From mboxrd@z Thu Jan 1 00:00:00 1970 From: s.hauer@pengutronix.de (Sascha Hauer) Date: Thu, 25 Aug 2011 08:43:36 +0200 Subject: [PATCH] ARM: mx53_loco: Add support for the accelerometer In-Reply-To: <1314217895-30699-1-git-send-email-fabio.estevam@freescale.com> References: <1314217895-30699-1-git-send-email-fabio.estevam@freescale.com> Message-ID: <20110825064336.GP31404@pengutronix.de> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 > --- > 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 > #include > #include > +#include > > #include > #include > @@ -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 |