6 config HAVE_AT91_USB_CLK
12 config HAVE_AT91_DBGU1
15 config AT91_USE_OLD_CLK
22 config COMMON_CLK_AT91
24 default AT91_PMC_UNIT && USE_OF && !AT91_USE_OLD_CLK
29 default AT91_PMC_UNIT && AT91_USE_OLD_CLK
31 config AT91_SAM9_ALT_RESET
35 config AT91_SAM9G45_RESET
49 select GENERIC_CLOCKEVENTS
50 select MULTI_IRQ_HANDLER
57 select GENERIC_CLOCKEVENTS
58 select MULTI_IRQ_HANDLER
62 menu "Atmel AT91 System-on-Chip"
72 select ARCH_USES_GETTIMEOFFSET
73 select MULTI_IRQ_HANDLER
77 Select this if you are using one of Atmel's AT91X40 SoC.
80 bool "ARM9 AT91SAM9/AT91RM9200"
82 Select this if you are using one of Atmel's AT91SAM9 or
88 Select this if you are using one of Atmel's SAMA5D3 SoC.
92 comment "Atmel AT91 Processor"
99 select HAVE_AT91_DBGU1
100 select HAVE_AT91_UTMI
102 select HAVE_AT91_USB_CLK
104 Select this if you are using one of Atmel's SAMA5D3 family SoC.
105 This support covers SAMA5D31, SAMA5D33, SAMA5D34, SAMA5D35, SAMA5D36.
109 config SOC_AT91RM9200
112 select GENERIC_CLOCKEVENTS
113 select HAVE_AT91_DBGU0
114 select MULTI_IRQ_HANDLER
116 select HAVE_AT91_USB_CLK
118 config SOC_AT91SAM9260
119 bool "AT91SAM9260, AT91SAM9XE or AT91SAM9G20"
120 select HAVE_AT91_DBGU0
122 select HAVE_AT91_USB_CLK
124 Select this if you are using one of Atmel's AT91SAM9260, AT91SAM9XE
127 config SOC_AT91SAM9261
128 bool "AT91SAM9261 or AT91SAM9G10"
129 select HAVE_AT91_DBGU0
132 select HAVE_AT91_USB_CLK
134 Select this if you are using one of Atmel's AT91SAM9261 or AT91SAM9G10 SoC.
136 config SOC_AT91SAM9263
138 select HAVE_AT91_DBGU1
141 select HAVE_AT91_USB_CLK
143 config SOC_AT91SAM9RL
145 select HAVE_AT91_DBGU0
148 select HAVE_AT91_UTMI
150 config SOC_AT91SAM9G45
151 bool "AT91SAM9G45 or AT91SAM9M10 families"
152 select HAVE_AT91_DBGU1
155 select HAVE_AT91_UTMI
156 select HAVE_AT91_USB_CLK
158 Select this if you are using one of Atmel's AT91SAM9G45 family SoC.
159 This support covers AT91SAM9G45, AT91SAM9G46, AT91SAM9M10 and AT91SAM9M11.
161 config SOC_AT91SAM9X5
162 bool "AT91SAM9x5 family"
163 select HAVE_AT91_DBGU0
166 select HAVE_AT91_UTMI
168 select HAVE_AT91_USB_CLK
170 Select this if you are using one of Atmel's AT91SAM9x5 family SoC.
171 This means that your SAM9 name finishes with a '5' (except if it is
173 This support covers AT91SAM9G15, AT91SAM9G25, AT91SAM9X25, AT91SAM9G35
176 config SOC_AT91SAM9N12
177 bool "AT91SAM9N12 family"
178 select HAVE_AT91_DBGU0
181 select HAVE_AT91_USB_CLK
183 Select this if you are using Atmel's AT91SAM9N12 SoC.
185 # ----------------------------------------------------------
186 endif # SOC_SAM_V4_V5
189 if SOC_SAM_V4_V5 || ARCH_AT91X40
190 source arch/arm/mach-at91/Kconfig.non_dt
193 comment "Generic Board Type"
195 config MACH_AT91RM9200_DT
196 bool "Atmel AT91RM9200 Evaluation Kits with device-tree support"
197 depends on SOC_AT91RM9200
200 Select this if you want to experiment device-tree with
201 an Atmel RM9200 Evaluation Kit.
203 config MACH_AT91SAM9_DT
204 bool "Atmel AT91SAM Evaluation Kits with device-tree support"
205 depends on SOC_AT91SAM9
208 Select this if you want to experiment device-tree with
209 an Atmel Evaluation Kit.
212 bool "Atmel SAMA5 Evaluation Kits with device-tree support"
215 select PHYLIB if NETDEVICES
217 Select this if you want to experiment device-tree with
218 an Atmel Evaluation Kit.
220 # ----------------------------------------------------------
222 comment "AT91 Feature Selections"
224 config AT91_SLOW_CLOCK
225 bool "Suspend-to-RAM disables main oscillator"
228 Select this if you want Suspend-to-RAM to save the most power
229 possible (without powering off the CPU) by disabling the PLLs
230 and main oscillator so that only the 32 KiHz clock is available.
232 When only that slow-clock is available, some peripherals lose
233 functionality. Many can't issue wakeup events unless faster
234 clocks are available. Some lose their operating state and
235 need to be completely re-initialized.
238 int "Kernel HZ (jiffies per second)"
241 default "128" if ARCH_AT91RM9200
244 On AT91rm9200 chips where you're using a system clock derived
245 from the 32768 Hz hardware clock, this tick rate should divide
246 it exactly: use a power-of-two value, such as 128 or 256, to
247 reduce timing errors caused by rounding.
249 On AT91sam926x chips, or otherwise when using a higher precision
250 system clock (of at least several MHz), rounding is less of a
251 problem so it can be safer to use a decimal values like 100.