lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

mx5: Register i2c on Freescale MX51 Babbage HW

Browse Source 
Add device registration and setup IOMUX pins in the mx51_babbage
board feil.

Signed-off-by: Dinh Nguyen <Dinh.Nguyen@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Dinh Nguyen
2010-05-27 10:45:05 -05:00
committed by Sascha Hauer
parent 71c2e514d5
commit f00b771a98
1 changed files with 26 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

26
arch/arm/mach-mx5/board-mx51_babbage.c
View File

@@ -12,6 +12,7 @@
#include <linux/init.h> #include <linux/init.h>
#include <linux/platform_device.h> #include <linux/platform_device.h>
#include <linux/i2c.h>
#include <linux/gpio.h> #include <linux/gpio.h>
#include <linux/delay.h> #include <linux/delay.h>
#include <linux/io.h> #include <linux/io.h>
@@ -21,6 +22,7 @@
#include <mach/hardware.h> #include <mach/hardware.h>
#include <mach/imx-uart.h> #include <mach/imx-uart.h>
#include <mach/iomux-mx51.h> #include <mach/iomux-mx51.h>
#include <mach/i2c.h>
#include <mach/mxc_ehci.h> #include <mach/mxc_ehci.h>
#include <asm/irq.h> #include <asm/irq.h>
@@ -64,6 +66,18 @@ static struct pad_desc mx51babbage_pads[] = {
MX51_PAD_EIM_D27__UART3_RTS, MX51_PAD_EIM_D27__UART3_RTS,
MX51_PAD_EIM_D24__UART3_CTS, MX51_PAD_EIM_D24__UART3_CTS,
/* I2C1 */
MX51_PAD_EIM_D16__I2C1_SDA,
MX51_PAD_EIM_D19__I2C1_SCL,
/* I2C2 */
MX51_PAD_KEY_COL4__I2C2_SCL,
MX51_PAD_KEY_COL5__I2C2_SDA,
/* HSI2C */
MX51_PAD_I2C1_CLK__HSI2C_CLK,
MX51_PAD_I2C1_DAT__HSI2C_DAT,
/* USB HOST1 */ /* USB HOST1 */
MX51_PAD_USBH1_CLK__USBH1_CLK, MX51_PAD_USBH1_CLK__USBH1_CLK,
MX51_PAD_USBH1_DIR__USBH1_DIR, MX51_PAD_USBH1_DIR__USBH1_DIR,
@@ -99,6 +113,14 @@ static inline void mxc_init_imx_uart(void)
} }
#endif /* SERIAL_IMX */ #endif /* SERIAL_IMX */
static struct imxi2c_platform_data babbage_i2c_data = {
.bitrate = 100000,
};
static struct imxi2c_platform_data babbage_hsi2c_data = {
.bitrate = 400000,
};
static int gpio_usbh1_active(void) static int gpio_usbh1_active(void)
{ {
struct pad_desc usbh1stp_gpio = MX51_PAD_USBH1_STP__GPIO_1_27; struct pad_desc usbh1stp_gpio = MX51_PAD_USBH1_STP__GPIO_1_27;
@@ -230,6 +252,10 @@ static void __init mxc_board_init(void)
mxc_init_imx_uart(); mxc_init_imx_uart();
platform_add_devices(devices, ARRAY_SIZE(devices)); platform_add_devices(devices, ARRAY_SIZE(devices));
mxc_register_device(&mxc_i2c_device0, &babbage_i2c_data);
mxc_register_device(&mxc_i2c_device1, &babbage_i2c_data);
mxc_register_device(&mxc_hsi2c_device, &babbage_hsi2c_data);
if (otg_mode_host) if (otg_mode_host)
mxc_register_device(&mxc_usbdr_host_device, &dr_utmi_config); mxc_register_device(&mxc_usbdr_host_device, &dr_utmi_config);
else { else {