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-rw-r--r--drivers/clk/Kconfig7
-rw-r--r--drivers/clk/Makefile3
-rw-r--r--drivers/clk/at91/clk-usb.c64
-rw-r--r--drivers/clk/bcm/clk-kona.c28
-rw-r--r--drivers/clk/bcm/clk-kona.h1
-rw-r--r--drivers/clk/clk-cdce706.c2
-rw-r--r--drivers/clk/clk-conf.c7
-rw-r--r--drivers/clk/clk-fractional-divider.c3
-rw-r--r--drivers/clk/clk-gpio-gate.c31
-rw-r--r--drivers/clk/clk-mb86s7x.c386
-rw-r--r--drivers/clk/clk-palmas.c2
-rw-r--r--drivers/clk/clk-pwm.c136
-rw-r--r--drivers/clk/clk-si5351.c10
-rw-r--r--drivers/clk/clk-si570.c2
-rw-r--r--drivers/clk/clk.c157
-rw-r--r--drivers/clk/clk.h3
-rw-r--r--drivers/clk/clkdev.c30
-rw-r--r--drivers/clk/hisilicon/clk-hi3620.c70
-rw-r--r--drivers/clk/hisilicon/clk-hix5hd2.c6
-rw-r--r--drivers/clk/mvebu/Kconfig4
-rw-r--r--drivers/clk/mvebu/Makefile1
-rw-r--r--drivers/clk/mvebu/armada-39x.c156
-rw-r--r--drivers/clk/mvebu/common.c17
-rw-r--r--drivers/clk/mvebu/common.h1
-rw-r--r--drivers/clk/mxs/clk-imx23.c12
-rw-r--r--drivers/clk/mxs/clk-imx28.c18
-rw-r--r--drivers/clk/pistachio/Makefile3
-rw-r--r--drivers/clk/pistachio/clk-pistachio.c329
-rw-r--r--drivers/clk/pistachio/clk-pll.c401
-rw-r--r--drivers/clk/pistachio/clk.c140
-rw-r--r--drivers/clk/pistachio/clk.h174
-rw-r--r--drivers/clk/pxa/clk-pxa.h2
-rw-r--r--drivers/clk/pxa/clk-pxa3xx.c3
-rw-r--r--drivers/clk/qcom/Kconfig9
-rw-r--r--drivers/clk/qcom/Makefile1
-rw-r--r--drivers/clk/qcom/clk-pll.c6
-rw-r--r--drivers/clk/qcom/clk-rcg.c188
-rw-r--r--drivers/clk/qcom/clk-rcg.h15
-rw-r--r--drivers/clk/qcom/clk-rcg2.c43
-rw-r--r--drivers/clk/qcom/common.c12
-rw-r--r--drivers/clk/qcom/common.h4
-rw-r--r--drivers/clk/qcom/gcc-apq8084.c62
-rw-r--r--drivers/clk/qcom/gcc-ipq806x.c80
-rw-r--r--drivers/clk/qcom/gcc-msm8660.c22
-rw-r--r--drivers/clk/qcom/gcc-msm8916.c2868
-rw-r--r--drivers/clk/qcom/gcc-msm8960.c32
-rw-r--r--drivers/clk/qcom/gcc-msm8974.c30
-rw-r--r--drivers/clk/qcom/lcc-ipq806x.c35
-rw-r--r--drivers/clk/qcom/lcc-msm8960.c12
-rw-r--r--drivers/clk/qcom/mmcc-apq8084.c168
-rw-r--r--drivers/clk/qcom/mmcc-msm8960.c49
-rw-r--r--drivers/clk/qcom/mmcc-msm8974.c134
-rw-r--r--drivers/clk/rockchip/clk-rk3188.c2
-rw-r--r--drivers/clk/rockchip/clk-rk3288.c2
-rw-r--r--drivers/clk/rockchip/clk.c3
-rw-r--r--drivers/clk/rockchip/clk.h4
