Based on Linux i.MX93 clock support as of Linux-6.6
Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
---
drivers/clk/imx/Makefile | 1 +
drivers/clk/imx/clk-composite-93.c | 216 ++++++++++++++++
drivers/clk/imx/clk-fracn-gppll.c | 392 +++++++++++++++++++++++++++++
drivers/clk/imx/clk-gate-93.c | 186 ++++++++++++++
drivers/clk/imx/clk-imx93.c | 331 ++++++++++++++++++++++++
drivers/clk/imx/clk.h | 42 ++++
6 files changed, 1168 insertions(+)
create mode 100644 drivers/clk/imx/clk-composite-93.c
create mode 100644 drivers/clk/imx/clk-fracn-gppll.c
create mode 100644 drivers/clk/imx/clk-gate-93.c
create mode 100644 drivers/clk/imx/clk-imx93.c
diff --git a/drivers/clk/imx/Makefile b/drivers/clk/imx/Makefile
index 4a792422d5..eb9f8334c3 100644
--- a/drivers/clk/imx/Makefile
+++ b/drivers/clk/imx/Makefile
@@ -34,4 +34,5 @@ obj-$(CONFIG_ARCH_IMX8MM) += clk-imx8mm.o
obj-$(CONFIG_ARCH_IMX8MN) += clk-imx8mn.o
obj-$(CONFIG_ARCH_IMX8MP) += clk-imx8mp.o
obj-$(CONFIG_ARCH_IMX8MQ) += clk-imx8mq.o
+obj-$(CONFIG_ARCH_IMX93) += clk-imx93.o clk-composite-93.o clk-gate-93.o clk-fracn-gppll.o
obj-$(CONFIG_ARCH_VF610) += clk-vf610.o
diff --git a/drivers/clk/imx/clk-composite-93.c b/drivers/clk/imx/clk-composite-93.c
new file mode 100644
index 0000000000..2b3753d569
--- /dev/null
+++ b/drivers/clk/imx/clk-composite-93.c
@@ -0,0 +1,216 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2021 NXP
+ *
+ * Peng Fan <peng.fan@xxxxxxx>
+ */
+
+#include <io.h>
+#include <linux/clk.h>
+#include <linux/err.h>
+#include <linux/types.h>
+#include <of_address.h>
+#include <linux/iopoll.h>
+
+#include "clk.h"
+
+#define TIMEOUT_US 500U
+
+#define CCM_DIV_SHIFT 0
+#define CCM_DIV_WIDTH 8
+#define CCM_MUX_SHIFT 8
+#define CCM_MUX_MASK 3
+#define CCM_OFF_SHIFT 24
+#define CCM_BUSY_SHIFT 28
+
+#define STAT_OFFSET 0x4
+#define AUTHEN_OFFSET 0x30
+#define TZ_NS_SHIFT 9
+#define TZ_NS_MASK BIT(9)
+
+#define WHITE_LIST_SHIFT 16
+
+static int imx93_clk_composite_wait_ready(struct clk_hw *hw, void __iomem *reg)
+{
+ int ret;
+ u32 val;
+
+ ret = readl_poll_timeout(reg + STAT_OFFSET, val, !(val & BIT(CCM_BUSY_SHIFT)),
+ TIMEOUT_US);
+ if (ret)
+ pr_err("Slice[%s] busy timeout\n", clk_hw_get_name(hw));
+
+ return ret;
+}
+
+static void imx93_clk_composite_gate_endisable(struct clk_hw *hw, int enable)
+{
+ struct clk_gate *gate = to_clk_gate(hw);
+ u32 reg;
+
+ reg = readl(gate->reg);
+
+ if (enable)
+ reg &= ~BIT(gate->shift);
+ else
+ reg |= BIT(gate->shift);
+
+ writel(reg, gate->reg);
+
+ imx93_clk_composite_wait_ready(hw, gate->reg);
+}
+
+static int imx93_clk_composite_gate_enable(struct clk_hw *hw)
+{
+ imx93_clk_composite_gate_endisable(hw, 1);
+
+ return 0;
+}
+
+static void imx93_clk_composite_gate_disable(struct clk_hw *hw)
+{
+ imx93_clk_composite_gate_endisable(hw, 0);
+}
+
+static const struct clk_ops imx93_clk_composite_gate_ops = {
+ .enable = imx93_clk_composite_gate_enable,
+ .disable = imx93_clk_composite_gate_disable,
+ .is_enabled = clk_gate_is_enabled,
+};
+
+static unsigned long
+imx93_clk_composite_divider_recalc_rate(struct clk_hw *hw, unsigned long parent_rate)
+{
+ 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_set_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long parent_rate)
+{
+ struct clk_divider *divider = to_clk_divider(hw);
+ int value;
+ u32 val;
+ int ret;
+
+ value = divider_get_val(rate, parent_rate, divider->table, divider->width, divider->flags);
+ if (value < 0)
+ return value;
+
+ val = readl(divider->reg);
+ val &= ~(clk_div_mask(divider->width) << divider->shift);
+ val |= (u32)value << divider->shift;
+ writel(val, divider->reg);
+
+ ret = imx93_clk_composite_wait_ready(hw, divider->reg);
+
+ return ret;
+}
+
+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,
+ .set_rate = imx93_clk_composite_divider_set_rate,
+};
+
+static int imx93_clk_composite_mux_get_parent(struct clk_hw *hw)
+{
+ return clk_mux_ops.get_parent(hw);
+}
+
+static int imx93_clk_composite_mux_set_parent(struct clk_hw *hw, u8 index)
+{
+ struct clk_mux *mux = to_clk_mux(hw);
+ u32 val = clk_mux_index_to_val(mux->table, mux->flags, index);
+ u32 reg;
+ int ret;
+
+ reg = readl(mux->reg);
+ reg &= ~(((1 << mux->width) - 1) << mux->shift);
+ val = val << mux->shift;
+ reg |= val;
+ writel(reg, mux->reg);
+
+ ret = imx93_clk_composite_wait_ready(hw, mux->reg);
+
+ return ret;
+}
+
+static const struct clk_ops imx93_clk_composite_mux_ops = {
+ .get_parent = imx93_clk_composite_mux_get_parent,
+ .set_parent = imx93_clk_composite_mux_set_parent,
+};
+
+struct clk *imx93_clk_composite_flags(const char *name, const char * const *parent_names,
+ int num_parents, void __iomem *reg, u32 domain_id,
+ unsigned long flags)
+{
+ struct clk_hw *hw = ERR_PTR(-ENOMEM), *mux_hw;
+ struct clk_hw *div_hw, *gate_hw;
+ struct clk_divider *div = NULL;
+ struct clk_gate *gate = NULL;
+ struct clk_mux *mux = NULL;
+ bool clk_ro = false;
+ u32 authen;
+
+ mux = kzalloc(sizeof(*mux), GFP_KERNEL);
+ if (!mux)
+ goto fail;
+
+ mux_hw = &mux->hw;
+ mux->reg = reg;
+ mux->shift = CCM_MUX_SHIFT;
+ mux->width = 2;
+
+ div = kzalloc(sizeof(*div), GFP_KERNEL);
+ if (!div)
+ goto fail;
+
+ div_hw = &div->hw;
+ div->reg = reg;
+ div->shift = CCM_DIV_SHIFT;
+ div->width = CCM_DIV_WIDTH;
+// div->flags = CLK_DIVIDER_ROUND_CLOSEST;
+
+ authen = readl(reg + AUTHEN_OFFSET);
+ if (!(authen & TZ_NS_MASK) || !(authen & BIT(WHITE_LIST_SHIFT + domain_id)))
+ clk_ro = true;
+
+ if (clk_ro) {
+ hw = clk_hw_register_composite(NULL, name, parent_names, num_parents,
+ mux_hw, &clk_mux_ro_ops, div_hw,
