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Commit dd7548ab authored by sfking@fdwdc.com's avatar sfking@fdwdc.com Committed by Greg Ungerer
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generic GPIO support for the Freescale Coldfire 523x. 

Add support for the 523x.
Signed-off-by: default avatarSteven King <sfking@fdwdc.com>
Signed-off-by: default avatarGreg Ungerer <gerg@uclinux.org>
parent d969c41b
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Showing with 361 additions and 1 deletion
arch/m68k/include/asm/m523xsim.h
View file @ dd7548ab
...@@ -50,5 +50,82 @@ ...@@ -50,5 +50,82 @@
#define MCF_RCR_SWRESET 0x80 /* Software reset bit */ #define MCF_RCR_SWRESET 0x80 /* Software reset bit */
#define MCF_RCR_FRCSTOUT 0x40 /* Force external reset */ #define MCF_RCR_FRCSTOUT 0x40 /* Force external reset */
#define MCFGPIO_PODR_ADDR (MCF_IPSBAR + 0x100000)
#define MCFGPIO_PODR_DATAH (MCF_IPSBAR + 0x100001)
#define MCFGPIO_PODR_DATAL (MCF_IPSBAR + 0x100002)
#define MCFGPIO_PODR_BUSCTL (MCF_IPSBAR + 0x100003)
#define MCFGPIO_PODR_BS (MCF_IPSBAR + 0x100004)
#define MCFGPIO_PODR_CS (MCF_IPSBAR + 0x100005)
#define MCFGPIO_PODR_SDRAM (MCF_IPSBAR + 0x100006)
#define MCFGPIO_PODR_FECI2C (MCF_IPSBAR + 0x100007)
#define MCFGPIO_PODR_UARTH (MCF_IPSBAR + 0x100008)
#define MCFGPIO_PODR_UARTL (MCF_IPSBAR + 0x100009)
#define MCFGPIO_PODR_QSPI (MCF_IPSBAR + 0x10000A)
#define MCFGPIO_PODR_TIMER (MCF_IPSBAR + 0x10000B)
#define MCFGPIO_PODR_ETPU (MCF_IPSBAR + 0x10000C)
#define MCFGPIO_PDDR_ADDR (MCF_IPSBAR + 0x100010)
#define MCFGPIO_PDDR_DATAH (MCF_IPSBAR + 0x100011)
#define MCFGPIO_PDDR_DATAL (MCF_IPSBAR + 0x100012)
#define MCFGPIO_PDDR_BUSCTL (MCF_IPSBAR + 0x100013)
#define MCFGPIO_PDDR_BS (MCF_IPSBAR + 0x100014)
#define MCFGPIO_PDDR_CS (MCF_IPSBAR + 0x100015)
#define MCFGPIO_PDDR_SDRAM (MCF_IPSBAR + 0x100016)
#define MCFGPIO_PDDR_FECI2C (MCF_IPSBAR + 0x100017)
#define MCFGPIO_PDDR_UARTH (MCF_IPSBAR + 0x100018)
#define MCFGPIO_PDDR_UARTL (MCF_IPSBAR + 0x100019)
#define MCFGPIO_PDDR_QSPI (MCF_IPSBAR + 0x10001A)
#define MCFGPIO_PDDR_TIMER (MCF_IPSBAR + 0x10001B)
#define MCFGPIO_PDDR_ETPU (MCF_IPSBAR + 0x10001C)
#define MCFGPIO_PPDSDR_ADDR (MCF_IPSBAR + 0x100020)
#define MCFGPIO_PPDSDR_DATAH (MCF_IPSBAR + 0x100021)
#define MCFGPIO_PPDSDR_DATAL (MCF_IPSBAR + 0x100022)
#define MCFGPIO_PPDSDR_BUSCTL (MCF_IPSBAR + 0x100023)