-rw-r--r--drivers/clk/samsung/Makefile1
-rw-r--r--drivers/clk/samsung/clk-exynos-clkout.c4
-rw-r--r--drivers/clk/samsung/clk-exynos3250.c163
-rw-r--r--drivers/clk/samsung/clk-exynos4.c11
-rw-r--r--drivers/clk/samsung/clk-exynos5433.c5423
-rw-r--r--drivers/clk/samsung/clk-s5pv210.c56
-rw-r--r--drivers/clk/shmobile/Makefile1
-rw-r--r--drivers/clk/shmobile/clk-r8a7778.c143
-rw-r--r--drivers/clk/st/clkgen-fsyn.c2
-rw-r--r--drivers/clk/st/clkgen-mux.c8
-rw-r--r--drivers/clk/st/clkgen-pll.c4
-rw-r--r--drivers/clk/sunxi/Makefile1
-rw-r--r--drivers/clk/sunxi/clk-sunxi.c185
-rw-r--r--drivers/clk/sunxi/clk-usb.c233
-rw-r--r--drivers/clk/tegra/clk-pll.c7
-rw-r--r--drivers/clk/tegra/clk-tegra-fixed.c24
-rw-r--r--drivers/clk/tegra/clk-tegra-periph.c2
-rw-r--r--drivers/clk/tegra/clk-tegra114.c36
-rw-r--r--drivers/clk/tegra/clk-tegra124.c22
-rw-r--r--drivers/clk/tegra/clk-tegra30.c23
-rw-r--r--drivers/clk/tegra/clk.c16
-rw-r--r--drivers/clk/tegra/clk.h10
-rw-r--r--drivers/clk/ti/apll.c5
-rw-r--r--drivers/clk/ti/autoidle.c2
-rw-r--r--drivers/clk/ti/clk-3xxx-legacy.c16
-rw-r--r--drivers/clk/ti/clk-3xxx.c19
-rw-r--r--drivers/clk/ti/clk-44xx.c11
-rw-r--r--drivers/clk/ti/clk-54xx.c22
-rw-r--r--drivers/clk/ti/clk-7xx.c18
-rw-r--r--drivers/clk/ti/clk-dra7-atl.c2
-rw-r--r--drivers/clk/ti/clk.c7
-rw-r--r--drivers/clk/ti/clockdomain.c2
-rw-r--r--drivers/clk/ti/composite.c2
-rw-r--r--drivers/clk/ti/divider.c4
-rw-r--r--drivers/clk/ti/dpll.c6
-rw-r--r--drivers/clk/ti/fapll.c270
-rw-r--r--drivers/clk/ti/gate.c4
-rw-r--r--drivers/clk/ti/interface.c2
-rw-r--r--drivers/clk/ti/mux.c4
-rw-r--r--drivers/clk/versatile/clk-versatile.c2
-rw-r--r--drivers/clk/versatile/clk-vexpress-osc.c2
-rw-r--r--drivers/clk/zynq/clkc.c24
98 files changed, 11934 insertions, 855 deletions
diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig
index 0b474a04730f..9897f353bf1a 100644
--- a/drivers/clk/Kconfig
+++ b/drivers/clk/Kconfig
@@ -130,6 +130,13 @@ config COMMON_CLK_PALMAS
This driver supports TI Palmas devices 32KHz output KG and KG_AUDIO
using common clock framework.
+config COMMON_CLK_PWM
+ tristate "Clock driver for PWMs used as clock outputs"
+ depends on PWM
+ ---help---
+ Adapter driver so that any PWM output can be (mis)used as clock signal
+ at 50% duty cycle.
