ARM: 5813/1: SA1100: h3100/h3600: add htc-egpio driver
It will be used for future conversion of assign_h3600_egpio calls to
gpiolib.
Signed-off-by: Dmitry Artamonow <mad_soft@inbox.ru>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-sa1100/h3600.c b/arch/arm/mach-sa1100/h3600.c
index 1297c11..429fdb0 100644
--- a/arch/arm/mach-sa1100/h3600.c
+++ b/arch/arm/mach-sa1100/h3600.c
@@ -25,10 +25,12 @@
#include <linux/tty.h>
#include <linux/pm.h>
#include <linux/device.h>
+#include <linux/mfd/htc-egpio.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/serial_core.h>
#include <linux/gpio.h>
+#include <linux/platform_device.h>
#include <asm/irq.h>
#include <mach/hardware.h>
@@ -184,11 +186,54 @@
.set_wake = h3xxx_uart_set_wake,
};
+/*
+ * EGPIO
+ */
+
+static struct resource egpio_resources[] = {
+ [0] = {
+ .start = H3600_EGPIO_PHYS,
+ .end = H3600_EGPIO_PHYS + 0x4 - 1,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct htc_egpio_chip egpio_chips[] = {
+ [0] = {
+ .reg_start = 0,
+ .gpio_base = H3XXX_EGPIO_BASE,
+ .num_gpios = 16,
+ .direction = HTC_EGPIO_OUTPUT,
+ .initial_values = 0x0080, /* H3XXX_EGPIO_RS232_ON */
+ },
+};
+
+static struct htc_egpio_platform_data egpio_info = {
+ .reg_width = 16,
+ .bus_width = 16,
+ .chip = egpio_chips,
+ .num_chips = ARRAY_SIZE(egpio_chips),
+};
+
+static struct platform_device h3xxx_egpio = {
+ .name = "htc-egpio",
+ .id = -1,
+ .resource = egpio_resources,
+ .num_resources = ARRAY_SIZE(egpio_resources),
+ .dev = {
+ .platform_data = &egpio_info,
+ },
+};
+
+static struct platform_device *h3xxx_devices[] = {
+ &h3xxx_egpio,
+};
static void __init h3xxx_mach_init(void)
{
sa1100_register_uart_fns(&h3xxx_port_fns);
sa11x0_register_mtd(&h3xxx_flash_data, &h3xxx_flash_resource, 1);
+ platform_add_devices(h3xxx_devices, ARRAY_SIZE(h3xxx_devices));
}
static struct map_desc h3600_io_desc[] __initdata = {