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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c 
 kernel/drivers/clk/Kconfig
....@@ -1,3 +1,10 @@
1
+# SPDX-License-Identifier: GPL-2.0
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+
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+config HAVE_CLK
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+	bool
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+	help
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+	  The <linux/clk.h> calls support software clock gating and
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+	  thus are a key power management tool on many systems.
18 
29 config CLKDEV_LOOKUP
310 	bool
....@@ -6,32 +13,34 @@
613 config HAVE_CLK_PREPARE
714 	bool
815 
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-config COMMON_CLK
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+config HAVE_LEGACY_CLK # TODO: Remove once all legacy users are migrated
1017 	bool
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+	select HAVE_CLK
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+	help
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+	  Select this option when the clock API in <linux/clk.h> is implemented
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+	  by platform/architecture code. This method is deprecated. Modern
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+	  code should select COMMON_CLK instead and not define a custom
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+	  'struct clk'.
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+
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+menuconfig COMMON_CLK
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+	bool "Common Clock Framework"
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+	depends on !HAVE_LEGACY_CLK
1128 	select HAVE_CLK_PREPARE
1229 	select CLKDEV_LOOKUP
1330 	select SRCU
1431 	select RATIONAL
15
-	---help---
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+	help
1633 	  The common clock framework is a single definition of struct
1734 	  clk, useful across many platforms, as well as an
1835 	  implementation of the clock API in include/linux/clk.h.
1936 	  Architectures utilizing the common struct clk should select
2037 	  this option.
2138 
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-menu "Common Clock Framework"
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-	depends on COMMON_CLK
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-
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-config COMMON_CLK_DEBUGFS
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-	bool "Common Clock DebugFS interface"
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-	depends on COMMON_CLK && DEBUG_FS
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-	default y
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-	help
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-	  Turns on the DebugFS interface for clock.
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+if COMMON_CLK
3140 
3241 config COMMON_CLK_PROCFS
3342 	bool "Common Clock PROCFS interface"
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-	depends on COMMON_CLK && PROC_FS
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+	depends on COMMON_CLK && PROC_FS && ARCH_ROCKCHIP
3544 	default n
3645 	help
3746 	  Turns on the PROCFS interface for clock.
....@@ -39,23 +48,24 @@
3948 config COMMON_CLK_WM831X
4049 	tristate "Clock driver for WM831x/2x PMICs"
4150 	depends on MFD_WM831X
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-	---help---
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-          Supports the clocking subsystem of the WM831x/2x series of
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+	help
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+	  Supports the clocking subsystem of the WM831x/2x series of
4453 	  PMICs from Wolfson Microelectronics.
4554 
4655 source "drivers/clk/versatile/Kconfig"
4756 
4857 config CLK_HSDK
4958 	bool "PLL Driver for HSDK platform"
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-	depends on OF || COMPILE_TEST
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-	---help---
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+	depends on ARC_SOC_HSDK || COMPILE_TEST
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+	depends on HAS_IOMEM
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+	help
5262 	  This driver supports the HSDK core, system, ddr, tunnel and hdmi PLLs
5363 	  control.
5464 
5565 config COMMON_CLK_MAX77686
5666 	tristate "Clock driver for Maxim 77620/77686/77802 MFD"
5767 	depends on MFD_MAX77686 || MFD_MAX77620 || COMPILE_TEST
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-	---help---
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+	help
5969 	  This driver supports Maxim 77620/77686/77802 crystal oscillator
6070 	  clock.
6171 
....@@ -68,7 +78,7 @@
6878 config COMMON_CLK_RK808
6979 	tristate "Clock driver for RK805/RK808/RK809/RK817/RK818"
7080 	depends on MFD_RK808
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-	---help---
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+	help
7282 	  This driver supports RK805, RK809 and RK817, RK808 and RK818 crystal oscillator clock.
7383 	  These multi-function devices have two fixed-rate oscillators, clocked at 32KHz each.
7484 	  Clkout1 is always on, Clkout2 can off by control register.
....@@ -78,7 +88,7 @@
7888 	depends on (MFD_HI655X_PMIC || COMPILE_TEST)
7989 	depends on REGMAP
8090 	default MFD_HI655X_PMIC
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-	---help---
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+	help
8292 	  This driver supports the hi655x PMIC clock. This
8393 	  multi-function device has one fixed-rate oscillator, clocked
8494 	  at 32KHz.
