* [PATCH v2 3/9] clk: mmp: Switch to use struct u32_fract instead of custom one
[not found] <20230727162909.6031-1-duje.mihanovic@skole.hr>
@ 2023-07-27 16:29 ` Duje Mihanović
2023-07-27 16:42 ` Andy Shevchenko
2023-07-27 16:29 ` [PATCH v2 4/9] dt-bindings: clock: Add Marvell PXA1908 clock bindings Duje Mihanović
2023-07-27 16:29 ` [PATCH v2 5/9] clk: mmp: Add Marvell PXA1908 clock driver Duje Mihanović
2 siblings, 1 reply; 7+ messages in thread
From: Duje Mihanović @ 2023-07-27 16:29 UTC (permalink / raw)
To: Michael Turquette, Stephen Boyd, linux-clk, linux-kernel
Cc: ~postmarketos/upstreaming, phone-devel, afaerber, Andy Shevchenko,
Duje Mihanović
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
The struct mmp_clk_factor_tbl repeats the generic struct u32_fract.
Kill the custom one and use the generic one instead.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Duje Mihanović <duje.mihanovic@skole.hr>
---
drivers/clk/mmp/clk-frac.c | 57 ++++++++++++++++----------------
drivers/clk/mmp/clk-mmp2.c | 6 ++--
drivers/clk/mmp/clk-of-mmp2.c | 26 +++++++--------
drivers/clk/mmp/clk-of-pxa168.c | 4 +--
drivers/clk/mmp/clk-of-pxa1928.c | 6 ++--
drivers/clk/mmp/clk-of-pxa910.c | 4 +--
drivers/clk/mmp/clk-pxa168.c | 4 +--
drivers/clk/mmp/clk-pxa910.c | 4 +--
drivers/clk/mmp/clk.h | 10 ++----
9 files changed, 58 insertions(+), 63 deletions(-)
diff --git a/drivers/clk/mmp/clk-frac.c b/drivers/clk/mmp/clk-frac.c
index 1b90867b60c4..6556f6ada2e8 100644
--- a/drivers/clk/mmp/clk-frac.c
+++ b/drivers/clk/mmp/clk-frac.c
@@ -26,14 +26,15 @@ static long clk_factor_round_rate(struct clk_hw *hw, unsigned long drate,
{
struct mmp_clk_factor *factor = to_clk_factor(hw);
u64 rate = 0, prev_rate;
+ struct u32_fract *d;
int i;
for (i = 0; i < factor->ftbl_cnt; i++) {
- prev_rate = rate;
- rate = *prate;
- rate *= factor->ftbl[i].den;
- do_div(rate, factor->ftbl[i].num * factor->masks->factor);
+ d = &factor->ftbl[i];
+ prev_rate = rate;
+ rate = (u64)(*prate) * d->denominator;
+ do_div(rate, d->numerator * factor->masks->factor);
if (rate > drate)
break;
}
@@ -52,23 +53,22 @@ static unsigned long clk_factor_recalc_rate(struct clk_hw *hw,
{
struct mmp_clk_factor *factor = to_clk_factor(hw);
struct mmp_clk_factor_masks *masks = factor->masks;
- unsigned int val, num, den;
+ struct u32_fract d;
+ unsigned int val;
u64 rate;
val = readl_relaxed(factor->base);
/* calculate numerator */
- num = (val >> masks->num_shift) & masks->num_mask;
+ d.numerator = (val >> masks->num_shift) & masks->num_mask;
/* calculate denominator */
- den = (val >> masks->den_shift) & masks->den_mask;
-
- if (!den)
+ d.denominator = (val >> masks->den_shift) & masks->den_mask;
+ if (!d.denominator)
return 0;
- rate = parent_rate;
- rate *= den;
- do_div(rate, num * factor->masks->factor);
+ rate = (u64)parent_rate * d.denominator;
+ do_div(rate, d.numerator * factor->masks->factor);
return rate;
}
@@ -82,18 +82,18 @@ static int clk_factor_set_rate(struct clk_hw *hw, unsigned long drate,
int i;
unsigned long val;
unsigned long flags = 0;
+ struct u32_fract *d;
u64 rate = 0;
for (i = 0; i < factor->ftbl_cnt; i++) {
- rate = prate;
- rate *= factor->ftbl[i].den;
- do_div(rate, factor->ftbl[i].num * factor->masks->factor);
