aboutsummaryrefslogtreecommitdiffstats
path: root/arch/m68knommu/platform/528x
diff options
context:
space:
mode:
authorsfking@fdwdc.com <sfking@fdwdc.com>2009-06-19 18:11:08 -0700
committerGreg Ungerer <gerg@uclinux.org>2009-09-10 12:01:23 +1000
commit6da6e63c96f5fc8a92b6d1d6f12c2bf998588ffe (patch)
tree0245cc03353af24b2c84ac7f8d394ba257592861 /arch/m68knommu/platform/528x
parent316f2c483c32e9385329303258d12e6e33892af5 (diff)
downloadmrst-s0i3-test-6da6e63c96f5fc8a92b6d1d6f12c2bf998588ffe.tar.gz
mrst-s0i3-test-6da6e63c96f5fc8a92b6d1d6f12c2bf998588ffe.tar.xz
mrst-s0i3-test-6da6e63c96f5fc8a92b6d1d6f12c2bf998588ffe.zip
generic GPIO support for the Freescale Coldfire 528x.
Add support for the 528x. Signed-off-by: Steven King <sfking@fdwdc.com> Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Diffstat (limited to 'arch/m68knommu/platform/528x')
-rw-r--r--arch/m68knommu/platform/528x/Makefile2
-rw-r--r--arch/m68knommu/platform/528x/gpio.c438
2 files changed, 439 insertions, 1 deletions
diff --git a/arch/m68knommu/platform/528x/Makefile b/arch/m68knommu/platform/528x/Makefile
index 26135d92b34..3d90e6d9245 100644
--- a/arch/m68knommu/platform/528x/Makefile
+++ b/arch/m68knommu/platform/528x/Makefile
@@ -14,5 +14,5 @@
asflags-$(CONFIG_FULLDEBUG) := -DDEBUGGER_COMPATIBLE_CACHE=1
-obj-y := config.o
+obj-y := config.o gpio.o
diff --git a/arch/m68knommu/platform/528x/gpio.c b/arch/m68knommu/platform/528x/gpio.c
new file mode 100644
index 00000000000..ec593950696
--- /dev/null
+++ b/arch/m68knommu/platform/528x/gpio.c
@@ -0,0 +1,438 @@
+/*
+ * 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 = "NQ",
+ .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,
+ .base = 1,
+ .ngpio = 8,
+ },
+ .pddr = MCFEPORT_EPDDR,
+ .podr = MCFEPORT_EPDR,
+ .ppdr = MCFEPORT_EPPDR,
+ },
+ {
+ .gpio_chip = {
+ .label = "TA",
+ .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 = 8,
+ .ngpio = 4,
+ },
+ .pddr = MCFGPTA_GPTDDR,
+ .podr = MCFGPTA_GPTPORT,
+ .ppdr = MCFGPTB_GPTPORT,
+ },
+ {
+ .gpio_chip = {
+ .label = "TB",
+ .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 = 4,
+ },
+ .pddr = MCFGPTB_GPTDDR,
+ .podr = MCFGPTB_GPTPORT,
+ .ppdr = MCFGPTB_GPTPORT,
+ },
+ {
+ .gpio_chip = {
+ .label = "QA",
+ .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 = 4,
+ },
+ .pddr = MCFQADC_DDRQA,
+ .podr = MCFQADC_PORTQA,
+ .ppdr = MCFQADC_PORTQA,
+ },
+ {
+ .gpio_chip = {
+ .label = "QB",
+ .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 = 4,
+ },
+ .pddr = MCFQADC_DDRQB,
+ .podr = MCFQADC_PORTQB,
+ .ppdr = MCFQADC_PORTQB,
+ },
+ {
+ .gpio_chip = {
+ .label = "A",
+ .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 = 8,
+ },
+ .pddr = MCFGPIO_DDRA,
+ .podr = MCFGPIO_PORTA,
+ .ppdr = MCFGPIO_PORTAP,
+ .setr = MCFGPIO_SETA,
+ .clrr = MCFGPIO_CLRA,
+ },
+ {
+ .gpio_chip = {
+ .label = "B",
+ .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 = 48,
+ .ngpio = 8,
+ },
+ .pddr = MCFGPIO_DDRB,
+ .podr = MCFGPIO_PORTB,
+ .ppdr = MCFGPIO_PORTBP,
+ .setr = MCFGPIO_SETB,
+ .clrr = MCFGPIO_CLRB,
+ },
+ {
+ .gpio_chip = {
+ .label = "C",
+ .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 = 8,
+ },
+ .pddr = MCFGPIO_DDRC,
+ .podr = MCFGPIO_PORTC,
+ .ppdr = MCFGPIO_PORTCP,
+ .setr = MCFGPIO_SETC,
+ .clrr = MCFGPIO_CLRC,
+ },
+ {
+ .gpio_chip = {
+ .label = "D",
+ .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 = 8,
+ },
+ .pddr = MCFGPIO_DDRD,
+ .podr = MCFGPIO_PORTD,
+ .ppdr = MCFGPIO_PORTDP,
+ .setr = MCFGPIO_SETD,
+ .clrr = MCFGPIO_CLRD,
