_rate,
};
diff --git a/drivers/clk/imx/clk-pllv4.c b/drivers/clk/imx/clk-pllv4.c
index 9b136c951762..01d05b5d5438 100644
--- a/drivers/clk/imx/clk-pllv4.c
+++ b/drivers/clk/imx/clk-pllv4.c
@@ -95,11 +95,11 @@ static unsigned long clk_pllv4_recalc_rate(struct clk_hw *hw,
return (parent_rate * mult) + (u32)temp64;
}
-static long clk_pllv4_round_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long *prate)
+static int clk_pllv4_determine_rate(struct clk_hw *hw,
+ struct clk_rate_request *req)
{
struct clk_pllv4 *pll = to_clk_pllv4(hw);
- unsigned long parent_rate = *prate;
+ unsigned long parent_rate = req->best_parent_rate;
unsigned long round_rate, i;
u32 mfn, mfd = DEFAULT_MFD;
bool found = false;
@@ -107,7 +107,7 @@ static long clk_pllv4_round_rate(struct clk_hw *hw, unsigned long rate,
u32 mult;
if (pll->use_mult_range) {
- temp64 = (u64)rate;
+ temp64 = (u64) req->rate;
do_div(temp64, parent_rate);
mult = temp64;
if (mult >= pllv4_mult_range[1] &&
@@ -118,7 +118,7 @@ static long clk_pllv4_round_rate(struct clk_hw *hw, unsigned long rate,
} else {
for (i = 0; i < ARRAY_SIZE(pllv4_mult_table); i++) {
round_rate = parent_rate * pllv4_mult_table[i];
- if (rate >= round_rate) {
+ if (req->rate >= round_rate) {
found = true;
break;
}
@@ -127,14 +127,16 @@ static long clk_pllv4_round_rate(struct clk_hw *hw, unsigned long rate,
if (!found) {
pr_warn("%s: unable to round rate %lu, parent rate %lu\n",
- clk_hw_get_name(hw), rate, parent_rate);
+ clk_hw_get_name(hw), req->rate, parent_rate);
+ req->rate = 0;
+
return 0;
}
if (parent_rate <= MAX_MFD)
mfd = parent_rate;
- temp64 = (u64)(rate - round_rate);
+ temp64 = (u64)(req->rate - round_rate);
temp64 *= mfd;
do_div(temp64, parent_rate);
mfn = temp64;
@@ -145,14 +147,19 @@ static long clk_pllv4_round_rate(struct clk_hw *hw, unsigned long rate,
* pair of mfn/mfd, we simply return the round_rate without using
* the frac part.
*/
- if (mfn >= mfd)
- return round_rate;
+ if (mfn >= mfd) {
+ req->rate = round_rate;
+
+ return 0;
+ }
temp64 = (u64)parent_rate;
temp64 *= mfn;
do_div(temp64, mfd);
- return round_rate + (u32)temp64;
+ req->rate = round_rate + (u32)temp64;
+
+ return 0;
}
static bool clk_pllv4_is_valid_mult(struct clk_pllv4 *pll, unsigned int mult)
@@ -229,7 +236,7 @@ static void clk_pllv4_unprepare(struct clk_hw *hw)
static const struct clk_ops clk_pllv4_ops = {
.recalc_rate = clk_pllv4_recalc_rate,
- .round_rate = clk_pllv4_round_rate,
+ .determine_rate = clk_pllv4_determine_rate,
.set_rate = clk_pllv4_set_rate,
.prepare = clk_pllv4_prepare,
.unprepare = clk_pllv4_unprepare,
diff --git a/drivers/clk/imx/clk-scu.c b/drivers/clk/imx/clk-scu.c
index b27186aaf2a1..34c9dc1fb20e 100644
--- a/drivers/clk/imx/clk-scu.c
+++ b/drivers/clk/imx/clk-scu.c
@@ -269,24 +269,6 @@ static int clk_scu_determine_rate(struct clk_hw *hw,
return 0;
}
-/*
- * clk_scu_round_rate - Round clock rate for a SCU clock
- * @hw: clock to round rate for
- * @rate: rate to round
- * @parent_rate: parent rate provided by common clock framework, not used
- *
- * Returns the current clock rate, or zero in failure.
- */
-static long clk_scu_round_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long *parent_rate)
-{
- /*
- * Assume we support all the requested rate and let the SCU firmware
- * to handle the left work
- */
- return rate;
-}
-
static int clk_scu_atf_set_cpu_rate(struct clk_hw *hw, unsigned long rate,
unsigned long parent_rate)
{
@@ -454,7 +436,7 @@ static const struct clk_ops clk_scu_ops = {
static const struct clk_ops clk_scu_cpu_ops = {
.recalc_rate = clk_scu_recalc_rate,
- .round_rate = clk_scu_round_rate,
+ .determine_rate = clk_scu_determine_rate,
.set_rate = clk_scu_atf_set_cpu_rate,
.prepare = clk_scu_prepare,
.unprepare = clk_scu_unprepare,
@@ -462,7 +444,7 @@ static const struct clk_ops clk_scu_cpu_ops = {
static const struct clk_ops clk_scu_pi_ops = {
.recalc_rate = clk_scu_recalc_rate,
- .round_rate = clk_scu_round_rate,
+ .determine_rate = clk_scu_determine_rate,
.set_rate = clk_scu_set_rate,
};
@@ -567,7 +549,6 @@ static int imx_clk_scu_probe(struct platform_device *pdev)
if (!((clk->rsrc == IMX_SC_R_A35) || (clk->rsrc == IMX_SC_R_A53) ||
(clk->rsrc == IMX_SC_R_A72))) {
- pm_runtime_mark_last_busy(&pdev->dev);
pm_runtime_put_autosuspend(&pdev->dev);
}
@@ -729,7 +710,7 @@ struct clk_hw *imx_clk_scu_alloc_dev(const char *name,
if (ret)
goto put_device;
- /* For API backwards compatiblilty, simply return NULL for success */
+ /* For API backwards compatibility, simply return NULL for success */
return NULL;
put_device:
@@ -766,15 +747,15 @@ static unsigned long clk_gpr_div_scu_recalc_rate(struct clk_hw *hw,
return err ? 0 : rate;
}
-static long clk_gpr_div_scu_round_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long *prate)
+static int clk_gpr_div_scu_determine_rate(struct clk_hw *hw,
+ struct clk_rate_request *req)
{
- if (rate < *prate)
- rate = *prate / 2;
+ if (req->rate < req->best_parent_rate)
+ req->rate = req->best_parent_rate / 2;
else
- rate = *prate;
+ req->rate = req->best_parent_rate;
- return rate;
+ return 0;
}
static int clk_gpr_div_scu_set_rate(struct clk_hw *hw, unsigned long rate,
@@ -793,7 +774,7 @@ static int clk_gpr_div_scu_set_rate(struct clk_hw *hw, unsigned long rate,
static const struct clk_ops clk_gpr_div_scu_ops = {
.recalc_rate = clk_gpr_div_scu_recalc_rate,
- .round_rate = clk_gpr_div_scu_round_rate,
+ .determine_rate = clk_gpr_div_scu_determine_rate,
.set_rate = clk_gpr_div_scu_set_rate,
};
generated by cgit (git 2.34.1) at 2025-08-01 06:24:44 +0000