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Diffstat (limited to 'drivers/pinctrl/sprd/pinctrl-sprd.h')
-rw-r--r--drivers/pinctrl/sprd/pinctrl-sprd.h59
1 files changed, 59 insertions, 0 deletions
diff --git a/drivers/pinctrl/sprd/pinctrl-sprd.h b/drivers/pinctrl/sprd/pinctrl-sprd.h
new file mode 100644
index 0000000000..69544a3cd6
--- /dev/null
+++ b/drivers/pinctrl/sprd/pinctrl-sprd.h
@@ -0,0 +1,59 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Driver header file for pin controller driver
+ * Copyright (C) 2017 Spreadtrum - http://www.spreadtrum.com
+ */
+
+#ifndef __PINCTRL_SPRD_H__
+#define __PINCTRL_SPRD_H__
+
+struct platform_device;
+
+#define NUM_OFFSET (20)
+#define TYPE_OFFSET (16)
+#define BIT_OFFSET (8)
+#define WIDTH_OFFSET (4)
+
+#define SPRD_PIN_INFO(num, type, offset, width, reg) \
+ (((num) & 0xFFF) << NUM_OFFSET | \
+ ((type) & 0xF) << TYPE_OFFSET | \
+ ((offset) & 0xFF) << BIT_OFFSET | \
+ ((width) & 0xF) << WIDTH_OFFSET | \
+ ((reg) & 0xF))
+
+#define SPRD_PINCTRL_PIN(pin) SPRD_PINCTRL_PIN_DATA(pin, #pin)
+
+#define SPRD_PINCTRL_PIN_DATA(a, b) \
+ { \
+ .name = b, \
+ .num = (((a) >> NUM_OFFSET) & 0xfff), \
+ .type = (((a) >> TYPE_OFFSET) & 0xf), \
+ .bit_offset = (((a) >> BIT_OFFSET) & 0xff), \
+ .bit_width = ((a) >> WIDTH_OFFSET & 0xf), \
+ .reg = ((a) & 0xf) \
+ }
+
+enum pin_type {
+ GLOBAL_CTRL_PIN,
+ COMMON_PIN,
+ MISC_PIN,
+};
+
+struct sprd_pins_info {
+ const char *name;
+ unsigned int num;
+ enum pin_type type;
+
+ /* for global control pins configuration */
+ unsigned long bit_offset;
+ unsigned long bit_width;
+ unsigned int reg;
+};
+
+int sprd_pinctrl_core_probe(struct platform_device *pdev,
+ struct sprd_pins_info *sprd_soc_pin_info,
+ int pins_cnt);
+int sprd_pinctrl_remove(struct platform_device *pdev);
+void sprd_pinctrl_shutdown(struct platform_device *pdev);
+
+#endif /* __PINCTRL_SPRD_H__ */