add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/mfd/axp20x.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * MFD core driver for the X-Powers' Power Management ICs
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  *
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@@ -10,26 +11,23 @@
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  * Copyright (C) 2014 Carlo Caione
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  *
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  * Author: Carlo Caione <carlo@caione.org>
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 as
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- * published by the Free Software Foundation.
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  */
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-#include <linux/err.h>
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+#include <linux/acpi.h>
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+#include <linux/bitops.h>
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 #include <linux/delay.h>
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+#include <linux/err.h>
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 #include <linux/interrupt.h>
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 #include <linux/kernel.h>
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+#include <linux/mfd/axp20x.h>
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+#include <linux/mfd/core.h>
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 #include <linux/module.h>
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+#include <linux/of_device.h>
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 #include <linux/pm_runtime.h>
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 #include <linux/regmap.h>
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 #include <linux/regulator/consumer.h>
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-#include <linux/mfd/axp20x.h>
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-#include <linux/mfd/core.h>
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-#include <linux/of_device.h>
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-#include <linux/acpi.h>
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-#define AXP20X_OFF	0x80
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+#define AXP20X_OFF	BIT(7)
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 #define AXP806_REG_ADDR_EXT_ADDR_MASTER_MODE	0
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 #define AXP806_REG_ADDR_EXT_ADDR_SLAVE_MODE	BIT(4)
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@@ -196,6 +194,12 @@
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 static const struct resource axp22x_usb_power_supply_resources[] = {
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 	DEFINE_RES_IRQ_NAMED(AXP22X_IRQ_VBUS_PLUGIN, "VBUS_PLUGIN"),
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 	DEFINE_RES_IRQ_NAMED(AXP22X_IRQ_VBUS_REMOVAL, "VBUS_REMOVAL"),
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+};
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+
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+/* AXP803 and AXP813/AXP818 share the same interrupts */
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+static const struct resource axp803_usb_power_supply_resources[] = {
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+	DEFINE_RES_IRQ_NAMED(AXP803_IRQ_VBUS_PLUGIN, "VBUS_PLUGIN"),
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+	DEFINE_RES_IRQ_NAMED(AXP803_IRQ_VBUS_REMOVAL, "VBUS_REMOVAL"),
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 };
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 static const struct resource axp22x_pek_resources[] = {
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@@ -741,6 +745,11 @@
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 		.of_compatible	= "x-powers,axp813-ac-power-supply",
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 		.num_resources	= ARRAY_SIZE(axp20x_ac_power_supply_resources),
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 		.resources	= axp20x_ac_power_supply_resources,
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+	}, {
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+		.name		= "axp20x-usb-power-supply",
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+		.num_resources	= ARRAY_SIZE(axp803_usb_power_supply_resources),
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+		.resources	= axp803_usb_power_supply_resources,
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+		.of_compatible	= "x-powers,axp813-usb-power-supply",
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 	},
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 	{	.name		= "axp20x-regulator" },
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 };
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@@ -793,6 +802,11 @@
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 		.of_compatible	= "x-powers,axp813-ac-power-supply",
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 		.num_resources	= ARRAY_SIZE(axp20x_ac_power_supply_resources),
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 		.resources	= axp20x_ac_power_supply_resources,
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+	}, {
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+		.name		= "axp20x-usb-power-supply",
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+		.num_resources	= ARRAY_SIZE(axp803_usb_power_supply_resources),
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+		.resources	= axp803_usb_power_supply_resources,
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+		.of_compatible	= "x-powers,axp813-usb-power-supply",
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 	},
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 };
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