diff options
| author | Michael Hennerich <michael.hennerich@analog.com> | 2010-07-05 17:39:16 +0400 |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2010-08-06 20:55:52 +0400 |
| commit | 7a4a207e74d6aeb63a38e9a3f0cfc40223d5c40e (patch) | |
| tree | 21d440f3cf0e3dd2be9daedd345778073d78c2d0 /arch/blackfin/mach-bf518/include/mach | |
| parent | 812ae98f0849fbceb32c6d21bcdda42b40264c82 (diff) | |
| download | linux-7a4a207e74d6aeb63a38e9a3f0cfc40223d5c40e.tar.xz | |
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-bf518/include/mach')
| -rw-r--r-- | arch/blackfin/mach-bf518/include/mach/bf518.h | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/arch/blackfin/mach-bf518/include/mach/bf518.h b/arch/blackfin/mach-bf518/include/mach/bf518.h index 856b330ecf0b..6906dee4f4cc 100644 --- a/arch/blackfin/mach-bf518/include/mach/bf518.h +++ b/arch/blackfin/mach-bf518/include/mach/bf518.h @@ -85,6 +85,111 @@ #define AMGCTLVAL (V_AMBEN | V_AMCKEN | V_CDPRIO) +/**************************** Hysteresis Settings ****************************/ + +#ifdef CONFIG_BFIN_HYSTERESIS_CONTROL +#ifdef CONFIG_GPIO_HYST_PORTF_0_7 +#define HYST_PORTF_0_7 (1 << 0) +#else +#define HYST_PORTF_0_7 (0 << 0) +#endif +#ifdef CONFIG_GPIO_HYST_PORTF_8_9 +#define HYST_PORTF_8_9 (1 << 2) +#else +#define HYST_PORTF_8_9 (0 << 2) +#endif +#ifdef CONFIG_GPIO_HYST_PORTF_10 +#define HYST_PORTF_10 (1 << 4) +#else +#define HYST_PORTF_10 (0 << 4) +#endif +#ifdef CONFIG_GPIO_HYST_PORTF_11 +#define HYST_PORTF_11 (1 << 6) +#else +#define HYST_PORTF_11 (0 << 6) +#endif +#ifdef CONFIG_GPIO_HYST_PORTF_12_13 +#define HYST_PORTF_12_13 (1 << 8) +#else +#define HYST_PORTF_12_13 (0 << 8) +#endif +#ifdef CONFIG_GPIO_HYST_PORTF_14_15 +#define HYST_PORTF_14_15 (1 << 10) +#else +#define HYST_PORTF_14_15 (0 << 10) +#endif + +#define HYST_PORTF_0_15 (HYST_PORTF_0_7 | HYST_PORTF_8_9 | HYST_PORTF_10 | \ + HYST_PORTF_11 | HYST_PORTF_12_13 | HYST_PORTF_14_15) + +#ifdef CONFIG_GPIO_HYST_PORTG_0 +#define HYST_PORTG_0 (1 << 0) +#else +#define HYST_PORTG_0 (0 << 0) +#endif +#ifdef CONFIG_GPIO_HYST_PORTG_1_4 +#define HYST_PORTG_1_4 (1 << 2) +#else +#define HYST_PORTG_1_4 (0 << 2) +#endif +#ifdef CONFIG_GPIO_HYST_PORTG_5_6 +#define HYST_PORTG_5_6 (1 << 4) +#else +#define HYST_PORTG_5_6 (0 << 4) +#endif +#ifdef CONFIG_GPIO_HYST_PORTG_7_8 +#define HYST_PORTG_7_8 (1 << 6) +#else +#define HYST_PORTG_7_8 (0 << 6) +#endif +#ifdef CONFIG_GPIO_HYST_PORTG_9 +#define HYST_PORTG_9 (1 << 8) +#else +#define HYST_PORTG_9 (0 << 8) +#endif +#ifdef CONFIG_GPIO_HYST_PORTG_10 +#define HYST_PORTG_10 (1 << 10) +#else +#define HYST_PORTG_10 (0 << 10) +#endif +#ifdef CONFIG_GPIO_HYST_PORTG_11_13 +#define HYST_PORTG_11_13 (1 << 12) +#else +#define HYST_PORTG_11_13 (0 << 12) +#endif +#ifdef CONFIG_GPIO_HYST_PORTG_14_15 +#define HYST_PORTG_14_15 (1 << 14) +#else +#define HYST_PORTG_14_15 (0 << 14) +#endif + +#define HYST_PORTG_0_15 (HYST_PORTG_0 | HYST_PORTG_1_4 | HYST_PORTG_5_6 | \ + HYST_PORTG_7_8 | HYST_PORTG_9 | HYST_PORTG_10 | \ + HYST_PORTG_11_13 | HYST_PORTG_14_15) + +#ifdef CONFIG_GPIO_HYST_PORTH_0_7 +#define HYST_PORTH_0_7 (1 << 0) +#else +#define HYST_PORTH_0_7 (0 << 0) +#endif + +#define HYST_PORTH_0_15 (HYST_PORTH_0_7) + +#ifdef CONFIG_NONEGPIO_HYST_NMI_RST_BMODE +#define HYST_NMI_RST_BMODE (1 << 2) +#else +#define HYST_NMI_RST_BMODE (0 << 2) +#endif +#ifdef CONFIG_NONEGPIO_HYST_JTAG +#define HYST_JTAG (1 << 4) +#else +#define HYST_JTAG (0 << 4) +#endif + +#define HYST_NONEGPIO (HYST_NMI_RST_BMODE | HYST_JTAG) +#define HYST_NONEGPIO_MASK (0x3C) +#endif /* CONFIG_BFIN_HYSTERESIS_CONTROL */ + #ifdef CONFIG_BF518 #define CPU "BF518" #define CPUID 0x27e8 |