#define MCFGPIO_PPDSDR_BS (MCF_IPSBAR + 0x100024)
#define MCFGPIO_PPDSDR_CS (MCF_IPSBAR + 0x100025)
#define MCFGPIO_PPDSDR_SDRAM (MCF_IPSBAR + 0x100026)
#define MCFGPIO_PPDSDR_FECI2C (MCF_IPSBAR + 0x100027)
#define MCFGPIO_PPDSDR_UARTH (MCF_IPSBAR + 0x100028)
#define MCFGPIO_PPDSDR_UARTL (MCF_IPSBAR + 0x100029)
#define MCFGPIO_PPDSDR_QSPI (MCF_IPSBAR + 0x10002A)
#define MCFGPIO_PPDSDR_TIMER (MCF_IPSBAR + 0x10002B)
#define MCFGPIO_PPDSDR_ETPU (MCF_IPSBAR + 0x10002C)
#define MCFGPIO_PCLRR_ADDR (MCF_IPSBAR + 0x100030)
#define MCFGPIO_PCLRR_DATAH (MCF_IPSBAR + 0x100031)
#define MCFGPIO_PCLRR_DATAL (MCF_IPSBAR + 0x100032)
#define MCFGPIO_PCLRR_BUSCTL (MCF_IPSBAR + 0x100033)
#define MCFGPIO_PCLRR_BS (MCF_IPSBAR + 0x100034)
#define MCFGPIO_PCLRR_CS (MCF_IPSBAR + 0x100035)
#define MCFGPIO_PCLRR_SDRAM (MCF_IPSBAR + 0x100036)
#define MCFGPIO_PCLRR_FECI2C (MCF_IPSBAR + 0x100037)
#define MCFGPIO_PCLRR_UARTH (MCF_IPSBAR + 0x100038)
#define MCFGPIO_PCLRR_UARTL (MCF_IPSBAR + 0x100039)
#define MCFGPIO_PCLRR_QSPI (MCF_IPSBAR + 0x10003A)
#define MCFGPIO_PCLRR_TIMER (MCF_IPSBAR + 0x10003B)
#define MCFGPIO_PCLRR_ETPU (MCF_IPSBAR + 0x10003C)
/*
* EPort
*/
#define MCFEPORT_EPDDR (MCF_IPSBAR + 0x130002)
#define MCFEPORT_EPDR (MCF_IPSBAR + 0x130004)
#define MCFEPORT_EPPDR (MCF_IPSBAR + 0x130005)
/*
* Generic GPIO support
*/
#define MCFGPIO_PODR MCFGPIO_PODR_ADDR
#define MCFGPIO_PDDR MCFGPIO_PDDR_ADDR
#define MCFGPIO_PPDR MCFGPIO_PPDSDR_ADDR
#define MCFGPIO_SETR MCFGPIO_PPDSDR_ADDR
#define MCFGPIO_CLRR MCFGPIO_PCLRR_ADDR
#define MCFGPIO_PIN_MAX 107
#define MCFGPIO_IRQ_MAX 8
#define MCFGPIO_IRQ_VECBASE MCFINT_VECBASE
/****************************************************************************/ /****************************************************************************/
#endif /* m523xsim_h */ #endif /* m523xsim_h */
arch/m68knommu/platform/523x/Makefile
View file @ dd7548ab
...@@ -14,4 +14,4 @@ ...@@ -14,4 +14,4 @@
asflags-$(CONFIG_FULLDEBUG) := -DDEBUGGER_COMPATIBLE_CACHE=1 asflags-$(CONFIG_FULLDEBUG) := -DDEBUGGER_COMPATIBLE_CACHE=1
obj-y := config.o obj-y := config.o gpio.o
arch/m68knommu/platform/523x/gpio.c 0 → 100644
View file @ dd7548ab
/*
* Coldfire generic GPIO support
*
* (C) Copyright 2009, Steven King <sfking@fdwdc.com>
*
* 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; version 2 of the License.
*
* 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.
