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pinctrl: at91-pio4: implement drive strength support

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Implement drive strength support, by preserving the same bindings
as in Linux.

Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
This commit is contained in:
Eugen Hristev
2021-01-05 10:54:01 +02:00
parent 864a4144ba
commit 417eca09bf
3 changed files with 13 additions and 0 deletions
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arch/arm/mach-at91/include/mach/atmel_pio4.h
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@@ -52,6 +52,7 @@ struct atmel_pio4_port {
#define ATMEL_PIO_DRVSTR_LO (1 << 16)
#define ATMEL_PIO_DRVSTR_ME (2 << 16)
#define ATMEL_PIO_DRVSTR_HI (3 << 16)
#define ATMEL_PIO_DRVSTR_OFFSET 16
#define ATMEL_PIO_CFGR_EVTSEL_MASK GENMASK(26, 24)
#define ATMEL_PIO_CFGR_EVTSEL_FALLING (0 << 24)
#define ATMEL_PIO_CFGR_EVTSEL_RISING (1 << 24)