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i2c: cht-wc: Add charger-chip info for the Lenovo Yoga Tab 3 YT3-X90F

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On x86 devices with a CHT Whiskey Cove PMIC the driver for
the I2C bus coming from the PMIC is responsible for instantiating
the i2c_client for the charger chip.

Add the necessary i2c_board_info for this.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Wolfram Sang <wsa@kernel.org>
Signed-off-by: Lee Jones <lee@kernel.org>
Link: https://lore.kernel.org/r/20230126153823.22146-3-hdegoede@redhat.com
This commit is contained in:
Hans de Goede 2023-01-26 16:38:22 +01:00 committed by Lee Jones
parent 8d9ef69487
commit 0e61637f0f
1 changed files with 46 additions and 0 deletions
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46
drivers/i2c/busses/i2c-cht-wc.c
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@ -380,6 +380,49 @@ static struct i2c_board_info lenovo_yogabook1_board_info = {
.platform_data = &bq2589x_pdata,
};
/********** Lenovo Yogabook YT3-X90F charger settings **********/
static const char * const lenovo_yt3_bq25892_1_suppliers[] = { "cht_wcove_pwrsrc" };
/*
* bq25892 charger settings for the round li-ion cells in the hinge,
* this is the main / biggest battery.
*/
static const struct property_entry lenovo_yt3_bq25892_1_props[] = {
PROPERTY_ENTRY_STRING_ARRAY("supplied-from", lenovo_yt3_bq25892_1_suppliers),
PROPERTY_ENTRY_STRING("linux,secondary-charger-name", "bq25890-charger-0"),
PROPERTY_ENTRY_U32("linux,iinlim-percentage", 60),
PROPERTY_ENTRY_U32("linux,pump-express-vbus-max", 12000000),
PROPERTY_ENTRY_BOOL("linux,skip-reset"),
/*
* The firmware sets everything to the defaults, leading to a low(ish)
* charge-current and battery-voltage of 2048mA resp 4.2V. Use the
* Android values instead of "linux,read-back-settings" to fix this.
*/
PROPERTY_ENTRY_U32("ti,charge-current", 3072000),
PROPERTY_ENTRY_U32("ti,battery-regulation-voltage", 4352000),
PROPERTY_ENTRY_U32("ti,termination-current", 128000),
PROPERTY_ENTRY_U32("ti,precharge-current", 128000),
PROPERTY_ENTRY_U32("ti,minimum-sys-voltage", 3700000),
PROPERTY_ENTRY_BOOL("ti,use-ilim-pin"),
/* Set 5V boost current-limit to 1.2A (MAX/POR values are 2.45A/1.4A) */
PROPERTY_ENTRY_U32("ti,boost-voltage", 4998000),
PROPERTY_ENTRY_U32("ti,boost-max-current", 1200000),
{ }
};
static const struct software_node lenovo_yt3_bq25892_1_node = {
.properties = lenovo_yt3_bq25892_1_props,
};
/* bq25892 charger for the round li-ion cells in the hinge */
static struct i2c_board_info lenovo_yoga_tab3_board_info = {
.type = "bq25892",
.addr = 0x6b,
.dev_name = "bq25892_1",
.swnode = &lenovo_yt3_bq25892_1_node,
.platform_data = &bq2589x_pdata,
};
static int cht_wc_i2c_adap_i2c_probe(struct platform_device *pdev)
{
struct intel_soc_pmic *pmic = dev_get_drvdata(pdev->dev.parent);
@ -459,6 +502,9 @@ static int cht_wc_i2c_adap_i2c_probe(struct platform_device *pdev)
case INTEL_CHT_WC_LENOVO_YOGABOOK1:
board_info = &lenovo_yogabook1_board_info;
break;
case INTEL_CHT_WC_LENOVO_YT3_X90:
board_info = &lenovo_yoga_tab3_board_info;
break;
default:
dev_warn(&pdev->dev, "Unknown model, not instantiating charger device\n");
break;