+ &clk_divider_ro_ops, NULL, NULL, flags);
+ } else {
+ gate = kzalloc(sizeof(*gate), GFP_KERNEL);
+ if (!gate)
+ goto fail;
+
+ gate_hw = &gate->hw;
+ gate->reg = reg;
+ gate->shift = CCM_OFF_SHIFT;
+ gate->flags = CLK_GATE_SET_TO_DISABLE;
+
+ hw = clk_hw_register_composite(NULL, name, parent_names, num_parents,
+ mux_hw, &imx93_clk_composite_mux_ops, div_hw,
+ &imx93_clk_composite_divider_ops, gate_hw,
+ &imx93_clk_composite_gate_ops,
+ flags | CLK_SET_RATE_NO_REPARENT);
+ }
+
+ if (IS_ERR(hw))
+ goto fail;
+
+ return &hw->clk;
+
+fail:
+ kfree(gate);
+ kfree(div);
+ kfree(mux);
+ return ERR_CAST(hw);
+}
+EXPORT_SYMBOL_GPL(imx93_clk_composite_flags);
diff --git a/drivers/clk/imx/clk-fracn-gppll.c b/drivers/clk/imx/clk-fracn-gppll.c
new file mode 100644
index 0000000000..5fbc79f948
--- /dev/null
+++ b/drivers/clk/imx/clk-fracn-gppll.c
@@ -0,0 +1,392 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2021 NXP
+ */
+
+#include <io.h>
+#include <linux/clk.h>
+#include <linux/err.h>
+#include <linux/types.h>
+#include <of_address.h>
+#include <linux/iopoll.h>
+#include <linux/bitfield.h>
+
+#include "clk.h"
+
+#define PLL_CTRL 0x0
+#define HW_CTRL_SEL BIT(16)
+#define CLKMUX_BYPASS BIT(2)
+#define CLKMUX_EN BIT(1)
+#define POWERUP_MASK BIT(0)
+
+#define PLL_ANA_PRG 0x10
+#define PLL_SPREAD_SPECTRUM 0x30
+
+#define PLL_NUMERATOR 0x40
+#define PLL_MFN_MASK GENMASK(31, 2)
+
+#define PLL_DENOMINATOR 0x50
+#define PLL_MFD_MASK GENMASK(29, 0)
+
+#define PLL_DIV 0x60
+#define PLL_MFI_MASK GENMASK(24, 16)
+#define PLL_RDIV_MASK GENMASK(15, 13)
+#define PLL_ODIV_MASK GENMASK(7, 0)
+
+#define PLL_DFS_CTRL(x) (0x70 + (x) * 0x10)
+
+#define PLL_STATUS 0xF0
+#define LOCK_STATUS BIT(0)
+
+#define DFS_STATUS 0xF4
+
+#define LOCK_TIMEOUT_US 200
+
+#define PLL_FRACN_GP(_rate, _mfi, _mfn, _mfd, _rdiv, _odiv) \
+ { \
+ .rate = (_rate), \
+ .mfi = (_mfi), \
+ .mfn = (_mfn), \
+ .mfd = (_mfd), \
+ .rdiv = (_rdiv), \
+ .odiv = (_odiv), \
+ }
+
+#define PLL_FRACN_GP_INTEGER(_rate, _mfi, _rdiv, _odiv) \
+ { \
+ .rate = (_rate), \
+ .mfi = (_mfi), \
+ .mfn = 0, \
+ .mfd = 0, \
+ .rdiv = (_rdiv), \
+ .odiv = (_odiv), \
+ }
+
+struct clk_fracn_gppll {
+ struct clk_hw hw;
+ void __iomem *base;
+ const struct imx_fracn_gppll_rate_table *rate_table;
+ int rate_count;
+ u32 flags;
+};
+
+/*
+ * Fvco = (Fref / rdiv) * (MFI + MFN / MFD)
+ * Fout = Fvco / odiv
+ * The (Fref / rdiv) should be in range 20MHz to 40MHz
+ * The Fvco should be in range 2.5Ghz to 5Ghz
+ */
+static const struct imx_fracn_gppll_rate_table fracn_tbl[] = {
+ PLL_FRACN_GP(650000000U, 162, 50, 100, 0, 6),
+ PLL_FRACN_GP(594000000U, 198, 0, 1, 0, 8),
+ PLL_FRACN_GP(560000000U, 140, 0, 1, 0, 6),
+ PLL_FRACN_GP(519750000U, 173, 25, 100, 1, 8),
+ PLL_FRACN_GP(498000000U, 166, 0, 1, 0, 8),
+ PLL_FRACN_GP(484000000U, 121, 0, 1, 0, 6),
+ PLL_FRACN_GP(445333333U, 167, 0, 1, 0, 9),
+ PLL_FRACN_GP(400000000U, 200, 0, 1, 0, 12),
+ PLL_FRACN_GP(393216000U, 163, 84, 100, 0, 10),
+ PLL_FRACN_GP(300000000U, 150, 0, 1, 0, 12)
+};
+
+struct imx_fracn_gppll_clk imx_fracn_gppll = {
+ .rate_table = fracn_tbl,
+ .rate_count = ARRAY_SIZE(fracn_tbl),
+};
+EXPORT_SYMBOL_GPL(imx_fracn_gppll);
+
+/*
+ * Fvco = (Fref / rdiv) * MFI
+ * Fout = Fvco / odiv
+ * The (Fref / rdiv) should be in range 20MHz to 40MHz
+ * The Fvco should be in range 2.5Ghz to 5Ghz
+ */
+static const struct imx_fracn_gppll_rate_table int_tbl[] = {
+ PLL_FRACN_GP_INTEGER(1700000000U, 141, 1, 2),
+ PLL_FRACN_GP_INTEGER(1400000000U, 175, 1, 3),
+ PLL_FRACN_GP_INTEGER(900000000U, 150, 1, 4),
+};
+
+struct imx_fracn_gppll_clk imx_fracn_gppll_integer = {
+ .rate_table = int_tbl,
+ .rate_count = ARRAY_SIZE(int_tbl),
+};
+EXPORT_SYMBOL_GPL(imx_fracn_gppll_integer);
+
+static inline struct clk_fracn_gppll *to_clk_fracn_gppll(struct clk_hw *hw)
+{
+ return container_of(hw, struct clk_fracn_gppll, hw);
+}
+
+static const struct imx_fracn_gppll_rate_table *
+imx_get_pll_settings(struct clk_fracn_gppll *pll, unsigned long rate)
+{
+ const struct imx_fracn_gppll_rate_table *rate_table = pll->rate_table;
+ int i;
+
+ for (i = 0; i < pll->rate_count; i++)
+ if (rate == rate_table[i].rate)
+ return &rate_table[i];
+
+ return NULL;
+}
+
+static long clk_fracn_gppll_round_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long *prate)
+{
+ struct clk_fracn_gppll *pll = to_clk_fracn_gppll(hw);
+ const struct imx_fracn_gppll_rate_table *rate_table = pll->rate_table;
+ int i;
+
+ /* 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;
+
+ /* return minimum supported value */
+ return rate_table[pll->rate_count - 1].rate;
+}
+
+static unsigned long clk_fracn_gppll_recalc_rate(struct clk_hw *hw, unsigned long parent_rate)
+{
+ struct clk_fracn_gppll *pll = to_clk_fracn_gppll(hw);
+ const struct imx_fracn_gppll_rate_table *rate_table = pll->rate_table;
+ u32 pll_numerator, pll_denominator, pll_div;
+ u32 mfi, mfn, mfd, rdiv, odiv;
+ u64 fvco = parent_rate;
+ long rate = 0;
+ int i;
+
+ pll_numerator = readl_relaxed(pll->base + PLL_NUMERATOR);
+ mfn = FIELD_GET(PLL_MFN_MASK, pll_numerator);
+
+ pll_denominator = readl_relaxed(pll->base + PLL_DENOMINATOR);
+ mfd = FIELD_GET(PLL_MFD_MASK, pll_denominator);
+
+ pll_div = readl_relaxed(pll->base + PLL_DIV);
+ mfi = FIELD_GET(PLL_MFI_MASK, pll_div);
+
+ rdiv = FIELD_GET(PLL_RDIV_MASK, pll_div);
+ odiv = FIELD_GET(PLL_ODIV_MASK, pll_div);
+
+ /*
+ * Sometimes, the recalculated rate has deviation due to
+ * the frac part. So find the accurate pll rate from the table
+ * first, if no match rate in the table, use the rate calculated
+ * from the equation below.
