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-rw-r--r--include/linux/platform_data/leds-lp55xx.h87
1 files changed, 87 insertions, 0 deletions
diff --git a/include/linux/platform_data/leds-lp55xx.h b/include/linux/platform_data/leds-lp55xx.h
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+++ b/include/linux/platform_data/leds-lp55xx.h
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+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * LP55XX Platform Data Header
+ *
+ * Copyright (C) 2012 Texas Instruments
+ *
+ * Author: Milo(Woogyom) Kim <milo.kim@ti.com>
+ *
+ * Derived from leds-lp5521.h, leds-lp5523.h
+ */
+
+#ifndef _LEDS_LP55XX_H
+#define _LEDS_LP55XX_H
+
+#include <linux/gpio/consumer.h>
+#include <linux/led-class-multicolor.h>
+
+/* Clock configuration */
+#define LP55XX_CLOCK_AUTO 0
+#define LP55XX_CLOCK_INT 1
+#define LP55XX_CLOCK_EXT 2
+
+#define LP55XX_MAX_GROUPED_CHAN 4
+
+struct lp55xx_led_config {
+ const char *name;
+ const char *default_trigger;
+ u8 chan_nr;
+ u8 led_current; /* mA x10, 0 if led is not connected */
+ u8 max_current;
+ int num_colors;
+ unsigned int max_channel;
+ int color_id[LED_COLOR_ID_MAX];
+ int output_num[LED_COLOR_ID_MAX];
+};
+
+struct lp55xx_predef_pattern {
+ const u8 *r;
+ const u8 *g;
+ const u8 *b;
+ u8 size_r;
+ u8 size_g;
+ u8 size_b;
+};
+
+enum lp8501_pwr_sel {
+ LP8501_ALL_VDD, /* D1~9 are connected to VDD */
+ LP8501_6VDD_3VOUT, /* D1~6 with VDD, D7~9 with VOUT */
+ LP8501_3VDD_6VOUT, /* D1~6 with VOUT, D7~9 with VDD */
+ LP8501_ALL_VOUT, /* D1~9 are connected to VOUT */
+};
+
+/*
+ * struct lp55xx_platform_data
+ * @led_config : Configurable led class device
+ * @num_channels : Number of LED channels
+ * @label : Used for naming LEDs
+ * @clock_mode : Input clock mode. LP55XX_CLOCK_AUTO or _INT or _EXT
+ * @setup_resources : Platform specific function before enabling the chip
+ * @release_resources : Platform specific function after disabling the chip
+ * @enable_gpiod : enable GPIO descriptor
+ * @patterns : Predefined pattern data for RGB channels
+ * @num_patterns : Number of patterns
+ * @update_config : Value of CONFIG register
+ */
+struct lp55xx_platform_data {
+
+ /* LED channel configuration */
+ struct lp55xx_led_config *led_config;
+ u8 num_channels;
+ const char *label;
+
+ /* Clock configuration */
+ u8 clock_mode;
+
+ /* optional enable GPIO */
+ struct gpio_desc *enable_gpiod;
+
+ /* Predefined pattern data */
+ struct lp55xx_predef_pattern *patterns;
+ unsigned int num_patterns;
+
+ /* LP8501 specific */
+ enum lp8501_pwr_sel pwr_sel;
+};
+
+#endif /* _LEDS_LP55XX_H */