ARM: pxa168/teton bga: add board support for i2c and rtc-ds1337
Defined I2C/ALARM pin definitions
DS1337 RTC alarm support is tied to RTC_INT_GPIO
Signed-off-by: Mark F. Brown <mark.brown314@gmail.com>
Acked-by: Haojian Zhuang <haojian.zhuang@marvell.com>
Acked-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
diff --git a/arch/arm/mach-mmp/teton_bga.c b/arch/arm/mach-mmp/teton_bga.c
index f556b20..a4a375c 100644
--- a/arch/arm/mach-mmp/teton_bga.c
+++ b/arch/arm/mach-mmp/teton_bga.c
@@ -18,6 +18,7 @@
#include <linux/gpio.h>
#include <linux/input.h>
#include <plat/pxa27x_keypad.h>
+#include <linux/i2c.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
@@ -38,6 +39,13 @@
GPIO110_KP_MKIN0,
GPIO111_KP_MKOUT7,
GPIO112_KP_MKOUT6,
+
+ /* I2C Bus */
+ GPIO105_CI2C_SDA,
+ GPIO106_CI2C_SCL,
+
+ /* RTC */
+ GPIO78_GPIO,
};
static unsigned int teton_bga_matrix_key_map[] = {
@@ -55,6 +63,13 @@
.debounce_interval = 30,
};
+static struct i2c_board_info teton_bga_i2c_info[] __initdata = {
+ {
+ I2C_BOARD_INFO("ds1337", 0x68),
+ .irq = gpio_to_irq(RTC_INT_GPIO)
+ },
+};
+
static void __init teton_bga_init(void)
{
mfp_config(ARRAY_AND_SIZE(teton_bga_pin_config));
@@ -62,6 +77,7 @@
/* on-chip devices */
pxa168_add_uart(1);
pxa168_add_keypad(&teton_bga_keypad_info);
+ pxa168_add_twsi(0, NULL, ARRAY_AND_SIZE(teton_bga_i2c_info));
}
MACHINE_START(TETON_BGA, "PXA168-based Teton BGA Development Platform")