From 880fc865d99084c3ec697289d34eb12a0aa54103 Mon Sep 17 00:00:00 2001 From: Vasily Khoruzhick Date: Wed, 16 Jun 2010 23:16:08 +0300 Subject: [PATCH 03/20] rx1950: add battery device Signed-off-by: Vasily Khoruzhick --- arch/arm/mach-s3c2440/mach-rx1950.c | 316 +++++++++++++++++++++++++++++++++++ 1 files changed, 316 insertions(+), 0 deletions(-) diff --git a/arch/arm/mach-s3c2440/mach-rx1950.c b/arch/arm/mach-s3c2440/mach-rx1950.c index 142d1f9..2bfa43a 100644 --- a/arch/arm/mach-s3c2440/mach-rx1950.c +++ b/arch/arm/mach-s3c2440/mach-rx1950.c @@ -25,8 +25,10 @@ #include #include #include +#include #include #include +#include #include #include @@ -127,6 +129,318 @@ 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[] = { + { + .volt = 4100, + .cur = 156, + .level = 100 + }, + { + .volt = 4050, + .cur = 156, + .level = 95 + }, + { + .volt = 4025, + .cur = 141, + .level = 90 + }, + { + .volt = 3995, + .cur = 144, + .level = 85 + }, + { + .volt = 3957, + .cur = 162, + .level = 80 + }, + { + .volt = 3931, + .cur = 147, + .level = 75 + }, + { + .volt = 3902, + .cur = 147, + .level = 70 + }, + { + .volt = 3863, + .cur = 153, + .level = 65 + }, + { + .volt = 3838, + .cur = 150, + .level = 60 + }, + { + .volt = 3800, + .cur = 153, + .level = 55 + }, + { + .volt = 3765, + .cur = 153, + .level = 50 + }, + { + .volt = 3748, + .cur = 172, + .level = 45 + }, + { + .volt = 3740, + .cur = 153, + .level = 40 + }, + { + .volt = 3714, + .cur = 175, + .level = 35 + }, + { + .volt = 3710, + .cur = 156, + .level = 30 + }, + { + .volt = 3963, + .cur = 156, + .level = 25 + }, + { + .volt = 3672, + .cur = 178, + .level = 20 + }, + { + .volt = 3651, + .cur = 178, + .level = 15 + }, + { + .volt = 3629, + .cur = 178, + .level = 10 + }, + { + .volt = 3612, + .cur = 162, + .level = 5 + }, + { + .volt = 3605, + .cur = 162, + .level = 0 + }, +}; + +static const struct s3c_adc_bat_thresh bat_lut_acin[] = { + { + .volt = 4200, + .cur = 0, + .level = 100 + }, + { + .volt = 4190, + .cur = 0, + .level = 99 + }, + { + .volt = 4178, + .cur = 0, + .level = 95 + }, + { + .volt = 4110, + .cur = 0, + .level = 70 + }, + { + .volt = 4076, + .cur = 0, + .level = 65 + }, + { + .volt = 4046, + .cur = 0, + .level = 60 + }, + { + .volt = 4021, + .cur = 0, + .level = 55 + }, + { + .volt = 3999, + .cur = 0, + .level = 50 + }, + { + .volt = 3982, + .cur = 0, + .level = 45 + }, + { + .volt = 3965, + .cur = 0, + .level = 40 + }, + { + .volt = 3957, + .cur = 0, + .level = 35 + }, + { + .volt = 3948, + .cur = 0, + .level = 30 + }, + { + .volt = 3936, + .cur = 0, + .level = 25 + }, + { + .volt = 3927, + .cur = 0, + .level = 20 + }, + { + .volt = 3906, + .cur = 0, + .level = 15 + }, + { + .volt = 3880, + .cur = 0, + .level = 10 + }, + { + .volt = 3829, + .cur = 0, + .level = 5 + }, + { + .volt = 3820, + .cur = 0, + .level = 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 +817,8 @@ 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