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-rw-r--r--include/linux/clk/at91_pmc.h200
-rw-r--r--include/linux/clk/bcm2835.h24
-rw-r--r--include/linux/clk/clk-conf.h22
-rw-r--r--include/linux/clk/gdsc.h22
-rw-r--r--include/linux/clk/msm-clk-provider.h270
-rw-r--r--include/linux/clk/msm-clk.h138
-rw-r--r--include/linux/clk/msm-clock-generic.h323
-rw-r--r--include/linux/clk/mxs.h14
-rw-r--r--include/linux/clk/shmobile.h35
-rw-r--r--include/linux/clk/tegra.h124
-rw-r--r--include/linux/clk/ti.h308
-rw-r--r--include/linux/clk/zynq.h30
12 files changed, 1510 insertions, 0 deletions
diff --git a/include/linux/clk/at91_pmc.h b/include/linux/clk/at91_pmc.h
new file mode 100644
index 000000000000..1e6932222e11
--- /dev/null
+++ b/include/linux/clk/at91_pmc.h
@@ -0,0 +1,200 @@
+/*
+ * include/linux/clk/at91_pmc.h
+ *
+ * Copyright (C) 2005 Ivan Kokshaysky
+ * Copyright (C) SAN People
+ *
+ * Power Management Controller (PMC) - System peripherals registers.
+ * Based on AT91RM9200 datasheet revision E.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef AT91_PMC_H
+#define AT91_PMC_H
+
+#ifndef __ASSEMBLY__
+extern void __iomem *at91_pmc_base;
+
+#define at91_pmc_read(field) \
+ readl_relaxed(at91_pmc_base + field)
+
+#define at91_pmc_write(field, value) \
+ writel_relaxed(value, at91_pmc_base + field)
+#else
+.extern at91_pmc_base
+#endif
+
+#define AT91_PMC_SCER 0x00 /* System Clock Enable Register */
+#define AT91_PMC_SCDR 0x04 /* System Clock Disable Register */
+
+#define AT91_PMC_SCSR 0x08 /* System Clock Status Register */
+#define AT91_PMC_PCK (1 << 0) /* Processor Clock */
+#define AT91RM9200_PMC_UDP (1 << 1) /* USB Devcice Port Clock [AT91RM9200 only] */
+#define AT91RM9200_PMC_MCKUDP (1 << 2) /* USB Device Port Master Clock Automatic Disable on Suspend [AT91RM9200 only] */
+#define AT91RM9200_PMC_UHP (1 << 4) /* USB Host Port Clock [AT91RM9200 only] */
+#define AT91SAM926x_PMC_UHP (1 << 6) /* USB Host Port Clock [AT91SAM926x only] */
+#define AT91SAM926x_PMC_UDP (1 << 7) /* USB Devcice Port Clock [AT91SAM926x only] */
+#define AT91_PMC_PCK0 (1 << 8) /* Programmable Clock 0 */
+#define AT91_PMC_PCK1 (1 << 9) /* Programmable Clock 1 */
+#define AT91_PMC_PCK2 (1 << 10) /* Programmable Clock 2 */
+#define AT91_PMC_PCK3 (1 << 11) /* Programmable Clock 3 */
+#define AT91_PMC_PCK4 (1 << 12) /* Programmable Clock 4 [AT572D940HF only] */
+#define AT91_PMC_HCK0 (1 << 16) /* AHB Clock (USB host) [AT91SAM9261 only] */
+#define AT91_PMC_HCK1 (1 << 17) /* AHB Clock (LCD) [AT91SAM9261 only] */
+
+#define AT91_PMC_PCER 0x10 /* Peripheral Clock Enable Register */
+#define AT91_PMC_PCDR 0x14 /* Peripheral Clock Disable Register */
+#define AT91_PMC_PCSR 0x18 /* Peripheral Clock Status Register */
+
+#define AT91_CKGR_UCKR 0x1C /* UTMI Clock Register [some SAM9] */
+#define AT91_PMC_UPLLEN (1 << 16) /* UTMI PLL Enable */
+#define AT91_PMC_UPLLCOUNT (0xf << 20) /* UTMI PLL Start-up Time */
+#define AT91_PMC_BIASEN (1 << 24) /* UTMI BIAS Enable */
+#define AT91_PMC_BIASCOUNT (0xf << 28) /* UTMI BIAS Start-up Time */
+
+#define AT91_CKGR_MOR 0x20 /* Main Oscillator Register [not on SAM9RL] */
+#define AT91_PMC_MOSCEN (1 << 0) /* Main Oscillator Enable */
+#define AT91_PMC_OSCBYPASS (1 << 1) /* Oscillator Bypass */
+#define AT91_PMC_MOSCRCEN (1 << 3) /* Main On-Chip RC Oscillator Enable [some SAM9] */
+#define AT91_PMC_OSCOUNT (0xff << 8) /* Main Oscillator Start-up Time */
+#define AT91_PMC_KEY (0x37 << 16) /* MOR Writing Key */
+#define AT91_PMC_MOSCSEL (1 << 24) /* Main Oscillator Selection [some SAM9] */
+#define AT91_PMC_CFDEN (1 << 25) /* Clock Failure Detector Enable [some SAM9] */
+
+#define AT91_CKGR_MCFR 0x24 /* Main Clock Frequency Register */
+#define AT91_PMC_MAINF (0xffff << 0) /* Main Clock Frequency */
+#define AT91_PMC_MAINRDY (1 << 16) /* Main Clock Ready */
+
+#define AT91_CKGR_PLLAR 0x28 /* PLL A Register */
+#define AT91_CKGR_PLLBR 0x2c /* PLL B Register */
+#define AT91_PMC_DIV (0xff << 0) /* Divider */
+#define AT91_PMC_PLLCOUNT (0x3f << 8) /* PLL Counter */
+#define AT91_PMC_OUT (3 << 14) /* PLL Clock Frequency Range */
+#define AT91_PMC_MUL (0x7ff << 16) /* PLL Multiplier */
+#define AT91_PMC_MUL_GET(n) ((n) >> 16 & 0x7ff)
+#define AT91_PMC3_MUL (0x7f << 18) /* PLL Multiplier [SAMA5 only] */
+#define AT91_PMC3_MUL_GET(n) ((n) >> 18 & 0x7f)
+#define AT91_PMC_USBDIV (3 << 28) /* USB Divisor (PLLB only) */
+#define AT91_PMC_USBDIV_1 (0 << 28)
+#define AT91_PMC_USBDIV_2 (1 << 28)
+#define AT91_PMC_USBDIV_4 (2 << 28)
+#define AT91_PMC_USB96M (1 << 28) /* Divider by 2 Enable (PLLB only) */
+
+#define AT91_PMC_MCKR 0x30 /* Master Clock Register */
+#define AT91_PMC_CSS (3 << 0) /* Master Clock Selection */
+#define AT91_PMC_CSS_SLOW (0 << 0)
+#define AT91_PMC_CSS_MAIN (1 << 0)
+#define AT91_PMC_CSS_PLLA (2 << 0)
+#define AT91_PMC_CSS_PLLB (3 << 0)
+#define AT91_PMC_CSS_UPLL (3 << 0) /* [some SAM9 only] */
+#define PMC_PRES_OFFSET 2
+#define AT91_PMC_PRES (7 << PMC_PRES_OFFSET) /* Master Clock Prescaler */
+#define AT91_PMC_PRES_1 (0 << PMC_PRES_OFFSET)
+#define AT91_PMC_PRES_2 (1 << PMC_PRES_OFFSET)
+#define AT91_PMC_PRES_4 (2 << PMC_PRES_OFFSET)
+#define AT91_PMC_PRES_8 (3 << PMC_PRES_OFFSET)
+#define AT91_PMC_PRES_16 (4 << PMC_PRES_OFFSET)
+#define AT91_PMC_PRES_32 (5 << PMC_PRES_OFFSET)
+#define AT91_PMC_PRES_64 (6 << PMC_PRES_OFFSET)
+#define PMC_ALT_PRES_OFFSET 4
+#define AT91_PMC_ALT_PRES (7 << PMC_ALT_PRES_OFFSET) /* Master Clock Prescaler [alternate location] */
+#define AT91_PMC_ALT_PRES_1 (0 << PMC_ALT_PRES_OFFSET)
+#define AT91_PMC_ALT_PRES_2 (1 << PMC_ALT_PRES_OFFSET)
+#define AT91_PMC_ALT_PRES_4 (2 << PMC_ALT_PRES_OFFSET)
