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ARM: pxa168/teton bga: add board support for i2c and rtc-ds1337

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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>
This commit is contained in:
Mark F. Brown
2010-09-12 23:51:36 -04:00
committed by Eric Miao
parent d2ce697309
commit 759305c62f
1 changed files with 16 additions and 0 deletions
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16
arch/arm/mach-mmp/teton_bga.c
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@@ -18,6 +18,7 @@
#include <linux/gpio.h> #include <linux/gpio.h>
#include <linux/input.h> #include <linux/input.h>
#include <plat/pxa27x_keypad.h> #include <plat/pxa27x_keypad.h>
#include <linux/i2c.h>
#include <asm/mach-types.h> #include <asm/mach-types.h>
#include <asm/mach/arch.h> #include <asm/mach/arch.h>
@@ -38,6 +39,13 @@ static unsigned long teton_bga_pin_config[] __initdata = {
GPIO110_KP_MKIN0, GPIO110_KP_MKIN0,
GPIO111_KP_MKOUT7, GPIO111_KP_MKOUT7,
GPIO112_KP_MKOUT6, GPIO112_KP_MKOUT6,
/* I2C Bus */
GPIO105_CI2C_SDA,
GPIO106_CI2C_SCL,
/* RTC */
GPIO78_GPIO,
}; };
static unsigned int teton_bga_matrix_key_map[] = { 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, .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) static void __init teton_bga_init(void)
{ {
mfp_config(ARRAY_AND_SIZE(teton_bga_pin_config)); mfp_config(ARRAY_AND_SIZE(teton_bga_pin_config));
@@ -62,6 +77,7 @@ static void __init teton_bga_init(void)
/* on-chip devices */ /* on-chip devices */
pxa168_add_uart(1); pxa168_add_uart(1);
pxa168_add_keypad(&teton_bga_keypad_info); 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") MACHINE_START(TETON_BGA, "PXA168-based Teton BGA Development Platform")