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path: root/drivers/usb/isp1760/isp1760-core.h
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Diffstat (limited to 'drivers/usb/isp1760/isp1760-core.h')
-rw-r--r--drivers/usb/isp1760/isp1760-core.h44
1 files changed, 38 insertions, 6 deletions
diff --git a/drivers/usb/isp1760/isp1760-core.h b/drivers/usb/isp1760/isp1760-core.h
index d9a0a4cc467c..91e0ee3992a7 100644
--- a/drivers/usb/isp1760/isp1760-core.h
+++ b/drivers/usb/isp1760/isp1760-core.h
@@ -2,18 +2,21 @@
/*
* Driver for the NXP ISP1760 chip
*
+ * Copyright 2021 Linaro, Rui Miguel Silva
* Copyright 2014 Laurent Pinchart
* Copyright 2007 Sebastian Siewior
*
* Contacts:
* Sebastian Siewior <bigeasy@linutronix.de>
* Laurent Pinchart <laurent.pinchart@ideasonboard.com>
+ * Rui Miguel Silva <rui.silva@linaro.org>
*/
#ifndef _ISP1760_CORE_H_
#define _ISP1760_CORE_H_
#include <linux/ioport.h>
+#include <linux/regmap.h>
#include "isp1760-hcd.h"
#include "isp1760-udc.h"
@@ -27,18 +30,19 @@ struct gpio_desc;
* a sane default configuration.
*/
#define ISP1760_FLAG_BUS_WIDTH_16 0x00000002 /* 16-bit data bus width */
-#define ISP1760_FLAG_OTG_EN 0x00000004 /* Port 1 supports OTG */
+#define ISP1760_FLAG_PERIPHERAL_EN 0x00000004 /* Port 1 supports Peripheral mode*/
#define ISP1760_FLAG_ANALOG_OC 0x00000008 /* Analog overcurrent */
#define ISP1760_FLAG_DACK_POL_HIGH 0x00000010 /* DACK active high */
#define ISP1760_FLAG_DREQ_POL_HIGH 0x00000020 /* DREQ active high */
#define ISP1760_FLAG_ISP1761 0x00000040 /* Chip is ISP1761 */
#define ISP1760_FLAG_INTR_POL_HIGH 0x00000080 /* Interrupt polarity active high */
#define ISP1760_FLAG_INTR_EDGE_TRIG 0x00000100 /* Interrupt edge triggered */
+#define ISP1760_FLAG_ISP1763 0x00000200 /* Chip is ISP1763 */
+#define ISP1760_FLAG_BUS_WIDTH_8 0x00000400 /* 8-bit data bus width */
struct isp1760_device {
struct device *dev;
- void __iomem *regs;
unsigned int devflags;
struct gpio_desc *rst_gpio;
@@ -52,14 +56,42 @@ void isp1760_unregister(struct device *dev);
void isp1760_set_pullup(struct isp1760_device *isp, bool enable);
-static inline u32 isp1760_read32(void __iomem *base, u32 reg)
+static inline u32 isp1760_field_read(struct regmap_field **fields, u32 field)
{
- return readl(base + reg);
+ unsigned int val;
+
+ regmap_field_read(fields[field], &val);
+
+ return val;
+}
+
+static inline void isp1760_field_write(struct regmap_field **fields, u32 field,
+ u32 val)
+{
+ regmap_field_write(fields[field], val);
+}
+
+static inline void isp1760_field_set(struct regmap_field **fields, u32 field)
+{
+ isp1760_field_write(fields, field, 0xFFFFFFFF);
}
-static inline void isp1760_write32(void __iomem *base, u32 reg, u32 val)
+static inline void isp1760_field_clear(struct regmap_field **fields, u32 field)
{
- writel(val, base + reg);
+ isp1760_field_write(fields, field, 0);
}
+static inline u32 isp1760_reg_read(struct regmap *regs, u32 reg)
+{
+ unsigned int val;
+
+ regmap_read(regs, reg, &val);
+
+ return val;
+}
+
+static inline void isp1760_reg_write(struct regmap *regs, u32 reg, u32 val)
+{
+ regmap_write(regs, reg, val);
+}
#endif