+#define AT91_PMC_ALT_PRES_8 (3 << PMC_ALT_PRES_OFFSET)
+#define AT91_PMC_ALT_PRES_16 (4 << PMC_ALT_PRES_OFFSET)
+#define AT91_PMC_ALT_PRES_32 (5 << PMC_ALT_PRES_OFFSET)
+#define AT91_PMC_ALT_PRES_64 (6 << PMC_ALT_PRES_OFFSET)
+#define AT91_PMC_MDIV (3 << 8) /* Master Clock Division */
+#define AT91RM9200_PMC_MDIV_1 (0 << 8) /* [AT91RM9200 only] */
+#define AT91RM9200_PMC_MDIV_2 (1 << 8)
+#define AT91RM9200_PMC_MDIV_3 (2 << 8)
+#define AT91RM9200_PMC_MDIV_4 (3 << 8)
+#define AT91SAM9_PMC_MDIV_1 (0 << 8) /* [SAM9 only] */
+#define AT91SAM9_PMC_MDIV_2 (1 << 8)
+#define AT91SAM9_PMC_MDIV_4 (2 << 8)
+#define AT91SAM9_PMC_MDIV_6 (3 << 8) /* [some SAM9 only] */
+#define AT91SAM9_PMC_MDIV_3 (3 << 8) /* [some SAM9 only] */
+#define AT91_PMC_PDIV (1 << 12) /* Processor Clock Division [some SAM9 only] */
+#define AT91_PMC_PDIV_1 (0 << 12)
+#define AT91_PMC_PDIV_2 (1 << 12)
+#define AT91_PMC_PLLADIV2 (1 << 12) /* PLLA divisor by 2 [some SAM9 only] */
+#define AT91_PMC_PLLADIV2_OFF (0 << 12)
+#define AT91_PMC_PLLADIV2_ON (1 << 12)
+#define AT91_PMC_H32MXDIV BIT(24)
+
+#define AT91_PMC_USB 0x38 /* USB Clock Register [some SAM9 only] */
+#define AT91_PMC_USBS (0x1 << 0) /* USB OHCI Input clock selection */
+#define AT91_PMC_USBS_PLLA (0 << 0)
+#define AT91_PMC_USBS_UPLL (1 << 0)
+#define AT91_PMC_USBS_PLLB (1 << 0) /* [AT91SAMN12 only] */
+#define AT91_PMC_OHCIUSBDIV (0xF << 8) /* Divider for USB OHCI Clock */
+#define AT91_PMC_OHCIUSBDIV_1 (0x0 << 8)
+#define AT91_PMC_OHCIUSBDIV_2 (0x1 << 8)
+
+#define AT91_PMC_SMD 0x3c /* Soft Modem Clock Register [some SAM9 only] */
+#define AT91_PMC_SMDS (0x1 << 0) /* SMD input clock selection */
+#define AT91_PMC_SMD_DIV (0x1f << 8) /* SMD input clock divider */
+#define AT91_PMC_SMDDIV(n) (((n) << 8) & AT91_PMC_SMD_DIV)
+
+#define AT91_PMC_PCKR(n) (0x40 + ((n) * 4)) /* Programmable Clock 0-N Registers */
+#define AT91_PMC_ALT_PCKR_CSS (0x7 << 0) /* Programmable Clock Source Selection [alternate length] */
+#define AT91_PMC_CSS_MASTER (4 << 0) /* [some SAM9 only] */
+#define AT91_PMC_CSSMCK (0x1 << 8) /* CSS or Master Clock Selection */
+#define AT91_PMC_CSSMCK_CSS (0 << 8)
+#define AT91_PMC_CSSMCK_MCK (1 << 8)
+
+#define AT91_PMC_IER 0x60 /* Interrupt Enable Register */
+#define AT91_PMC_IDR 0x64 /* Interrupt Disable Register */
+#define AT91_PMC_SR 0x68 /* Status Register */
+#define AT91_PMC_MOSCS (1 << 0) /* MOSCS Flag */
+#define AT91_PMC_LOCKA (1 << 1) /* PLLA Lock */
+#define AT91_PMC_LOCKB (1 << 2) /* PLLB Lock */
+#define AT91_PMC_MCKRDY (1 << 3) /* Master Clock */
+#define AT91_PMC_LOCKU (1 << 6) /* UPLL Lock [some SAM9] */
+#define AT91_PMC_OSCSEL (1 << 7) /* Slow Oscillator Selection [some SAM9] */
+#define AT91_PMC_PCK0RDY (1 << 8) /* Programmable Clock 0 */
+#define AT91_PMC_PCK1RDY (1 << 9) /* Programmable Clock 1 */
+#define AT91_PMC_PCK2RDY (1 << 10) /* Programmable Clock 2 */
+#define AT91_PMC_PCK3RDY (1 << 11) /* Programmable Clock 3 */
+#define AT91_PMC_MOSCSELS (1 << 16) /* Main Oscillator Selection [some SAM9] */
+#define AT91_PMC_MOSCRCS (1 << 17) /* Main On-Chip RC [some SAM9] */
+#define AT91_PMC_CFDEV (1 << 18) /* Clock Failure Detector Event [some SAM9] */
+#define AT91_PMC_GCKRDY (1 << 24) /* Generated Clocks */
+#define AT91_PMC_IMR 0x6c /* Interrupt Mask Register */
+
+#define AT91_PMC_PLLICPR 0x80 /* PLL Charge Pump Current Register */
+
+#define AT91_PMC_PROT 0xe4 /* Write Protect Mode Register [some SAM9] */
+#define AT91_PMC_WPEN (0x1 << 0) /* Write Protect Enable */
+#define AT91_PMC_WPKEY (0xffffff << 8) /* Write Protect Key */
+#define AT91_PMC_PROTKEY (0x504d43 << 8) /* Activation Code */
+
+#define AT91_PMC_WPSR 0xe8 /* Write Protect Status Register [some SAM9] */
+#define AT91_PMC_WPVS (0x1 << 0) /* Write Protect Violation Status */
+#define AT91_PMC_WPVSRC (0xffff << 8) /* Write Protect Violation Source */
+
+#define AT91_PMC_PCER1 0x100 /* Peripheral Clock Enable Register 1 [SAMA5 only]*/
+#define AT91_PMC_PCDR1 0x104 /* Peripheral Clock Enable Register 1 */
+#define AT91_PMC_PCSR1 0x108 /* Peripheral Clock Enable Register 1 */
+
+#define AT91_PMC_PCR 0x10c /* Peripheral Control Register [some SAM9 and SAMA5] */
+#define AT91_PMC_PCR_PID_MASK 0x3f
+#define AT91_PMC_PCR_GCKCSS_OFFSET 8
+#define AT91_PMC_PCR_GCKCSS_MASK (0x7 << AT91_PMC_PCR_GCKCSS_OFFSET)
+#define AT91_PMC_PCR_GCKCSS(n) ((n) << AT91_PMC_PCR_GCKCSS_OFFSET) /* GCK Clock Source Selection */
+#define AT91_PMC_PCR_CMD (0x1 << 12) /* Command (read=0, write=1) */
+#define AT91_PMC_PCR_DIV_OFFSET 16
+#define AT91_PMC_PCR_DIV_MASK (0x3 << AT91_PMC_PCR_DIV_OFFSET)
+#define AT91_PMC_PCR_DIV(n) ((n) << AT91_PMC_PCR_DIV_OFFSET) /* Divisor Value */
+#define AT91_PMC_PCR_GCKDIV_OFFSET 20
+#define AT91_PMC_PCR_GCKDIV_MASK (0xff << AT91_PMC_PCR_GCKDIV_OFFSET)
+#define AT91_PMC_PCR_GCKDIV(n) ((n) << AT91_PMC_PCR_GCKDIV_OFFSET) /* Generated Clock Divisor Value */
+#define AT91_PMC_PCR_EN (0x1 << 28) /* Enable */
+#define AT91_PMC_PCR_GCKEN (0x1 << 29) /* GCK Enable */
+
+#endif
diff --git a/include/linux/clk/bcm2835.h b/include/linux/clk/bcm2835.h
new file mode 100644
index 000000000000..aa937f6c17da
--- /dev/null
+++ b/include/linux/clk/bcm2835.h
@@ -0,0 +1,24 @@
+/*
+ * Copyright (C) 2010 Broadcom
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef __LINUX_CLK_BCM2835_H_
+#define __LINUX_CLK_BCM2835_H_
+
+void __init bcm2835_init_clocks(void);
+
+#endif
diff --git a/include/linux/clk/clk-conf.h b/include/linux/clk/clk-conf.h
new file mode 100644
index 000000000000..e0c362363c38
--- /dev/null
+++ b/include/linux/clk/clk-conf.h
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) 2014 Samsung Electronics Co., Ltd.
