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Commit 074c54f4 authored by Dong Aisheng's avatar Dong Aisheng Committed by Sascha Hauer
Browse files

ARM: mxs: add sgtl5000 i2c device 



Signed-off-by: default avatarDong Aisheng <b29396@freescale.com>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Reviewed-by: default avatarWolfram Sang <w.sang@pengutronix.de>
parent c8ebcac8

arch/arm/mach-mxs/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -49,6 +49,7 @@ config MACH_MX28EVK 
	select MXS_HAVE_PLATFORM_MXS_MMC

	select MXS_HAVE_PLATFORM_MXSFB

	select MXS_HAVE_PLATFORM_MXS_SAIF

	select MXS_HAVE_PLATFORM_MXS_I2C

	select MXS_OCOTP

	help

	  Include support for MX28EVK platform. This includes specific

arch/arm/mach-mxs/mach-mx28evk.c

+17 −0
Original line number Diff line number Diff line
@@ -18,6 +18,7 @@ 
#include <linux/leds.h>

#include <linux/irq.h>

#include <linux/clk.h>

#include <linux/i2c.h>



#include <asm/mach-types.h>

#include <asm/mach/arch.h>
@@ -184,6 +185,12 @@ static const iomux_cfg_t mx28evk_pads[] __initconst = { 
	/* led */

	MX28_PAD_AUART1_TX__GPIO_3_5 | MXS_PAD_CTRL,



	/* I2C */

	MX28_PAD_I2C0_SCL__I2C0_SCL |

		(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),

	MX28_PAD_I2C0_SDA__I2C0_SDA |

		(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),



	/* saif0 & saif1 */

	MX28_PAD_SAIF0_MCLK__SAIF0_MCLK |

		(MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
@@ -364,6 +371,12 @@ static struct mxs_mmc_platform_data mx28evk_mmc_pdata[] __initdata = { 
	},

};



static struct i2c_board_info mxs_i2c0_board_info[] __initdata = {

	{

		I2C_BOARD_INFO("sgtl5000", 0x0a),

	},

};



static void __init mx28evk_init(void)

{

	int ret;
@@ -407,6 +420,10 @@ static void __init mx28evk_init(void) 
	mx28_add_saif(0);

	mx28_add_saif(1);



	mx28_add_mxs_i2c(0);

	i2c_register_board_info(0, mxs_i2c0_board_info,

				ARRAY_SIZE(mxs_i2c0_board_info));



	/* power on mmc slot by writing 0 to the gpio */

	ret = gpio_request_one(MX28EVK_MMC0_SLOT_POWER, GPIOF_OUT_INIT_LOW,

			       "mmc0-slot-power");