+
config COMMON_CLK_PXA
def_bool COMMON_CLK && ARCH_PXA
---help---
diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile
index d478ceb69c5f..3d00c25382c5 100644
--- a/drivers/clk/Makefile
+++ b/drivers/clk/Makefile
@@ -28,6 +28,7 @@ obj-$(CONFIG_MACH_LOONGSON1) += clk-ls1x.o
obj-$(CONFIG_COMMON_CLK_MAX_GEN) += clk-max-gen.o
obj-$(CONFIG_COMMON_CLK_MAX77686) += clk-max77686.o
obj-$(CONFIG_COMMON_CLK_MAX77802) += clk-max77802.o
+obj-$(CONFIG_ARCH_MB86S7X) += clk-mb86s7x.o
obj-$(CONFIG_ARCH_MOXART) += clk-moxart.o
obj-$(CONFIG_ARCH_NOMADIK) += clk-nomadik.o
obj-$(CONFIG_ARCH_NSPIRE) += clk-nspire.o
@@ -42,6 +43,7 @@ obj-$(CONFIG_ARCH_U300) += clk-u300.o
obj-$(CONFIG_ARCH_VT8500) += clk-vt8500.o
obj-$(CONFIG_COMMON_CLK_WM831X) += clk-wm831x.o
obj-$(CONFIG_COMMON_CLK_XGENE) += clk-xgene.o
+obj-$(CONFIG_COMMON_CLK_PWM) += clk-pwm.o
obj-$(CONFIG_COMMON_CLK_AT91) += at91/
obj-$(CONFIG_ARCH_BCM_MOBILE) += bcm/
obj-$(CONFIG_ARCH_BERLIN) += berlin/
@@ -54,6 +56,7 @@ obj-$(CONFIG_ARCH_MMP) += mmp/
endif
obj-$(CONFIG_PLAT_ORION) += mvebu/
obj-$(CONFIG_ARCH_MXS) += mxs/
+obj-$(CONFIG_MACH_PISTACHIO) += pistachio/
obj-$(CONFIG_COMMON_CLK_PXA) += pxa/
obj-$(CONFIG_COMMON_CLK_QCOM) += qcom/
obj-$(CONFIG_ARCH_ROCKCHIP) += rockchip/
diff --git a/drivers/clk/at91/clk-usb.c b/drivers/clk/at91/clk-usb.c
index a23ac0c724f0..0b7c3e8840ba 100644
--- a/drivers/clk/at91/clk-usb.c
+++ b/drivers/clk/at91/clk-usb.c
@@ -56,22 +56,55 @@ static unsigned long at91sam9x5_clk_usb_recalc_rate(struct clk_hw *hw,
return DIV_ROUND_CLOSEST(parent_rate, (usbdiv + 1));
}
-static long at91sam9x5_clk_usb_round_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long *parent_rate)
+static long at91sam9x5_clk_usb_determine_rate(struct clk_hw *hw,
+ unsigned long rate,
+ unsigned long min_rate,
+ unsigned long max_rate,
+ unsigned long *best_parent_rate,
+ struct clk_hw **best_parent_hw)
{
- unsigned long div;
+ struct clk *parent = NULL;
+ long best_rate = -EINVAL;
+ unsigned long tmp_rate;
+ int best_diff = -1;
+ int tmp_diff;
+ int i;
- if (!rate)
- return -EINVAL;
+ for (i = 0; i < __clk_get_num_parents(hw->clk); i++) {
+ int div;
- if (rate >= *parent_rate)
- return *parent_rate;
+ parent = clk_get_parent_by_index(hw->clk, i);
+ if (!parent)
+ continue;
+
+ for (div = 1; div < SAM9X5_USB_MAX_DIV + 2; div++) {
+ unsigned long tmp_parent_rate;
+
+ tmp_parent_rate = rate * div;
+ tmp_parent_rate = __clk_round_rate(parent,
+ tmp_parent_rate);
+ tmp_rate = DIV_ROUND_CLOSEST(tmp_parent_rate, div);
+ if (tmp_rate < rate)
+ tmp_diff = rate - tmp_rate;
+ else
+ tmp_diff = tmp_rate - rate;
+
+ if (best_diff < 0 || best_diff > tmp_diff) {
+ best_rate = tmp_rate;
+ best_diff = tmp_diff;
+ *best_parent_rate = tmp_parent_rate;
+ *best_parent_hw = __clk_get_hw(parent);
+ }
+
+ if (!best_diff || tmp_rate < rate)
+ break;
+ }
- div = DIV_ROUND_CLOSEST(*parent_rate, rate);
- if (div > SAM9X5_USB_MAX_DIV + 1)
- div = SAM9X5_USB_MAX_DIV + 1;
+ if (!best_diff)
+ break;
+ }
- return DIV_ROUND_CLOSEST(*parent_rate, div);
+ return best_rate;
}
static int at91sam9x5_clk_usb_set_parent(struct clk_hw *hw, u8 index)
@@ -121,7 +154,7 @@ static int at91sam9x5_clk_usb_set_rate(struct clk_hw *hw, unsigned long rate,
