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kmi.h
/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * linux/include/asm-arm/hardware/amba_kmi.h * * Internal header file for AMBA KMI ports * * Copyright (C) 2000 Deep Blue Solutions Ltd. * * --------------------------------------------------------------------------- * From ARM PrimeCell(tm) PS2 Keyboard/Mouse Interface (PL050) Technical * Reference Manual - ARM DDI 0143B - see http://www.arm.com/ * --------------------------------------------------------------------------- */ #ifndef ASM_ARM_HARDWARE_AMBA_KMI_H #define ASM_ARM_HARDWARE_AMBA_KMI_H /* * KMI control register: * KMICR_TYPE 0 = PS2/AT mode, 1 = No line control bit mode * KMICR_RXINTREN 1 = enable RX interrupts * KMICR_TXINTREN 1 = enable TX interrupts * KMICR_EN 1 = enable KMI * KMICR_FD 1 = force KMI data low * KMICR_FC 1 = force KMI clock low */ #define KMICR (KMI_BASE + 0x00) #define KMICR_TYPE (1 << 5) #define KMICR_RXINTREN (1 << 4) #define KMICR_TXINTREN (1 << 3) #define KMICR_EN (1 << 2) #define KMICR_FD (1 << 1) #define KMICR_FC (1 << 0) /* * KMI status register: * KMISTAT_TXEMPTY 1 = transmitter register empty * KMISTAT_TXBUSY 1 = currently sending data * KMISTAT_RXFULL 1 = receiver register ready to be read * KMISTAT_RXBUSY 1 = currently receiving data * KMISTAT_RXPARITY parity of last databyte received * KMISTAT_IC current level of KMI clock input * KMISTAT_ID current level of KMI data input */ #define KMISTAT (KMI_BASE + 0x04) #define KMISTAT_TXEMPTY (1 << 6) #define KMISTAT_TXBUSY (1 << 5) #define KMISTAT_RXFULL (1 << 4) #define KMISTAT_RXBUSY (1 << 3) #define KMISTAT_RXPARITY (1 << 2) #define KMISTAT_IC (1 << 1) #define KMISTAT_ID (1 << 0) /* * KMI data register */ #define KMIDATA (KMI_BASE + 0x08) /* * KMI clock divisor: to generate 8MHz internal clock * div = (ref / 8MHz) - 1; 0 <= div <= 15 */ #define KMICLKDIV (KMI_BASE + 0x0c) /* * KMI interrupt register: * KMIIR_TXINTR 1 = transmit interrupt asserted * KMIIR_RXINTR 1 = receive interrupt asserted */ #define KMIIR (KMI_BASE + 0x10) #define KMIIR_TXINTR (1 << 1) #define KMIIR_RXINTR (1 << 0) /* * The size of the KMI primecell */ #define KMI_SIZE (0x100) #endif
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Name
Size
Permission
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bus.h
7306 bytes
0644
clcd-regs.h
2458 bytes
0644
clcd.h
6971 bytes
0644
kmi.h
2272 bytes
0644
mmci.h
1022 bytes
0644
pl022.h
7928 bytes
0644
pl080.h
7580 bytes
0644
pl08x.h
4448 bytes
0644
pl093.h
2078 bytes
0644
serial.h
9253 bytes
0644
sp810.h
1526 bytes
0644
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