Signed-off-by: Vasily Khoruzhick <[email protected]>
---
arch/arm/mach-s3c2440/Kconfig | 3 +
arch/arm/mach-s3c2440/mach-rx1950.c | 160 +++++++++++++++++++++++++++++++++++
2 files changed, 163 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-s3c2440/Kconfig b/arch/arm/mach-s3c2440/Kconfig
index cd8e7de..9b6b026 100644
--- a/arch/arm/mach-s3c2440/Kconfig
+++ b/arch/arm/mach-s3c2440/Kconfig
@@ -198,6 +198,9 @@ config MACH_RX1950
select S3C_DEV_NAND
select S3C2410_IOTIMING if S3C2440_CPUFREQ
select S3C2440_XTAL_16934400
+ select S3C_ADC
+ select PDA_POWER
+ select BATTERY_S3C_ADC
help
Say Y here if you're using HP iPAQ rx1950
diff --git a/arch/arm/mach-s3c2440/mach-rx1950.c
b/arch/arm/mach-s3c2440/mach-rx1950.c
index 142d1f9..1197ab4 100644
--- a/arch/arm/mach-s3c2440/mach-rx1950.c
+++ b/arch/arm/mach-s3c2440/mach-rx1950.c
@@ -25,8 +25,10 @@
#include <linux/input.h>
#include <linux/gpio_keys.h>
#include <linux/sysdev.h>
+#include <linux/pda_power.h>
#include <linux/pwm_backlight.h>
#include <linux/pwm.h>
+#include <linux/s3c_adc_battery.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
@@ -127,6 +129,162 @@ static struct s3c2410fb_display rx1950_display = {
};
+static int power_supply_init(struct device *dev)
+{
+ return gpio_request(S3C2410_GPF(2), "cable plugged");
+}
+
+static int rx1950_is_ac_online(void)
+{
+ return !gpio_get_value(S3C2410_GPF(2));
+}
+
+static void power_supply_exit(struct device *dev)
+{
+ gpio_free(S3C2410_GPF(2));
+}
+
+static char *rx1950_supplicants[] = {
+ "main-battery"
+};
+
+static struct pda_power_pdata power_supply_info = {
+ .init = power_supply_init,
+ .is_ac_online = rx1950_is_ac_online,
+ .exit = power_supply_exit,
+ .supplied_to = rx1950_supplicants,
+ .num_supplicants = ARRAY_SIZE(rx1950_supplicants),
+};
+
+static struct resource power_supply_resources[] = {
+ [0] = {
+ .name = "ac",
+ .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE |
+ IORESOURCE_IRQ_HIGHEDGE,
+ .start = IRQ_EINT2,
+ .end = IRQ_EINT2,
+ },
+};
+
+static struct platform_device power_supply = {
+ .name = "pda-power",
+ .id = -1,
+ .dev = {
+ .platform_data =
+ &power_supply_info,
+ },
+ .resource = power_supply_resources,
+ .num_resources = ARRAY_SIZE(power_supply_resources),
+};
+
+static const struct s3c_adc_bat_thresh bat_lut_noac[] = {
+ {4100, 156, 100},
+ {4050, 156, 95},
+ {4025, 141, 90},
+ {3995, 144, 85},
+ {3957, 162, 80},
+ {3931, 147, 75},
+ {3902, 147, 70},
+ {3863, 153, 65},
+ {3838, 150, 60},
+ {3800, 153, 55},
+ {3765, 153, 50},
+ {3748, 172, 45},
+ {3740, 153, 40},
+ {3714, 175, 35},
+ {3710, 156, 30},
+ {3963, 156, 25},
+ {3672, 178, 20},
+ {3651, 178, 15},
+ {3629, 178, 10},
+ {3612, 162, 5},
+ {3605, 162, 0},
+};
+
+static const struct s3c_adc_bat_thresh bat_lut_acin[] = {
+ {4200, 0, 100},
+ {4190, 0, 99},
+ {4178, 0, 95},
+ {4110, 0, 70},
+ {4076, 0, 65},
+ {4046, 0, 60},
+ {4021, 0, 55},
+ {3999, 0, 50},
+ {3982, 0, 45},
+ {3965, 0, 40},
+ {3957, 0, 35},
+ {3948, 0, 30},
+ {3936, 0, 25},
+ {3927, 0, 20},
+ {3906, 0, 15},
+ {3880, 0, 10},
+ {3829, 0, 5},
+ {3820, 0, 0},
+};
+
+int rx1950_bat_init(void)
+{
+ int ret;
+
+ ret = gpio_request(S3C2410_GPJ(2), "rx1950-charger-enable-1");
+ if (ret)
+ goto err_gpio1;
+ ret = gpio_request(S3C2410_GPJ(3), "rx1950-charger-enable-2");
+ if (ret)
+ goto err_gpio2;
+
+ return 0;
+
+err_gpio2:
+ gpio_free(S3C2410_GPJ(2));
+err_gpio1:
+ return ret;
+}
+
+void rx1950_bat_exit(void)
+{
+ gpio_free(S3C2410_GPJ(2));
+ gpio_free(S3C2410_GPJ(3));
+}
+
+void rx1950_enable_charger(void)
+{
+ gpio_direction_output(S3C2410_GPJ(2), 1);
+ gpio_direction_output(S3C2410_GPJ(3), 1);
+}
+
+void rx1950_disable_charger(void)
+{
+ gpio_direction_output(S3C2410_GPJ(2), 0);
+ gpio_direction_output(S3C2410_GPJ(3), 0);
+}
+
+static struct s3c_adc_bat_pdata rx1950_bat_cfg = {
+ .init = rx1950_bat_init,
+ .exit = rx1950_bat_exit,
+ .enable_charger = rx1950_enable_charger,
+ .disable_charger = rx1950_disable_charger,
+ .gpio_charge_finished = S3C2410_GPF(3),
+ .lut_noac = bat_lut_noac,
+ .lut_noac_cnt = ARRAY_SIZE(bat_lut_noac),
+ .lut_acin = bat_lut_acin,
+ .lut_acin_cnt = ARRAY_SIZE(bat_lut_acin),
+ .volt_channel = 0,
+ .current_channel = 1,
+ .volt_mult = 4235,
+ .current_mult = 2900,
+ .internal_impedance = 200,
+};
+
+static struct platform_device rx1950_battery = {
+ .name = "s3c-adc-battery",
+ .id = -1,
+ .dev = {
+ .parent = &s3c_device_adc.dev,
+ .platform_data = &rx1950_bat_cfg,
+ },
+};
+
static struct s3c2410fb_mach_info rx1950_lcd_cfg = {
.displays = &rx1950_display,
.num_displays = 1,
@@ -503,6 +661,8 @@ static struct platform_device *rx1950_devices[] __initdata
= {
&s3c_device_timer[1],
&rx1950_backlight,
&rx1950_device_gpiokeys,
+ &power_supply,
+ &rx1950_battery,
};
static struct clk *rx1950_clocks[] __initdata = {
--
1.7.2.2
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