* [PATCH] ARM: mx53_loco: Add support for the accelerometer
@ 2011-08-24 20:31 Fabio Estevam
2011-08-25 6:43 ` Sascha Hauer
0 siblings, 1 reply; 2+ messages in thread
From: Fabio Estevam @ 2011-08-24 20:31 UTC (permalink / raw)
To: linux-arm-kernel
mx53_loco has a MMA8450 accelerometer connected to i2c0.
Add support for it.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
---
arch/arm/mach-mx5/board-mx53_loco.c | 20 ++++++++++++++++++++
1 files changed, 20 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-mx5/board-mx53_loco.c b/arch/arm/mach-mx5/board-mx53_loco.c
index 4e1d51d..145f48e 100644
--- a/arch/arm/mach-mx5/board-mx53_loco.c
+++ b/arch/arm/mach-mx5/board-mx53_loco.c
@@ -22,6 +22,7 @@
#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/gpio.h>
+#include <linux/i2c.h>
#include <mach/common.h>
#include <mach/hardware.h>
@@ -42,6 +43,7 @@
#define LOCO_SD3_CD IMX_GPIO_NR(3, 11)
#define LOCO_SD3_WP IMX_GPIO_NR(3, 12)
#define LOCO_SD1_CD IMX_GPIO_NR(3, 13)
+#define LOCO_ACCEL_EN IMX_GPIO_NR(6, 14)
static iomux_v3_cfg_t mx53_loco_pads[] = {
/* FEC */
@@ -64,6 +66,10 @@ static iomux_v3_cfg_t mx53_loco_pads[] = {
MX53_PAD_KEY_ROW0__AUDMUX_AUD5_TXD,
MX53_PAD_KEY_COL1__AUDMUX_AUD5_TXFS,
MX53_PAD_KEY_ROW1__AUDMUX_AUD5_RXD,
+ /* I2C1 */
+ MX53_PAD_CSI0_DAT8__I2C1_SDA,
+ MX53_PAD_CSI0_DAT9__I2C1_SCL,
+ MX53_PAD_NANDF_CS1__GPIO6_14, /* Accelerometer Enable */
/* I2C2 */
MX53_PAD_KEY_COL3__I2C2_SCL,
MX53_PAD_KEY_ROW3__I2C2_SDA,
@@ -257,8 +263,15 @@ static const struct gpio_led_platform_data mx53loco_leds_data __initconst = {
.num_leds = ARRAY_SIZE(mx53loco_leds),
};
+static struct i2c_board_info mx53loco_i2c_devices[] = {
+ {
+ I2C_BOARD_INFO("mma8450", 0x1C),
+ },
+};
+
static void __init mx53_loco_board_init(void)
{
+ int ret;
imx53_soc_init();
mxc_iomux_v3_setup_multiple_pads(mx53_loco_pads,
@@ -267,6 +280,13 @@ static void __init mx53_loco_board_init(void)
mx53_loco_fec_reset();
imx53_add_fec(&mx53_loco_fec_data);
imx53_add_imx2_wdt(0, NULL);
+
+ ret = gpio_request_one(LOCO_ACCEL_EN, GPIOF_OUT_INIT_HIGH, "accel_en");
+ if (ret)
+ pr_err("Cannot request ACCEL_EN pin: %d\n", ret);
+
+ i2c_register_board_info(0, mx53loco_i2c_devices,
+ ARRAY_SIZE(mx53loco_i2c_devices));
imx53_add_imx_i2c(0, &mx53_loco_i2c_data);
imx53_add_imx_i2c(1, &mx53_loco_i2c_data);
imx53_add_sdhci_esdhc_imx(0, &mx53_loco_sd1_data);
--
1.6.0.4
^ permalink raw reply related [flat|nested] 2+ messages in thread* [PATCH] ARM: mx53_loco: Add support for the accelerometer
2011-08-24 20:31 [PATCH] ARM: mx53_loco: Add support for the accelerometer Fabio Estevam
@ 2011-08-25 6:43 ` Sascha Hauer
0 siblings, 0 replies; 2+ messages in thread
From: Sascha Hauer @ 2011-08-25 6:43 UTC (permalink / raw)
To: linux-arm-kernel
On Wed, Aug 24, 2011 at 05:31:35PM -0300, Fabio Estevam wrote:
> mx53_loco has a MMA8450 accelerometer connected to i2c0.
