diff options
| author | Michael Hennerich <michael.hennerich@analog.com> | 2010-07-05 13:39:16 +0000 |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2010-08-06 12:55:52 -0400 |
| commit | 7a4a207e74d6aeb63a38e9a3f0cfc40223d5c40e (patch) | |
| tree | 21d440f3cf0e3dd2be9daedd345778073d78c2d0 /arch/blackfin/mach-bf527/Kconfig | |
| parent | 812ae98f0849fbceb32c6d21bcdda42b40264c82 (diff) | |
| download | linux-7a4a207e74d6aeb63a38e9a3f0cfc40223d5c40e.tar.bz2 | |
Blackfin: BF51x/BF52x: support GPIO Hysteresis/Schmitt Trigger options
Newer parts have optional Hysteresis/Schmitt Trigger options to help with
dirty signals. So add some kconfig options for tuning this and enable it
by default for people.
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'arch/blackfin/mach-bf527/Kconfig')
| -rw-r--r-- | arch/blackfin/mach-bf527/Kconfig | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/arch/blackfin/mach-bf527/Kconfig b/arch/blackfin/mach-bf527/Kconfig index 1f8cbe9d6b9a..0ba54701af0b 100644 --- a/arch/blackfin/mach-bf527/Kconfig +++ b/arch/blackfin/mach-bf527/Kconfig @@ -79,6 +79,72 @@ config BF527_NAND_D_PORTH PORT H endchoice +comment "Hysteresis/Schmitt Trigger Control" +config BFIN_HYSTERESIS_CONTROL + bool "Enable Hysteresis Control" + help + The ADSP-BF52x allows to control input hysteresis for Port F, + Port G and Port H and other processor signal inputs. + The Schmitt trigger enables can be set only for pin groups. + Saying Y will overwrite the default reset or boot loader + initialization. + +menu "PORT F" + depends on BFIN_HYSTERESIS_CONTROL +config GPIO_HYST_PORTF_0_7 + bool "Enable Hysteresis on PORTF {0...7}" +config GPIO_HYST_PORTF_8_9 + bool "Enable Hysteresis on PORTF {8, 9}" +config GPIO_HYST_PORTF_10 + bool "Enable Hysteresis on PORTF 10" +config GPIO_HYST_PORTF_11 + bool "Enable Hysteresis on PORTF 11" +config GPIO_HYST_PORTF_12_13 + bool "Enable Hysteresis on PORTF {12, 13}" +config GPIO_HYST_PORTF_14_15 + bool "Enable Hysteresis on PORTF {14, 15}" +endmenu + +menu "PORT G" + depends on BFIN_HYSTERESIS_CONTROL +config GPIO_HYST_PORTG_0 + bool "Enable Hysteresis on PORTG 0" +config GPIO_HYST_PORTG_1_4 + bool "Enable Hysteresis on PORTG {1...4}" +config GPIO_HYST_PORTG_5_6 + bool "Enable Hysteresis on PORTG {5, 6}" +config GPIO_HYST_PORTG_7_8 + bool "Enable Hysteresis on PORTG {7, 8}" +config GPIO_HYST_PORTG_9 + bool "Enable Hysteresis on PORTG 9" +config GPIO_HYST_PORTG_10 + bool "Enable Hysteresis on PORTG 10" +config GPIO_HYST_PORTG_11_13 + bool "Enable Hysteresis on PORTG {11...13}" +config GPIO_HYST_PORTG_14_15 + bool "Enable Hysteresis on PORTG {14, 15}" +endmenu + +menu "PORT H" + depends on BFIN_HYSTERESIS_CONTROL +config GPIO_HYST_PORTH_0_7 + bool "Enable Hysteresis on PORTH {0...7}" +config GPIO_HYST_PORTH_8 + bool "Enable Hysteresis on PORTH 8" +config GPIO_HYST_PORTH_9_15 + bool "Enable Hysteresis on PORTH {9...15}" +endmenu + +menu "None-GPIO" + depends on BFIN_HYSTERESIS_CONTROL +config NONEGPIO_HYST_TMR0_FS1_PPICLK + bool "Enable Hysteresis on {TMR0, PPI_FS1, PPI_CLK}" +config NONEGPIO_HYST_NMI_RST_BMODE + bool "Enable Hysteresis on {NMI, RESET, BMODE}" +config NONEGPIO_HYST_JTAG + bool "Enable Hysteresis on JTAG" +endmenu + comment "Interrupt Priority Assignment" menu "Priority" |