+ * Sylwester Nawrocki <s.nawrocki@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/types.h>
+
+struct device_node;
+
+#if defined(CONFIG_OF) && defined(CONFIG_COMMON_CLK)
+int of_clk_set_defaults(struct device_node *node, bool clk_supplier);
+#else
+static inline int of_clk_set_defaults(struct device_node *node,
+ bool clk_supplier)
+{
+ return 0;
+}
+#endif
diff --git a/include/linux/clk/gdsc.h b/include/linux/clk/gdsc.h
new file mode 100644
index 000000000000..b012ed06d3f4
--- /dev/null
+++ b/include/linux/clk/gdsc.h
@@ -0,0 +1,22 @@
+/*
+ * Copyright (c) 2015 The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef __GDSC_H
+#define __GDSC_H
+
+#include <linux/regulator/consumer.h>
+
+/* Allow the clock memories to be turned off */
+void gdsc_allow_clear_retention(struct regulator *regulator);
+
+#endif
diff --git a/include/linux/clk/msm-clk-provider.h b/include/linux/clk/msm-clk-provider.h
new file mode 100644
index 000000000000..2fa8916ad356
--- /dev/null
+++ b/include/linux/clk/msm-clk-provider.h
@@ -0,0 +1,270 @@
+/*
+ * Copyright (C) 2007 Google, Inc.
+ * Copyright (c) 2007-2016, The Linux Foundation. All rights reserved.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef __MSM_CLK_PROVIDER_H
+#define __MSM_CLK_PROVIDER_H
+
+#include <linux/types.h>
+#include <linux/err.h>
+#include <linux/list.h>
+#include <linux/clkdev.h>
+#include <linux/of.h>
+#include <linux/device.h>
+#include <linux/spinlock.h>
+#include <linux/platform_device.h>
+#include <linux/mutex.h>
+#include <linux/regulator/consumer.h>
+#include <linux/seq_file.h>
+#include <linux/clk/msm-clk.h>
+
+#if defined(CONFIG_COMMON_CLK_MSM)
+/*
+ * Bit manipulation macros
+ */
+#define BM(msb, lsb) (((((uint32_t)-1) << (31-msb)) >> (31-msb+lsb)) << lsb)
+#define BVAL(msb, lsb, val) (((val) << lsb) & BM(msb, lsb))
+
+/*
+ * Halt/Status Checking Mode Macros
+ */
+#define HALT 0 /* Bit pol: 1 = halted */
+#define NOCHECK 1 /* No bit to check, do nothing */
+#define HALT_VOTED 2 /* Bit pol: 1 = halted; delay on disable */
+#define ENABLE 3 /* Bit pol: 1 = running */
+#define ENABLE_VOTED 4 /* Bit pol: 1 = running; delay on disable */
+#define DELAY 5 /* No bit to check, just delay */
+
+struct clk_register_data {
+ char *name;
+ u32 offset;
+};
+#ifdef CONFIG_DEBUG_FS
+void clk_debug_print_hw(struct clk *clk, struct seq_file *f);
+#else
+static inline void clk_debug_print_hw(struct clk *clk, struct seq_file *f) {}
+#endif
+
+#define CLK_WARN(clk, cond, fmt, ...) do { \
+ clk_debug_print_hw(clk, NULL); \
+ WARN(cond, "%s: " fmt, clk_name(clk), ##__VA_ARGS__); \
+} while (0)
+
+/**
+ * struct clk_vdd_class - Voltage scaling class
+ * @class_name: name of the class
+ * @regulator: array of regulators.
+ * @num_regulators: size of regulator array. Standard regulator APIs will be
+ used if this field > 0.
+ * @set_vdd: function to call when applying a new voltage setting.
+ * @vdd_uv: sorted 2D array of legal voltage settings. Indexed by level, then
+ regulator.
+ * @vdd_ua: sorted 2D array of legal cureent settings. Indexed by level, then
+ regulator. Optional parameter.
+ * @level_votes: array of votes for each level.
+ * @num_levels: specifies the size of level_votes array.
+ * @skip_handoff: do not vote for the max possible voltage during init
+ * @use_max_uV: use INT_MAX for max_uV when calling regulator_set_voltage
+ * This is useful when different vdd_class share same regulator.
+ * @cur_level: the currently set voltage level
+ * @lock: lock to protect this struct
+ */
+struct clk_vdd_class {
+ const char *class_name;
+ struct regulator **regulator;
+ int num_regulators;
+ int (*set_vdd)(struct clk_vdd_class *v_class, int level);
+ int *vdd_uv;
+ int *vdd_ua;
+ int *level_votes;
+ int num_levels;
+ bool skip_handoff;
+ bool use_max_uV;
+ unsigned long cur_level;
+ struct mutex lock;
+};
+
+#define DEFINE_VDD_CLASS(_name, _set_vdd, _num_levels) \
+ struct clk_vdd_class _name = { \
+ .class_name = #_name, \
+ .set_vdd = _set_vdd, \
+ .level_votes = (int [_num_levels]) {}, \
+ .num_levels = _num_levels, \
+ .cur_level = _num_levels, \
+ .lock = __MUTEX_INITIALIZER(_name.lock) \
+ }
+
+#define DEFINE_VDD_REGULATORS(_name, _num_levels, _num_regulators, _vdd_uv, \
+ _vdd_ua) \
+ struct clk_vdd_class _name = { \
+ .class_name = #_name, \
+ .vdd_uv = _vdd_uv, \
+ .vdd_ua = _vdd_ua, \
+ .regulator = (struct regulator * [_num_regulators]) {}, \
+ .num_regulators = _num_regulators, \
+ .level_votes = (int [_num_levels]) {}, \
+ .num_levels = _num_levels, \
+ .cur_level = _num_levels, \
+ .lock = __MUTEX_INITIALIZER(_name.lock) \
+ }
+
+#define DEFINE_VDD_REGS_INIT(_name, _num_regulators) \
+ struct clk_vdd_class _name = { \
+ .class_name = #_name, \
+ .regulator = (struct regulator * [_num_regulators]) {}, \
+ .num_regulators = _num_regulators, \
+ .lock = __MUTEX_INITIALIZER(_name.lock) \
+ }
+
+enum handoff {
+ HANDOFF_ENABLED_CLK,
+ HANDOFF_DISABLED_CLK,
+};
+
+struct clk_ops {
+ int (*prepare)(struct clk *clk);
+ int (*enable)(struct clk *clk);
+ void (*disable)(struct clk *clk);
+ void (*unprepare)(struct clk *clk);
+ void (*enable_hwcg)(struct clk *clk);
+ void (*disable_hwcg)(struct clk *clk);
+ int (*in_hwcg_mode)(struct clk *clk);
+ enum handoff (*handoff)(struct clk *clk);
+ int (*reset)(struct clk *clk, enum clk_reset_action action);
+ int (*pre_set_rate)(struct clk *clk, unsigned long new_rate);
+ int (*set_rate)(struct clk *clk, unsigned long rate);
+ void (*post_set_rate)(struct clk *clk, unsigned long old_rate);
+ int (*set_max_rate)(struct clk *clk, unsigned long rate);
+ int (*set_flags)(struct clk *clk, unsigned flags);
+ unsigned long (*get_rate)(struct clk *clk);
+ long (*list_rate)(struct clk *clk, unsigned n);
+ int (*is_enabled)(struct clk *clk);
+ long (*round_rate)(struct clk *clk, unsigned long rate);
+ int (*set_parent)(struct clk *clk, struct clk *parent);
+ struct clk *(*get_parent)(struct clk *clk);
+ bool (*is_local)(struct clk *clk);