....@@ -86,7 +96,7 @@
8696 config COMMON_CLK_SCMI
8797 	tristate "Clock driver controlled via SCMI interface"
8898 	depends on ARM_SCMI_PROTOCOL || COMPILE_TEST
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-	  ---help---
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+	help
90100 	  This driver provides support for clocks that are controlled
91101 	  by firmware that implements the SCMI interface.
92102 
....@@ -96,19 +106,29 @@
96106 config COMMON_CLK_SCPI
97107 	tristate "Clock driver controlled via SCPI interface"
98108 	depends on ARM_SCPI_PROTOCOL || COMPILE_TEST
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-	  ---help---
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+	help
100110 	  This driver provides support for clocks that are controlled
101111 	  by firmware that implements the SCPI interface.
102112 
103113 	  This driver uses SCPI Message Protocol to interact with the
104114 	  firmware providing all the clock controls.
105115 
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+config COMMON_CLK_SI5341
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+	tristate "Clock driver for SiLabs 5341 and 5340 A/B/C/D devices"
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+	depends on I2C
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+	select REGMAP_I2C
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+	help
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+	  This driver supports Silicon Labs Si5341 and Si5340 programmable clock
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+	  generators. Not all features of these chips are currently supported
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+	  by the driver, in particular it only supports XTAL input. The chip can
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+	  be pre-programmed to support other configurations and features not yet
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+	  implemented in the driver.
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+
106127 config COMMON_CLK_SI5351
107128 	tristate "Clock driver for SiLabs 5351A/B/C"
108129 	depends on I2C
109130 	select REGMAP_I2C
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-	select RATIONAL
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-	---help---
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+	help
112132 	  This driver supports Silicon Labs 5351A/B/C programmable clock
113133 	  generators.
114134 
....@@ -118,7 +138,6 @@
118138 	depends on OF
119139 	select REGMAP_I2C
120140 	help
121
-	---help---
122141 	  This driver supports the Silicon Labs 514 programmable clock
123142 	  generator.
124143 
....@@ -127,7 +146,6 @@
127146 	depends on I2C
128147 	select REGMAP_I2C
129148 	help
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-	---help---
131149 	  This driver supports the Silicon Labs 544 programmable clock
132150 	  generator.
133151 
....@@ -137,16 +155,21 @@
137155 	depends on OF
138156 	select REGMAP_I2C
139157 	help
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-	---help---
141158 	  This driver supports Silicon Labs 570/571/598/599 programmable
142159 	  clock generators.
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+
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+config COMMON_CLK_BM1880
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+	bool "Clock driver for Bitmain BM1880 SoC"
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+	depends on ARCH_BITMAIN || COMPILE_TEST
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+	default ARCH_BITMAIN
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+	help
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+	  This driver supports the clocks on Bitmain BM1880 SoC.
143167 
144168 config COMMON_CLK_CDCE706
145169 	tristate "Clock driver for TI CDCE706 clock synthesizer"
146170 	depends on I2C
147171 	select REGMAP_I2C
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-	select RATIONAL
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-	---help---
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+	help
150173 	  This driver supports TI CDCE706 programmable 3-PLL clock synthesizer.
151174 
152175 config COMMON_CLK_CDCE925
....@@ -155,7 +178,6 @@
155178 	depends on OF
156179 	select REGMAP_I2C
157180 	help
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-	---help---
159181 	  This driver supports the TI CDCE913/925/937/949 programmable clock
160182 	  synthesizer. Each chip has different number of PLLs and outputs.
161183 	  For example, the CDCE925 contains two PLLs with spread-spectrum
....@@ -173,12 +195,24 @@
173195 	help
174196 	  If you say yes here you get support for the CS2000 clock multiplier.
175197 
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+config COMMON_CLK_FSL_SAI
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+	bool "Clock driver for BCLK of Freescale SAI cores"
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+	depends on ARCH_LAYERSCAPE || COMPILE_TEST
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+	help
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+	  This driver supports the Freescale SAI (Synchronous Audio Interface)
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+	  to be used as a generic clock output. Some SoCs have restrictions
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+	  regarding the possible pin multiplexer settings. Eg. on some SoCs
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+	  two SAI interfaces can only be enabled together. If just one is
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+	  needed, the BCLK pin of the second one can be used as general
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+	  purpose clock output. Ideally, it can be used to drive an audio
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+	  codec (sometimes known as MCLK).