+ d = &factor->ftbl[i];
+ rate = (u64)prate * d->denominator;
+ do_div(rate, d->numerator * factor->masks->factor);
if (rate > drate)
break;
}
- if (i > 0)
- i--;
+ d = i ? &factor->ftbl[i - 1] : &factor->ftbl[0];
if (factor->lock)
spin_lock_irqsave(factor->lock, flags);
@@ -101,10 +101,10 @@ static int clk_factor_set_rate(struct clk_hw *hw, unsigned long drate,
val = readl_relaxed(factor->base);
val &= ~(masks->num_mask << masks->num_shift);
- val |= (factor->ftbl[i].num & masks->num_mask) << masks->num_shift;
+ val |= (d->numerator & masks->num_mask) << masks->num_shift;
val &= ~(masks->den_mask << masks->den_shift);
- val |= (factor->ftbl[i].den & masks->den_mask) << masks->den_shift;
+ val |= (d->denominator & masks->den_mask) << masks->den_shift;
writel_relaxed(val, factor->base);
@@ -118,7 +118,8 @@ static int clk_factor_init(struct clk_hw *hw)
{
struct mmp_clk_factor *factor = to_clk_factor(hw);
struct mmp_clk_factor_masks *masks = factor->masks;
- u32 val, num, den;
+ struct u32_fract d;
+ u32 val;
int i;
unsigned long flags = 0;
@@ -128,23 +129,22 @@ static int clk_factor_init(struct clk_hw *hw)
val = readl(factor->base);
/* calculate numerator */
- num = (val >> masks->num_shift) & masks->num_mask;
+ d.numerator = (val >> masks->num_shift) & masks->num_mask;
/* calculate denominator */
- den = (val >> masks->den_shift) & masks->den_mask;
+ d.denominator = (val >> masks->den_shift) & masks->den_mask;
for (i = 0; i < factor->ftbl_cnt; i++)
- if (den == factor->ftbl[i].den && num == factor->ftbl[i].num)
+ if (d.denominator == factor->ftbl[i].denominator &&
+ d.numerator == factor->ftbl[i].numerator)
break;
if (i >= factor->ftbl_cnt) {
val &= ~(masks->num_mask << masks->num_shift);
- val |= (factor->ftbl[0].num & masks->num_mask) <<
- masks->num_shift;
+ val |= (factor->ftbl[0].numerator & masks->num_mask) << masks->num_shift;
val &= ~(masks->den_mask << masks->den_shift);
- val |= (factor->ftbl[0].den & masks->den_mask) <<
- masks->den_shift;
+ val |= (factor->ftbl[0].denominator & masks->den_mask) << masks->den_shift;
}
if (!(val & masks->enable_mask) || i >= factor->ftbl_cnt) {
@@ -168,8 +168,7 @@ static const struct clk_ops clk_factor_ops = {
struct clk *mmp_clk_register_factor(const char *name, const char *parent_name,
unsigned long flags, void __iomem *base,
struct mmp_clk_factor_masks *masks,
- struct mmp_clk_factor_tbl *ftbl,
- unsigned int ftbl_cnt, spinlock_t *lock)
+ struct u32_fract *ftbl, unsigned int ftbl_cnt, spinlock_t *lock)
{
struct mmp_clk_factor *factor;
struct clk_init_data init;
diff --git a/drivers/clk/mmp/clk-mmp2.c b/drivers/clk/mmp/clk-mmp2.c
index aabacfa10158..ab7dde7e7a44 100644
--- a/drivers/clk/mmp/clk-mmp2.c
+++ b/drivers/clk/mmp/clk-mmp2.c
@@ -59,9 +59,9 @@ static struct mmp_clk_factor_masks uart_factor_masks = {
.den_shift = 0,
};
-static struct mmp_clk_factor_tbl uart_factor_tbl[] = {
- {.num = 8125, .den = 1536}, /*14.745MHZ */
- {.num = 3521, .den = 689}, /*19.23MHZ */
+static struct u32_fract uart_factor_tbl[] = {
+ { .numerator = 8125, .denominator = 1536 }, /* 14.745MHZ */
+ { .numerator = 3521, .denominator = 689 }, /* 19.23MHZ */
};
static const char *uart_parent[] = {"uart_pll", "vctcxo"};
