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ARM: OMAP: Remove old dead gpio expander code

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This should be done with GPIO calls. Patches against the
mainline tree welcome to add the necessary working functionality
back.

Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Tony Lindgren
2009-04-23 11:10:40 -07:00
parent da1b94e6a6
commit ba16ec7cab
4 changed files with 0 additions and 235 deletions
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101
arch/arm/mach-omap1/board-h3.c
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@@ -39,12 +39,10 @@
#include <asm/mach/flash.h>
#include <asm/mach/map.h>
#include <mach/gpioexpander.h>
#include <mach/irqs.h>
#include <mach/mux.h>
#include <mach/tc.h>
#include <mach/nand.h>
#include <mach/irda.h>
#include <mach/usb.h>
#include <mach/keypad.h>
#include <mach/dma.h>
@@ -276,104 +274,6 @@ static struct platform_device h3_kp_device = {
.resource = h3_kp_resources,
};
/* Select between the IrDA and aGPS module
*/
static int h3_select_irda(struct device *dev, int state)
{
unsigned char expa;
int err = 0;
if ((err = read_gpio_expa(&expa, 0x26))) {
printk(KERN_ERR "Error reading from I/O EXPANDER \n");
return err;
}
/* 'P6' enable/disable IRDA_TX and IRDA_RX */
if (state & IR_SEL) { /* IrDA */
if ((err = write_gpio_expa(expa | 0x40, 0x26))) {
printk(KERN_ERR "Error writing to I/O EXPANDER \n");
return err;
}
} else {
if ((err = write_gpio_expa(expa & ~0x40, 0x26))) {
printk(KERN_ERR "Error writing to I/O EXPANDER \n");
return err;
}
}
return err;
}
static void set_trans_mode(struct work_struct *work)
{
struct omap_irda_config *irda_config =
container_of(work, struct omap_irda_config, gpio_expa.work);
int mode = irda_config->mode;
unsigned char expa;
int err = 0;
if ((err = read_gpio_expa(&expa, 0x27)) != 0) {
printk(KERN_ERR "Error reading from I/O expander\n");
}
expa &= ~0x03;
if (mode & IR_SIRMODE) {
expa |= 0x01;
} else { /* MIR/FIR */
expa |= 0x03;
}
if ((err = write_gpio_expa(expa, 0x27)) != 0) {
printk(KERN_ERR "Error writing to I/O expander\n");
}
}
static int h3_transceiver_mode(struct device *dev, int mode)
{
struct omap_irda_config *irda_config = dev->platform_data;
irda_config->mode = mode;
cancel_delayed_work(&irda_config->gpio_expa);
PREPARE_DELAYED_WORK(&irda_config->gpio_expa, set_trans_mode);
schedule_delayed_work(&irda_config->gpio_expa, 0);
return 0;
}
static struct omap_irda_config h3_irda_data = {
.transceiver_cap = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,
.transceiver_mode = h3_transceiver_mode,
.select_irda = h3_select_irda,
.rx_channel = OMAP_DMA_UART3_RX,
.tx_channel = OMAP_DMA_UART3_TX,
.dest_start = UART3_THR,
.src_start = UART3_RHR,
.tx_trigger = 0,
.rx_trigger = 0,
};
static struct resource h3_irda_resources[] = {
[0] = {
.start = INT_UART3,
.end = INT_UART3,
.flags = IORESOURCE_IRQ,
},
};
static u64 irda_dmamask = 0xffffffff;
static struct platform_device h3_irda_device = {
.name = "omapirda",
.id = 0,
.dev = {
.platform_data = &h3_irda_data,
.dma_mask = &irda_dmamask,
},
.num_resources = ARRAY_SIZE(h3_irda_resources),
.resource = h3_irda_resources,
};
static struct platform_device h3_lcd_device = {
.name = "lcd_h3",
.id = -1,
@@ -395,7 +295,6 @@ static struct platform_device *devices[] __initdata = {
&nand_device,
&smc91x_device,
&intlat_device,
&h3_irda_device,
&h3_kp_device,
&h3_lcd_device,
};