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+
176210 config COMMON_CLK_GEMINI
177211 	bool "Clock driver for Cortina Systems Gemini SoC"
178212 	depends on ARCH_GEMINI || COMPILE_TEST
179213 	select MFD_SYSCON
180214 	select RESET_CONTROLLER
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-	---help---
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+	help
182216 	  This driver supports the SoC clocks on the Cortina Systems Gemini
183217 	  platform, also known as SL3516 or CS3516.
184218 
....@@ -188,7 +222,7 @@
188222 	default ARCH_ASPEED
189223 	select MFD_SYSCON
190224 	select RESET_CONTROLLER
191
-	---help---
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+	help
192226 	  This driver supports the SoC clocks on the Aspeed BMC platforms.
193227 
194228 	  The G4 and G5 series, including the ast2400 and ast2500, are supported
....@@ -197,7 +231,7 @@
197231 config COMMON_CLK_S2MPS11
198232 	tristate "Clock driver for S2MPS1X/S5M8767 MFD"
199233 	depends on MFD_SEC_CORE || COMPILE_TEST
200
-	---help---
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+	help
201235 	  This driver supports S2MPS11/S2MPS14/S5M8767 crystal oscillator
202236 	  clock. These multi-function devices have two (S2MPS14) or three
203237 	  (S2MPS11, S5M8767) fixed-rate oscillators, clocked at 32KHz each.
....@@ -205,7 +239,7 @@
205239 config CLK_TWL6040
206240 	tristate "External McPDM functional clock from twl6040"
207241 	depends on TWL6040_CORE
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-	---help---
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+	help
209243 	  Enable the external functional clock support on OMAP4+ platforms for
210244 	  McPDM. McPDM module is using the external bit clock on the McPDM bus
211245 	  as functional clock.
....@@ -214,48 +248,64 @@
214248 	tristate "AXI clkgen driver"
215249 	depends on ARCH_ZYNQ || MICROBLAZE || COMPILE_TEST
216250 	help
217
-	---help---
218251 	  Support for the Analog Devices axi-clkgen pcore clock generator for Xilinx
219252 	  FPGAs. It is commonly used in Analog Devices' reference designs.
220253 
221254 config CLK_QORIQ
222255 	bool "Clock driver for Freescale QorIQ platforms"
223256 	depends on (PPC_E500MC || ARM || ARM64 || COMPILE_TEST) && OF
224
-	---help---
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+	help
225258 	  This adds the clock driver support for Freescale QorIQ platforms
226259 	  using common clock framework.
227260 
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+config CLK_LS1028A_PLLDIG
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+        tristate "Clock driver for LS1028A Display output"
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+        depends on ARCH_LAYERSCAPE || COMPILE_TEST
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+        default ARCH_LAYERSCAPE
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+        help
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+          This driver support the Display output interfaces(LCD, DPHY) pixel clocks
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+          of the QorIQ Layerscape LS1028A, as implemented TSMC CLN28HPM PLL. Not all
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+          features of the PLL are currently supported by the driver. By default,
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+          configured bypass mode with this PLL.
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+
228271 config COMMON_CLK_XGENE
229272 	bool "Clock driver for APM XGene SoC"
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-	default y
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+	default ARCH_XGENE
231274 	depends on ARM64 || COMPILE_TEST
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-	---help---
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-	  Sypport for the APM X-Gene SoC reference, PLL, and device clocks.
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+	help
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+	  Support for the APM X-Gene SoC reference, PLL, and device clocks.
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+
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+config COMMON_CLK_LOCHNAGAR
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+	tristate "Cirrus Logic Lochnagar clock driver"
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+	depends on MFD_LOCHNAGAR
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+	help
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+	  This driver supports the clocking features of the Cirrus Logic
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+	  Lochnagar audio development board.
234284 
235285 config COMMON_CLK_NXP
236286 	def_bool COMMON_CLK && (ARCH_LPC18XX || ARCH_LPC32XX)
237287 	select REGMAP_MMIO if ARCH_LPC32XX
238288 	select MFD_SYSCON if ARCH_LPC18XX
239
-	---help---
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+	help
240290 	  Support for clock providers on NXP platforms.
241291 
242292 config COMMON_CLK_PALMAS
243293 	tristate "Clock driver for TI Palmas devices"
244294 	depends on MFD_PALMAS
245
-	---help---
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+	help
246296 	  This driver supports TI Palmas devices 32KHz output KG and KG_AUDIO
247297 	  using common clock framework.