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <asm/coldfire.h>
#include <asm/mcfsim.h>
#include <asm/mcfgpio.h>
static struct mcf_gpio_chip mcf_gpio_chips[] = {
{
.gpio_chip = {
.label = "PIRQ",
.request = mcf_gpio_request,
.free = mcf_gpio_free,
.direction_input = mcf_gpio_direction_input,
.direction_output = mcf_gpio_direction_output,
.get = mcf_gpio_get_value,
.set = mcf_gpio_set_value,
.ngpio = 8,
},
.pddr = MCFEPORT_EPDDR,
.podr = MCFEPORT_EPDR,
.ppdr = MCFEPORT_EPPDR,
},
{
.gpio_chip = {
.label = "ADDR",
.request = mcf_gpio_request,
.free = mcf_gpio_free,
.direction_input = mcf_gpio_direction_input,
.direction_output = mcf_gpio_direction_output,
.get = mcf_gpio_get_value,
.set = mcf_gpio_set_value_fast,
.base = 13,
.ngpio = 3,
},
.pddr = MCFGPIO_PDDR_ADDR,
.podr = MCFGPIO_PODR_ADDR,
.ppdr = MCFGPIO_PPDSDR_ADDR,
.setr = MCFGPIO_PPDSDR_ADDR,
.clrr = MCFGPIO_PCLRR_ADDR,
},
{
.gpio_chip = {
.label = "DATAH",
.request = mcf_gpio_request,
.free = mcf_gpio_free,
.direction_input = mcf_gpio_direction_input,
.direction_output = mcf_gpio_direction_output,
.get = mcf_gpio_get_value,
.set = mcf_gpio_set_value_fast,
.base = 16,
.ngpio = 8,
},
.pddr = MCFGPIO_PDDR_DATAH,
.podr = MCFGPIO_PODR_DATAH,
.ppdr = MCFGPIO_PPDSDR_DATAH,
.setr = MCFGPIO_PPDSDR_DATAH,
.clrr = MCFGPIO_PCLRR_DATAH,
},
{
.gpio_chip = {
.label = "DATAL",
.request = mcf_gpio_request,
.free = mcf_gpio_free,
.direction_input = mcf_gpio_direction_input,
.direction_output = mcf_gpio_direction_output,
.get = mcf_gpio_get_value,
.set = mcf_gpio_set_value_fast,
.base = 24,
.ngpio = 8,
},
.pddr = MCFGPIO_PDDR_DATAL,
.podr = MCFGPIO_PODR_DATAL,
.ppdr = MCFGPIO_PPDSDR_DATAL,
.setr = MCFGPIO_PPDSDR_DATAL,
.clrr = MCFGPIO_PCLRR_DATAL,
},
{
.gpio_chip = {
.label = "BUSCTL",
.request = mcf_gpio_request,
.free = mcf_gpio_free,
.direction_input = mcf_gpio_direction_input,
.direction_output = mcf_gpio_direction_output,
.get = mcf_gpio_get_value,
.set = mcf_gpio_set_value_fast,
.base = 32,
.ngpio = 8,
},
.pddr = MCFGPIO_PDDR_BUSCTL,
.podr = MCFGPIO_PODR_BUSCTL,
.ppdr = MCFGPIO_PPDSDR_BUSCTL,
.setr = MCFGPIO_PPDSDR_BUSCTL,
.clrr = MCFGPIO_PCLRR_BUSCTL,
},
{
.gpio_chip = {
.label = "BS",
.request = mcf_gpio_request,
.free = mcf_gpio_free,
.direction_input = mcf_gpio_direction_input,
.direction_output = mcf_gpio_direction_output,
.get = mcf_gpio_get_value,
.set = mcf_gpio_set_value_fast,
.base = 40,
.ngpio = 4,
},
.pddr = MCFGPIO_PDDR_BS,
.podr = MCFGPIO_PODR_BS,
.ppdr = MCFGPIO_PPDSDR_BS,
.setr = MCFGPIO_PPDSDR_BS,
.clrr = MCFGPIO_PCLRR_BS,
},
{
.gpio_chip = {
.label = "CS",
.request = mcf_gpio_request,
.free = mcf_gpio_free,
.direction_input = mcf_gpio_direction_input,
.direction_output = mcf_gpio_direction_output,
.get = mcf_gpio_get_value,
.set = mcf_gpio_set_value_fast,
.base = 49,
.ngpio = 7,
},
.pddr = MCFGPIO_PDDR_CS,
.podr = MCFGPIO_PODR_CS,
.ppdr = MCFGPIO_PPDSDR_CS,
.setr = MCFGPIO_PPDSDR_CS,
.clrr = MCFGPIO_PCLRR_CS,
},
{
.gpio_chip = {
.label = "SDRAM",
.request = mcf_gpio_request,
.free = mcf_gpio_free,