diff --git a/drivers/clk/mmp/clk-of-mmp2.c b/drivers/clk/mmp/clk-of-mmp2.c
index bcf60f43aa13..d771b3e5fb2d 100644
--- a/drivers/clk/mmp/clk-of-mmp2.c
+++ b/drivers/clk/mmp/clk-of-mmp2.c
@@ -141,9 +141,9 @@ static struct mmp_clk_factor_masks uart_factor_masks = {
.den_shift = 0,
};
-static struct mmp_clk_factor_tbl uart_factor_tbl[] = {
- {.num = 8125, .den = 1536}, /*14.745MHZ */
- {.num = 3521, .den = 689}, /*19.23MHZ */
+static struct u32_fract uart_factor_tbl[] = {
+ { .numerator = 8125, .denominator = 1536 }, /* 14.745MHZ */
+ { .numerator = 3521, .denominator = 689 }, /* 19.23MHZ */
};
static struct mmp_clk_factor_masks i2s_factor_masks = {
@@ -155,16 +155,16 @@ static struct mmp_clk_factor_masks i2s_factor_masks = {
.enable_mask = 0xd0000000,
};
-static struct mmp_clk_factor_tbl i2s_factor_tbl[] = {
- {.num = 24868, .den = 511}, /* 2.0480 MHz */
- {.num = 28003, .den = 793}, /* 2.8224 MHz */
- {.num = 24941, .den = 1025}, /* 4.0960 MHz */
- {.num = 28003, .den = 1586}, /* 5.6448 MHz */
- {.num = 31158, .den = 2561}, /* 8.1920 MHz */
- {.num = 16288, .den = 1845}, /* 11.2896 MHz */
- {.num = 20772, .den = 2561}, /* 12.2880 MHz */
- {.num = 8144, .den = 1845}, /* 22.5792 MHz */
- {.num = 10386, .den = 2561}, /* 24.5760 MHz */
+static struct u32_fract i2s_factor_tbl[] = {
+ { .numerator = 24868, .denominator = 511 }, /* 2.0480 MHz */
+ { .numerator = 28003, .denominator = 793 }, /* 2.8224 MHz */
+ { .numerator = 24941, .denominator = 1025 }, /* 4.0960 MHz */
+ { .numerator = 28003, .denominator = 1586 }, /* 5.6448 MHz */
+ { .numerator = 31158, .denominator = 2561 }, /* 8.1920 MHz */
+ { .numerator = 16288, .denominator = 1845 }, /* 11.2896 MHz */
+ { .numerator = 20772, .denominator = 2561 }, /* 12.2880 MHz */
+ { .numerator = 8144, .denominator = 1845 }, /* 22.5792 MHz */
+ { .numerator = 10386, .denominator = 2561 }, /* 24.5760 MHz */
};
static DEFINE_SPINLOCK(acgr_lock);
diff --git a/drivers/clk/mmp/clk-of-pxa168.c b/drivers/clk/mmp/clk-of-pxa168.c
index 130d1a723879..17cb5c622c31 100644
--- a/drivers/clk/mmp/clk-of-pxa168.c
+++ b/drivers/clk/mmp/clk-of-pxa168.c
@@ -104,8 +104,8 @@ static struct mmp_clk_factor_masks uart_factor_masks = {
.den_shift = 0,
};
-static struct mmp_clk_factor_tbl uart_factor_tbl[] = {
- {.num = 8125, .den = 1536}, /*14.745MHZ */
+static struct u32_fract uart_factor_tbl[] = {
+ { .numerator = 8125, .denominator = 1536 }, /* 14.745MHZ */
};
static void pxa168_pll_init(struct pxa168_clk_unit *pxa_unit)
diff --git a/drivers/clk/mmp/clk-of-pxa1928.c b/drivers/clk/mmp/clk-of-pxa1928.c
index 2508a0d795f8..675d695c5f7d 100644
--- a/drivers/clk/mmp/clk-of-pxa1928.c
+++ b/drivers/clk/mmp/clk-of-pxa1928.c
@@ -58,9 +58,9 @@ static struct mmp_clk_factor_masks uart_factor_masks = {
.den_shift = 0,
};
-static struct mmp_clk_factor_tbl uart_factor_tbl[] = {
- {.num = 832, .den = 234}, /*58.5MHZ */
- {.num = 1, .den = 1}, /*26MHZ */
+static struct u32_fract uart_factor_tbl[] = {
+ { .numerator = 832, .denominator = 234 }, /* 58.5MHZ */
+ { .numerator = 1, .denominator = 1 }, /* 26MHZ */
};
static void pxa1928_pll_init(struct pxa1928_clk_unit *pxa_unit)
diff --git a/drivers/clk/mmp/clk-of-pxa910.c b/drivers/clk/mmp/clk-of-pxa910.c
