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Commit 885f9ebe authored by Ben Dooks's avatar Ben Dooks Committed by Ben Dooks
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ARM: BAST: Add hwmon device information 



Add platform device information for the ADC channels to be exported
via HWMON. This exports all the ADCs not being used for the touchscreen
interface.

Signed-off-by: default avatarBen Dooks <ben@simtec.co.uk>
Signed-off-by: default avatarBen Dooks <ben-linux@fluff.org>
parent c197cec5

arch/arm/mach-s3c2410/mach-bast.c

+32 −0
Original line number Diff line number Diff line
@@ -45,6 +45,7 @@ 
#include <mach/regs-mem.h>

#include <mach/regs-lcd.h>



#include <plat/hwmon.h>

#include <plat/nand.h>

#include <plat/iic.h>

#include <mach/fb.h>
@@ -547,7 +548,35 @@ static struct i2c_board_info bast_i2c_devs[] __initdata = { 
	},

};



static struct s3c_hwmon_pdata bast_hwmon_info = {

	/* LCD contrast (0-6.6V) */

	.in[0] = &(struct s3c_hwmon_chcfg) {

		.name		= "lcd-contrast",

		.mult		= 3300,

		.div		= 512,

	},

	/* LED current feedback */

	.in[1] = &(struct s3c_hwmon_chcfg) {

		.name		= "led-feedback",

		.mult		= 3300,

		.div		= 1024,

	},

	/* LCD feedback (0-6.6V) */

	.in[2] = &(struct s3c_hwmon_chcfg) {

		.name		= "lcd-feedback",

		.mult		= 3300,

		.div		= 512,

	},

	/* Vcore (1.8-2.0V), Vref 3.3V  */

	.in[3] = &(struct s3c_hwmon_chcfg) {

		.name		= "vcore",

		.mult		= 3300,

		.div		= 1024,

	},

};



/* Standard BAST devices */

// cat /sys/devices/platform/s3c24xx-adc/s3c-hwmon/in_0



static struct platform_device *bast_devices[] __initdata = {

	&s3c_device_usb,
@@ -556,6 +585,8 @@ static struct platform_device *bast_devices[] __initdata = { 
	&s3c_device_i2c0,

 	&s3c_device_rtc,

	&s3c_device_nand,

	&s3c_device_adc,

	&s3c_device_hwmon,

	&bast_device_dm9k,

	&bast_device_asix,

	&bast_device_axpp,
@@ -588,6 +619,7 @@ static void __init bast_map_io(void) 
	s3c24xx_register_clocks(bast_clocks, ARRAY_SIZE(bast_clocks));



	s3c_device_nand.dev.platform_data = &bast_nand_info;

	s3c_device_hwmon.dev.platform_data = &bast_hwmon_info;



	s3c24xx_init_io(bast_iodesc, ARRAY_SIZE(bast_iodesc));

	s3c24xx_init_clocks(0);