static const struct clk_ops at91sam9x5_usb_ops = {
.recalc_rate = at91sam9x5_clk_usb_recalc_rate,
- .round_rate = at91sam9x5_clk_usb_round_rate,
+ .determine_rate = at91sam9x5_clk_usb_determine_rate,
.get_parent = at91sam9x5_clk_usb_get_parent,
.set_parent = at91sam9x5_clk_usb_set_parent,
.set_rate = at91sam9x5_clk_usb_set_rate,
@@ -159,7 +192,7 @@ static const struct clk_ops at91sam9n12_usb_ops = {
.disable = at91sam9n12_clk_usb_disable,
.is_enabled = at91sam9n12_clk_usb_is_enabled,
.recalc_rate = at91sam9x5_clk_usb_recalc_rate,
- .round_rate = at91sam9x5_clk_usb_round_rate,
+ .determine_rate = at91sam9x5_clk_usb_determine_rate,
.set_rate = at91sam9x5_clk_usb_set_rate,
};
@@ -179,7 +212,8 @@ at91sam9x5_clk_register_usb(struct at91_pmc *pmc, const char *name,
init.ops = &at91sam9x5_usb_ops;
init.parent_names = parent_names;
init.num_parents = num_parents;
- init.flags = CLK_SET_RATE_GATE | CLK_SET_PARENT_GATE;
+ init.flags = CLK_SET_RATE_GATE | CLK_SET_PARENT_GATE |
+ CLK_SET_RATE_PARENT;
usb->hw.init = &init;
usb->pmc = pmc;
@@ -207,7 +241,7 @@ at91sam9n12_clk_register_usb(struct at91_pmc *pmc, const char *name,
init.ops = &at91sam9n12_usb_ops;
init.parent_names = &parent_name;
init.num_parents = 1;
- init.flags = CLK_SET_RATE_GATE;
+ init.flags = CLK_SET_RATE_GATE | CLK_SET_RATE_PARENT;
usb->hw.init = &init;
usb->pmc = pmc;
diff --git a/drivers/clk/bcm/clk-kona.c b/drivers/clk/bcm/clk-kona.c
index 05abae89262e..a0ef4f75d457 100644
--- a/drivers/clk/bcm/clk-kona.c
+++ b/drivers/clk/bcm/clk-kona.c
@@ -15,6 +15,7 @@
#include "clk-kona.h"
#include <linux/delay.h>
+#include <linux/kernel.h>
/*
* "Policies" affect the frequencies of bus clocks provided by a
@@ -51,21 +52,6 @@ static inline u32 bitfield_replace(u32 reg_val, u32 shift, u32 width, u32 val)
/* Divider and scaling helpers */
-/*
- * Implement DIV_ROUND_CLOSEST() for 64-bit dividend and both values
- * unsigned. Note that unlike do_div(), the remainder is discarded
- * and the return value is the quotient (not the remainder).
- */
-u64 do_div_round_closest(u64 dividend, unsigned long divisor)
-{
- u64 result;
-
- result = dividend + ((u64)divisor >> 1);
- (void)do_div(result, divisor);
-
- return result;
-}
-
/* Convert a divider into the scaled divisor value it represents. */
static inline u64 scaled_div_value(struct bcm_clk_div *div, u32 reg_div)
{
@@ -87,7 +73,7 @@ u64 scaled_div_build(struct bcm_clk_div *div, u32 div_value, u32 billionths)
combined = (u64)div_value * BILLION + billionths;
combined <<= div->u.s.frac_width;
- return do_div_round_closest(combined, BILLION);
+ return DIV_ROUND_CLOSEST_ULL(combined, BILLION);
}
/* The scaled minimum divisor representable by a divider */
@@ -731,7 +717,7 @@ static unsigned long clk_recalc_rate(struct ccu_data *ccu,
scaled_rate = scale_rate(pre_div, parent_rate);
scaled_rate = scale_rate(div, scaled_rate);
scaled_div = divider_read_scaled(ccu, pre_div);
- scaled_parent_rate = do_div_round_closest(scaled_rate,
+ scaled_parent_rate = DIV_ROUND_CLOSEST_ULL(scaled_rate,
scaled_div);
} else {
scaled_parent_rate = scale_rate(div, parent_rate);
@@ -743,7 +729,7 @@ static unsigned long clk_recalc_rate(struct ccu_data *ccu,
* rate.