index 4d15bac987eb..f5b0b7b278c0 100644
--- a/drivers/clk/mmp/clk-of-pxa910.c
+++ b/drivers/clk/mmp/clk-of-pxa910.c
@@ -84,8 +84,8 @@ static struct mmp_clk_factor_masks uart_factor_masks = {
.den_shift = 0,
};
-static struct mmp_clk_factor_tbl uart_factor_tbl[] = {
- {.num = 8125, .den = 1536}, /*14.745MHZ */
+static struct u32_fract uart_factor_tbl[] = {
+ { .numerator = 8125, .denominator = 1536 }, /* 14.745MHZ */
};
static void pxa910_pll_init(struct pxa910_clk_unit *pxa_unit)
diff --git a/drivers/clk/mmp/clk-pxa168.c b/drivers/clk/mmp/clk-pxa168.c
index 8a9b8fb3a465..2ea88945bffd 100644
--- a/drivers/clk/mmp/clk-pxa168.c
+++ b/drivers/clk/mmp/clk-pxa168.c
@@ -52,8 +52,8 @@ static struct mmp_clk_factor_masks uart_factor_masks = {
.den_shift = 0,
};
-static struct mmp_clk_factor_tbl uart_factor_tbl[] = {
- {.num = 8125, .den = 1536}, /*14.745MHZ */
+static struct u32_fract uart_factor_tbl[] = {
+ { .numerator = 8125, .denominator = 1536 }, /* 14.745MHZ */
};
static const char *uart_parent[] = {"pll1_3_16", "uart_pll"};
diff --git a/drivers/clk/mmp/clk-pxa910.c b/drivers/clk/mmp/clk-pxa910.c
index 9fcd76316d7e..e29b0fd6f423 100644
--- a/drivers/clk/mmp/clk-pxa910.c
+++ b/drivers/clk/mmp/clk-pxa910.c
@@ -50,8 +50,8 @@ static struct mmp_clk_factor_masks uart_factor_masks = {
.den_shift = 0,
};
-static struct mmp_clk_factor_tbl uart_factor_tbl[] = {
- {.num = 8125, .den = 1536}, /*14.745MHZ */
+static struct u32_fract uart_factor_tbl[] = {
+ { .numerator = 8125, .denominator = 1536 }, /* 14.745MHZ */
};
static const char *uart_parent[] = {"pll1_3_16", "uart_pll"};
diff --git a/drivers/clk/mmp/clk.h b/drivers/clk/mmp/clk.h
index 55ac05379781..c83cec169ddc 100644
--- a/drivers/clk/mmp/clk.h
+++ b/drivers/clk/mmp/clk.h
@@ -3,6 +3,7 @@
#define __MACH_MMP_CLK_H
#include <linux/clk-provider.h>
+#include <linux/math.h>
#include <linux/pm_domain.h>
#include <linux/clkdev.h>
@@ -20,16 +21,11 @@ struct mmp_clk_factor_masks {
unsigned int enable_mask;
};
-struct mmp_clk_factor_tbl {
- unsigned int num;
- unsigned int den;
-};
-
struct mmp_clk_factor {
struct clk_hw hw;
void __iomem *base;
struct mmp_clk_factor_masks *masks;
- struct mmp_clk_factor_tbl *ftbl;
+ struct u32_fract *ftbl;
unsigned int ftbl_cnt;
spinlock_t *lock;
};
@@ -37,7 +33,7 @@ struct mmp_clk_factor {
extern struct clk *mmp_clk_register_factor(const char *name,
const char *parent_name, unsigned long flags,
void __iomem *base, struct mmp_clk_factor_masks *masks,
- struct mmp_clk_factor_tbl *ftbl, unsigned int ftbl_cnt,
+ struct u32_fract *ftbl, unsigned int ftbl_cnt,
spinlock_t *lock);
/* Clock type "mix" */
--
2.41.0
^ permalink raw reply related [flat|nested] 7+ messages in thread* [PATCH v2 5/9] clk: mmp: Add Marvell PXA1908 clock driver
[not found] <20230727162909.6031-1-duje.mihanovic@skole.hr>
2023-07-27 16:29 ` [PATCH v2 3/9] clk: mmp: Switch to use struct u32_fract instead of custom one Duje Mihanović
2023-07-27 16:29 ` [PATCH v2 4/9] dt-bindings: clock: Add Marvell PXA1908 clock bindings Duje Mihanović
@ 2023-07-27 16:29 ` Duje Mihanović
2 siblings, 0 replies; 7+ messages in thread
From: Duje Mihanović @ 2023-07-27 16:29 UTC (permalink / raw)
