diff options
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/mach-pxa/balloon3.c | 84 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/include/mach/balloon3.h | 11 |
2 files changed, 92 insertions, 3 deletions
diff --git a/arch/arm/mach-pxa/balloon3.c b/arch/arm/mach-pxa/balloon3.c index 91ad56d6e92..6f594bd410d 100644 --- a/arch/arm/mach-pxa/balloon3.c +++ b/arch/arm/mach-pxa/balloon3.c @@ -26,6 +26,7 @@ #include <linux/mtd/mtd.h> #include <linux/mtd/partitions.h> #include <linux/types.h> +#include <linux/i2c/pcf857x.h> #include <asm/setup.h> #include <asm/mach-types.h> @@ -375,15 +376,65 @@ static struct gpio_led_platform_data balloon3_gpio_led_info = { static struct platform_device balloon3_leds = { .name = "leds-gpio", - .id = -1, + .id = 0, .dev = { .platform_data = &balloon3_gpio_led_info, } }; +struct gpio_led balloon3_pcf_gpio_leds[] = { + { + .name = "balloon3:green:led0", + .gpio = BALLOON3_PCF_GPIO_LED0, + .active_low = 1, + }, { + .name = "balloon3:green:led1", + .gpio = BALLOON3_PCF_GPIO_LED1, + .active_low = 1, + }, { + .name = "balloon3:orange:led2", + .gpio = BALLOON3_PCF_GPIO_LED2, + .active_low = 1, + }, { + .name = "balloon3:orange:led3", + .gpio = BALLOON3_PCF_GPIO_LED3, + .active_low = 1, + }, { + .name = "balloon3:orange:led4", + .gpio = BALLOON3_PCF_GPIO_LED4, + .active_low = 1, + }, { + .name = "balloon3:orange:led5", + .gpio = BALLOON3_PCF_GPIO_LED5, + .active_low = 1, + }, { + .name = "balloon3:red:led6", + .gpio = BALLOON3_PCF_GPIO_LED6, + .active_low = 1, + }, { + .name = "balloon3:red:led7", + .gpio = BALLOON3_PCF_GPIO_LED7, + .active_low = 1, + }, +}; + +static struct gpio_led_platform_data balloon3_pcf_gpio_led_info = { + .leds = balloon3_pcf_gpio_leds, + .num_leds = ARRAY_SIZE(balloon3_pcf_gpio_leds), +}; + +static struct platform_device balloon3_pcf_leds = { + .name = "leds-gpio", + .id = 1, + .dev = { + .platform_data = &balloon3_pcf_gpio_led_info, + } +}; + static void __init balloon3_leds_init(void) { platform_device_register(&balloon3_leds); + platform_device_register(&balloon3_pcf_leds); } #else static inline void balloon3_leds_init(void) {} @@ -451,6 +502,34 @@ static void __init balloon3_init_irq(void) } /****************************************************************************** + * GPIO expander + ******************************************************************************/ +#if defined(CONFIG_GPIO_PCF857X) || defined(CONFIG_GPIO_PCF857X_MODULE) +static struct pcf857x_platform_data balloon3_pcf857x_pdata = { + .gpio_base = BALLOON3_PCF_GPIO_BASE, + .n_latch = 0, + .setup = NULL, + .teardown = NULL, + .context = NULL, +}; + +static struct i2c_board_info __initdata balloon3_i2c_devs[] = { + { + I2C_BOARD_INFO("pcf8574a", 0x38), + .platform_data = &balloon3_pcf857x_pdata, + }, +}; + +static void __init balloon3_i2c_init(void) +{ + pxa_set_i2c_info(NULL); + i2c_register_board_info(0, ARRAY_AND_SIZE(balloon3_i2c_devs)); +} +#else +static inline void balloon3_i2c_init(void) {} +#endif + +/****************************************************************************** * Machine init ******************************************************************************/ static void __init balloon3_init(void) @@ -463,8 +542,7 @@ static void __init balloon3_init(void) pxa_set_btuart_info(NULL); pxa_set_stuart_info(NULL); - pxa_set_i2c_info(NULL); - + balloon3_i2c_init(); balloon3_irda_init(); balloon3_lcd_init(); balloon3_leds_init(); diff --git a/arch/arm/mach-pxa/include/mach/balloon3.h b/arch/arm/mach-pxa/include/mach/balloon3.h index d5dcf750c1e..238f887ebae 100644 --- a/arch/arm/mach-pxa/include/mach/balloon3.h +++ b/arch/arm/mach-pxa/include/mach/balloon3.h @@ -69,6 +69,17 @@ enum balloon3_features { #define BALLOON3_GPIO_S0_CD (105) +/* PCF8574A Leds */ +#define BALLOON3_PCF_GPIO_BASE 160 +#define BALLOON3_PCF_GPIO_LED0 (BALLOON3_PCF_GPIO_BASE + 0) +#define BALLOON3_PCF_GPIO_LED1 (BALLOON3_PCF_GPIO_BASE + 1) +#define BALLOON3_PCF_GPIO_LED2 (BALLOON3_PCF_GPIO_BASE + 2) +#define BALLOON3_PCF_GPIO_LED3 (BALLOON3_PCF_GPIO_BASE + 3) +#define BALLOON3_PCF_GPIO_LED4 (BALLOON3_PCF_GPIO_BASE + 4) +#define BALLOON3_PCF_GPIO_LED5 (BALLOON3_PCF_GPIO_BASE + 5) +#define BALLOON3_PCF_GPIO_LED6 (BALLOON3_PCF_GPIO_BASE + 6) +#define BALLOON3_PCF_GPIO_LED7 (BALLOON3_PCF_GPIO_BASE + 7) + /* FPGA Interrupt Mask/Acknowledge Register */ #define BALLOON3_INT_S0_IRQ (1 << 0) /* PCMCIA 0 IRQ */ #define BALLOON3_INT_S0_STSCHG (1 << 1) /* PCMCIA 0 status changed */ |