1 files changed, 47 insertions, 0 deletions

diff --git a/include/linux/leds-ti-lmu-common.h b/include/linux/leds-ti-lmu-common.h
new file mode 100644
index 000000000000..5eb111f38803
--- /dev/null
+++ b/include/linux/leds-ti-lmu-common.h
@@ -0,0 +1,47 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+// TI LMU Common Core
+// Copyright (C) 2018 Texas Instruments Incorporated - http://www.ti.com/
+
+#ifndef _TI_LMU_COMMON_H_
+#define _TI_LMU_COMMON_H_
+
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/init.h>
+#include <linux/leds.h>
+#include <linux/module.h>
+#include <linux/regmap.h>
+#include <linux/slab.h>
+#include <uapi/linux/uleds.h>
+
+#define LMU_11BIT_LSB_MASK      (BIT(0) | BIT(1) | BIT(2))
+#define LMU_11BIT_MSB_SHIFT     3
+
+#define MAX_BRIGHTNESS_8BIT     255
+#define MAX_BRIGHTNESS_11BIT    2047
+
+struct ti_lmu_bank {
+        struct regmap *regmap;
+
+        int max_brightness;
+
+        u8 lsb_brightness_reg;
+        u8 msb_brightness_reg;
+
+        u8 runtime_ramp_reg;
+        u32 ramp_up_usec;
+        u32 ramp_down_usec;
+};
+
+int ti_lmu_common_set_brightness(struct ti_lmu_bank *lmu_bank, int brightness);
+
+int ti_lmu_common_set_ramp(struct ti_lmu_bank *lmu_bank);
+
+int ti_lmu_common_get_ramp_params(struct device *dev,
+                                  struct fwnode_handle *child,
+                                  struct ti_lmu_bank *lmu_data);
+
+int ti_lmu_common_get_brt_res(struct device *dev, struct fwnode_handle *child,
+                              struct ti_lmu_bank *lmu_data);
+
+#endif /* _TI_LMU_COMMON_H_ */