diff options
Diffstat (limited to 'arch/arm/mach-pxa')
| -rw-r--r-- | arch/arm/mach-pxa/cm-x300.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/cm-x300.c b/arch/arm/mach-pxa/cm-x300.c index 5295304731f..cd39fa22ba2 100644 --- a/arch/arm/mach-pxa/cm-x300.c +++ b/arch/arm/mach-pxa/cm-x300.c @@ -21,6 +21,7 @@ #include <linux/gpio.h> #include <linux/dm9000.h> #include <linux/leds.h> +#include <linux/rtc-v3020.h> #include <linux/i2c.h> #include <linux/i2c/pca953x.h> @@ -46,6 +47,11 @@ #define CM_X300_MMC2_IRQ IRQ_GPIO(GPIO82_MMC2_IRQ) +#define GPIO95_RTC_CS (95) +#define GPIO96_RTC_WR (96) +#define GPIO97_RTC_RD (97) +#define GPIO98_RTC_IO (98) + static mfp_cfg_t cm_x300_mfp_cfg[] __initdata = { /* LCD */ GPIO54_LCD_LDD_0, @@ -135,6 +141,12 @@ static mfp_cfg_t cm_x300_mfp_cfg[] __initdata = { GPIO85_GPIO, /* MMC WP */ GPIO99_GPIO, /* Ethernet IRQ */ + /* RTC GPIOs */ + GPIO95_GPIO, /* RTC CS */ + GPIO96_GPIO, /* RTC WR */ + GPIO97_GPIO, /* RTC RD */ + GPIO98_GPIO, /* RTC IO */ + /* Standard I2C */ GPIO21_I2C_SCL, GPIO22_I2C_SDA, @@ -442,6 +454,31 @@ static void __init cm_x300_init_i2c(void) static inline void cm_x300_init_i2c(void) {} #endif +#if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE) +struct v3020_platform_data cm_x300_v3020_pdata = { + .use_gpio = 1, + .gpio_cs = GPIO95_RTC_CS, + .gpio_wr = GPIO96_RTC_WR, + .gpio_rd = GPIO97_RTC_RD, + .gpio_io = GPIO98_RTC_IO, +}; + +static struct platform_device cm_x300_rtc_device = { + .name = "v3020", + .id = -1, + .dev = { + .platform_data = &cm_x300_v3020_pdata, + } +}; + +static void __init cm_x300_init_rtc(void) +{ + platform_device_register(&cm_x300_rtc_device); +} +#else +static inline void cm_x300_init_rtc(void) {} +#endif + static void __init cm_x300_init(void) { /* board-processor specific GPIO initialization */ @@ -454,6 +491,7 @@ static void __init cm_x300_init(void) cm_x300_init_nand(); cm_x300_init_leds(); cm_x300_init_i2c(); + cm_x300_init_rtc(); } MACHINE_START(CM_X300, "CM-X300 module") |