+ */
+ for (i = 0; i < pll->rate_count; i++) {
+ if (rate_table[i].mfn == mfn && rate_table[i].mfi == mfi &&
+ rate_table[i].mfd == mfd && rate_table[i].rdiv == rdiv &&
+ rate_table[i].odiv == odiv)
+ rate = rate_table[i].rate;
+ }
+
+ if (rate)
+ return (unsigned long)rate;
+
+ if (!rdiv)
+ rdiv = rdiv + 1;
+
+ switch (odiv) {
+ case 0:
+ odiv = 2;
+ break;
+ case 1:
+ odiv = 3;
+ break;
+ default:
+ break;
+ }
+
+ if (pll->flags & CLK_FRACN_GPPLL_INTEGER) {
+ /* Fvco = (Fref / rdiv) * MFI */
+ fvco = fvco * mfi;
+ do_div(fvco, rdiv * odiv);
+ } else {
+ /* Fvco = (Fref / rdiv) * (MFI + MFN / MFD) */
+ fvco = fvco * mfi * mfd + fvco * mfn;
+ do_div(fvco, mfd * rdiv * odiv);
+ }
+
+ return (unsigned long)fvco;
+}
+
+static int clk_fracn_gppll_wait_lock(struct clk_fracn_gppll *pll)
+{
+ u32 val;
+
+ return readl_poll_timeout(pll->base + PLL_STATUS, val,
+ val & LOCK_STATUS, LOCK_TIMEOUT_US);
+}
+
+static int clk_fracn_gppll_set_rate(struct clk_hw *hw, unsigned long drate,
+ unsigned long prate)
+{
+ struct clk_fracn_gppll *pll = to_clk_fracn_gppll(hw);
+ const struct imx_fracn_gppll_rate_table *rate;
+ u32 tmp, pll_div, ana_mfn;
+ int ret;
+
+ rate = imx_get_pll_settings(pll, drate);
+
+ /* Hardware control select disable. PLL is control by register */
+ tmp = readl_relaxed(pll->base + PLL_CTRL);
+ tmp &= ~HW_CTRL_SEL;
+ writel_relaxed(tmp, pll->base + PLL_CTRL);
+
+ /* Disable output */
+ tmp = readl_relaxed(pll->base + PLL_CTRL);
+ tmp &= ~CLKMUX_EN;
+ writel_relaxed(tmp, pll->base + PLL_CTRL);
+
+ /* Power Down */
+ tmp &= ~POWERUP_MASK;
+ writel_relaxed(tmp, pll->base + PLL_CTRL);
+
+ /* Disable BYPASS */
+ tmp &= ~CLKMUX_BYPASS;
+ writel_relaxed(tmp, pll->base + PLL_CTRL);
+
+ pll_div = FIELD_PREP(PLL_RDIV_MASK, rate->rdiv) | rate->odiv |
+ FIELD_PREP(PLL_MFI_MASK, rate->mfi);
+ writel_relaxed(pll_div, pll->base + PLL_DIV);
+ if (pll->flags & CLK_FRACN_GPPLL_FRACN) {
+ writel_relaxed(rate->mfd, pll->base + PLL_DENOMINATOR);
+ writel_relaxed(FIELD_PREP(PLL_MFN_MASK, rate->mfn), pll->base + PLL_NUMERATOR);
+ }
+
+ /* Wait for 5us according to fracn mode pll doc */
+ udelay(5);
+
+ /* Enable Powerup */
+ tmp |= POWERUP_MASK;
+ writel_relaxed(tmp, pll->base + PLL_CTRL);
+
+ /* Wait Lock */
+ ret = clk_fracn_gppll_wait_lock(pll);
+ if (ret)
+ return ret;
+
+ /* Enable output */
+ tmp |= CLKMUX_EN;
+ writel_relaxed(tmp, pll->base + PLL_CTRL);
+
+ ana_mfn = readl_relaxed(pll->base + PLL_STATUS);
+ ana_mfn = FIELD_GET(PLL_MFN_MASK, ana_mfn);
+
+ WARN(ana_mfn != rate->mfn, "ana_mfn != rate->mfn\n");
+
+ return 0;
+}
+
+static int clk_fracn_gppll_prepare(struct clk_hw *hw)
+{
+ struct clk_fracn_gppll *pll = to_clk_fracn_gppll(hw);
+ u32 val;
+ int ret;
+
+ val = readl_relaxed(pll->base + PLL_CTRL);
+ if (val & POWERUP_MASK)
+ return 0;
+
+ val |= CLKMUX_BYPASS;
+ writel_relaxed(val, pll->base + PLL_CTRL);
+
+ val |= POWERUP_MASK;
+ writel_relaxed(val, pll->base + PLL_CTRL);
+
+ val |= CLKMUX_EN;
+ writel_relaxed(val, pll->base + PLL_CTRL);
+
+ ret = clk_fracn_gppll_wait_lock(pll);
+ if (ret)
+ return ret;
+
+ val &= ~CLKMUX_BYPASS;
+ writel_relaxed(val, pll->base + PLL_CTRL);
+
+ return 0;
+}
+
+static int clk_fracn_gppll_is_prepared(struct clk_hw *hw)
+{
+ struct clk_fracn_gppll *pll = to_clk_fracn_gppll(hw);
+ u32 val;
+
+ val = readl_relaxed(pll->base + PLL_CTRL);
+
+ return (val & POWERUP_MASK) ? 1 : 0;
+}
+
+static void clk_fracn_gppll_unprepare(struct clk_hw *hw)
+{
+ struct clk_fracn_gppll *pll = to_clk_fracn_gppll(hw);
+ u32 val;
+
+ val = readl_relaxed(pll->base + PLL_CTRL);
+ val &= ~POWERUP_MASK;
+ writel_relaxed(val, pll->base + PLL_CTRL);
+}
+
+static const struct clk_ops clk_fracn_gppll_ops = {
+ .enable = clk_fracn_gppll_prepare,
+ .disable = clk_fracn_gppll_unprepare,
+ .is_enabled = clk_fracn_gppll_is_prepared,
+ .recalc_rate = clk_fracn_gppll_recalc_rate,
+ .round_rate = clk_fracn_gppll_round_rate,
+ .set_rate = clk_fracn_gppll_set_rate,
+};
+
+static struct clk *_imx_clk_fracn_gppll(const char *name, const char *parent_name,
+ void __iomem *base,
+ const struct imx_fracn_gppll_clk *pll_clk,
+ u32 pll_flags)
+{
+ struct clk_fracn_gppll *pll;
+ struct clk_hw *hw;
+ struct clk_init_data init;
+ int ret;
+
+ pll = kzalloc(sizeof(*pll), GFP_KERNEL);
+ if (!pll)
+ return ERR_PTR(-ENOMEM);
+
+ init.name = name;
+ init.flags = pll_clk->flags;
+ init.parent_names = &parent_name;
+ init.num_parents = 1;
+ init.ops = &clk_fracn_gppll_ops;
+
+ pll->base = base;
+ pll->hw.init = &init;
+ pll->rate_table = pll_clk->rate_table;
+ pll->rate_count = pll_clk->rate_count;
+ pll->flags = pll_flags;
+
+ hw = &pll->hw;
+
+ ret = clk_hw_register(NULL, hw);
+ if (ret) {
+ pr_err("%s: failed to register pll %s %d\n", __func__, name, ret);
+ kfree(pll);
+ return ERR_PTR(ret);
+ }
+
+ return &hw->clk;
+}
+
+struct clk *imx_clk_fracn_gppll(const char *name, const char *parent_name, void __iomem *base,
+ const struct imx_fracn_gppll_clk *pll_clk)
+{
+ return _imx_clk_fracn_gppll(name, parent_name, base, pll_clk, CLK_FRACN_GPPLL_FRACN);
+}
+EXPORT_SYMBOL_GPL(imx_clk_fracn_gppll);
+
+struct clk *imx_clk_fracn_gppll_integer(const char *name, const char *parent_name,
+ void __iomem *base,
+ const struct imx_fracn_gppll_clk *pll_clk)
+{
+ return _imx_clk_fracn_gppll(name, parent_name, base, pll_clk, CLK_FRACN_GPPLL_INTEGER);
+}
+EXPORT_SYMBOL_GPL(imx_clk_fracn_gppll_integer);
diff --git a/drivers/clk/imx/clk-gate-93.c b/drivers/clk/imx/clk-gate-93.c
new file mode 100644
index 0000000000..ed2714a03c
--- /dev/null
+++ b/drivers/clk/imx/clk-gate-93.c
@@ -0,0 +1,186 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2022 NXP
+ *
+ * Peng Fan <peng.fan@xxxxxxx>
+ */
+
+#include <io.h>
+#include <linux/clk.h>
+#include <linux/err.h>
+#include <linux/types.h>
+#include <of_address.h>
+#include <linux/iopoll.h>
+
+#include "clk.h"
+
+#define DIRECT_OFFSET 0x0
+
+/*
+ * 0b000 - LPCG will be OFF in any CPU mode.
