[ARM] IrDA support for e7xx
This patchset provides a fully functional SIR IrDA driver for the Toshiba e7xx PDAs. Signed-off-by: Ian Molton <spyro@f2s.com>
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@ -25,6 +25,7 @@
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#include <mach/mfp-pxa25x.h>
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#include <mach/hardware.h>
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#include <mach/udc.h>
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#include <mach/irda.h>
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#include "generic.h"
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#include "eseries.h"
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@ -118,6 +119,9 @@ static unsigned long e740_pin_config[] __initdata = {
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GPIO44_BTUART_CTS,
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GPIO45_GPIO, /* Used by TMIO for #SUSPEND */
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/* IrDA */
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GPIO38_GPIO | MFP_LPM_DRIVE_HIGH,
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/* PC Card */
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GPIO8_GPIO, /* CD0 */
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GPIO44_GPIO, /* CD1 */
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@ -153,6 +157,8 @@ static void __init e740_init(void)
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pxa2xx_mfp_config(ARRAY_AND_SIZE(e740_pin_config));
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platform_add_devices(devices, ARRAY_SIZE(devices));
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pxa_set_udc_info(&e7xx_udc_mach_info);
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e7xx_irda_init();
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pxa_set_ficp_info(&e7xx_ficp_platform_data);
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}
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MACHINE_START(E740, "Toshiba e740")
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@ -25,6 +25,7 @@
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#include <mach/mfp-pxa25x.h>
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#include <mach/hardware.h>
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#include <mach/udc.h>
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#include <mach/irda.h>
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#include "generic.h"
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#include "eseries.h"
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@ -110,6 +111,8 @@ static void __init e750_init(void)
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{
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platform_add_devices(devices, ARRAY_SIZE(devices));
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pxa_set_udc_info(&e7xx_udc_mach_info);
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e7xx_irda_init();
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pxa_set_ficp_info(&e7xx_ficp_platform_data);
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}
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MACHINE_START(E750, "Toshiba e750")
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@ -12,6 +12,8 @@
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/gpio.h>
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#include <linux/platform_device.h>
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#include <asm/setup.h>
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#include <asm/mach/arch.h>
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@ -21,6 +23,7 @@
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#include <mach/hardware.h>
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#include <mach/eseries-gpio.h>
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#include <mach/udc.h>
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#include <mach/irda.h>
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#include "generic.h"
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@ -43,3 +46,43 @@ struct pxa2xx_udc_mach_info e7xx_udc_mach_info = {
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.gpio_pullup_inverted = 1
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};
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static void e7xx_irda_transceiver_mode(struct device *dev, int mode)
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{
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if (mode & IR_OFF) {
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gpio_set_value(GPIO_E7XX_IR_OFF, 1);
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pxa2xx_transceiver_mode(dev, mode);
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} else {
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pxa2xx_transceiver_mode(dev, mode);
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gpio_set_value(GPIO_E7XX_IR_OFF, 0);
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}
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}
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int e7xx_irda_init(void)
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{
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int ret;
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ret = gpio_request(GPIO_E7XX_IR_OFF, "IrDA power");
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if (ret)
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goto out;
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ret = gpio_direction_output(GPIO_E7XX_IR_OFF, 0);
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if (ret)
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goto out;
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e7xx_irda_transceiver_mode(NULL, IR_SIRMODE | IR_OFF);
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out:
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return ret;
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}
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static void e7xx_irda_shutdown(struct device *dev)
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{
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e7xx_irda_transceiver_mode(dev, IR_SIRMODE | IR_OFF);
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gpio_free(GPIO_E7XX_IR_OFF);
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}
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struct pxaficp_platform_data e7xx_ficp_platform_data = {
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.transceiver_cap = IR_SIRMODE | IR_OFF,
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.transceiver_mode = e7xx_irda_transceiver_mode,
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.shutdown = e7xx_irda_shutdown,
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};
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@ -2,3 +2,6 @@ void __init eseries_fixup(struct machine_desc *desc,
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struct tag *tags, char **cmdline, struct meminfo *mi);
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extern struct pxa2xx_udc_mach_info e7xx_udc_mach_info;
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extern struct pxaficp_platform_data e7xx_ficp_platform_data;
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extern int e7xx_irda_init(void);
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@ -43,7 +43,7 @@
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#define GPIO_E800_PCMCIA_PWR1 73
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/* e7xx IrDA power control */
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#define GPIO_E7XX_IR_ON 38
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#define GPIO_E7XX_IR_OFF 38
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/* ASIC related GPIOs */
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#define GPIO_ESERIES_TMIO_IRQ 5
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