+ void __iomem *(*list_registers)(struct clk *clk, int n,
+ struct clk_register_data **regs, u32 *size);
+};
+
+/**
+ * struct clk
+ * @prepare_count: prepare refcount
+ * @prepare_lock: protects clk_prepare()/clk_unprepare() path and @prepare_count
+ * @count: enable refcount
+ * @lock: protects clk_enable()/clk_disable() path and @count
+ * @depends: non-direct parent of clock to enable when this clock is enabled
+ * @vdd_class: voltage scaling requirement class
+ * @fmax: maximum frequency in Hz supported at each voltage level
+ * @parent: the current source of this clock
+ * @opp_table_populated: tracks if the OPP table of this clock has been filled
+ */
+struct clk {
+ uint32_t flags;
+ struct clk_ops *ops;
+ const char *dbg_name;
+ struct clk *depends;
+ struct clk_vdd_class *vdd_class;
+ unsigned long *fmax;
+ int num_fmax;
+ unsigned long rate;
+ struct clk *parent;
+ struct clk_src *parents;
+ unsigned int num_parents;
+
+ struct list_head children;
+ struct list_head siblings;
+ struct list_head list;
+
+ unsigned count;
+ unsigned notifier_count;
+ spinlock_t lock;
+ unsigned prepare_count;
+ struct mutex prepare_lock;
+
+ unsigned long init_rate;
+ bool always_on;
+ bool opp_table_populated;
+
+ struct dentry *clk_dir;
+};
+
+#define CLK_INIT(name) \
+ .lock = __SPIN_LOCK_UNLOCKED((name).lock), \
+ .prepare_lock = __MUTEX_INITIALIZER((name).prepare_lock), \
+ .children = LIST_HEAD_INIT((name).children), \
+ .siblings = LIST_HEAD_INIT((name).siblings), \
+ .list = LIST_HEAD_INIT((name).list)
+
+bool is_rate_valid(struct clk *clk, unsigned long rate);
+int vote_vdd_level(struct clk_vdd_class *vdd_class, int level);
+int unvote_vdd_level(struct clk_vdd_class *vdd_class, int level);
+int __clk_pre_reparent(struct clk *c, struct clk *new, unsigned long *flags);
+void __clk_post_reparent(struct clk *c, struct clk *old, unsigned long *flags);
+
+/* Register clocks with the MSM clock driver */
+int msm_clock_register(struct clk_lookup *table, size_t size);
+int of_msm_clock_register(struct device_node *np, struct clk_lookup *table,
+ size_t size);
+
+int clock_rcgwr_init(struct platform_device *pdev);
+int clock_rcgwr_disable(struct platform_device *pdev);
+
+extern struct clk dummy_clk;
+extern struct clk_ops clk_ops_dummy;
+
+#define CLK_DUMMY(clk_name, clk_id, clk_dev, flags) { \
+ .con_id = clk_name, \
+ .dev_id = clk_dev, \
+ .clk = &dummy_clk, \
+ }
+
+#define DEFINE_CLK_DUMMY(name, _rate) \
+ static struct fixed_clk name = { \
+ .c = { \
+ .dbg_name = #name, \
+ .rate = _rate, \
+ .ops = &clk_ops_dummy, \
+ CLK_INIT(name.c), \
+ }, \
+ };
+
+#define CLK_LOOKUP(con, c, dev) { .con_id = con, .clk = &c, .dev_id = dev }
+#define CLK_LOOKUP_OF(con, _c, dev) { .con_id = con, .clk = &(&_c)->c, \
+ .dev_id = dev, .of_idx = clk_##_c }
+#define CLK_LIST(_c) { .clk = &(&_c)->c, .of_idx = clk_##_c }
+
+static inline bool is_better_rate(unsigned long req, unsigned long best,
+ unsigned long new)
+{
+ if (IS_ERR_VALUE(new))
+ return false;
+
+ return (req <= new && new < best) || (best < req && best < new);
+}
+
+extern int of_clk_add_provider(struct device_node *np,
+ struct clk *(*clk_src_get)(struct of_phandle_args *args,
+ void *data),
+ void *data);
+extern void of_clk_del_provider(struct device_node *np);
+
+static inline const char *clk_name(struct clk *c)
+{
+ if (IS_ERR_OR_NULL(c))
+ return "(null)";
+ return c->dbg_name;
+};
+#endif /* CONFIG_COMMON_CLK_MSM */
+#endif
diff --git a/include/linux/clk/msm-clk.h b/include/linux/clk/msm-clk.h
new file mode 100644
index 000000000000..8455fd776246
--- /dev/null
+++ b/include/linux/clk/msm-clk.h
@@ -0,0 +1,138 @@
+/* Copyright (c) 2009, 2012-2016, The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+#ifndef __MACH_CLK_H
+#define __MACH_CLK_H
+
+#include <linux/notifier.h>
+
+#if defined(CONFIG_COMMON_CLK_QCOM)
+enum branch_mem_flags {
+ CLKFLAG_RETAIN_PERIPH,
+ CLKFLAG_NORETAIN_PERIPH,
+ CLKFLAG_RETAIN_MEM,
+ CLKFLAG_NORETAIN_MEM,
+ CLKFLAG_PERIPH_OFF_SET,
+ CLKFLAG_PERIPH_OFF_CLEAR,
+};
+
+#include <linux/clk.h>
+
+#elif defined(CONFIG_COMMON_CLK_MSM)
+#define CLKFLAG_INVERT 0x00000001
+#define CLKFLAG_NOINVERT 0x00000002
+#define CLKFLAG_NONEST 0x00000004
+#define CLKFLAG_NORESET 0x00000008
+#define CLKFLAG_RETAIN_PERIPH 0x00000010
+#define CLKFLAG_NORETAIN_PERIPH 0x00000020
+#define CLKFLAG_RETAIN_MEM 0x00000040
+#define CLKFLAG_NORETAIN_MEM 0x00000080
+#define CLKFLAG_SKIP_HANDOFF 0x00000100
+#define CLKFLAG_MIN 0x00000400
+#define CLKFLAG_MAX 0x00000800
+#define CLKFLAG_INIT_DONE 0x00001000
+#define CLKFLAG_INIT_ERR 0x00002000
+#define CLKFLAG_NO_RATE_CACHE 0x00004000
+#define CLKFLAG_MEASURE 0x00008000
+#define CLKFLAG_EPROBE_DEFER 0x00010000
+#define CLKFLAG_PERIPH_OFF_SET 0x00020000
+#define CLKFLAG_PERIPH_OFF_CLEAR 0x00040000
+
+struct clk_lookup;
+struct clk;
+
+enum clk_reset_action {
+ CLK_RESET_DEASSERT = 0,
+ CLK_RESET_ASSERT = 1
+};
+
+struct clk_src {
+ struct clk *src;
+ int sel;
+};
+
+/* Rate is maximum clock rate in Hz */
+int clk_set_max_rate(struct clk *clk, unsigned long rate);
+
+/* Assert/Deassert reset to a hardware block associated with a clock */
+int clk_reset(struct clk *clk, enum clk_reset_action action);
+
+/* Set clock-specific configuration parameters */
+int clk_set_flags(struct clk *clk, unsigned long flags);
+
+/* returns the mux selection index associated with a particular parent */
+int parent_to_src_sel(struct clk_src *parents, int num_parents, struct clk *p);
+
+/* returns the mux selection index associated with a particular parent */
+int clk_get_parent_sel(struct clk *c, struct clk *parent);
+
+/**
+ * DOC: clk notifier callback types
+ *
+ * PRE_RATE_CHANGE - called immediately before the clk rate is changed,
+ * to indicate that the rate change will proceed. Drivers must
+ * immediately terminate any operations that will be affected by the
+ * rate change. Callbacks may either return NOTIFY_DONE, NOTIFY_OK,
+ * NOTIFY_STOP or NOTIFY_BAD.