+ * 0b100 - LPCG will be ON in any CPU mode.
+ */
+#define LPM_SETTING_OFF 0x0
+#define LPM_SETTING_ON 0x4
+
+#define LPM_CUR_OFFSET 0x1c
+
+#define AUTHEN_OFFSET 0x30
+#define CPULPM_EN BIT(2)
+#define TZ_NS_SHIFT 9
+#define TZ_NS_MASK BIT(9)
+
+#define WHITE_LIST_SHIFT 16
+
+struct imx93_clk_gate {
+ struct clk_hw hw;
+ void __iomem *reg;
+ u32 bit_idx;
+ u32 val;
+ u32 mask;
+ spinlock_t *lock;
+ unsigned int *share_count;
+};
+
+#define to_imx93_clk_gate(_hw) container_of(_hw, struct imx93_clk_gate, hw)
+
+static void imx93_clk_gate_do_hardware(struct clk_hw *hw, bool enable)
+{
+ struct imx93_clk_gate *gate = to_imx93_clk_gate(hw);
+ u32 val;
+
+ val = readl(gate->reg + AUTHEN_OFFSET);
+ if (val & CPULPM_EN) {
+ val = enable ? LPM_SETTING_ON : LPM_SETTING_OFF;
+ writel(val, gate->reg + LPM_CUR_OFFSET);
+ } else {
+ val = readl(gate->reg + DIRECT_OFFSET);
+ val &= ~(gate->mask << gate->bit_idx);
+ if (enable)
+ val |= (gate->val & gate->mask) << gate->bit_idx;
+ writel(val, gate->reg + DIRECT_OFFSET);
+ }
+}
+
+static int imx93_clk_gate_enable(struct clk_hw *hw)
+{
+ struct imx93_clk_gate *gate = to_imx93_clk_gate(hw);
+ unsigned long flags;
+
+ spin_lock_irqsave(gate->lock, flags);
+
+ if (gate->share_count && (*gate->share_count)++ > 0)
+ goto out;
+
+ imx93_clk_gate_do_hardware(hw, true);
+out:
+ spin_unlock_irqrestore(gate->lock, flags);
+
+ return 0;
+}
+
+static void imx93_clk_gate_disable(struct clk_hw *hw)
+{
+ struct imx93_clk_gate *gate = to_imx93_clk_gate(hw);
+ unsigned long flags;
+
+ spin_lock_irqsave(gate->lock, flags);
+
+ if (gate->share_count) {
+ if (WARN_ON(*gate->share_count == 0))
+ goto out;
+ else if (--(*gate->share_count) > 0)
+ goto out;
+ }
+
+ imx93_clk_gate_do_hardware(hw, false);
+out:
+ spin_unlock_irqrestore(gate->lock, flags);
+}
+
+static int imx93_clk_gate_reg_is_enabled(struct imx93_clk_gate *gate)
+{
+ u32 val = readl(gate->reg + AUTHEN_OFFSET);
+
+ if (val & CPULPM_EN) {
+ val = readl(gate->reg + LPM_CUR_OFFSET);
+ if (val == LPM_SETTING_ON)
+ return 1;
+ } else {
+ val = readl(gate->reg);
+ if (((val >> gate->bit_idx) & gate->mask) == gate->val)
+ return 1;
+ }
+
+ return 0;
+}
+
+static int imx93_clk_gate_is_enabled(struct clk_hw *hw)
+{
+ struct imx93_clk_gate *gate = to_imx93_clk_gate(hw);
+ unsigned long flags;
+ int ret;
+
+ spin_lock_irqsave(gate->lock, flags);
+
+ ret = imx93_clk_gate_reg_is_enabled(gate);
+
+ spin_unlock_irqrestore(gate->lock, flags);
+
+ return ret;
+}
+
+static const struct clk_ops imx93_clk_gate_ops = {
+ .set_rate = clk_parent_set_rate,
+ .round_rate = clk_parent_round_rate,
+ .enable = imx93_clk_gate_enable,
+ .disable = imx93_clk_gate_disable,
+ .is_enabled = imx93_clk_gate_is_enabled,
+};
+
+static const struct clk_ops imx93_clk_gate_ro_ops = {
+ .is_enabled = imx93_clk_gate_is_enabled,
+};
+
+struct clk *imx93_clk_gate(struct device *dev, const char *name, const char *parent_name,
+ unsigned long flags, void __iomem *reg, u32 bit_idx, u32 val,
+ u32 mask, u32 domain_id, unsigned int *share_count)
+{
+ struct imx93_clk_gate *gate;
+ struct clk_hw *hw;
+ struct clk_init_data init;
+ int ret;
+ u32 authen;
+
+ gate = kzalloc(sizeof(struct imx93_clk_gate), GFP_KERNEL);
+ if (!gate)
+ return ERR_PTR(-ENOMEM);
+
+ gate->reg = reg;
+ gate->bit_idx = bit_idx;
+ gate->val = val;
+ gate->mask = mask;
+ gate->share_count = share_count;
+
+ init.name = name;
+ init.ops = &imx93_clk_gate_ops;
+ init.flags = flags | CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE;
+ init.parent_names = parent_name ? &parent_name : NULL;
+ init.num_parents = parent_name ? 1 : 0;
+
+ gate->hw.init = &init;
+ hw = &gate->hw;
+
+ authen = readl(reg + AUTHEN_OFFSET);
+ if (!(authen & TZ_NS_MASK) || !(authen & BIT(WHITE_LIST_SHIFT + domain_id)))
+ init.ops = &imx93_clk_gate_ro_ops;
+
+ ret = clk_hw_register(dev, hw);
+ if (ret) {
+ kfree(gate);
+ return ERR_PTR(ret);
+ }
+
+ return &hw->clk;
+}
+EXPORT_SYMBOL_GPL(imx93_clk_gate);
diff --git a/drivers/clk/imx/clk-imx93.c b/drivers/clk/imx/clk-imx93.c
new file mode 100644
index 0000000000..e460091ba6
--- /dev/null
+++ b/drivers/clk/imx/clk-imx93.c
@@ -0,0 +1,331 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2021 NXP.
