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authorHans de Goede <hdegoede@redhat.com>2023-02-19 20:20:45 +0100
committerHans de Goede <hdegoede@redhat.com>2023-03-07 12:08:31 +0100
commit4ed14c23e1e82fbfb06cb37b9197ca56bbdf39f3 (patch)
treef131a89fd10578a9e1a8689858f343095aff073a /drivers/platform/x86/x86-android-tablets/shared-psy-info.c
parent3a75d1690b9adb116ca4d11578ff2fa358823382 (diff)
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platform/x86: x86-android-tablets: Move shared power-supply fw-nodes to a separate file
Move the shared power-supply fw-nodes and related files to a new separate shared-psy-info.c file. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Link: https://lore.kernel.org/r/20230301092331.7038-6-hdegoede@redhat.com
Diffstat (limited to 'drivers/platform/x86/x86-android-tablets/shared-psy-info.c')
-rw-r--r--drivers/platform/x86/x86-android-tablets/shared-psy-info.c100
1 files changed, 100 insertions, 0 deletions
diff --git a/drivers/platform/x86/x86-android-tablets/shared-psy-info.c b/drivers/platform/x86/x86-android-tablets/shared-psy-info.c
new file mode 100644
index 000000000000..d2d0aa51bc3f
--- /dev/null
+++ b/drivers/platform/x86/x86-android-tablets/shared-psy-info.c
@@ -0,0 +1,100 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Shared psy info for X86 tablets which ship with Android as the factory image
+ * and which have broken DSDT tables. The factory kernels shipped on these
+ * devices typically have a bunch of things hardcoded, rather than specified
+ * in their DSDT.
+ *
+ * Copyright (C) 2021-2023 Hans de Goede <hdegoede@redhat.com>
+ */
+
+#include <linux/gpio/machine.h>
+#include <linux/platform_device.h>
+#include <linux/power/bq24190_charger.h>
+#include <linux/property.h>
+#include <linux/regulator/machine.h>
+
+#include "shared-psy-info.h"
+
+/* Generic / shared charger / battery settings */
+const char * const tusb1211_chg_det_psy[] = { "tusb1211-charger-detect" };
+const char * const bq24190_psy[] = { "bq24190-charger" };
+const char * const bq25890_psy[] = { "bq25890-charger-0" };
+
+static const struct property_entry fg_bq24190_supply_props[] = {
+ PROPERTY_ENTRY_STRING_ARRAY("supplied-from", bq24190_psy),
+ { }
+};
+
+const struct software_node fg_bq24190_supply_node = {
+ .properties = fg_bq24190_supply_props,
+};
+
+static const struct property_entry fg_bq25890_supply_props[] = {
+ PROPERTY_ENTRY_STRING_ARRAY("supplied-from", bq25890_psy),
+ { }
+};
+
+const struct software_node fg_bq25890_supply_node = {
+ .properties = fg_bq25890_supply_props,
+};
+
+/* LiPo HighVoltage (max 4.35V) settings used by most devs with a HV bat. */
+static const struct property_entry generic_lipo_hv_4v35_battery_props[] = {
+ PROPERTY_ENTRY_STRING("compatible", "simple-battery"),
+ PROPERTY_ENTRY_STRING("device-chemistry", "lithium-ion"),
+ PROPERTY_ENTRY_U32("precharge-current-microamp", 256000),
+ PROPERTY_ENTRY_U32("charge-term-current-microamp", 128000),
+ PROPERTY_ENTRY_U32("constant-charge-current-max-microamp", 1856000),
+ PROPERTY_ENTRY_U32("constant-charge-voltage-max-microvolt", 4352000),
+ PROPERTY_ENTRY_U32("factory-internal-resistance-micro-ohms", 150000),
+ { }
+};
+
+const struct software_node generic_lipo_hv_4v35_battery_node = {
+ .properties = generic_lipo_hv_4v35_battery_props,
+};
+
+/* For enabling the bq24190 5V boost based on id-pin */
+static struct regulator_consumer_supply intel_int3496_consumer = {
+ .supply = "vbus",
+ .dev_name = "intel-int3496",
+};
+
+static const struct regulator_init_data bq24190_vbus_init_data = {
+ .constraints = {
+ .name = "bq24190_vbus",
+ .valid_ops_mask = REGULATOR_CHANGE_STATUS,
+ },
+ .consumer_supplies = &intel_int3496_consumer,
+ .num_consumer_supplies = 1,
+};
+
+struct bq24190_platform_data bq24190_pdata = {
+ .regulator_init_data = &bq24190_vbus_init_data,
+};
+
+const char * const bq24190_modules[] __initconst = {
+ "intel_crystal_cove_charger", /* For the bq24190 IRQ */
+ "bq24190_charger", /* For the Vbus regulator for intel-int3496 */
+ NULL
+};
+
+/* Generic pdevs array and gpio-lookups for micro USB ID pin handling */
+const struct platform_device_info int3496_pdevs[] __initconst = {
+ {
+ /* For micro USB ID pin handling */
+ .name = "intel-int3496",
+ .id = PLATFORM_DEVID_NONE,
+ },
+};
+
+struct gpiod_lookup_table int3496_reference_gpios = {
+ .dev_id = "intel-int3496",
+ .table = {
+ GPIO_LOOKUP("INT33FC:01", 15, "vbus", GPIO_ACTIVE_HIGH),
+ GPIO_LOOKUP("INT33FC:02", 1, "mux", GPIO_ACTIVE_HIGH),
+ GPIO_LOOKUP("INT33FC:02", 18, "id", GPIO_ACTIVE_HIGH),
+ { }
+ },
+};