+ *
+ * ABORT_RATE_CHANGE: called if the rate change failed for some reason
+ * after PRE_RATE_CHANGE. In this case, all registered notifiers on
+ * the clk will be called with ABORT_RATE_CHANGE. Callbacks must
+ * always return NOTIFY_DONE or NOTIFY_OK.
+ *
+ * POST_RATE_CHANGE - called after the clk rate change has successfully
+ * completed. Callbacks must always return NOTIFY_DONE or NOTIFY_OK.
+ *
+ */
+#define PRE_RATE_CHANGE BIT(0)
+#define POST_RATE_CHANGE BIT(1)
+#define ABORT_RATE_CHANGE BIT(2)
+
+/**
+ * struct msm_clk_notifier - associate a clk with a notifier
+ * @clk: struct clk * to associate the notifier with
+ * @notifier_head: a blocking_notifier_head for this clk
+ * @node: linked list pointers
+ *
+ * A list of struct clk_notifier is maintained by the notifier code.
+ * An entry is created whenever code registers the first notifier on a
+ * particular @clk. Future notifiers on that @clk are added to the
+ * @notifier_head.
+ */
+struct msm_clk_notifier {
+ struct clk *clk;
+ struct srcu_notifier_head notifier_head;
+ struct list_head node;
+};
+
+/**
+ * struct msm_clk_notifier_data - rate data to pass to the notifier callback
+ * @clk: struct clk * being changed
+ * @old_rate: previous rate of this clk
+ * @new_rate: new rate of this clk
+ *
+ * For a pre-notifier, old_rate is the clk's rate before this rate
+ * change, and new_rate is what the rate will be in the future. For a
+ * post-notifier, old_rate and new_rate are both set to the clk's
+ * current rate (this was done to optimize the implementation).
+ */
+struct msm_clk_notifier_data {
+ struct clk *clk;
+ unsigned long old_rate;
+ unsigned long new_rate;
+};
+
+int msm_clk_notif_register(struct clk *clk, struct notifier_block *nb);
+
+int msm_clk_notif_unregister(struct clk *clk, struct notifier_block *nb);
+
+#endif /* CONFIG_COMMON_CLK_MSM */
+#endif
diff --git a/include/linux/clk/msm-clock-generic.h b/include/linux/clk/msm-clock-generic.h
new file mode 100644
index 000000000000..cb2d8787b84f
--- /dev/null
+++ b/include/linux/clk/msm-clock-generic.h
@@ -0,0 +1,323 @@
+/*
+ * Copyright (c) 2013-2018, The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef __MSM_CLOCK_GENERIC_H
+#define __MSM_CLOCK_GENERIC_H
+
+#include <linux/clk/msm-clk-provider.h>
+#include <linux/of.h>
+
+/**
+ * struct fixed_clk - fixed rate clock
+ * @c: clk
+ */
+struct fixed_clk {
+ struct clk c;
+};
+
+/* ==================== Mux clock ==================== */
+
+struct mux_clk;
+
+struct clk_mux_ops {
+ int (*set_mux_sel)(struct mux_clk *clk, int sel);
+ int (*get_mux_sel)(struct mux_clk *clk);
+
+ /* Optional */
+ bool (*is_enabled)(struct mux_clk *clk);
+ int (*enable)(struct mux_clk *clk);
+ void (*disable)(struct mux_clk *clk);
+ void __iomem *(*list_registers)(struct mux_clk *clk, int n,
+ struct clk_register_data **regs, u32 *size);
+};
+
+#define MUX_SRC_LIST(...) \
+ .parents = (struct clk_src[]){__VA_ARGS__}, \
+ .num_parents = ARRAY_SIZE(((struct clk_src[]){__VA_ARGS__}))
+
+#define MUX_REC_SRC_LIST(...) \
+ .rec_parents = (struct clk * []){__VA_ARGS__}, \
+ .num_rec_parents = ARRAY_SIZE(((struct clk * []){__VA_ARGS__}))
+
+struct mux_clk {
+ /* Parents in decreasing order of preference for obtaining rates. */
+ struct clk_src *parents;
+ int num_parents;
+ /* Recursively search for the requested parent in rec_parents. */
+ struct clk **rec_parents;
+ int num_rec_parents;
+ struct clk *safe_parent;
+ int safe_sel;
+ unsigned long safe_freq;
+ /*
+ * Before attempting a clk_round_rate on available sources, attempt a
+ * clk_get_rate on all those sources. If one of them is already at the
+ * necessary rate, that source will be used.
+ */
+ bool try_get_rate;
+ struct clk_mux_ops *ops;
+ /*
+ * Set if you need the mux to try a new parent before falling back to
+ * the current parent. If the safe_parent field above is set, then the
+ * safe_sel intermediate source will only be used if we fall back to
+ * to the current parent during mux_set_rate.
+ */
+ bool try_new_parent;
+
+ /* Fields not used by helper function. */
+ void *const __iomem *base;
+ u32 offset;
+ u32 en_offset;
+ u32 mask;
+ u32 shift;
+ u32 en_mask;
+ /*
+ * Set post divider for debug mux in order to divide the clock
+ * by post_div + 1.
+ */
+ u32 post_div;
+ int low_power_sel;
+ void *priv;
+
+ struct clk c;
+};
+
+static inline struct mux_clk *to_mux_clk(struct clk *c)
+{
+ return container_of(c, struct mux_clk, c);
+}
+
+extern struct clk_ops clk_ops_gen_mux;
+
+/* ==================== Divider clock ==================== */
+
+struct div_clk;
+
+struct clk_div_ops {
+ int (*set_div)(struct div_clk *clk, int div);
+ int (*get_div)(struct div_clk *clk);
+ bool (*is_enabled)(struct div_clk *clk);
+ int (*enable)(struct div_clk *clk);
+ void (*disable)(struct div_clk *clk);
+ void __iomem *(*list_registers)(struct div_clk *clk, int n,
+ struct clk_register_data **regs, u32 *size);
+};
+
+struct div_data {
+ unsigned int div;
+ unsigned int min_div;
+ unsigned int max_div;
+ unsigned long rate_margin;
+ /*
+ * Indicate whether this divider clock supports half-interger divider.
+ * If it is, all the min_div and max_div have been doubled. It means
+ * they are 2*N.
+ */
+ bool is_half_divider;
+ /*
+ * Skip odd dividers since the hardware may not support them.
+ */
+ bool skip_odd_div;
+ bool skip_even_div;
+ bool allow_div_one;
+ unsigned int cached_div;
+};
+
+struct div_clk {
+ struct div_data data;
+
+ /*
+ * Some implementations may require the divider to be set to a "safe"
+ * value that allows reprogramming of upstream clocks without violating
+ * voltage constraints.
+ */
+ unsigned long safe_freq;
+
+ /* Optional */
+ struct clk_div_ops *ops;
+
+ /* Fields not used by helper function. */
+ void *const __iomem *base;
+ u32 offset;
+ u32 mask;
+ u32 shift;
+ u32 en_mask;
+ void *priv;
+ struct clk c;
+};
+
+static inline struct div_clk *to_div_clk(struct clk *c)
+{
+ return container_of(c, struct div_clk, c);
+}
+
+extern struct clk_ops clk_ops_div;
+extern struct clk_ops clk_ops_slave_div;
+
+struct ext_clk {
+ struct clk c;
+ struct device *dev;
+ char *clk_id;
+};
+
+long parent_round_rate(struct clk *c, unsigned long rate);
+unsigned long parent_get_rate(struct clk *c);
+int parent_set_rate(struct clk *c, unsigned long rate);
+
+static inline struct ext_clk *to_ext_clk(struct clk *c)
+{
+ return container_of(c, struct ext_clk, c);
+}
+
+extern struct clk_ops clk_ops_ext;
+
+#define DEFINE_FIXED_DIV_CLK(clk_name, _div, _parent) \
+static struct div_clk clk_name = { \
+ .data = { \
+ .max_div = _div, \
+ .min_div = _div, \
+ .div = _div, \
+ }, \
+ .c = { \
+ .parent = _parent, \
+ .dbg_name = #clk_name, \
+ .ops = &clk_ops_div, \
+ CLK_INIT(clk_name.c), \
+ } \
+}
+
+#define DEFINE_FIXED_SLAVE_DIV_CLK(clk_name, _div, _parent) \
+static struct div_clk clk_name = { \
+ .data = { \
+ .max_div = _div, \
+ .min_div = _div, \
+ .div = _div, \
+ }, \
+ .c = { \
+ .parent = _parent, \
+ .dbg_name = #clk_name, \
+ .ops = &clk_ops_slave_div, \
+ CLK_INIT(clk_name.c), \
+ } \
+}
+
+#define DEFINE_EXT_CLK(clk_name, _parent) \
+static struct ext_clk clk_name = { \
+ .c = { \
+ .parent = _parent, \
+ .dbg_name = #clk_name, \
+ .ops = &clk_ops_ext, \
+ CLK_INIT(clk_name.c), \
+ } \
+}
+
+/* ==================== Mux Div clock ==================== */
+
+struct mux_div_clk;
+
+/*
+ * struct mux_div_ops
+ * the enable and disable ops are optional.