+ */
+
+#include <io.h>
+#include <linux/clk.h>
+#include <linux/err.h>
+#include <linux/types.h>
+#include <of_address.h>
+#include <dt-bindings/clock/imx93-clock.h>
+
+#include "clk.h"
+
+enum clk_sel {
+ LOW_SPEED_IO_SEL,
+ NON_IO_SEL,
+ FAST_SEL,
+ AUDIO_SEL,
+ VIDEO_SEL,
+ TPM_SEL,
+ CKO1_SEL,
+ CKO2_SEL,
+ MISC_SEL,
+ MAX_SEL
+};
+
+static u32 share_count_sai1;
+static u32 share_count_sai2;
+static u32 share_count_sai3;
+static u32 share_count_mub;
+static u32 share_count_pdm;
+
+static const char * const a55_core_sels[] = {"a55_alt", "arm_pll"};
+static const char *parent_names[MAX_SEL][4] = {
+ {"osc_24m", "sys_pll_pfd0_div2", "sys_pll_pfd1_div2", "video_pll"},
+ {"osc_24m", "sys_pll_pfd0_div2", "sys_pll_pfd1_div2", "sys_pll_pfd2_div2"},
+ {"osc_24m", "sys_pll_pfd0", "sys_pll_pfd1", "sys_pll_pfd2"},
+ {"osc_24m", "audio_pll", "video_pll", "clk_ext1"},
+ {"osc_24m", "audio_pll", "video_pll", "sys_pll_pfd0"},
+ {"osc_24m", "sys_pll_pfd0", "audio_pll", "clk_ext1"},
+ {"osc_24m", "sys_pll_pfd0", "sys_pll_pfd1", "audio_pll"},
+ {"osc_24m", "sys_pll_pfd0", "sys_pll_pfd1", "video_pll"},
+ {"osc_24m", "audio_pll", "video_pll", "sys_pll_pfd2"},
+};
+
+static const struct imx93_clk_root {
+ u32 clk;
+ char *name;
+ u32 off;
+ enum clk_sel sel;
+ unsigned long flags;
+} root_array[] = {
+ /* a55/m33/bus critical clk for system run */
+ { IMX93_CLK_A55_PERIPH, "a55_periph_root", 0x0000, FAST_SEL, CLK_IS_CRITICAL },
+ { IMX93_CLK_A55_MTR_BUS, "a55_mtr_bus_root", 0x0080, LOW_SPEED_IO_SEL, CLK_IS_CRITICAL },
+ { IMX93_CLK_A55, "a55_alt_root", 0x0100, FAST_SEL, CLK_IS_CRITICAL },
+ { IMX93_CLK_M33, "m33_root", 0x0180, LOW_SPEED_IO_SEL, CLK_IS_CRITICAL },
+ { IMX93_CLK_BUS_WAKEUP, "bus_wakeup_root", 0x0280, LOW_SPEED_IO_SEL, CLK_IS_CRITICAL },
+ { IMX93_CLK_BUS_AON, "bus_aon_root", 0x0300, LOW_SPEED_IO_SEL, CLK_IS_CRITICAL },
+ { IMX93_CLK_WAKEUP_AXI, "wakeup_axi_root", 0x0380, FAST_SEL, CLK_IS_CRITICAL },
+ { IMX93_CLK_SWO_TRACE, "swo_trace_root", 0x0400, LOW_SPEED_IO_SEL, },
+ { IMX93_CLK_M33_SYSTICK, "m33_systick_root", 0x0480, LOW_SPEED_IO_SEL, },
+ { IMX93_CLK_FLEXIO1, "flexio1_root", 0x0500, LOW_SPEED_IO_SEL, },
+ { IMX93_CLK_FLEXIO2, "flexio2_root", 0x0580, LOW_SPEED_IO_SEL, },
+ { IMX93_CLK_LPTMR1, "lptmr1_root", 0x0700, LOW_SPEED_IO_SEL, },
+ { IMX93_CLK_LPTMR2, "lptmr2_root", 0x0780, LOW_SPEED_IO_SEL, },
+ { IMX93_CLK_TPM2, "tpm2_root", 0x0880, TPM_SEL, },
+ { IMX93_CLK_TPM4, "tpm4_root", 0x0980, TPM_SEL, },
+ { IMX93_CLK_TPM5, "tpm5_root", 0x0a00, TPM_SEL, },
+ { IMX93_CLK_TPM6, "tpm6_root", 0x0a80, TPM_SEL, },
+ { IMX93_CLK_FLEXSPI1, "flexspi1_root", 0x0b00, FAST_SEL, },
+ { IMX93_CLK_CAN1, "can1_root", 0x0b80, LOW_SPEED_IO_SEL, },
+ { IMX93_CLK_CAN2, "can2_root", 0x0c00, LOW_SPEED_IO_SEL, },
+ { IMX93_CLK_LPUART1, "lpuart1_root", 0x0c80, LOW_SPEED_IO_SEL, },
+ { IMX93_CLK_LPUART2, "lpuart2_root", 0x0d00, LOW_SPEED_IO_SEL, },
+ { IMX93_CLK_LPUART3, "lpuart3_root", 0x0d80, LOW_SPEED_IO_SEL, },
+ { IMX93_CLK_LPUART4, "lpuart4_root", 0x0e00, LOW_SPEED_IO_SEL, },
+ { IMX93_CLK_LPUART5, "lpuart5_root", 0x0e80, LOW_SPEED_IO_SEL, },
+ { IMX93_CLK_LPUART6, "lpuart6_root", 0x0f00, LOW_SPEED_IO_SEL, },
+ { IMX93_CLK_LPUART7, "lpuart7_root", 0x0f80, LOW_SPEED_IO_SEL, },
+ { IMX93_CLK_LPUART8, "lpuart8_root", 0x1000, LOW_SPEED_IO_SEL, },
+ { IMX93_CLK_LPI2C1, "lpi2c1_root", 0x1080, LOW_SPEED_IO_SEL, },
+ { IMX93_CLK_LPI2C2, "lpi2c2_root", 0x1100, LOW_SPEED_IO_SEL, },
+ { IMX93_CLK_LPI2C3, "lpi2c3_root", 0x1180, LOW_SPEED_IO_SEL, },
+ { IMX93_CLK_LPI2C4, "lpi2c4_root", 0x1200, LOW_SPEED_IO_SEL, },
+ { IMX93_CLK_LPI2C5, "lpi2c5_root", 0x1280, LOW_SPEED_IO_SEL, },
+ { IMX93_CLK_LPI2C6, "lpi2c6_root", 0x1300, LOW_SPEED_IO_SEL, },
+ { IMX93_CLK_LPI2C7, "lpi2c7_root", 0x1380, LOW_SPEED_IO_SEL, },
+ { IMX93_CLK_LPI2C8, "lpi2c8_root", 0x1400, LOW_SPEED_IO_SEL, },
+ { IMX93_CLK_LPSPI1, "lpspi1_root", 0x1480, LOW_SPEED_IO_SEL, },
+ { IMX93_CLK_LPSPI2, "lpspi2_root", 0x1500, LOW_SPEED_IO_SEL, },
+ { IMX93_CLK_LPSPI3, "lpspi3_root", 0x1580, LOW_SPEED_IO_SEL, },
+ { IMX93_CLK_LPSPI4, "lpspi4_root", 0x1600, LOW_SPEED_IO_SEL, },
+ { IMX93_CLK_LPSPI5, "lpspi5_root", 0x1680, LOW_SPEED_IO_SEL, },
+ { IMX93_CLK_LPSPI6, "lpspi6_root", 0x1700, LOW_SPEED_IO_SEL, },
+ { IMX93_CLK_LPSPI7, "lpspi7_root", 0x1780, LOW_SPEED_IO_SEL, },
+ { IMX93_CLK_LPSPI8, "lpspi8_root", 0x1800, LOW_SPEED_IO_SEL, },
+ { IMX93_CLK_I3C1, "i3c1_root", 0x1880, LOW_SPEED_IO_SEL, },
+ { IMX93_CLK_I3C2, "i3c2_root", 0x1900, LOW_SPEED_IO_SEL, },
+ { IMX93_CLK_USDHC1, "usdhc1_root", 0x1980, FAST_SEL, },
+ { IMX93_CLK_USDHC2, "usdhc2_root", 0x1a00, FAST_SEL, },
