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authorMark F. Brown <mark.brown314@gmail.com>2010-09-12 23:51:36 -0400
committerEric Miao <eric.y.miao@gmail.com>2010-10-09 17:07:28 +0800
commit759305c62f294d4f5fb1d8dde5ece98d2f71cfcb (patch)
tree0ff708a010fca79bf988dde90dcb2cf461cefd55 /arch/arm/mach-mmp
parentd2ce697309ba5215cc5b2d5a11c8599d9eb1c75c (diff)
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>
Diffstat (limited to 'arch/arm/mach-mmp')
-rw-r--r--arch/arm/mach-mmp/teton_bga.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/arm/mach-mmp/teton_bga.c b/arch/arm/mach-mmp/teton_bga.c
index f556b2059754..a4a375c58e0c 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 @@ static unsigned long teton_bga_pin_config[] __initdata = {
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 @@ static struct pxa27x_keypad_platform_data teton_bga_keypad_info __initdata = {
.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 @@ static void __init teton_bga_init(void)
/* 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")