To: Michael Turquette, Stephen Boyd, Duje Mihanović,
linux-kernel, linux-clk, linux-arm-kernel
Cc: ~postmarketos/upstreaming, phone-devel, afaerber
Add driver for Marvell PXA1908 clock controller blocks. The SoC has
numerous clock controller blocks, currently supporting APBC, APBCP, MPMU
and APMU.
Signed-off-by: Duje Mihanović <duje.mihanovic@skole.hr>
---
drivers/clk/mmp/Makefile | 2 +-
drivers/clk/mmp/clk-of-pxa1908.c | 286 +++++++++++++++++++++++++++++++
2 files changed, 287 insertions(+), 1 deletion(-)
create mode 100644 drivers/clk/mmp/clk-of-pxa1908.c
diff --git a/drivers/clk/mmp/Makefile b/drivers/clk/mmp/Makefile
index cbcc2f8430a2..feacddb28fc4 100644
--- a/drivers/clk/mmp/Makefile
+++ b/drivers/clk/mmp/Makefile
@@ -15,4 +15,4 @@ obj-$(CONFIG_CPU_PXA168) += clk-pxa168.o
obj-$(CONFIG_CPU_PXA910) += clk-pxa910.o
obj-$(CONFIG_CPU_MMP2) += clk-mmp2.o
-obj-y += clk-of-pxa1928.o
+obj-$(CONFIG_ARCH_MMP) += clk-of-pxa1928.o clk-of-pxa1908.o
diff --git a/drivers/clk/mmp/clk-of-pxa1908.c b/drivers/clk/mmp/clk-of-pxa1908.c
new file mode 100644
index 000000000000..bbba52b7ded1
--- /dev/null
+++ b/drivers/clk/mmp/clk-of-pxa1908.c
@@ -0,0 +1,286 @@
+// SPDX-License-Identifier: GPL-2.0-only
+#include <linux/bits.h>
+#include <linux/clk-provider.h>
+#include <linux/of_address.h>
+#include <linux/slab.h>
+#include <linux/spinlock.h>
+#include <linux/units.h>
+
+#include <dt-bindings/clock/marvell,pxa1908.h>
+
+#include "clk.h"
+
+#define APBC_INDEX_TO_OFFSET(n) ((n - 1) * 4)
+
+#define APMU_CLK_GATE_CTRL 0x40
+#define MPMU_UART_PLL 0x14
+
+struct pxa1908_clk_unit {
+ struct mmp_clk_unit unit;
+ void __iomem *mpmu_base;
+ void __iomem *apmu_base;
+ void __iomem *apbc_base;
+ void __iomem *apbcp_base;
+ void __iomem *apbs_base;
+ void __iomem *ciu_base;
+};
+
+static struct mmp_param_fixed_rate_clk fixed_rate_clks[] = {
+ {PXA1908_CLK_CLK32, "clk32", NULL, 0, 32768},
+ {PXA1908_CLK_VCTCXO, "vctcxo", NULL, 0, 26 * HZ_PER_MHZ},
+ {PXA1908_CLK_PLL1_624, "pll1_624", NULL, 0, 624 * HZ_PER_MHZ},
+ {PXA1908_CLK_PLL1_416, "pll1_416", NULL, 0, 416 * HZ_PER_MHZ},
+ {PXA1908_CLK_PLL1_499, "pll1_499", NULL, 0, 499 * HZ_PER_MHZ},
+ {PXA1908_CLK_PLL1_832, "pll1_832", NULL, 0, 832 * HZ_PER_MHZ},
+ {PXA1908_CLK_PLL1_1248, "pll1_1248", NULL, 0, 1248 * HZ_PER_MHZ},
+};
+
+static struct mmp_param_fixed_factor_clk fixed_factor_clks[] = {
+ {PXA1908_CLK_PLL1_D2, "pll1_d2", "pll1_624", 1, 2, 0},
+ {PXA1908_CLK_PLL1_D4, "pll1_d4", "pll1_d2", 1, 2, 0},
+ {PXA1908_CLK_PLL1_D6, "pll1_d6", "pll1_d2", 1, 3, 0},
+ {PXA1908_CLK_PLL1_D8, "pll1_d8", "pll1_d4", 1, 2, 0},
+ {PXA1908_CLK_PLL1_D12, "pll1_d12", "pll1_d6", 1, 2, 0},
+ {PXA1908_CLK_PLL1_D13, "pll1_d13", "pll1_624", 1, 13, 0},
+ {PXA1908_CLK_PLL1_D16, "pll1_d16", "pll1_d8", 1, 2, 0},
+ {PXA1908_CLK_PLL1_D24, "pll1_d24", "pll1_d12", 1, 2, 0},
+ {PXA1908_CLK_PLL1_D48, "pll1_d48", "pll1_d24", 1, 2, 0},
+ {PXA1908_CLK_PLL1_D96, "pll1_d96", "pll1_d48", 1, 2, 0},
+ {PXA1908_CLK_PLL1_32, "pll1_32", "pll1_d13", 2, 3, 0},
+ {PXA1908_CLK_PLL1_208, "pll1_208", "pll1_d2", 2, 3, 0},
+ {PXA1908_CLK_PLL1_117, "pll1_117", "pll1_624", 3, 16, 0},
+};
+
+static struct mmp_clk_factor_masks uart_factor_masks = {
+ .factor = 2,
+ .num_mask = GENMASK(12, 0),