+ { IMX93_CLK_USDHC3, "usdhc3_root", 0x1a80, FAST_SEL, },
+ { IMX93_CLK_SAI1, "sai1_root", 0x1b00, AUDIO_SEL, },
+ { IMX93_CLK_SAI2, "sai2_root", 0x1b80, AUDIO_SEL, },
+ { IMX93_CLK_SAI3, "sai3_root", 0x1c00, AUDIO_SEL, },
+ { IMX93_CLK_CCM_CKO1, "ccm_cko1_root", 0x1c80, CKO1_SEL, },
+ { IMX93_CLK_CCM_CKO2, "ccm_cko2_root", 0x1d00, CKO2_SEL, },
+ { IMX93_CLK_CCM_CKO3, "ccm_cko3_root", 0x1d80, CKO1_SEL, },
+ { IMX93_CLK_CCM_CKO4, "ccm_cko4_root", 0x1e00, CKO2_SEL, },
+ /*
+ * Critical because clk is used for handshake between HSIOMIX and NICMIX when
+ * NICMIX power down/on during system suspend/resume
+ */
+ { IMX93_CLK_HSIO, "hsio_root", 0x1e80, LOW_SPEED_IO_SEL, CLK_IS_CRITICAL},
+ { IMX93_CLK_HSIO_USB_TEST_60M, "hsio_usb_test_60m_root", 0x1f00, LOW_SPEED_IO_SEL, },
+ { IMX93_CLK_HSIO_ACSCAN_80M, "hsio_acscan_80m_root", 0x1f80, LOW_SPEED_IO_SEL, },
+ { IMX93_CLK_HSIO_ACSCAN_480M, "hsio_acscan_480m_root", 0x2000, MISC_SEL, },
+ { IMX93_CLK_NIC_AXI, "nic_axi_root", 0x2080, FAST_SEL, CLK_IS_CRITICAL, },
+ { IMX93_CLK_ML_APB, "ml_apb_root", 0x2180, LOW_SPEED_IO_SEL, },
+ { IMX93_CLK_ML, "ml_root", 0x2200, FAST_SEL, },
+ { IMX93_CLK_MEDIA_AXI, "media_axi_root", 0x2280, FAST_SEL, },
+ { IMX93_CLK_MEDIA_APB, "media_apb_root", 0x2300, LOW_SPEED_IO_SEL, },
+ { IMX93_CLK_MEDIA_LDB, "media_ldb_root", 0x2380, VIDEO_SEL, },
+ { IMX93_CLK_MEDIA_DISP_PIX, "media_disp_pix_root", 0x2400, VIDEO_SEL, },
+ { IMX93_CLK_CAM_PIX, "cam_pix_root", 0x2480, VIDEO_SEL, },
+ { IMX93_CLK_MIPI_TEST_BYTE, "mipi_test_byte_root", 0x2500, VIDEO_SEL, },
+ { IMX93_CLK_MIPI_PHY_CFG, "mipi_phy_cfg_root", 0x2580, VIDEO_SEL, },
+ { IMX93_CLK_ADC, "adc_root", 0x2700, LOW_SPEED_IO_SEL, },
+ { IMX93_CLK_PDM, "pdm_root", 0x2780, AUDIO_SEL, },
+ { IMX93_CLK_TSTMR1, "tstmr1_root", 0x2800, LOW_SPEED_IO_SEL, },
+ { IMX93_CLK_TSTMR2, "tstmr2_root", 0x2880, LOW_SPEED_IO_SEL, },
+ { IMX93_CLK_MQS1, "mqs1_root", 0x2900, AUDIO_SEL, },
+ { IMX93_CLK_MQS2, "mqs2_root", 0x2980, AUDIO_SEL, },
+ { IMX93_CLK_AUDIO_XCVR, "audio_xcvr_root", 0x2a00, NON_IO_SEL, },
+ { IMX93_CLK_SPDIF, "spdif_root", 0x2a80, AUDIO_SEL, },
+ { IMX93_CLK_ENET, "enet_root", 0x2b00, NON_IO_SEL, },
+ { IMX93_CLK_ENET_TIMER1, "enet_timer1_root", 0x2b80, LOW_SPEED_IO_SEL, },
+ { IMX93_CLK_ENET_TIMER2, "enet_timer2_root", 0x2c00, LOW_SPEED_IO_SEL, },
+ { IMX93_CLK_ENET_REF, "enet_ref_root", 0x2c80, NON_IO_SEL, },
+ { IMX93_CLK_ENET_REF_PHY, "enet_ref_phy_root", 0x2d00, LOW_SPEED_IO_SEL, },
+ { IMX93_CLK_I3C1_SLOW, "i3c1_slow_root", 0x2d80, LOW_SPEED_IO_SEL, },
+ { IMX93_CLK_I3C2_SLOW, "i3c2_slow_root", 0x2e00, LOW_SPEED_IO_SEL, },
+ { IMX93_CLK_USB_PHY_BURUNIN, "usb_phy_root", 0x2e80, LOW_SPEED_IO_SEL, },
+ { IMX93_CLK_PAL_CAME_SCAN, "pal_came_scan_root", 0x2f00, MISC_SEL, }
+};
+
+static const struct imx93_clk_ccgr {
+ u32 clk;
+ char *name;
+ char *parent_name;
+ u32 off;
+ unsigned long flags;
+ u32 *shared_count;
+} ccgr_array[] = {
+ { IMX93_CLK_A55_GATE, "a55_alt", "a55_alt_root", 0x8000, },
+ /* M33 critical clk for system run */
+ { IMX93_CLK_CM33_GATE, "cm33", "m33_root", 0x8040, CLK_IS_CRITICAL },
+ { IMX93_CLK_ADC1_GATE, "adc1", "adc_root", 0x82c0, },
+ { IMX93_CLK_WDOG1_GATE, "wdog1", "osc_24m", 0x8300, },
+ { IMX93_CLK_WDOG2_GATE, "wdog2", "osc_24m", 0x8340, },
+ { IMX93_CLK_WDOG3_GATE, "wdog3", "osc_24m", 0x8380, },
+ { IMX93_CLK_WDOG4_GATE, "wdog4", "osc_24m", 0x83c0, },
+ { IMX93_CLK_WDOG5_GATE, "wdog5", "osc_24m", 0x8400, },
+ { IMX93_CLK_SEMA1_GATE, "sema1", "bus_aon_root", 0x8440, },
+ { IMX93_CLK_SEMA2_GATE, "sema2", "bus_wakeup_root", 0x8480, },
+ { IMX93_CLK_MU1_A_GATE, "mu1_a", "bus_aon_root", 0x84c0, CLK_IGNORE_UNUSED },
+ { IMX93_CLK_MU2_A_GATE, "mu2_a", "bus_wakeup_root", 0x84c0, CLK_IGNORE_UNUSED },
+ { IMX93_CLK_MU1_B_GATE, "mu1_b", "bus_aon_root", 0x8500, 0, &share_count_mub },
+ { IMX93_CLK_MU2_B_GATE, "mu2_b", "bus_wakeup_root", 0x8500, 0, &share_count_mub },
+ { IMX93_CLK_EDMA1_GATE, "edma1", "m33_root", 0x8540, },
+ { IMX93_CLK_EDMA2_GATE, "edma2", "wakeup_axi_root", 0x8580, },
+ { IMX93_CLK_FLEXSPI1_GATE, "flexspi1", "flexspi1_root", 0x8640, },
+ { IMX93_CLK_GPIO1_GATE, "gpio1", "m33_root", 0x8880, },
+ { IMX93_CLK_GPIO2_GATE, "gpio2", "bus_wakeup_root", 0x88c0, },
+ { IMX93_CLK_GPIO3_GATE, "gpio3", "bus_wakeup_root", 0x8900, },
+ { IMX93_CLK_GPIO4_GATE, "gpio4", "bus_wakeup_root", 0x8940, },
+ { IMX93_CLK_FLEXIO1_GATE, "flexio1", "flexio1_root", 0x8980, },
+ { IMX93_CLK_FLEXIO2_GATE, "flexio2", "flexio2_root", 0x89c0, },
+ { IMX93_CLK_LPIT1_GATE, "lpit1", "bus_aon_root", 0x8a00, },
+ { IMX93_CLK_LPIT2_GATE, "lpit2", "bus_wakeup_root", 0x8a40, },
