1 files changed, 102 insertions, 0 deletions
diff --git a/include/linux/mfd/cs42l43.h b/include/linux/mfd/cs42l43.h
new file mode 100644
index 000000000..cf8263aab
--- /dev/null
+++ b/include/linux/mfd/cs42l43.h
@@ -0,0 +1,102 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * CS42L43 core driver external data
+ *
+ * Copyright (C) 2022-2023 Cirrus Logic, Inc. and
+ *                         Cirrus Logic International Semiconductor Ltd.
+ */
+
+#include <linux/completion.h>
+#include <linux/device.h>
+#include <linux/gpio/consumer.h>
+#include <linux/mutex.h>
+#include <linux/regmap.h>
+#include <linux/regulator/consumer.h>
+#include <linux/soundwire/sdw.h>
+#include <linux/workqueue.h>
+
+#ifndef CS42L43_CORE_EXT_H
+#define CS42L43_CORE_EXT_H
+
+#define CS42L43_N_SUPPLIES		3
+
+enum cs42l43_irq_numbers {
+	CS42L43_PLL_LOST_LOCK,
+	CS42L43_PLL_READY,
+
+	CS42L43_HP_STARTUP_DONE,
+	CS42L43_HP_SHUTDOWN_DONE,
+	CS42L43_HSDET_DONE,
+	CS42L43_TIPSENSE_UNPLUG_DB,
+	CS42L43_TIPSENSE_PLUG_DB,
+	CS42L43_RINGSENSE_UNPLUG_DB,
+	CS42L43_RINGSENSE_PLUG_DB,
+	CS42L43_TIPSENSE_UNPLUG_PDET,
+	CS42L43_TIPSENSE_PLUG_PDET,
+	CS42L43_RINGSENSE_UNPLUG_PDET,
+	CS42L43_RINGSENSE_PLUG_PDET,
+
+	CS42L43_HS2_BIAS_SENSE,
+	CS42L43_HS1_BIAS_SENSE,
+	CS42L43_DC_DETECT1_FALSE,
+	CS42L43_DC_DETECT1_TRUE,
+	CS42L43_HSBIAS_CLAMPED,
+	CS42L43_HS3_4_BIAS_SENSE,
+
+	CS42L43_AMP2_CLK_STOP_FAULT,
+	CS42L43_AMP1_CLK_STOP_FAULT,
+	CS42L43_AMP2_VDDSPK_FAULT,
+	CS42L43_AMP1_VDDSPK_FAULT,
+	CS42L43_AMP2_SHUTDOWN_DONE,
+	CS42L43_AMP1_SHUTDOWN_DONE,
+	CS42L43_AMP2_STARTUP_DONE,
+	CS42L43_AMP1_STARTUP_DONE,
+	CS42L43_AMP2_THERM_SHDN,
+	CS42L43_AMP1_THERM_SHDN,
+	CS42L43_AMP2_THERM_WARN,
+	CS42L43_AMP1_THERM_WARN,
+	CS42L43_AMP2_SCDET,
+	CS42L43_AMP1_SCDET,
+
+	CS42L43_GPIO3_FALL,
+	CS42L43_GPIO3_RISE,
+	CS42L43_GPIO2_FALL,
+	CS42L43_GPIO2_RISE,
+	CS42L43_GPIO1_FALL,
+	CS42L43_GPIO1_RISE,
+
+	CS42L43_HP_ILIMIT,
+	CS42L43_HP_LOADDET_DONE,
+};
+
+struct cs42l43 {
+	struct device *dev;
+	struct regmap *regmap;
+	struct sdw_slave *sdw;
+
+	struct regulator *vdd_p;
+	struct regulator *vdd_d;
+	struct regulator_bulk_data core_supplies[CS42L43_N_SUPPLIES];
+
+	struct gpio_desc *reset;
+
+	int irq;
+	struct regmap_irq_chip irq_chip;
+	struct regmap_irq_chip_data *irq_data;
+
+	struct work_struct boot_work;
+	struct completion device_attach;
+	struct completion device_detach;
+	struct completion firmware_download;
+	int firmware_error;
+
+	unsigned int sdw_freq;
+	/* Lock to gate control of the PLL and its sources. */
+	struct mutex pll_lock;
+
+	bool sdw_pll_active;
+	bool attached;
+	bool hw_lock;
+};
+
+#endif /* CS42L43_CORE_EXT_H */