+ */
+
+struct mux_div_ops {
+ int (*set_src_div)(struct mux_div_clk *, u32 src_sel, u32 div);
+ void (*get_src_div)(struct mux_div_clk *, u32 *src_sel, u32 *div);
+ int (*enable)(struct mux_div_clk *);
+ void (*disable)(struct mux_div_clk *);
+ bool (*is_enabled)(struct mux_div_clk *);
+ void __iomem *(*list_registers)(struct mux_div_clk *md, int n,
+ struct clk_register_data **regs, u32 *size);
+};
+
+/*
+ * struct mux_div_clk - combined mux/divider clock
+ * @priv
+ parameters needed by ops
+ * @safe_freq
+ when switching rates from A to B, the mux div clock will
+ instead switch from A -> safe_freq -> B. This allows the
+ mux_div clock to change rates while enabled, even if this
+ behavior is not supported by the parent clocks.
+
+ If changing the rate of parent A also causes the rate of
+ parent B to change, then safe_freq must be defined.
+
+ safe_freq is expected to have a source clock which is always
+ on and runs at only one rate.
+ * @parents
+ list of parents and mux indicies
+ * @ops
+ function pointers for hw specific operations
+ * @src_sel
+ the mux index which will be used if the clock is enabled.
+ * @try_get_rate
+ Set if you need the mux to directly jump to a source
+ that is at the desired rate currently.
+ * @force_enable_md
+ Set if the mux-div needs to be force enabled/disabled during
+ clk_enable/disable.
+ */
+
+struct mux_div_clk {
+ /* Required parameters */
+ struct mux_div_ops *ops;
+ struct div_data data;
+ struct clk_src *parents;
+ u32 num_parents;
+
+ struct clk c;
+
+ /* Internal */
+ u32 src_sel;
+
+ /* Optional parameters */
+ void *priv;
+ void __iomem *base;
+ u32 div_mask;
+ u32 div_offset;
+ u32 div_shift;
+ u32 src_mask;
+ u32 src_offset;
+ u32 src_shift;
+ u32 en_mask;
+ u32 en_offset;
+
+ u32 safe_div;
+ struct clk *safe_parent;
+ unsigned long safe_freq;
+ bool try_get_rate;
+ bool force_enable_md;
+};
+
+static inline struct mux_div_clk *to_mux_div_clk(struct clk *clk)
+{
+ return container_of(clk, struct mux_div_clk, c);
+}
+
+extern struct clk_ops clk_ops_mux_div_clk;
+
+/* ==================== Virtual clock ==================== */
+struct virtclk_front {
+ int id;
+ struct clk c;
+ u32 flag;
+};
+
+extern struct clk_ops virtclk_front_ops;
+
+int msm_virtclk_front_probe(struct platform_device *pdev,
+ struct clk_lookup *table,
+ size_t size);
+
+#endif
diff --git a/include/linux/clk/mxs.h b/include/linux/clk/mxs.h
new file mode 100644
index 000000000000..5138a90e018c
--- /dev/null
+++ b/include/linux/clk/mxs.h
@@ -0,0 +1,14 @@
+/*
+ * Copyright (C) 2013 Freescale Semiconductor, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __LINUX_CLK_MXS_H
+#define __LINUX_CLK_MXS_H
+
+int mxs_saif_clkmux_select(unsigned int clkmux);
+
+#endif
diff --git a/include/linux/clk/shmobile.h b/include/linux/clk/shmobile.h
new file mode 100644
index 000000000000..cb19cc1865ca
--- /dev/null
+++ b/include/linux/clk/shmobile.h
@@ -0,0 +1,35 @@
+/*
+ * Copyright 2013 Ideas On Board SPRL
+ * Copyright 2013, 2014 Horms Solutions Ltd.
+ *
+ * Contact: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
+ * Contact: Simon Horman <horms@verge.net.au>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef __LINUX_CLK_SHMOBILE_H_
+#define __LINUX_CLK_SHMOBILE_H_
+
+#include <linux/types.h>
+
+struct device;
+struct device_node;
+struct generic_pm_domain;
+
+void r8a7778_clocks_init(u32 mode);
+void r8a7779_clocks_init(u32 mode);
+void rcar_gen2_clocks_init(u32 mode);
+
+#ifdef CONFIG_PM_GENERIC_DOMAINS_OF
+void cpg_mstp_add_clk_domain(struct device_node *np);
+int cpg_mstp_attach_dev(struct generic_pm_domain *domain, struct device *dev);
+void cpg_mstp_detach_dev(struct generic_pm_domain *domain, struct device *dev);
+#else
+static inline void cpg_mstp_add_clk_domain(struct device_node *np) {}
+#endif
+
+#endif
diff --git a/include/linux/clk/tegra.h b/include/linux/clk/tegra.h
new file mode 100644
index 000000000000..57bf7aab4516
--- /dev/null
+++ b/include/linux/clk/tegra.h
@@ -0,0 +1,124 @@
+/*
+ * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __LINUX_CLK_TEGRA_H_
+#define __LINUX_CLK_TEGRA_H_
+
+#include <linux/types.h>
+#include <linux/bug.h>
+
+/*
+ * Tegra CPU clock and reset control ops
+ *
+ * wait_for_reset:
+ * keep waiting until the CPU in reset state
+ * put_in_reset:
+ * put the CPU in reset state
+ * out_of_reset:
+ * release the CPU from reset state
+ * enable_clock:
+ * CPU clock un-gate
+ * disable_clock:
+ * CPU clock gate
+ * rail_off_ready:
+ * CPU is ready for rail off
+ * suspend:
+ * save the clock settings when CPU go into low-power state
+ * resume:
+ * restore the clock settings when CPU exit low-power state
+ */
+struct tegra_cpu_car_ops {
+ void (*wait_for_reset)(u32 cpu);
+ void (*put_in_reset)(u32 cpu);
+ void (*out_of_reset)(u32 cpu);
+ void (*enable_clock)(u32 cpu);
+ void (*disable_clock)(u32 cpu);
+#ifdef CONFIG_PM_SLEEP
+ bool (*rail_off_ready)(void);
+ void (*suspend)(void);
+ void (*resume)(void);
+#endif
+};
+
+extern struct tegra_cpu_car_ops *tegra_cpu_car_ops;
+
+static inline void tegra_wait_cpu_in_reset(u32 cpu)
+{
+ if (WARN_ON(!tegra_cpu_car_ops->wait_for_reset))
+ return;
+
+ tegra_cpu_car_ops->wait_for_reset(cpu);
+}
+
+static inline void tegra_put_cpu_in_reset(u32 cpu)
+{
+ if (WARN_ON(!tegra_cpu_car_ops->put_in_reset))
+ return;
+
+ tegra_cpu_car_ops->put_in_reset(cpu);
+}
+
+static inline void tegra_cpu_out_of_reset(u32 cpu)
+{
+ if (WARN_ON(!tegra_cpu_car_ops->out_of_reset))
+ return;
+
+ tegra_cpu_car_ops->out_of_reset(cpu);
+}
+
+static inline void tegra_enable_cpu_clock(u32 cpu)
+{
+ if (WARN_ON(!tegra_cpu_car_ops->enable_clock))
+ return;
+
+ tegra_cpu_car_ops->enable_clock(cpu);
+}
+
+static inline void tegra_disable_cpu_clock(u32 cpu)
+{
+ if (WARN_ON(!tegra_cpu_car_ops->disable_clock))
+ return;
+
+ tegra_cpu_car_ops->disable_clock(cpu);
+}
+
+#ifdef CONFIG_PM_SLEEP
+static inline bool tegra_cpu_rail_off_ready(void)
+{
+ if (WARN_ON(!tegra_cpu_car_ops->rail_off_ready))
+ return false;
+
+ return tegra_cpu_car_ops->rail_off_ready();
+}
+
+static inline void tegra_cpu_clock_suspend(void)
+{
+ if (WARN_ON(!tegra_cpu_car_ops->suspend))
+ return;
+
+ tegra_cpu_car_ops->suspend();
+}
+
+static inline void tegra_cpu_clock_resume(void)