+ { IMX93_CLK_LPTMR1_GATE, "lptmr1", "lptmr1_root", 0x8a80, },
+ { IMX93_CLK_LPTMR2_GATE, "lptmr2", "lptmr2_root", 0x8ac0, },
+ { IMX93_CLK_TPM1_GATE, "tpm1", "bus_aon_root", 0x8b00, },
+ { IMX93_CLK_TPM2_GATE, "tpm2", "tpm2_root", 0x8b40, },
+ { IMX93_CLK_TPM3_GATE, "tpm3", "bus_wakeup_root", 0x8b80, },
+ { IMX93_CLK_TPM4_GATE, "tpm4", "tpm4_root", 0x8bc0, },
+ { IMX93_CLK_TPM5_GATE, "tpm5", "tpm5_root", 0x8c00, },
+ { IMX93_CLK_TPM6_GATE, "tpm6", "tpm6_root", 0x8c40, },
+ { IMX93_CLK_CAN1_GATE, "can1", "can1_root", 0x8c80, },
+ { IMX93_CLK_CAN2_GATE, "can2", "can2_root", 0x8cc0, },
+ { IMX93_CLK_LPUART1_GATE, "lpuart1", "lpuart1_root", 0x8d00, },
+ { IMX93_CLK_LPUART2_GATE, "lpuart2", "lpuart2_root", 0x8d40, },
+ { IMX93_CLK_LPUART3_GATE, "lpuart3", "lpuart3_root", 0x8d80, },
+ { IMX93_CLK_LPUART4_GATE, "lpuart4", "lpuart4_root", 0x8dc0, },
+ { IMX93_CLK_LPUART5_GATE, "lpuart5", "lpuart5_root", 0x8e00, },
+ { IMX93_CLK_LPUART6_GATE, "lpuart6", "lpuart6_root", 0x8e40, },
+ { IMX93_CLK_LPUART7_GATE, "lpuart7", "lpuart7_root", 0x8e80, },
+ { IMX93_CLK_LPUART8_GATE, "lpuart8", "lpuart8_root", 0x8ec0, },
+ { IMX93_CLK_LPI2C1_GATE, "lpi2c1", "lpi2c1_root", 0x8f00, },
+ { IMX93_CLK_LPI2C2_GATE, "lpi2c2", "lpi2c2_root", 0x8f40, },
+ { IMX93_CLK_LPI2C3_GATE, "lpi2c3", "lpi2c3_root", 0x8f80, },
+ { IMX93_CLK_LPI2C4_GATE, "lpi2c4", "lpi2c4_root", 0x8fc0, },
+ { IMX93_CLK_LPI2C5_GATE, "lpi2c5", "lpi2c5_root", 0x9000, },
+ { IMX93_CLK_LPI2C6_GATE, "lpi2c6", "lpi2c6_root", 0x9040, },
+ { IMX93_CLK_LPI2C7_GATE, "lpi2c7", "lpi2c7_root", 0x9080, },
+ { IMX93_CLK_LPI2C8_GATE, "lpi2c8", "lpi2c8_root", 0x90c0, },
+ { IMX93_CLK_LPSPI1_GATE, "lpspi1", "lpspi1_root", 0x9100, },
+ { IMX93_CLK_LPSPI2_GATE, "lpspi2", "lpspi2_root", 0x9140, },
+ { IMX93_CLK_LPSPI3_GATE, "lpspi3", "lpspi3_root", 0x9180, },
+ { IMX93_CLK_LPSPI4_GATE, "lpspi4", "lpspi4_root", 0x91c0, },
+ { IMX93_CLK_LPSPI5_GATE, "lpspi5", "lpspi5_root", 0x9200, },
+ { IMX93_CLK_LPSPI6_GATE, "lpspi6", "lpspi6_root", 0x9240, },
+ { IMX93_CLK_LPSPI7_GATE, "lpspi7", "lpspi7_root", 0x9280, },
+ { IMX93_CLK_LPSPI8_GATE, "lpspi8", "lpspi8_root", 0x92c0, },
+ { IMX93_CLK_I3C1_GATE, "i3c1", "i3c1_root", 0x9300, },
+ { IMX93_CLK_I3C2_GATE, "i3c2", "i3c2_root", 0x9340, },
+ { IMX93_CLK_USDHC1_GATE, "usdhc1", "usdhc1_root", 0x9380, },
+ { IMX93_CLK_USDHC2_GATE, "usdhc2", "usdhc2_root", 0x93c0, },
+ { IMX93_CLK_USDHC3_GATE, "usdhc3", "usdhc3_root", 0x9400, },
+ { IMX93_CLK_SAI1_GATE, "sai1", "sai1_root", 0x9440, 0, &share_count_sai1},
+ { IMX93_CLK_SAI1_IPG, "sai1_ipg_clk", "bus_aon_root", 0x9440, 0, &share_count_sai1},
+ { IMX93_CLK_SAI2_GATE, "sai2", "sai2_root", 0x9480, 0, &share_count_sai2},
+ { IMX93_CLK_SAI2_IPG, "sai2_ipg_clk", "bus_wakeup_root", 0x9480, 0, &share_count_sai2},
+ { IMX93_CLK_SAI3_GATE, "sai3", "sai3_root", 0x94c0, 0, &share_count_sai3},
+ { IMX93_CLK_SAI3_IPG, "sai3_ipg_clk", "bus_wakeup_root", 0x94c0, 0, &share_count_sai3},
+ { IMX93_CLK_MIPI_CSI_GATE, "mipi_csi", "media_apb_root", 0x9580, },
+ { IMX93_CLK_MIPI_DSI_GATE, "mipi_dsi", "media_apb_root", 0x95c0, },
+ { IMX93_CLK_LVDS_GATE, "lvds", "media_ldb_root", 0x9600, },
+ { IMX93_CLK_LCDIF_GATE, "lcdif", "media_apb_root", 0x9640, },
+ { IMX93_CLK_PXP_GATE, "pxp", "media_apb_root", 0x9680, },
+ { IMX93_CLK_ISI_GATE, "isi", "media_apb_root", 0x96c0, },
+ { IMX93_CLK_NIC_MEDIA_GATE, "nic_media", "media_axi_root", 0x9700, },
+ { IMX93_CLK_USB_CONTROLLER_GATE, "usb_controller", "hsio_root", 0x9a00, },
+ { IMX93_CLK_USB_TEST_60M_GATE, "usb_test_60m", "hsio_usb_test_60m_root", 0x9a40, },
+ { IMX93_CLK_HSIO_TROUT_24M_GATE, "hsio_trout_24m", "osc_24m", 0x9a80, },
+ { IMX93_CLK_PDM_GATE, "pdm", "pdm_root", 0x9ac0, 0, &share_count_pdm},
+ { IMX93_CLK_PDM_IPG, "pdm_ipg_clk", "bus_aon_root", 0x9ac0, 0, &share_count_pdm},
+ { IMX93_CLK_MQS1_GATE, "mqs1", "sai1_root", 0x9b00, },
+ { IMX93_CLK_MQS2_GATE, "mqs2", "sai3_root", 0x9b40, },
+ { IMX93_CLK_AUD_XCVR_GATE, "aud_xcvr", "audio_xcvr_root", 0x9b80, },
+ { IMX93_CLK_SPDIF_GATE, "spdif", "spdif_root", 0x9c00, },
+ { IMX93_CLK_HSIO_32K_GATE, "hsio_32k", "osc_32k", 0x9dc0, },
+ { IMX93_CLK_ENET1_GATE, "enet1", "wakeup_axi_root", 0x9e00, },
+ { IMX93_CLK_ENET_QOS_GATE, "enet_qos", "wakeup_axi_root", 0x9e40, },
+ /* Critical because clk accessed during CPU idle */
+ { IMX93_CLK_SYS_CNT_GATE, "sys_cnt", "osc_24m", 0x9e80, CLK_IS_CRITICAL},
+ { IMX93_CLK_TSTMR1_GATE, "tstmr1", "bus_aon_root", 0x9ec0, },
+ { IMX93_CLK_TSTMR2_GATE, "tstmr2", "bus_wakeup_root", 0x9f00, },
+ { IMX93_CLK_TMC_GATE, "tmc", "osc_24m", 0x9f40, },
+ { IMX93_CLK_PMRO_GATE, "pmro", "osc_24m", 0x9f80, }
+};
+
