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-rw-r--r--arch/m68knommu/platform/532x/Makefile2
-rw-r--r--arch/m68knommu/platform/532x/config.c4
-rw-r--r--arch/m68knommu/platform/532x/gpio.c337
3 files changed, 340 insertions, 3 deletions
diff --git a/arch/m68knommu/platform/532x/Makefile b/arch/m68knommu/platform/532x/Makefile
index e431912f562..4cc23245bcd 100644
--- a/arch/m68knommu/platform/532x/Makefile
+++ b/arch/m68knommu/platform/532x/Makefile
@@ -15,4 +15,4 @@
asflags-$(CONFIG_FULLDEBUG) := -DDEBUGGER_COMPATIBLE_CACHE=1
#obj-y := config.o usb-mcf532x.o spi-mcf532x.o
-obj-y := config.o
+obj-y := config.o gpio.o
diff --git a/arch/m68knommu/platform/532x/config.c b/arch/m68knommu/platform/532x/config.c
index cdb761971f7..28eb9ea55f4 100644
--- a/arch/m68knommu/platform/532x/config.c
+++ b/arch/m68knommu/platform/532x/config.c
@@ -438,8 +438,8 @@ void gpio_init(void)
/* Initialize TIN3 as a GPIO output to enable the write
half of the latch */
MCF_GPIO_PAR_TIMER = 0x00;
- MCF_GPIO_PDDR_TIMER = 0x08;
- MCF_GPIO_PCLRR_TIMER = 0x0;
+ __raw_writeb(0x08, MCFGPIO_PDDR_TIMER);
+ __raw_writeb(0x00, MCFGPIO_PCLRR_TIMER);
}
diff --git a/arch/m68knommu/platform/532x/gpio.c b/arch/m68knommu/platform/532x/gpio.c
new file mode 100644
index 00000000000..184b77382c3
--- /dev/null
+++ b/arch/m68knommu/platform/532x/gpio.c
@@ -0,0 +1,337 @@
+/*
+ * 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 = "FECH",
+ .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 = 8,
+ },
+ .pddr = MCFGPIO_PDDR_FECH,
+ .podr = MCFGPIO_PODR_FECH,
+ .ppdr = MCFGPIO_PPDSDR_FECH,
+ .setr = MCFGPIO_PPDSDR_FECH,
+ .clrr = MCFGPIO_PCLRR_FECH,
+ },
+ {
+ .gpio_chip = {
+ .label = "FECL",
+ .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_FECL,
+ .podr = MCFGPIO_PODR_FECL,
+ .ppdr = MCFGPIO_PPDSDR_FECL,
+ .setr = MCFGPIO_PPDSDR_FECL,
+ .clrr = MCFGPIO_PCLRR_FECL,
+ },
+ {
+ .gpio_chip = {
+ .label = "SSI",
+ .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 = 5,
+ },
+ .pddr = MCFGPIO_PDDR_SSI,
+ .podr = MCFGPIO_PODR_SSI,
+ .ppdr = MCFGPIO_PPDSDR_SSI,
+ .setr = MCFGPIO_PPDSDR_SSI,
+ .clrr = MCFGPIO_PCLRR_SSI,
+ },
+ {
+ .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 = 4,
+ },
+ .pddr = MCFGPIO_PDDR_BUSCTL,
+ .podr = MCFGPIO_PODR_BUSCTL,
+ .ppdr = MCFGPIO_PPDSDR_BUSCTL,
+ .setr = MCFGPIO_PPDSDR_BUSCTL,
+ .clrr = MCFGPIO_PCLRR_BUSCTL,
+ },
+ {
+ .gpio_chip = {
+ .label = "BE",
+ .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_BE,
+ .podr = MCFGPIO_PODR_BE,
+ .ppdr = MCFGPIO_PPDSDR_BE,
+ .setr = MCFGPIO_PPDSDR_BE,
+ .clrr = MCFGPIO_PCLRR_BE,
+ },
+ {
+ .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 = 5,
+ },
+ .pddr = MCFGPIO_PDDR_CS,
+ .podr = MCFGPIO_PODR_CS,
+ .ppdr = MCFGPIO_PPDSDR_CS,
+ .setr = MCFGPIO_PPDSDR_CS,
+ .clrr = MCFGPIO_PCLRR_CS,
+ },
+ {
+ .gpio_chip = {
+ .label = "PWM",
+ .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 = 58,
+ .ngpio = 4,
+ },
+ .pddr = MCFGPIO_PDDR_PWM,
+ .podr = MCFGPIO_PODR_PWM,
+ .ppdr = MCFGPIO_PPDSDR_PWM,
+ .setr = MCFGPIO_PPDSDR_PWM,
+ .clrr = MCFGPIO_PCLRR_PWM,
+ },
+ {
+ .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 = "UART",
+ .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_PDDR_UART,
+ .podr = MCFGPIO_PODR_UART,
+ .ppdr = MCFGPIO_PPDSDR_UART,
+ .setr = MCFGPIO_PPDSDR_UART,
+ .clrr = MCFGPIO_PCLRR_UART,
+ },
+ {
+ .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 = 80,
+ .ngpio = 6,
+ },
+ .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 = 88,
+ .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 = "LCDDATAH",
+ .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 = 2,
+ },
+ .pddr = MCFGPIO_PDDR_LCDDATAH,
+ .podr = MCFGPIO_PODR_LCDDATAH,
+ .ppdr = MCFGPIO_PPDSDR_LCDDATAH,
+ .setr = MCFGPIO_PPDSDR_LCDDATAH,
+ .clrr = MCFGPIO_PCLRR_LCDDATAH,
+ },
+ {
+ .gpio_chip = {
+ .label = "LCDDATAM",
+ .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_PDDR_LCDDATAM,
+ .podr = MCFGPIO_PODR_LCDDATAM,
+ .ppdr = MCFGPIO_PPDSDR_LCDDATAM,
+ .setr = MCFGPIO_PPDSDR_LCDDATAM,
+ .clrr = MCFGPIO_PCLRR_LCDDATAM,
+ },
+ {
+ .gpio_chip = {
+ .label = "LCDDATAL",
+ .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_PDDR_LCDDATAL,
+ .podr = MCFGPIO_PODR_LCDDATAL,
+ .ppdr = MCFGPIO_PPDSDR_LCDDATAL,
+ .setr = MCFGPIO_PPDSDR_LCDDATAL,
+ .clrr = MCFGPIO_PCLRR_LCDDATAL,
+ },
+ {
+ .gpio_chip = {
+ .label = "LCDCTLH",
+ .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 = 1,
+ },
+ .pddr = MCFGPIO_PDDR_LCDCTLH,
+ .podr = MCFGPIO_PODR_LCDCTLH,
+ .ppdr = MCFGPIO_PPDSDR_LCDCTLH,
+ .setr = MCFGPIO_PPDSDR_LCDCTLH,
+ .clrr = MCFGPIO_PCLRR_LCDCTLH,
+ },
+ {
+ .gpio_chip = {
+ .label = "LCDCTLL",
+ .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_PDDR_LCDCTLL,
+ .podr = MCFGPIO_PODR_LCDCTLL,
+ .ppdr = MCFGPIO_PPDSDR_LCDCTLL,
+ .setr = MCFGPIO_PPDSDR_LCDCTLL,
+ .clrr = MCFGPIO_PCLRR_LCDCTLL,
+ },
+};
+
+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);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-26 01:21:19 +0000