+ .den_mask = GENMASK(12, 0),
+ .num_shift = 16,
+ .den_shift = 0,
+};
+
+static struct u32_fract uart_factor_tbl[] = {
+ {.numerator = 8125, .denominator = 1536}, /* 14.745MHz */
+};
+
+static DEFINE_SPINLOCK(pll1_lock);
+static struct mmp_param_general_gate_clk pll1_gate_clks[] = {
+ {PXA1908_CLK_PLL1_D2_GATE, "pll1_d2_gate", "pll1_d2", 0, APMU_CLK_GATE_CTRL, 29, 0, &pll1_lock},
+ {PXA1908_CLK_PLL1_416_GATE, "pll1_416_gate", "pll1_416", 0, APMU_CLK_GATE_CTRL, 27, 0, &pll1_lock},
+ {PXA1908_CLK_PLL1_624_GATE, "pll1_624_gate", "pll1_624", 0, APMU_CLK_GATE_CTRL, 26, 0, &pll1_lock},
+ {PXA1908_CLK_PLL1_832_GATE, "pll1_832_gate", "pll1_832", 0, APMU_CLK_GATE_CTRL, 30, 0, &pll1_lock},
+ {PXA1908_CLK_PLL1_1248_GATE, "pll1_1248_gate", "pll1_1248", 0, APMU_CLK_GATE_CTRL, 28, 0, &pll1_lock},
+};
+
+static void pxa1908_pll_init(struct pxa1908_clk_unit *pxa_unit)
+{
+ struct mmp_clk_unit *unit = &pxa_unit->unit;
+
+ mmp_register_fixed_rate_clks(unit, fixed_rate_clks,
+ ARRAY_SIZE(fixed_rate_clks));
+
+ mmp_register_fixed_factor_clks(unit, fixed_factor_clks,
+ ARRAY_SIZE(fixed_factor_clks));
+
+ mmp_clk_register_factor("uart_pll", "pll1_d4",
+ CLK_SET_RATE_PARENT,
+ pxa_unit->mpmu_base + MPMU_UART_PLL,
+ &uart_factor_masks, uart_factor_tbl,
+ ARRAY_SIZE(uart_factor_tbl), NULL);
+
+}
+
+static DEFINE_SPINLOCK(pwm0_lock);
+static DEFINE_SPINLOCK(pwm2_lock);
+
+static DEFINE_SPINLOCK(uart0_lock);
+static DEFINE_SPINLOCK(uart1_lock);
+static DEFINE_SPINLOCK(uart2_lock);
+
+static const char * const uart_parent_names[] = {"pll1_117", "uart_pll"};
+static const char * const ssp_parent_names[] = {"pll1_d16", "pll1_d48", "pll1_d24", "pll1_d12"};
+
+static struct mmp_param_gate_clk apbc_gate_clks[] = {
+ {PXA1908_CLK_TWSI0, "twsi0_clk", "pll1_32", CLK_SET_RATE_PARENT, APBC_INDEX_TO_OFFSET(PXA1908_CLK_TWSI0), 0x7, 3, 0, 0, NULL},
+ {PXA1908_CLK_TWSI1, "twsi1_clk", "pll1_32", CLK_SET_RATE_PARENT, APBC_INDEX_TO_OFFSET(PXA1908_CLK_TWSI1), 0x7, 3, 0, 0, NULL},
+ {PXA1908_CLK_TWSI3, "twsi3_clk", "pll1_32", CLK_SET_RATE_PARENT, APBC_INDEX_TO_OFFSET(PXA1908_CLK_TWSI3), 0x7, 3, 0, 0, NULL},
+ {PXA1908_CLK_GPIO, "gpio_clk", "vctcxo", CLK_SET_RATE_PARENT, APBC_INDEX_TO_OFFSET(PXA1908_CLK_GPIO), 0x7, 3, 0, 0, NULL},
+ {PXA1908_CLK_KPC, "kpc_clk", "clk32", CLK_SET_RATE_PARENT, APBC_INDEX_TO_OFFSET(PXA1908_CLK_KPC), 0x7, 3, 0, MMP_CLK_GATE_NEED_DELAY, NULL},
+ {PXA1908_CLK_RTC, "rtc_clk", "clk32", CLK_SET_RATE_PARENT, APBC_INDEX_TO_OFFSET(PXA1908_CLK_RTC), 0x87, 0x83, 0, MMP_CLK_GATE_NEED_DELAY, NULL},
+ {PXA1908_CLK_PWM0, "pwm0_clk", "pwm01_apb_share", CLK_SET_RATE_PARENT, APBC_INDEX_TO_OFFSET(PXA1908_CLK_PWM0), 0x2, 2, 0, 0, &pwm0_lock},
+ {PXA1908_CLK_PWM1, "pwm1_clk", "pwm01_apb_share", CLK_SET_RATE_PARENT, APBC_INDEX_TO_OFFSET(PXA1908_CLK_PWM1), 0x6, 2, 0, 0, NULL},
+ {PXA1908_CLK_PWM2, "pwm2_clk", "pwm23_apb_share", CLK_SET_RATE_PARENT, APBC_INDEX_TO_OFFSET(PXA1908_CLK_PWM2), 0x2, 2, 0, 0, NULL},
+ {PXA1908_CLK_PWM3, "pwm3_clk", "pwm23_apb_share", CLK_SET_RATE_PARENT, APBC_INDEX_TO_OFFSET(PXA1908_CLK_PWM3), 0x6, 2, 0, 0, NULL},
+ {PXA1908_CLK_UART0, "uart0_clk", "uart0_mux", CLK_SET_RATE_PARENT, APBC_INDEX_TO_OFFSET(PXA1908_CLK_UART0), 0x7, 3, 0, 0, &uart0_lock},
