This patch will register bq24150a charger in RX-51 board data.
Patch also adding platform function between isp1704 and bq2415x
drivers for detecting charger type.
So finally charging battery on Nokia N900 (RX-51) working
automatically without any proprietary Nokia bits in userspace.
Signed-off-by: Pali Rohár <pali.ro...@gmail.com>
---
arch/arm/mach-omap2/board-rx51-peripherals.c | 56 +++++++++++++++++++++++++-
1 file changed, 55 insertions(+), 1 deletion(-)
diff --git a/arch/arm/mach-omap2/board-rx51-peripherals.c
b/arch/arm/mach-omap2/board-rx51-peripherals.c
index 9c2dd10..a993ffe 100644
--- a/arch/arm/mach-omap2/board-rx51-peripherals.c
+++ b/arch/arm/mach-omap2/board-rx51-peripherals.c
@@ -25,6 +25,7 @@
#include <linux/gpio_keys.h>
#include <linux/mmc/host.h>
#include <linux/power/isp1704_charger.h>
+#include <linux/power/bq2415x_charger.h>
#include <linux/platform_data/spi-omap2-mcspi.h>
#include <linux/platform_data/mtd-onenand-omap2.h>
@@ -270,6 +271,44 @@ static struct platform_device rx51_battery_device = {
.id = -1,
};
+static enum bq2415x_mode rx51_charger_mode = BQ2415X_MODE_OFF;
+static void *rx51_charger_hook_data;
+static void (*rx51_charger_hook)(enum bq2415x_mode mode, void *data);
+
+static int rx51_charger_set_hook(
+ void (*hook)(enum bq2415x_mode mode, void *data), void *data)
+{
+ rx51_charger_hook = hook;
+ rx51_charger_hook_data = data;
+ if (rx51_charger_hook)
+ rx51_charger_hook(rx51_charger_mode, rx51_charger_hook_data);
+ return 1;
+}
+
+static void rx51_charger_set_current(int mA)
+{
+ enum bq2415x_mode mode;
+
+ pr_info("RX-51: Charger current limit is %d mA\n", mA);
+
+ if (mA == 0)
+ mode = BQ2415X_MODE_OFF;
+ else if (mA < 500)
+ mode = BQ2415X_MODE_NONE;
+ else if (mA < 1800)
+ mode = BQ2415X_MODE_HOST_CHARGER;
+ else
+ mode = BQ2415X_MODE_DEDICATED_CHARGER;
+
+ if (rx51_charger_mode == mode)
+ return;
+
+ rx51_charger_mode = mode;
+
+ if (rx51_charger_hook)
+ rx51_charger_hook(rx51_charger_mode, rx51_charger_hook_data);
+}
+
static void rx51_charger_set_power(bool on)
{
gpio_set_value(RX51_USB_TRANSCEIVER_RST_GPIO, on);
@@ -277,6 +316,7 @@ static void rx51_charger_set_power(bool on)
static struct isp1704_charger_data rx51_charger_data = {
.set_power = rx51_charger_set_power,
+ .set_current = rx51_charger_set_current,
};
static struct platform_device rx51_charger_device = {
@@ -1017,6 +1057,16 @@ static struct aic3x_pdata rx51_aic3x_data2 = {
.gpio_reset = 60,
};
+static struct bq2415x_platform_data rx51_bq24150a_platform_data = {
+ .current_limit = 100, /* mA */
+ .weak_battery_voltage = 3400, /* mV */
+ .battery_regulation_voltage = 4200, /* mV */
+ .charge_current = 650, /* mA */
+ .termination_current = 100, /* mA */
+ .resistor_sense = 68, /* m ohm */
+ .set_mode_hook = &rx51_charger_set_hook,
+};
+
static struct i2c_board_info __initdata rx51_peripherals_i2c_board_info_2[] = {
{
I2C_BOARD_INFO("tlv320aic3x", 0x18),
@@ -1044,7 +1094,11 @@ static struct i2c_board_info __initdata
rx51_peripherals_i2c_board_info_2[] = {
{
I2C_BOARD_INFO("tpa6130a2", 0x60),
.platform_data = &rx51_tpa6130a2_data,
- }
+ },
+ {
+ I2C_BOARD_INFO("bq24150a", 0x6b),
+ .platform_data = &rx51_bq24150a_platform_data,
+ },
};
static struct i2c_board_info __initdata rx51_peripherals_i2c_board_info_3[] = {
--
1.7.10.4
--
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