Commit 0d7671ee authored by Yong Shen's avatar Yong Shen Committed by Sascha Hauer
Browse files

ARM i.MX53 enable i2c on EVK board 



add i2c platform data and clock

Signed-off-by: default avatarYong Shen <yong.shen@freescale.com>
Signed-off-by: default avatarSascha Hauer <s.hauer@pengutronix.de>
parent 63904767

arch/arm/mach-mx5/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -124,6 +124,7 @@ config MACH_MX53_EVK 
	bool "Support MX53 EVK platforms"

	select SOC_IMX53

	select IMX_HAVE_PLATFORM_IMX_UART

	select IMX_HAVE_PLATFORM_IMX_I2C

	help

	  Include support for MX53 EVK platform. This includes specific

	  configurations for the board and its peripherals.

arch/arm/mach-mx5/board-mx53_evk.c

+7 −0
Original line number Diff line number Diff line
@@ -65,6 +65,10 @@ static inline void mx53_evk_init_uart(void) 
	imx53_add_imx_uart(2, &mx53_evk_uart_pdata);

}



static const struct imxi2c_platform_data mx53_evk_i2c_data __initconst = {

	.bitrate = 100000,

};



static inline void mx53_evk_fec_reset(void)

{

	int ret;
@@ -92,6 +96,9 @@ static void __init mx53_evk_board_init(void) 
	mx53_evk_init_uart();

	mx53_evk_fec_reset();

	imx53_add_fec(&mx53_evk_fec_pdata);



	imx53_add_imx_i2c(0, &mx53_evk_i2c_data);

	imx53_add_imx_i2c(1, &mx53_evk_i2c_data);

}



static void __init mx53_evk_timer_init(void)

arch/arm/mach-mx5/clock-mx51-mx53.c

+2 −0
Original line number Diff line number Diff line
@@ -1326,6 +1326,8 @@ static struct clk_lookup mx53_lookups[] = { 
	_REGISTER_CLOCK(NULL, "gpt", gpt_clk)

	_REGISTER_CLOCK("fec.0", NULL, fec_clk)

	_REGISTER_CLOCK(NULL, "iim_clk", iim_clk)

	_REGISTER_CLOCK("imx-i2c.0", NULL, i2c1_clk)

	_REGISTER_CLOCK("imx-i2c.1", NULL, i2c2_clk)

};



static void clk_tree_init(void)

arch/arm/mach-mx5/devices-imx53.h

+5 −0
Original line number Diff line number Diff line
@@ -15,3 +15,8 @@ extern const struct imx_fec_data imx53_fec_data __initconst; 
extern const struct imx_imx_uart_1irq_data imx53_imx_uart_data[] __initconst;

#define imx53_add_imx_uart(id, pdata)	\

	imx_add_imx_uart_1irq(&imx53_imx_uart_data[id], pdata)





extern const struct imx_imx_i2c_data imx53_imx_i2c_data[] __initconst;

#define imx53_add_imx_i2c(id, pdata)	\

	imx_add_imx_i2c(&imx53_imx_i2c_data[id], pdata)

arch/arm/plat-mxc/devices/platform-imx-i2c.c

+9 −0
Original line number Diff line number Diff line
@@ -78,6 +78,15 @@ const struct imx_imx_i2c_data imx51_imx_i2c_data[] __initconst = { 
};

#endif /* ifdef CONFIG_SOC_IMX51 */



#ifdef CONFIG_SOC_IMX53

const struct imx_imx_i2c_data imx53_imx_i2c_data[] __initconst = {

#define imx53_imx_i2c_data_entry(_id, _hwid)				\

	imx_imx_i2c_data_entry(MX53, _id, _hwid, SZ_4K)

	imx53_imx_i2c_data_entry(0, 1),

	imx53_imx_i2c_data_entry(1, 2),

};

#endif /* ifdef CONFIG_SOC_IMX51 */



struct platform_device *__init imx_add_imx_i2c(

		const struct imx_imx_i2c_data *data,

		const struct imxi2c_platform_data *pdata)

CRA Git | Maintained and supported by SUSTech CRA and CCSE