+static struct clk_onecell_data clk_data;
+static struct clk *clks[IMX93_CLK_END];
+
+static int imx93_clocks_probe(struct device_node *np)
+{
+ struct device_node *anatop_np;
+ const struct imx93_clk_root *root;
+ const struct imx93_clk_ccgr *ccgr;
+ void __iomem *base, *anatop_base;
+ int i, ret;
+
+ clk_data.clk_num = IMX93_CLK_END;
+ clk_data.clks = clks;
+
+ clks[IMX93_CLK_DUMMY] = clk_fixed("dummy", 0);
+ clks[IMX93_CLK_24M] = of_clk_get_by_name(np, "osc_24m");
+ clks[IMX93_CLK_32K] = of_clk_get_by_name(np, "osc_32k");
+ clks[IMX93_CLK_EXT1] = of_clk_get_by_name(np, "clk_ext1");
+
+ clks[IMX93_CLK_SYS_PLL_PFD0] = clk_fixed("sys_pll_pfd0", 1000000000);
+ clks[IMX93_CLK_SYS_PLL_PFD0_DIV2] = imx_clk_hw_fixed_factor("sys_pll_pfd0_div2",
+ "sys_pll_pfd0", 1, 2);
+ clks[IMX93_CLK_SYS_PLL_PFD1] = clk_fixed("sys_pll_pfd1", 800000000);
+ clks[IMX93_CLK_SYS_PLL_PFD1_DIV2] = imx_clk_hw_fixed_factor("sys_pll_pfd1_div2",
+ "sys_pll_pfd1", 1, 2);
+ clks[IMX93_CLK_SYS_PLL_PFD2] = clk_fixed("sys_pll_pfd2", 625000000);
+ clks[IMX93_CLK_SYS_PLL_PFD2_DIV2] = imx_clk_hw_fixed_factor("sys_pll_pfd2_div2",
+ "sys_pll_pfd2", 1, 2);
+
+ anatop_np = of_find_compatible_node(NULL, NULL, "fsl,imx93-anatop");
+ anatop_base = of_iomap(anatop_np, 0);
+ if (WARN_ON(IS_ERR(anatop_base)))
+ return PTR_ERR(anatop_base);
+
+ clks[IMX93_CLK_ARM_PLL] = imx_clk_fracn_gppll_integer("arm_pll", "osc_24m",
+ anatop_base + 0x1000,
+ &imx_fracn_gppll_integer);
+ clks[IMX93_CLK_AUDIO_PLL] = imx_clk_fracn_gppll("audio_pll", "osc_24m", anatop_base + 0x1200,
+ &imx_fracn_gppll);
+ clks[IMX93_CLK_VIDEO_PLL] = imx_clk_fracn_gppll("video_pll", "osc_24m", anatop_base + 0x1400,
+ &imx_fracn_gppll);
+
+ base = of_iomap(np, 0);
+ if (WARN_ON(IS_ERR(base)))
+ return PTR_ERR(base);
+
+ for (i = 0; i < ARRAY_SIZE(root_array); i++) {
+ root = &root_array[i];
+ clks[root->clk] = imx93_clk_composite_flags(root->name,
+ parent_names[root->sel],
+ 4, base + root->off, 3,
+ root->flags);
+ }
+
+ for (i = 0; i < ARRAY_SIZE(ccgr_array); i++) {
+ ccgr = &ccgr_array[i];
+ clks[ccgr->clk] = imx93_clk_gate(NULL, ccgr->name, ccgr->parent_name,
+ ccgr->flags, base + ccgr->off, 0, 1, 1, 3,
+ ccgr->shared_count);
+ }
+
+ clks[IMX93_CLK_A55_SEL] = imx_clk_hw_mux2("a55_sel", base + 0x4820, 0, 1, a55_core_sels,
+ ARRAY_SIZE(a55_core_sels));
+ clks[IMX93_CLK_A55_CORE] = imx_clk_hw_cpu("a55_core", "a55_sel",
+ clks[IMX93_CLK_A55_SEL],
+ clks[IMX93_CLK_A55_SEL],
+ clks[IMX93_CLK_ARM_PLL],
+ clks[IMX93_CLK_A55_GATE]);
+
+ imx_check_clocks(clks, IMX93_CLK_END);
+
+ ret = of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+CLK_OF_DECLARE(imx93, "fsl,imx93-ccm", imx93_clocks_probe);
diff --git a/drivers/clk/imx/clk.h b/drivers/clk/imx/clk.h
index 041592a064..1d3316619f 100644
--- a/drivers/clk/imx/clk.h
+++ b/drivers/clk/imx/clk.h
@@ -304,6 +304,48 @@ struct clk *imx8m_clk_composite_flags(const char *name,
#define imx8m_clk_composite_critical(name, parent_names, reg) \
__imx8m_clk_composite(name, parent_names, reg, CLK_IS_CRITICAL)
+#define CLK_FRACN_GPPLL_INTEGER BIT(0)
+#define CLK_FRACN_GPPLL_FRACN BIT(1)
+
+/* NOTE: Rate table should be kept sorted in descending order. */
+struct imx_fracn_gppll_rate_table {
+ unsigned int rate;
+ unsigned int mfi;
+ unsigned int mfn;
+ unsigned int mfd;
+ unsigned int rdiv;
+ unsigned int odiv;
+};
+
+struct imx_fracn_gppll_clk {
+ const struct imx_fracn_gppll_rate_table *rate_table;
+ int rate_count;
+ int flags;
+};
+
+struct clk *imx_clk_fracn_gppll(const char *name, const char *parent_name, void __iomem *base,
+ const struct imx_fracn_gppll_clk *pll_clk);
+struct clk *imx_clk_fracn_gppll_integer(const char *name, const char *parent_name,
+ void __iomem *base,
+ const struct imx_fracn_gppll_clk *pll_clk);
+
+extern struct imx_fracn_gppll_clk imx_fracn_gppll;
+extern struct imx_fracn_gppll_clk imx_fracn_gppll_integer;
+
+struct clk *imx93_clk_composite_flags(const char *name,
+ const char * const *parent_names,
+ int num_parents,
+ void __iomem *reg,
+ u32 domain_id,
+ unsigned long flags);
+#define imx93_clk_composite(name, parent_names, num_parents, reg, domain_id) \
+ imx93_clk_composite_flags(name, parent_names, num_parents, reg, domain_id \
+ CLK_SET_RATE_NO_REPARENT | CLK_OPS_PARENT_ENABLE)
+
+struct clk *imx93_clk_gate(struct device *dev, const char *name, const char *parent_name,
+ unsigned long flags, void __iomem *reg, u32 bit_idx, u32 val,
+ u32 mask, u32 domain_id, unsigned int *share_count);
+
/*
* Names of the above functions used in the Linux Kernel. Added here
* to be able to use the same names in barebox to reduce the diffs
--
2.39.2