+ {PXA1908_CLK_UART1, "uart1_clk", "uart1_mux", CLK_SET_RATE_PARENT, APBC_INDEX_TO_OFFSET(PXA1908_CLK_UART1), 0x7, 3, 0, 0, &uart1_lock},
+};
+
+static struct mmp_param_mux_clk apbc_mux_clks[] = {
+ {0, "uart0_mux", uart_parent_names, ARRAY_SIZE(uart_parent_names), CLK_SET_RATE_PARENT, APBC_INDEX_TO_OFFSET(PXA1908_CLK_UART0), 4, 3, 0, &uart0_lock},
+ {0, "uart1_mux", uart_parent_names, ARRAY_SIZE(uart_parent_names), CLK_SET_RATE_PARENT, APBC_INDEX_TO_OFFSET(PXA1908_CLK_UART1), 4, 3, 0, &uart1_lock},
+ {0, "ssp0_mux", ssp_parent_names, ARRAY_SIZE(ssp_parent_names), 0, APBC_INDEX_TO_OFFSET(PXA1908_CLK_SSP0), 4, 3, 0, NULL},
+ {0, "ssp2_mux", ssp_parent_names, ARRAY_SIZE(ssp_parent_names), 0, APBC_INDEX_TO_OFFSET(PXA1908_CLK_SSP2), 4, 3, 0, NULL},
+};
+
+static void pxa1908_apb_periph_clk_init(struct pxa1908_clk_unit *pxa_unit)
+{
+ struct mmp_clk_unit *unit = &pxa_unit->unit;
+
+ mmp_clk_register_gate(NULL, "pwm01_apb_share", "pll1_d48",
+ CLK_SET_RATE_PARENT,
+ pxa_unit->apbc_base + PXA1908_CLK_PWM0 * 4,
+ 0x5, 1, 0, 0, &pwm0_lock);
+ mmp_clk_register_gate(NULL, "pwm23_apb_share", "pll1_d48",
+ CLK_SET_RATE_PARENT,
+ pxa_unit->apbc_base + PXA1908_CLK_PWM2 * 4,
+ 0x5, 1, 0, 0, &pwm2_lock);
+ mmp_register_mux_clks(unit, apbc_mux_clks, pxa_unit->apbc_base,
+ ARRAY_SIZE(apbc_mux_clks));
+ mmp_register_gate_clks(unit, apbc_gate_clks, pxa_unit->apbc_base,
+ ARRAY_SIZE(apbc_gate_clks));
+}
+
+static struct mmp_param_gate_clk apbcp_gate_clks[] = {
+ {PXA1908_CLK_UART2, "uart2_clk", "uart2_mux", CLK_SET_RATE_PARENT, PXA1908_CLK_UART2 * 4, 0x7, 0x3, 0x0, 0, &uart2_lock},
+ {PXA1908_CLK_TWSI2, "twsi2_clk", "pll1_32", CLK_SET_RATE_PARENT, PXA1908_CLK_TWSI2 * 4, 0x7, 0x3, 0x0, 0, NULL},
+ {PXA1908_CLK_AICER, "ripc_clk", NULL, 0, PXA1908_CLK_AICER * 4, 0x7, 0x2, 0x0, 0, NULL},
+};
+
+static struct mmp_param_mux_clk apbcp_mux_clks[] = {
+ {0, "uart2_mux", uart_parent_names, ARRAY_SIZE(uart_parent_names), CLK_SET_RATE_PARENT, PXA1908_CLK_UART2 * 4, 4, 3, 0, &uart2_lock},
+};
+
+static void pxa1908_apb_p_periph_clk_init(struct pxa1908_clk_unit *pxa_unit)
+{
+ struct mmp_clk_unit *unit = &pxa_unit->unit;
+
+ mmp_register_mux_clks(unit, apbcp_mux_clks, pxa_unit->apbcp_base,
+ ARRAY_SIZE(apbcp_mux_clks));
+ mmp_register_gate_clks(unit, apbcp_gate_clks, pxa_unit->apbcp_base,
+ ARRAY_SIZE(apbcp_gate_clks));
+}
+
+static DEFINE_SPINLOCK(sdh0_lock);
+static DEFINE_SPINLOCK(sdh1_lock);
+static DEFINE_SPINLOCK(sdh2_lock);
+
+static const char * const sdh_parent_names[] = {"pll1_416", "pll1_624"};
+
+static struct mmp_clk_mix_config sdh_mix_config = {
+ .reg_info = DEFINE_MIX_REG_INFO(3, 8, 2, 6, 11),
+};
+
+static struct mmp_param_gate_clk apmu_gate_clks[] = {
+ {PXA1908_CLK_USB, "usb_clk", NULL, 0, PXA1908_CLK_USB * 4, 0x9, 0x9, 0x1, 0, NULL},
+ {PXA1908_CLK_SDH0, "sdh0_clk", "sdh0_mix_clk", CLK_SET_RATE_PARENT | CLK_SET_RATE_UNGATE, PXA1908_CLK_SDH0 * 4, 0x12, 0x12, 0x0, 0, &sdh0_lock},
+ {PXA1908_CLK_SDH1, "sdh1_clk", "sdh1_mix_clk", CLK_SET_RATE_PARENT | CLK_SET_RATE_UNGATE, PXA1908_CLK_SDH1 * 4, 0x12, 0x12, 0x0, 0, &sdh1_lock},
+ {PXA1908_CLK_SDH2, "sdh2_clk", "sdh2_mix_clk", CLK_SET_RATE_PARENT | CLK_SET_RATE_UNGATE, PXA1908_CLK_SDH2 * 4, 0x12, 0x12, 0x0, 0, &sdh2_lock}
+};
+