+ },
+ {
+ .gpio_chip = {
+ .label = "E",
+ .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 = 8,
+ },
+ .pddr = MCFGPIO_DDRE,
+ .podr = MCFGPIO_PORTE,
+ .ppdr = MCFGPIO_PORTEP,
+ .setr = MCFGPIO_SETE,
+ .clrr = MCFGPIO_CLRE,
+ },
+ {
+ .gpio_chip = {
+ .label = "F",
+ .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_DDRF,
+ .podr = MCFGPIO_PORTF,
+ .ppdr = MCFGPIO_PORTFP,
+ .setr = MCFGPIO_SETF,
+ .clrr = MCFGPIO_CLRF,
+ },
+ {
+ .gpio_chip = {
+ .label = "G",
+ .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 = 8,
+ },
+ .pddr = MCFGPIO_DDRG,
+ .podr = MCFGPIO_PORTG,
+ .ppdr = MCFGPIO_PORTGP,
+ .setr = MCFGPIO_SETG,
+ .clrr = MCFGPIO_CLRG,
+ },
+ {
+ .gpio_chip = {
+ .label = "H",
+ .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 = 8,
+ },
+ .pddr = MCFGPIO_DDRH,
+ .podr = MCFGPIO_PORTH,
+ .ppdr = MCFGPIO_PORTHP,
+ .setr = MCFGPIO_SETH,
+ .clrr = MCFGPIO_CLRH,
+ },
+ {
+ .gpio_chip = {
+ .label = "J",
+ .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 = 8,
+ },
+ .pddr = MCFGPIO_DDRJ,
+ .podr = MCFGPIO_PORTJ,
+ .ppdr = MCFGPIO_PORTJP,
+ .setr = MCFGPIO_SETJ,
+ .clrr = MCFGPIO_CLRJ,
+ },
+ {
+ .gpio_chip = {
+ .label = "DD",
+ .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 = 112,
+ .ngpio = 8,
+ },
+ .pddr = MCFGPIO_DDRDD,
+ .podr = MCFGPIO_PORTDD,
+ .ppdr = MCFGPIO_PORTDDP,
+ .setr = MCFGPIO_SETDD,
+ .clrr = MCFGPIO_CLRDD,
+ },
+ {
+ .gpio_chip = {
+ .label = "EH",
+ .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 = 120,
+ .ngpio = 8,
+ },
+ .pddr = MCFGPIO_DDREH,
+ .podr = MCFGPIO_PORTEH,
+ .ppdr = MCFGPIO_PORTEHP,
+ .setr = MCFGPIO_SETEH,
+ .clrr = MCFGPIO_CLREH,
+ },
+ {
+ .gpio_chip = {
+ .label = "EL",
+ .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 = 128,
+ .ngpio = 8,
+ },
+ .pddr = MCFGPIO_DDREL,
+ .podr = MCFGPIO_PORTEL,
+ .ppdr = MCFGPIO_PORTELP,
+ .setr = MCFGPIO_SETEL,
+ .clrr = MCFGPIO_CLREL,
+ },
+ {
+ .gpio_chip = {
+ .label = "AS",
+ .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 = 136,
+ .ngpio = 6,
+ },
+ .pddr = MCFGPIO_DDRAS,
+ .podr = MCFGPIO_PORTAS,
+ .ppdr = MCFGPIO_PORTASP,
+ .setr = MCFGPIO_SETAS,
+ .clrr = MCFGPIO_CLRAS,
+ },
+ {
+ .gpio_chip = {
+ .label = "QS",
+ .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 = 144,
+ .ngpio = 7,
+ },
+ .pddr = MCFGPIO_DDRQS,
+ .podr = MCFGPIO_PORTQS,
+ .ppdr = MCFGPIO_PORTQSP,
+ .setr = MCFGPIO_SETQS,
+ .clrr = MCFGPIO_CLRQS,
+ },
+ {
+ .gpio_chip = {
+ .label = "SD",
+ .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 = 152,
+ .ngpio = 6,
+ },
+ .pddr = MCFGPIO_DDRSD,
+ .podr = MCFGPIO_PORTSD,
+ .ppdr = MCFGPIO_PORTSDP,
+ .setr = MCFGPIO_SETSD,
+ .clrr = MCFGPIO_CLRSD,
+ },
+ {
+ .gpio_chip = {
+ .label = "TC",
+ .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 = 160,
+ .ngpio = 4,
+ },
+ .pddr = MCFGPIO_DDRTC,
+ .podr = MCFGPIO_PORTTC,
+ .ppdr = MCFGPIO_PORTTCP,
+ .setr = MCFGPIO_SETTC,
+ .clrr = MCFGPIO_CLRTC,
+ },
+ {
+ .gpio_chip = {
+ .label = "TD",
+ .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 = 168,
+ .ngpio = 4,
+ },
+ .pddr = MCFGPIO_DDRTD,
+ .podr = MCFGPIO_PORTTD,
+ .ppdr = MCFGPIO_PORTTDP,
+ .setr = MCFGPIO_SETTD,
+ .clrr = MCFGPIO_CLRTD,
+ },
+ {
+ .gpio_chip = {
+ .label = "UA",
+ .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 = 176,
+ .ngpio = 4,
+ },
+ .pddr = MCFGPIO_DDRUA,
+ .podr = MCFGPIO_PORTUA,
+ .ppdr = MCFGPIO_PORTUAP,
+ .setr = MCFGPIO_SETUA,
+ .clrr = MCFGPIO_CLRUA,
+ },
+};
+
+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);