248298 
249299 config COMMON_CLK_PWM
250300 	tristate "Clock driver for PWMs used as clock outputs"
251301 	depends on PWM
252
-	---help---
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+	help
253303 	  Adapter driver so that any PWM output can be (mis)used as clock signal
254304 	  at 50% duty cycle.
255305 
256306 config COMMON_CLK_PXA
257307 	def_bool COMMON_CLK && ARCH_PXA
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-	---help---
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+	help
259309 	  Support for the Marvell PXA SoC.
260310 
261311 config COMMON_CLK_PIC32
....@@ -265,7 +315,7 @@
265315 	bool "Clock driver for the OXNAS SoC Family"
266316 	depends on ARCH_OXNAS || COMPILE_TEST
267317 	select MFD_SYSCON
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-	---help---
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+	help
269319 	  Support for the OXNAS SoC Family clocks.
270320 
271321 config COMMON_CLK_VC5
....@@ -274,32 +324,56 @@
274324 	depends on OF
275325 	select REGMAP_I2C
276326 	help
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-	---help---
278327 	  This driver supports the IDT VersaClock 5 and VersaClock 6
279328 	  programmable clock generators.
280329 
281330 config COMMON_CLK_STM32MP157
282331 	def_bool COMMON_CLK && MACH_STM32MP157
283332 	help
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-	---help---
285333 	  Support for stm32mp157 SoC family clocks
286334 
287335 config COMMON_CLK_STM32F
288336 	def_bool COMMON_CLK && (MACH_STM32F429 || MACH_STM32F469 || MACH_STM32F746)
289337 	help
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-	---help---
291338 	  Support for stm32f4 and stm32f7 SoC families clocks
292339 
293340 config COMMON_CLK_STM32H7
294341 	def_bool COMMON_CLK && MACH_STM32H743
295342 	help
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-	---help---
297343 	  Support for stm32h7 SoC family clocks
298344 
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+config COMMON_CLK_MMP2
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+	def_bool COMMON_CLK && (MACH_MMP2_DT || MACH_MMP3_DT)
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+	help
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+	  Support for Marvell MMP2 and MMP3 SoC clocks
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+
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+config COMMON_CLK_MMP2_AUDIO
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+        tristate "Clock driver for MMP2 Audio subsystem"
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+        depends on COMMON_CLK_MMP2 || COMPILE_TEST
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+        help
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+          This driver supports clocks for Audio subsystem on MMP2 SoC.
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+
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+config COMMON_CLK_BD718XX
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+	tristate "Clock driver for 32K clk gates on ROHM PMICs"
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+	depends on MFD_ROHM_BD718XX || MFD_ROHM_BD70528 || MFD_ROHM_BD71828
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+	help
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+	  This driver supports ROHM BD71837, ROHM BD71847, ROHM BD71828 and
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+	  ROHM BD70528 PMICs clock gates.
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+
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+config COMMON_CLK_FIXED_MMIO
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+	bool "Clock driver for Memory Mapped Fixed values"
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+	depends on COMMON_CLK && OF
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+	help
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+	  Support for Memory Mapped IO Fixed clocks
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+
299369 source "drivers/clk/actions/Kconfig"
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+source "drivers/clk/analogbits/Kconfig"
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+source "drivers/clk/baikal-t1/Kconfig"
300372 source "drivers/clk/bcm/Kconfig"
301373 source "drivers/clk/hisilicon/Kconfig"
302374 source "drivers/clk/imgtec/Kconfig"
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+source "drivers/clk/imx/Kconfig"
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+source "drivers/clk/ingenic/Kconfig"
303377 source "drivers/clk/keystone/Kconfig"
304378 source "drivers/clk/mediatek/Kconfig"
305379 source "drivers/clk/meson/Kconfig"
....@@ -308,10 +382,14 @@
308382 source "drivers/clk/renesas/Kconfig"
309383 source "drivers/clk/rockchip/Kconfig"
310384 source "drivers/clk/samsung/Kconfig"
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+source "drivers/clk/sifive/Kconfig"
311386 source "drivers/clk/sprd/Kconfig"
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+source "drivers/clk/sunxi/Kconfig"
312388 source "drivers/clk/sunxi-ng/Kconfig"
313389 source "drivers/clk/tegra/Kconfig"
314390 source "drivers/clk/ti/Kconfig"
315391 source "drivers/clk/uniphier/Kconfig"
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+source "drivers/clk/x86/Kconfig"
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+source "drivers/clk/zynqmp/Kconfig"
316394 
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-endmenu
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+endif