+static void pxa1908_axi_periph_clk_init(struct pxa1908_clk_unit *pxa_unit)
+{
+ struct mmp_clk_unit *unit = &pxa_unit->unit;
+
+ mmp_register_general_gate_clks(unit, pll1_gate_clks,
+ pxa_unit->apmu_base, ARRAY_SIZE(pll1_gate_clks));
+
+ sdh_mix_config.reg_info.reg_clk_ctrl = pxa_unit->apmu_base + PXA1908_CLK_SDH0 * 4;
+ mmp_clk_register_mix(NULL, "sdh0_mix_clk", sdh_parent_names,
+ ARRAY_SIZE(sdh_parent_names), CLK_SET_RATE_PARENT,
+ &sdh_mix_config, &sdh0_lock);
+ sdh_mix_config.reg_info.reg_clk_ctrl = pxa_unit->apmu_base + PXA1908_CLK_SDH1 * 4;
+ mmp_clk_register_mix(NULL, "sdh1_mix_clk", sdh_parent_names,
+ ARRAY_SIZE(sdh_parent_names), CLK_SET_RATE_PARENT,
+ &sdh_mix_config, &sdh1_lock);
+ sdh_mix_config.reg_info.reg_clk_ctrl = pxa_unit->apmu_base + PXA1908_CLK_SDH2 * 4;
+ mmp_clk_register_mix(NULL, "sdh2_mix_clk", sdh_parent_names,
+ ARRAY_SIZE(sdh_parent_names), CLK_SET_RATE_PARENT,
+ &sdh_mix_config, &sdh2_lock);
+
+ mmp_register_gate_clks(unit, apmu_gate_clks, pxa_unit->apmu_base,
+ ARRAY_SIZE(apmu_gate_clks));
+}
+
+static void __init pxa1908_apbc_clk_init(struct device_node *np)
+{
+ struct pxa1908_clk_unit *pxa_unit;
+
+ pxa_unit = kzalloc(sizeof(*pxa_unit), GFP_KERNEL);
+ if (!pxa_unit)
+ return;
+
+ pxa_unit->apbc_base = of_iomap(np, 0);
+ if (!pxa_unit->apbc_base) {
+ pr_err("failed to map apbc registers\n");
+ kfree(pxa_unit);
+ return;
+ }
+
+ mmp_clk_init(np, &pxa_unit->unit, PXA1908_APBC_NR_CLKS);
+
+ pxa1908_apb_periph_clk_init(pxa_unit);
+}
+CLK_OF_DECLARE(pxa1908_apbc, "marvell,pxa1908-apbc", pxa1908_apbc_clk_init);
+
+static void __init pxa1908_apbcp_clk_init(struct device_node *np)
+{
+ struct pxa1908_clk_unit *pxa_unit;
+
+ pxa_unit = kzalloc(sizeof(*pxa_unit), GFP_KERNEL);
+ if (!pxa_unit)
+ return;
+
+ pxa_unit->apbcp_base = of_iomap(np, 0);
+ if (!pxa_unit->apbcp_base) {
+ pr_err("failed to map apbcp registers\n");
+ kfree(pxa_unit);
+ return;
+ }
+
+ mmp_clk_init(np, &pxa_unit->unit, PXA1908_APBCP_NR_CLKS);
+
+ pxa1908_apb_p_periph_clk_init(pxa_unit);
+}
+CLK_OF_DECLARE(pxa1908_apbcp, "marvell,pxa1908-apbcp", pxa1908_apbcp_clk_init);
+
+static void __init pxa1908_mpmu_clk_init(struct device_node *np)
+{
+ struct pxa1908_clk_unit *pxa_unit;
+
+ pxa_unit = kzalloc(sizeof(*pxa_unit), GFP_KERNEL);
+ if (!pxa_unit)
+ return;
+
+ pxa_unit->mpmu_base = of_iomap(np, 0);
+ if (!pxa_unit->mpmu_base) {
+ pr_err("failed to map mpmu registers\n");
+ kfree(pxa_unit);
+ return;
+ }
+
+ mmp_clk_init(np, &pxa_unit->unit, PXA1908_MPMU_NR_CLKS);
+
+ pxa1908_pll_init(pxa_unit);
+}
+CLK_OF_DECLARE(pxa1908_mpmu, "marvell,pxa1908-mpmu", pxa1908_mpmu_clk_init);
+
+static void __init pxa1908_apmu_clk_init(struct device_node *np)
+{
+ struct pxa1908_clk_unit *pxa_unit;
+
+ pxa_unit = kzalloc(sizeof(*pxa_unit), GFP_KERNEL);
+ if (!pxa_unit)
+ return;
+
+ pxa_unit->apmu_base = of_iomap(np, 0);
+ if (!pxa_unit->apmu_base) {
+ pr_err("failed to map apmu registers\n");
+ kfree(pxa_unit);
+ return;
+ }
+
+ mmp_clk_init(np, &pxa_unit->unit, PXA1908_APMU_NR_CLKS);
+
+ pxa1908_axi_periph_clk_init(pxa_unit);
+}
+CLK_OF_DECLARE(pxa1908_apmu, "marvell,pxa1908-apmu", pxa1908_apmu_clk_init);
--
2.41.0
^ permalink raw reply related [flat|nested] 7+ messages in thread