*/
scaled_div = divider_read_scaled(ccu, div);
- result = do_div_round_closest(scaled_parent_rate, scaled_div);
+ result = DIV_ROUND_CLOSEST_ULL(scaled_parent_rate, scaled_div);
return (unsigned long)result;
}
@@ -790,7 +776,7 @@ static long round_rate(struct ccu_data *ccu, struct bcm_clk_div *div,
scaled_rate = scale_rate(pre_div, parent_rate);
scaled_rate = scale_rate(div, scaled_rate);
scaled_pre_div = divider_read_scaled(ccu, pre_div);
- scaled_parent_rate = do_div_round_closest(scaled_rate,
+ scaled_parent_rate = DIV_ROUND_CLOSEST_ULL(scaled_rate,
scaled_pre_div);
} else {
scaled_parent_rate = scale_rate(div, parent_rate);
@@ -802,7 +788,7 @@ static long round_rate(struct ccu_data *ccu, struct bcm_clk_div *div,
* the best we can do.
*/
if (!divider_is_fixed(div)) {
- best_scaled_div = do_div_round_closest(scaled_parent_rate,
+ best_scaled_div = DIV_ROUND_CLOSEST_ULL(scaled_parent_rate,
rate);
min_scaled_div = scaled_div_min(div);
max_scaled_div = scaled_div_max(div);
@@ -815,7 +801,7 @@ static long round_rate(struct ccu_data *ccu, struct bcm_clk_div *div,
}
/* OK, figure out the resulting rate */
- result = do_div_round_closest(scaled_parent_rate, best_scaled_div);
+ result = DIV_ROUND_CLOSEST_ULL(scaled_parent_rate, best_scaled_div);
if (scaled_div)
*scaled_div = best_scaled_div;
diff --git a/drivers/clk/bcm/clk-kona.h b/drivers/clk/bcm/clk-kona.h
index 2537b3072910..6849a64baf6d 100644
--- a/drivers/clk/bcm/clk-kona.h
+++ b/drivers/clk/bcm/clk-kona.h
@@ -503,7 +503,6 @@ extern struct clk_ops kona_peri_clk_ops;
/* Externally visible functions */
-extern u64 do_div_round_closest(u64 dividend, unsigned long divisor);
extern u64 scaled_div_max(struct bcm_clk_div *div);
extern u64 scaled_div_build(struct bcm_clk_div *div, u32 div_value,
u32 billionths);
diff --git a/drivers/clk/clk-cdce706.c b/drivers/clk/clk-cdce706.c
index c386ad25beb4..b8e4f8a822e9 100644
--- a/drivers/clk/clk-cdce706.c
+++ b/drivers/clk/clk-cdce706.c
@@ -58,7 +58,7 @@
#define CDCE706_CLKOUT_DIVIDER_MASK 0x7
#define CDCE706_CLKOUT_ENABLE_MASK 0x8
-static struct regmap_config cdce706_regmap_config = {
+static const struct regmap_config cdce706_regmap_config = {
.reg_bits = 8,
.val_bits = 8,
.val_format_endian = REGMAP_ENDIAN_NATIVE,
diff --git a/drivers/clk/clk-conf.c b/drivers/clk/clk-conf.c
index aad4796aa3ed..48a65b2b4027 100644
--- a/drivers/clk/clk-conf.c
+++ b/drivers/clk/clk-conf.c
@@ -13,7 +13,6 @@
#include <linux/device.h>
#include <linux/of.h>
#include <linux/printk.h>
-#include "clk.h"
static int __set_clk_parents(struct device_node *node, bool clk_supplier)
{
@@ -39,7 +38,7 @@ static int __set_clk_parents(struct device_node *node, bool clk_supplier)
}
if (clkspec.np == node && !clk_supplier)
return 0;
- pclk = of_clk_get_by_clkspec(&clkspec);
+ pclk = of_clk_get_from_provider(&clkspec);
if (IS_ERR(pclk)) {
pr_warn("clk: couldn't get parent clock %d for %s\n",
index, node->full_name);
@@ -54,7 +53,7 @@ static int __set_clk_parents(struct device_node *node, bool clk_supplier)
rc = 0;
goto err;
}
- clk = of_clk_get_by_clkspec(&clkspec);
+ clk = of_clk_get_from_provider(&clkspec);
if (IS_ERR(clk)) {
pr_warn("clk: couldn't get parent clock %d for %s\n",
index, node->full_name);
@@ -98,7 +97,7 @@ static int __set_clk_rates(struct device_node *node, bool clk_supplier)
if (clkspec.np == node && !clk_supplier)
return 0;
- clk = of_clk_get_by_clkspec(&clkspec);
+ clk = of_clk_get_from_provider(&clkspec);
if (IS_ERR(clk)) {
pr_warn("clk: couldn't get clock %d for %s\n",