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path: root/drivers/mfd/tps65912-core.c
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Diffstat (limited to 'drivers/mfd/tps65912-core.c')
-rw-r--r--drivers/mfd/tps65912-core.c111
1 files changed, 111 insertions, 0 deletions
diff --git a/drivers/mfd/tps65912-core.c b/drivers/mfd/tps65912-core.c
new file mode 100644
index 000000000000..a88cfa80dbc4
--- /dev/null
+++ b/drivers/mfd/tps65912-core.c
@@ -0,0 +1,111 @@
+/*
+ * Core functions for TI TPS65912x PMICs
+ *
+ * Copyright (C) 2015 Texas Instruments Incorporated - http://www.ti.com/
+ * Andrew F. Davis <afd@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed "as is" WITHOUT ANY WARRANTY of any
+ * kind, whether expressed or implied; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License version 2 for more details.
+ *
+ * Based on the TPS65218 driver and the previous TPS65912 driver by
+ * Margarita Olaya Cabrera <magi@slimlogic.co.uk>
+ */
+
+#include <linux/interrupt.h>
+#include <linux/mfd/core.h>
+#include <linux/module.h>
+
+#include <linux/mfd/tps65912.h>
+
+static const struct mfd_cell tps65912_cells[] = {
+ { .name = "tps65912-regulator", },
+ { .name = "tps65912-gpio", },
+};
+
+static const struct regmap_irq tps65912_irqs[] = {
+ /* INT_STS IRQs */
+ REGMAP_IRQ_REG(TPS65912_IRQ_PWRHOLD_F, 0, TPS65912_INT_STS_PWRHOLD_F),
+ REGMAP_IRQ_REG(TPS65912_IRQ_VMON, 0, TPS65912_INT_STS_VMON),
+ REGMAP_IRQ_REG(TPS65912_IRQ_PWRON, 0, TPS65912_INT_STS_PWRON),
+ REGMAP_IRQ_REG(TPS65912_IRQ_PWRON_LP, 0, TPS65912_INT_STS_PWRON_LP),
+ REGMAP_IRQ_REG(TPS65912_IRQ_PWRHOLD_R, 0, TPS65912_INT_STS_PWRHOLD_R),
+ REGMAP_IRQ_REG(TPS65912_IRQ_HOTDIE, 0, TPS65912_INT_STS_HOTDIE),
+ REGMAP_IRQ_REG(TPS65912_IRQ_GPIO1_R, 0, TPS65912_INT_STS_GPIO1_R),
+ REGMAP_IRQ_REG(TPS65912_IRQ_GPIO1_F, 0, TPS65912_INT_STS_GPIO1_F),
+ /* INT_STS2 IRQs */
+ REGMAP_IRQ_REG(TPS65912_IRQ_GPIO2_R, 1, TPS65912_INT_STS2_GPIO2_R),
+ REGMAP_IRQ_REG(TPS65912_IRQ_GPIO2_F, 1, TPS65912_INT_STS2_GPIO2_F),
+ REGMAP_IRQ_REG(TPS65912_IRQ_GPIO3_R, 1, TPS65912_INT_STS2_GPIO3_R),
+ REGMAP_IRQ_REG(TPS65912_IRQ_GPIO3_F, 1, TPS65912_INT_STS2_GPIO3_F),
+ REGMAP_IRQ_REG(TPS65912_IRQ_GPIO4_R, 1, TPS65912_INT_STS2_GPIO4_R),
+ REGMAP_IRQ_REG(TPS65912_IRQ_GPIO4_F, 1, TPS65912_INT_STS2_GPIO4_F),
+ REGMAP_IRQ_REG(TPS65912_IRQ_GPIO5_R, 1, TPS65912_INT_STS2_GPIO5_R),
+ REGMAP_IRQ_REG(TPS65912_IRQ_GPIO5_F, 1, TPS65912_INT_STS2_GPIO5_F),
+ /* INT_STS3 IRQs */
+ REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_DCDC1, 2, TPS65912_INT_STS3_PGOOD_DCDC1),
+ REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_DCDC2, 2, TPS65912_INT_STS3_PGOOD_DCDC2),
+ REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_DCDC3, 2, TPS65912_INT_STS3_PGOOD_DCDC3),
+ REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_DCDC4, 2, TPS65912_INT_STS3_PGOOD_DCDC4),
+ REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO1, 2, TPS65912_INT_STS3_PGOOD_LDO1),
+ REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO2, 2, TPS65912_INT_STS3_PGOOD_LDO2),
+ REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO3, 2, TPS65912_INT_STS3_PGOOD_LDO3),
+ REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO4, 2, TPS65912_INT_STS3_PGOOD_LDO4),
+ /* INT_STS4 IRQs */
+ REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO5, 3, TPS65912_INT_STS4_PGOOD_LDO5),
+ REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO6, 3, TPS65912_INT_STS4_PGOOD_LDO6),
+ REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO7, 3, TPS65912_INT_STS4_PGOOD_LDO7),
+ REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO8, 3, TPS65912_INT_STS4_PGOOD_LDO8),
+ REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO9, 3, TPS65912_INT_STS4_PGOOD_LDO9),
+ REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO10, 3, TPS65912_INT_STS4_PGOOD_LDO10),
+};
+
+static struct regmap_irq_chip tps65912_irq_chip = {
+ .name = "tps65912",
+ .irqs = tps65912_irqs,
+ .num_irqs = ARRAY_SIZE(tps65912_irqs),
+ .num_regs = 4,
+ .irq_reg_stride = 2,
+ .mask_base = TPS65912_INT_MSK,
+ .status_base = TPS65912_INT_STS,
+ .ack_base = TPS65912_INT_STS,
+ .init_ack_masked = true,
+};
+
+int tps65912_device_init(struct tps65912 *tps)
+{
+ int ret;
+
+ ret = regmap_add_irq_chip(tps->regmap, tps->irq, IRQF_ONESHOT, 0,
+ &tps65912_irq_chip, &tps->irq_data);
+ if (ret)
+ return ret;
+
+ ret = mfd_add_devices(tps->dev, PLATFORM_DEVID_AUTO, tps65912_cells,
+ ARRAY_SIZE(tps65912_cells), NULL, 0,
+ regmap_irq_get_domain(tps->irq_data));
+ if (ret) {
+ regmap_del_irq_chip(tps->irq, tps->irq_data);
+ return ret;
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(tps65912_device_init);
+
+int tps65912_device_exit(struct tps65912 *tps)
+{
+ regmap_del_irq_chip(tps->irq, tps->irq_data);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(tps65912_device_exit);
+
+MODULE_AUTHOR("Andrew F. Davis <afd@ti.com>");
+MODULE_DESCRIPTION("TPS65912x MFD Driver");
+MODULE_LICENSE("GPL v2");