+{
+ if (WARN_ON(!tegra_cpu_car_ops->resume))
+ return;
+
+ tegra_cpu_car_ops->resume();
+}
+#endif
+
+#endif /* __LINUX_CLK_TEGRA_H_ */
diff --git a/include/linux/clk/ti.h b/include/linux/clk/ti.h
new file mode 100644
index 000000000000..223be696df27
--- /dev/null
+++ b/include/linux/clk/ti.h
@@ -0,0 +1,308 @@
+/*
+ * TI clock drivers support
+ *
+ * Copyright (C) 2013 Texas Instruments, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed "as is" WITHOUT ANY WARRANTY of any
+ * kind, whether express or implied; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+#ifndef __LINUX_CLK_TI_H__
+#define __LINUX_CLK_TI_H__
+
+#include <linux/clk-provider.h>
+#include <linux/clkdev.h>
+
+/**
+ * struct dpll_data - DPLL registers and integration data
+ * @mult_div1_reg: register containing the DPLL M and N bitfields
+ * @mult_mask: mask of the DPLL M bitfield in @mult_div1_reg
+ * @div1_mask: mask of the DPLL N bitfield in @mult_div1_reg
+ * @clk_bypass: struct clk pointer to the clock's bypass clock input
+ * @clk_ref: struct clk pointer to the clock's reference clock input
+ * @control_reg: register containing the DPLL mode bitfield
+ * @enable_mask: mask of the DPLL mode bitfield in @control_reg
+ * @last_rounded_rate: cache of the last rate result of omap2_dpll_round_rate()
+ * @last_rounded_m: cache of the last M result of omap2_dpll_round_rate()
+ * @last_rounded_m4xen: cache of the last M4X result of
+ * omap4_dpll_regm4xen_round_rate()
+ * @last_rounded_lpmode: cache of the last lpmode result of
+ * omap4_dpll_lpmode_recalc()
+ * @max_multiplier: maximum valid non-bypass multiplier value (actual)
+ * @last_rounded_n: cache of the last N result of omap2_dpll_round_rate()
+ * @min_divider: minimum valid non-bypass divider value (actual)
+ * @max_divider: maximum valid non-bypass divider value (actual)
+ * @modes: possible values of @enable_mask
+ * @autoidle_reg: register containing the DPLL autoidle mode bitfield
+ * @idlest_reg: register containing the DPLL idle status bitfield
+ * @autoidle_mask: mask of the DPLL autoidle mode bitfield in @autoidle_reg
+ * @freqsel_mask: mask of the DPLL jitter correction bitfield in @control_reg
+ * @dcc_mask: mask of the DPLL DCC correction bitfield @mult_div1_reg
+ * @dcc_rate: rate atleast which DCC @dcc_mask must be set
+ * @idlest_mask: mask of the DPLL idle status bitfield in @idlest_reg
+ * @lpmode_mask: mask of the DPLL low-power mode bitfield in @control_reg
+ * @m4xen_mask: mask of the DPLL M4X multiplier bitfield in @control_reg
+ * @auto_recal_bit: bitshift of the driftguard enable bit in @control_reg
+ * @recal_en_bit: bitshift of the PRM_IRQENABLE_* bit for recalibration IRQs
+ * @recal_st_bit: bitshift of the PRM_IRQSTATUS_* bit for recalibration IRQs
+ * @flags: DPLL type/features (see below)
+ *
+ * Possible values for @flags:
+ * DPLL_J_TYPE: "J-type DPLL" (only some 36xx, 4xxx DPLLs)
+ *
+ * @freqsel_mask is only used on the OMAP34xx family and AM35xx.
+ *
+ * XXX Some DPLLs have multiple bypass inputs, so it's not technically
+ * correct to only have one @clk_bypass pointer.
+ *
+ * XXX The runtime-variable fields (@last_rounded_rate, @last_rounded_m,
+ * @last_rounded_n) should be separated from the runtime-fixed fields
+ * and placed into a different structure, so that the runtime-fixed data
+ * can be placed into read-only space.
+ */
+struct dpll_data {
+ void __iomem *mult_div1_reg;
+ u32 mult_mask;
+ u32 div1_mask;
+ struct clk *clk_bypass;
+ struct clk *clk_ref;
+ void __iomem *control_reg;
+ u32 enable_mask;
+ unsigned long last_rounded_rate;
+ u16 last_rounded_m;
+ u8 last_rounded_m4xen;
+ u8 last_rounded_lpmode;
+ u16 max_multiplier;
+ u8 last_rounded_n;
+ u8 min_divider;
+ u16 max_divider;
+ u8 modes;
+ void __iomem *autoidle_reg;
+ void __iomem *idlest_reg;
+ u32 autoidle_mask;
+ u32 freqsel_mask;
+ u32 idlest_mask;
+ u32 dco_mask;
+ u32 sddiv_mask;
+ u32 dcc_mask;
+ unsigned long dcc_rate;
+ u32 lpmode_mask;
+ u32 m4xen_mask;
+ u8 auto_recal_bit;
+ u8 recal_en_bit;
+ u8 recal_st_bit;
+ u8 flags;
+};
+
+struct clk_hw_omap;
+
+/**
+ * struct clk_hw_omap_ops - OMAP clk ops
+ * @find_idlest: find idlest register information for a clock
+ * @find_companion: find companion clock register information for a clock,
+ * basically converts CM_ICLKEN* <-> CM_FCLKEN*
+ * @allow_idle: enables autoidle hardware functionality for a clock
+ * @deny_idle: prevent autoidle hardware functionality for a clock
+ */
+struct clk_hw_omap_ops {
+ void (*find_idlest)(struct clk_hw_omap *oclk,
+ void __iomem **idlest_reg,
+ u8 *idlest_bit, u8 *idlest_val);
+ void (*find_companion)(struct clk_hw_omap *oclk,
+ void __iomem **other_reg,
+ u8 *other_bit);
+ void (*allow_idle)(struct clk_hw_omap *oclk);
+ void (*deny_idle)(struct clk_hw_omap *oclk);
+};
+
+/**
+ * struct clk_hw_omap - OMAP struct clk
+ * @node: list_head connecting this clock into the full clock list
+ * @enable_reg: register to write to enable the clock (see @enable_bit)
+ * @enable_bit: bitshift to write to enable/disable the clock (see @enable_reg)
+ * @flags: see "struct clk.flags possibilities" above
+ * @clksel_reg: for clksel clks, register va containing src/divisor select
+ * @clksel_mask: bitmask in @clksel_reg for the src/divisor selector
+ * @clksel: for clksel clks, pointer to struct clksel for this clock
+ * @dpll_data: for DPLLs, pointer to struct dpll_data for this clock
+ * @clkdm_name: clockdomain name that this clock is contained in
+ * @clkdm: pointer to struct clockdomain, resolved from @clkdm_name at runtime
+ * @ops: clock ops for this clock
+ */
+struct clk_hw_omap {
+ struct clk_hw hw;
+ struct list_head node;
+ unsigned long fixed_rate;
+ u8 fixed_div;
+ void __iomem *enable_reg;
+ u8 enable_bit;
+ u8 flags;
+ void __iomem *clksel_reg;
+ u32 clksel_mask;
+ const struct clksel *clksel;
+ struct dpll_data *dpll_data;
+ const char *clkdm_name;
+ struct clockdomain *clkdm;
+ const struct clk_hw_omap_ops *ops;
+};
+
+/*
+ * struct clk_hw_omap.flags possibilities
+ *
+ * XXX document the rest of the clock flags here
+ *
+ * ENABLE_REG_32BIT: (OMAP1 only) clock control register must be accessed
+ * with 32bit ops, by default OMAP1 uses 16bit ops.
