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: Ben Dooks <ben@simtec.co.uk>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
diff --git a/arch/arm/mach-s3c2410/mach-bast.c b/arch/arm/mach-s3c2410/mach-bast.c
index ce3baba2..06670bb 100644
--- a/arch/arm/mach-s3c2410/mach-bast.c
+++ b/arch/arm/mach-s3c2410/mach-bast.c
@@ -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 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 @@
&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 @@
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);