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Subject[PATCH v2 3/3] ARM: pxa168/teton bga: add board support for i2c and rtc-ds1337
Date
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>
---
arch/arm/mach-mmp/teton_bga.c | 16 ++++++++++++++++
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 2966117..d631bbc 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")
--
1.7.0.4


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