diff options
Diffstat (limited to 'arch/arm/mach-stmp37xx/include/mach/regs-i2c.h')
| -rw-r--r-- | arch/arm/mach-stmp37xx/include/mach/regs-i2c.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/arch/arm/mach-stmp37xx/include/mach/regs-i2c.h b/arch/arm/mach-stmp37xx/include/mach/regs-i2c.h new file mode 100644 index 00000000000..35882a9b8bc --- /dev/null +++ b/arch/arm/mach-stmp37xx/include/mach/regs-i2c.h @@ -0,0 +1,55 @@ +/* + * stmp37xx: I2C register definitions + * + * Copyright (c) 2008 Freescale Semiconductor + * Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#define REGS_I2C_BASE (STMP3XXX_REGS_BASE + 0x58000) +#define REGS_I2C_PHYS 0x80058000 +#define REGS_I2C_SIZE 0x2000 + +#define HW_I2C_CTRL0 0x0 +#define BM_I2C_CTRL0_XFER_COUNT 0x0000FFFF +#define BP_I2C_CTRL0_XFER_COUNT 0 +#define BM_I2C_CTRL0_DIRECTION 0x00010000 +#define BM_I2C_CTRL0_MASTER_MODE 0x00020000 +#define BM_I2C_CTRL0_PRE_SEND_START 0x00080000 +#define BM_I2C_CTRL0_POST_SEND_STOP 0x00100000 +#define BM_I2C_CTRL0_RETAIN_CLOCK 0x00200000 +#define BM_I2C_CTRL0_SEND_NAK_ON_LAST 0x02000000 +#define BM_I2C_CTRL0_CLKGATE 0x40000000 +#define BM_I2C_CTRL0_SFTRST 0x80000000 + +#define HW_I2C_TIMING0 0x10 + +#define HW_I2C_TIMING1 0x20 + +#define HW_I2C_TIMING2 0x30 + +#define HW_I2C_CTRL1 0x40 +#define BM_I2C_CTRL1_SLAVE_IRQ 0x00000001 +#define BP_I2C_CTRL1_SLAVE_IRQ 0 +#define BM_I2C_CTRL1_SLAVE_STOP_IRQ 0x00000002 +#define BM_I2C_CTRL1_MASTER_LOSS_IRQ 0x00000004 +#define BM_I2C_CTRL1_EARLY_TERM_IRQ 0x00000008 +#define BM_I2C_CTRL1_OVERSIZE_XFER_TERM_IRQ 0x00000010 +#define BM_I2C_CTRL1_NO_SLAVE_ACK_IRQ 0x00000020 +#define BM_I2C_CTRL1_DATA_ENGINE_CMPLT_IRQ 0x00000040 +#define BM_I2C_CTRL1_BUS_FREE_IRQ 0x00000080 +#define BM_I2C_CTRL1_CLR_GOT_A_NAK 0x10000000 + +#define HW_I2C_VERSION 0x90 |