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Redesign of the LPC178x GPIO logic by Rommel Marcelo

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This commit is contained in:
Gregory Nutt
2013-04-05 07:58:30 -06:00
parent 31804030b2
commit f66e89b8cf
2 changed files with 414 additions and 74 deletions
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arch/arm/src/lpc17xx/chip/lpc178x_iocon.h
+16
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@@ -320,6 +320,8 @@
#define IOCON_ADMODE_MASK (1 << IOCON_ADMODE_SHIFT)
#define IOCON_FILTER_SHIFT (8) /* Bit 8: Type A */
#define IOCON_FILTER_MASK (1 << IOCON_FILTER_SHIFT)
#define IOCON_I2CHS_SHIFT (8)/* Bits 8: Type I */
#define IOCON_I2CHS_MASK (1 << IOCON_I2CHS_SHIFT)
#define IOCON_SLEW_SHIFT (9) /* Bit 9: Type W */
#define IOCON_SLEW_MASK (1 << IOCON_SLEW_SHIFT)
#define IOCON_HIDRIVE_SHIFT (9) /* Bit 9: Type I */
@@ -344,6 +346,20 @@
#define IOCON_TYPE_I_MASK (0x00000347) /* I2C/USB P0:27-28, P5:2-3 */
#define IOCON_TYPE_W_MASK (0x000007ff) /* I2S P0:7-9 */
/* Slew rate modes */
#define IOCON_SLEWMODE_NORMAL (0 << IOCON_SLEW_SHIFT)
#define IOCON_SLEWMODE_FAST (1 << IOCON_SLEW_SHIFT)
/* I2C modes */
#define IOCON_I2CMODE_SHIFT (IOCON_I2CHS_SHIFT)
#define IOCON_I2CMODE_MASK (3 << IOCON_I2CMODE_SHIFT)
#define IOCON_I2CMODE_FAST (0 << IOCON_I2CMODE_SHIFT)
#define IOCON_I2CMODE_FASTPLUS (1 << IOCON_I2CMODE_SHIFT)/* */
#define IOCON_I2CMODE_HIOPENDRAIN (2 << IOCON_I2CMODE_SHIFT)/* */
#define IOCON_I2CMODE_OPENDRAIN (3 << IOCON_I2CMODE_SHIFT)/* */
/************************************************************************************
* Public Types
************************************************************************************/
arch/arm/src/lpc17xx/lpc178x_gpio.c
+398 -74
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