+ * CLOCK_IDLE_CONTROL: (OMAP1 only) clock has autoidle support.
+ * CLOCK_NO_IDLE_PARENT: (OMAP1 only) when clock is enabled, its parent
+ * clock is put to no-idle mode.
+ * ENABLE_ON_INIT: Clock is enabled on init.
+ * INVERT_ENABLE: By default, clock enable bit behavior is '1' enable, '0'
+ * disable. This inverts the behavior making '0' enable and '1' disable.
+ * CLOCK_CLKOUTX2: (OMAP4 only) DPLL CLKOUT and CLKOUTX2 GATE_CTRL
+ * bits share the same register. This flag allows the
+ * omap4_dpllmx*() code to determine which GATE_CTRL bit field
+ * should be used. This is a temporary solution - a better approach
+ * would be to associate clock type-specific data with the clock,
+ * similar to the struct dpll_data approach.
+ * MEMMAP_ADDRESSING: Use memmap addressing to access clock registers.
+ */
+#define ENABLE_REG_32BIT (1 << 0) /* Use 32-bit access */
+#define CLOCK_IDLE_CONTROL (1 << 1)
+#define CLOCK_NO_IDLE_PARENT (1 << 2)
+#define ENABLE_ON_INIT (1 << 3) /* Enable upon framework init */
+#define INVERT_ENABLE (1 << 4) /* 0 enables, 1 disables */
+#define CLOCK_CLKOUTX2 (1 << 5)
+#define MEMMAP_ADDRESSING (1 << 6)
+
+/* CM_CLKEN_PLL*.EN* bit values - not all are available for every DPLL */
+#define DPLL_LOW_POWER_STOP 0x1
+#define DPLL_LOW_POWER_BYPASS 0x5
+#define DPLL_LOCKED 0x7
+
+/* DPLL Type and DCO Selection Flags */
+#define DPLL_J_TYPE 0x1
+
+/* Static memmap indices */
+enum {
+ TI_CLKM_CM = 0,
+ TI_CLKM_CM2,
+ TI_CLKM_PRM,
+ TI_CLKM_SCRM,
+ TI_CLKM_CTRL,
+ CLK_MAX_MEMMAPS
+};
+
+/**
+ * struct clk_omap_reg - OMAP register declaration
+ * @offset: offset from the master IP module base address
+ * @index: index of the master IP module
+ */
+struct clk_omap_reg {
+ u16 offset;
+ u16 index;
+};
+
+/**
+ * struct ti_clk_ll_ops - low-level ops for clocks
+ * @clk_readl: pointer to register read function
+ * @clk_writel: pointer to register write function
+ * @clkdm_clk_enable: pointer to clockdomain enable function
+ * @clkdm_clk_disable: pointer to clockdomain disable function
+ * @cm_wait_module_ready: pointer to CM module wait ready function
+ * @cm_split_idlest_reg: pointer to CM module function to split idlest reg
+ *
+ * Low-level ops are generally used by the basic clock types (clk-gate,
+ * clk-mux, clk-divider etc.) to provide support for various low-level
+ * hadrware interfaces (direct MMIO, regmap etc.), and is initialized
+ * by board code. Low-level ops also contain some other platform specific
+ * operations not provided directly by clock drivers.
+ */
+struct ti_clk_ll_ops {
+ u32 (*clk_readl)(void __iomem *reg);
+ void (*clk_writel)(u32 val, void __iomem *reg);
+ int (*clkdm_clk_enable)(struct clockdomain *clkdm, struct clk *clk);
+ int (*clkdm_clk_disable)(struct clockdomain *clkdm,
+ struct clk *clk);
+ int (*cm_wait_module_ready)(u8 part, s16 prcm_mod, u16 idlest_reg,
+ u8 idlest_shift);
+ int (*cm_split_idlest_reg)(void __iomem *idlest_reg, s16 *prcm_inst,
+ u8 *idlest_reg_id);
+};
+
+#define to_clk_hw_omap(_hw) container_of(_hw, struct clk_hw_omap, hw)
+
+void omap2_init_clk_clkdm(struct clk_hw *clk);
+int omap2_clk_disable_autoidle_all(void);
+int omap2_clk_enable_autoidle_all(void);
+int omap2_clk_allow_idle(struct clk *clk);
+int omap2_clk_deny_idle(struct clk *clk);
+unsigned long omap2_dpllcore_recalc(struct clk_hw *hw,
+ unsigned long parent_rate);
+int omap2_reprogram_dpllcore(struct clk_hw *clk, unsigned long rate,
+ unsigned long parent_rate);
+void omap2xxx_clkt_dpllcore_init(struct clk_hw *hw);
+void omap2xxx_clkt_vps_init(void);
+unsigned long omap2_get_dpll_rate(struct clk_hw_omap *clk);
+
+void ti_dt_clk_init_retry_clks(void);
+void ti_dt_clockdomains_setup(void);
+int ti_clk_setup_ll_ops(struct ti_clk_ll_ops *ops);
+
+struct regmap;
+
+int omap2_clk_provider_init(struct device_node *parent, int index,
+ struct regmap *syscon, void __iomem *mem);
+void omap2_clk_legacy_provider_init(int index, void __iomem *mem);
+
+int omap3430_dt_clk_init(void);
+int omap3630_dt_clk_init(void);
+int am35xx_dt_clk_init(void);
+int dm814x_dt_clk_init(void);
+int dm816x_dt_clk_init(void);
+int omap4xxx_dt_clk_init(void);
+int omap5xxx_dt_clk_init(void);
+int dra7xx_dt_clk_init(void);
+int am33xx_dt_clk_init(void);
+int am43xx_dt_clk_init(void);
+int omap2420_dt_clk_init(void);
+int omap2430_dt_clk_init(void);
+
+struct ti_clk_features {
+ u32 flags;
+ long fint_min;
+ long fint_max;
+ long fint_band1_max;
+ long fint_band2_min;
+ u8 dpll_bypass_vals;
+ u8 cm_idlest_val;
+};
+
+#define TI_CLK_DPLL_HAS_FREQSEL BIT(0)
+#define TI_CLK_DPLL4_DENY_REPROGRAM BIT(1)
+#define TI_CLK_DISABLE_CLKDM_CONTROL BIT(2)
+
+void ti_clk_setup_features(struct ti_clk_features *features);
+const struct ti_clk_features *ti_clk_get_features(void);
+
+extern const struct clk_hw_omap_ops clkhwops_omap2xxx_dpll;
+
+#ifdef CONFIG_ATAGS
+int omap3430_clk_legacy_init(void);
+int omap3430es1_clk_legacy_init(void);
+int omap36xx_clk_legacy_init(void);
+int am35xx_clk_legacy_init(void);
+#else
+static inline int omap3430_clk_legacy_init(void) { return -ENXIO; }
+static inline int omap3430es1_clk_legacy_init(void) { return -ENXIO; }
+static inline int omap36xx_clk_legacy_init(void) { return -ENXIO; }
+static inline int am35xx_clk_legacy_init(void) { return -ENXIO; }
+#endif
+
+
+#endif
diff --git a/include/linux/clk/zynq.h b/include/linux/clk/zynq.h
new file mode 100644
index 000000000000..7a5633b71533
--- /dev/null
+++ b/include/linux/clk/zynq.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2013 Xilinx Inc.
+ * Copyright (C) 2012 National Instruments
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef __LINUX_CLK_ZYNQ_H_
+#define __LINUX_CLK_ZYNQ_H_
+
+#include <linux/spinlock.h>
+
+void zynq_clock_init(void);
+
+struct clk *clk_register_zynq_pll(const char *name, const char *parent,
+ void __iomem *pll_ctrl, void __iomem *pll_status, u8 lock_index,
+ spinlock_t *lock);
+#endif
generated by cgit v1.2.3 (git 2.25.1) at 2025-12-12 18:07:55 +0000