>
> Add support for it.
Applied for next.
Sascha
>
> Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
> ---
> arch/arm/mach-mx5/board-mx53_loco.c | 20 ++++++++++++++++++++
> 1 files changed, 20 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/mach-mx5/board-mx53_loco.c b/arch/arm/mach-mx5/board-mx53_loco.c
> index 4e1d51d..145f48e 100644
> --- a/arch/arm/mach-mx5/board-mx53_loco.c
> +++ b/arch/arm/mach-mx5/board-mx53_loco.c
> @@ -22,6 +22,7 @@
> #include <linux/clk.h>
> #include <linux/delay.h>
> #include <linux/gpio.h>
> +#include <linux/i2c.h>
>
> #include <mach/common.h>
> #include <mach/hardware.h>
> @@ -42,6 +43,7 @@
> #define LOCO_SD3_CD IMX_GPIO_NR(3, 11)
> #define LOCO_SD3_WP IMX_GPIO_NR(3, 12)
> #define LOCO_SD1_CD IMX_GPIO_NR(3, 13)
> +#define LOCO_ACCEL_EN IMX_GPIO_NR(6, 14)
>
> static iomux_v3_cfg_t mx53_loco_pads[] = {
> /* FEC */
> @@ -64,6 +66,10 @@ static iomux_v3_cfg_t mx53_loco_pads[] = {
> MX53_PAD_KEY_ROW0__AUDMUX_AUD5_TXD,
> MX53_PAD_KEY_COL1__AUDMUX_AUD5_TXFS,
> MX53_PAD_KEY_ROW1__AUDMUX_AUD5_RXD,
> + /* I2C1 */
> + MX53_PAD_CSI0_DAT8__I2C1_SDA,
> + MX53_PAD_CSI0_DAT9__I2C1_SCL,
> + MX53_PAD_NANDF_CS1__GPIO6_14, /* Accelerometer Enable */
> /* I2C2 */
> MX53_PAD_KEY_COL3__I2C2_SCL,
> MX53_PAD_KEY_ROW3__I2C2_SDA,
> @@ -257,8 +263,15 @@ static const struct gpio_led_platform_data mx53loco_leds_data __initconst = {
> .num_leds = ARRAY_SIZE(mx53loco_leds),
> };
>
> +static struct i2c_board_info mx53loco_i2c_devices[] = {
> + {
> + I2C_BOARD_INFO("mma8450", 0x1C),
> + },
> +};
> +
> static void __init mx53_loco_board_init(void)
> {
> + int ret;
> imx53_soc_init();
>
> mxc_iomux_v3_setup_multiple_pads(mx53_loco_pads,
> @@ -267,6 +280,13 @@ static void __init mx53_loco_board_init(void)
> mx53_loco_fec_reset();
> imx53_add_fec(&mx53_loco_fec_data);
> imx53_add_imx2_wdt(0, NULL);
> +
> + ret = gpio_request_one(LOCO_ACCEL_EN, GPIOF_OUT_INIT_HIGH, "accel_en");
> + if (ret)
> + pr_err("Cannot request ACCEL_EN pin: %d\n", ret);
> +
> + i2c_register_board_info(0, mx53loco_i2c_devices,
> + ARRAY_SIZE(mx53loco_i2c_devices));
> imx53_add_imx_i2c(0, &mx53_loco_i2c_data);
> imx53_add_imx_i2c(1, &mx53_loco_i2c_data);
> imx53_add_sdhci_esdhc_imx(0, &mx53_loco_sd1_data);
> --
> 1.6.0.4
>
>
>
--
Pengutronix e.K. | |
Industrial Linux Solutions | http://www.pengutronix.de/ |
Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 |
Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2011-08-25 6:43 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2011-08-24 20:31 [PATCH] ARM: mx53_loco: Add support for the accelerometer Fabio Estevam
2011-08-25 6:43 ` Sascha Hauer
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).