.direction_input = mcf_gpio_direction_input,
.direction_output = mcf_gpio_direction_output,
.get = mcf_gpio_get_value,
.set = mcf_gpio_set_value_fast,
.base = 56,
.ngpio = 6,
},
.pddr = MCFGPIO_PDDR_SDRAM,
.podr = MCFGPIO_PODR_SDRAM,
.ppdr = MCFGPIO_PPDSDR_SDRAM,
.setr = MCFGPIO_PPDSDR_SDRAM,
.clrr = MCFGPIO_PCLRR_SDRAM,
},
{
.gpio_chip = {
.label = "FECI2C",
.request = mcf_gpio_request,
.free = mcf_gpio_free,
.direction_input = mcf_gpio_direction_input,
.direction_output = mcf_gpio_direction_output,
.get = mcf_gpio_get_value,
.set = mcf_gpio_set_value_fast,
.base = 64,
.ngpio = 4,
},
.pddr = MCFGPIO_PDDR_FECI2C,
.podr = MCFGPIO_PODR_FECI2C,
.ppdr = MCFGPIO_PPDSDR_FECI2C,
.setr = MCFGPIO_PPDSDR_FECI2C,
.clrr = MCFGPIO_PCLRR_FECI2C,
},
{
.gpio_chip = {
.label = "UARTH",
.request = mcf_gpio_request,
.free = mcf_gpio_free,
.direction_input = mcf_gpio_direction_input,
.direction_output = mcf_gpio_direction_output,
.get = mcf_gpio_get_value,
.set = mcf_gpio_set_value_fast,
.base = 72,
.ngpio = 2,
},
.pddr = MCFGPIO_PDDR_UARTH,
.podr = MCFGPIO_PODR_UARTH,
.ppdr = MCFGPIO_PPDSDR_UARTH,
.setr = MCFGPIO_PPDSDR_UARTH,
.clrr = MCFGPIO_PCLRR_UARTH,
},
{
.gpio_chip = {
.label = "UARTL",
.request = mcf_gpio_request,
.free = mcf_gpio_free,
.direction_input = mcf_gpio_direction_input,
.direction_output = mcf_gpio_direction_output,
.get = mcf_gpio_get_value,
.set = mcf_gpio_set_value_fast,
.base = 80,
.ngpio = 8,
},
.pddr = MCFGPIO_PDDR_UARTL,
.podr = MCFGPIO_PODR_UARTL,
.ppdr = MCFGPIO_PPDSDR_UARTL,
.setr = MCFGPIO_PPDSDR_UARTL,
.clrr = MCFGPIO_PCLRR_UARTL,
},
{
.gpio_chip = {
.label = "QSPI",
.request = mcf_gpio_request,
.free = mcf_gpio_free,
.direction_input = mcf_gpio_direction_input,
.direction_output = mcf_gpio_direction_output,
.get = mcf_gpio_get_value,
.set = mcf_gpio_set_value_fast,
.base = 88,
.ngpio = 5,
},
.pddr = MCFGPIO_PDDR_QSPI,
.podr = MCFGPIO_PODR_QSPI,
.ppdr = MCFGPIO_PPDSDR_QSPI,
.setr = MCFGPIO_PPDSDR_QSPI,
.clrr = MCFGPIO_PCLRR_QSPI,
},
{
.gpio_chip = {
.label = "TIMER",
.request = mcf_gpio_request,
.free = mcf_gpio_free,
.direction_input = mcf_gpio_direction_input,
.direction_output = mcf_gpio_direction_output,
.get = mcf_gpio_get_value,
.set = mcf_gpio_set_value_fast,
.base = 96,
.ngpio = 4,
},
.pddr = MCFGPIO_PDDR_TIMER,
.podr = MCFGPIO_PODR_TIMER,
.ppdr = MCFGPIO_PPDSDR_TIMER,
.setr = MCFGPIO_PPDSDR_TIMER,
.clrr = MCFGPIO_PCLRR_TIMER,
},
{
.gpio_chip = {
.label = "ETPU",
.request = mcf_gpio_request,
.free = mcf_gpio_free,
.direction_input = mcf_gpio_direction_input,
.direction_output = mcf_gpio_direction_output,
.get = mcf_gpio_get_value,
.set = mcf_gpio_set_value_fast,
.base = 104,
.ngpio = 3,
},
.pddr = MCFGPIO_PDDR_ETPU,
.podr = MCFGPIO_PODR_ETPU,
.ppdr = MCFGPIO_PPDSDR_ETPU,
.setr = MCFGPIO_PPDSDR_ETPU,
.clrr = MCFGPIO_PCLRR_ETPU,
},
};
static int __init mcf_gpio_init(void)
{
unsigned i = 0;
while (i < ARRAY_SIZE(mcf_gpio_chips))
(void)gpiochip_add((struct gpio_chip *)&mcf_gpio_chips[i++]);
return 0;
}
core_initcall(mcf_gpio_init);
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