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-rw-r--r--include/axp209.h70
-rw-r--r--include/crc.h43
-rw-r--r--include/u-boot/crc.h14
3 files changed, 68 insertions, 59 deletions
diff --git a/include/axp209.h b/include/axp209.h
index b7de6ed73c..f4f1b2fe56 100644
--- a/include/axp209.h
+++ b/include/axp209.h
@@ -3,11 +3,14 @@
* (C) Copyright 2012 Henrik Nordstrom <henrik@henriknordstrom.net>
*/
+#include <linux/bitops.h>
+
enum axp209_reg {
AXP209_POWER_STATUS = 0x00,
AXP209_CHIP_VERSION = 0x03,
AXP209_OUTPUT_CTRL = 0x12,
AXP209_DCDC2_VOLTAGE = 0x23,
+ AXP209_VRC_DCDC2_LDO3 = 0x25,
AXP209_DCDC3_VOLTAGE = 0x27,
AXP209_LDO24_VOLTAGE = 0x28,
AXP209_LDO3_VOLTAGE = 0x29,
@@ -20,29 +23,64 @@ enum axp209_reg {
AXP209_SHUTDOWN = 0x32,
};
-#define AXP209_POWER_STATUS_ON_BY_DC (1 << 0)
-#define AXP209_POWER_STATUS_VBUS_USABLE (1 << 4)
+#define AXP209_POWER_STATUS_ON_BY_DC BIT(0)
+#define AXP209_POWER_STATUS_VBUS_USABLE BIT(4)
+
+#define AXP209_CHIP_VERSION_MASK 0x0f
+
+#define AXP209_OUTPUT_CTRL_EXTEN BIT(0)
+#define AXP209_OUTPUT_CTRL_DCDC3 BIT(1)
+#define AXP209_OUTPUT_CTRL_LDO2 BIT(2)
+#define AXP209_OUTPUT_CTRL_LDO4 BIT(3)
+#define AXP209_OUTPUT_CTRL_DCDC2 BIT(4)
+#define AXP209_OUTPUT_CTRL_LDO3 BIT(6)
+
+/*
+ * AXP209 datasheet contains wrong information about LDO3 VRC:
+ * - VRC is actually enabled when BIT(1) is True
+ * - VRC is actually not enabled by default (BIT(3) = 0 after reset)
+ */
+#define AXP209_VRC_LDO3_EN BIT(3)
+#define AXP209_VRC_DCDC2_EN BIT(2)
+#define AXP209_VRC_LDO3_800uV_uS (BIT(1) | AXP209_VRC_LDO3_EN)
+#define AXP209_VRC_LDO3_1600uV_uS AXP209_VRC_LDO3_EN
+#define AXP209_VRC_DCDC2_800uV_uS (BIT(0) | AXP209_VRC_DCDC2_EN)
+#define AXP209_VRC_DCDC2_1600uV_uS AXP209_VRC_DCDC2_EN
+#define AXP209_VRC_LDO3_MASK 0xa
+#define AXP209_VRC_DCDC2_MASK 0x5
+#define AXP209_VRC_DCDC2_SLOPE_SET(reg, cfg) \
+ (((reg) & ~AXP209_VRC_DCDC2_MASK) | \
+ ((cfg) & AXP209_VRC_DCDC2_MASK))
+#define AXP209_VRC_LDO3_SLOPE_SET(reg, cfg) \
+ (((reg) & ~AXP209_VRC_LDO3_MASK) | \
+ ((cfg) & AXP209_VRC_LDO3_MASK))
+
+#define AXP209_LDO24_LDO2_MASK 0xf0
+#define AXP209_LDO24_LDO4_MASK 0x0f
+#define AXP209_LDO24_LDO2_SET(reg, cfg) \
+ (((reg) & ~AXP209_LDO24_LDO2_MASK) | \
+ (((cfg) << 4) & AXP209_LDO24_LDO2_MASK))
+#define AXP209_LDO24_LDO4_SET(reg, cfg) \
+ (((reg) & ~AXP209_LDO24_LDO4_MASK) | \
+ (((cfg) << 0) & AXP209_LDO24_LDO4_MASK))
-#define AXP209_OUTPUT_CTRL_EXTEN (1 << 0)
-#define AXP209_OUTPUT_CTRL_DCDC3 (1 << 1)
-#define AXP209_OUTPUT_CTRL_LDO2 (1 << 2)
-#define AXP209_OUTPUT_CTRL_LDO4 (1 << 3)
-#define AXP209_OUTPUT_CTRL_DCDC2 (1 << 4)
-#define AXP209_OUTPUT_CTRL_LDO3 (1 << 6)
+#define AXP209_LDO3_VOLTAGE_FROM_LDO3IN BIT(7)
+#define AXP209_LDO3_VOLTAGE_MASK 0x7f
+#define AXP209_LDO3_VOLTAGE_SET(x) ((x) & AXP209_LDO3_VOLTAGE_MASK)
-#define AXP209_IRQ5_PEK_UP (1 << 6)
-#define AXP209_IRQ5_PEK_DOWN (1 << 5)
+#define AXP209_IRQ5_PEK_UP BIT(6)
+#define AXP209_IRQ5_PEK_DOWN BIT(5)
-#define AXP209_POWEROFF (1 << 7)
+#define AXP209_POWEROFF BIT(7)
/* For axp_gpio.c */
#define AXP_POWER_STATUS 0x00
-#define AXP_POWER_STATUS_VBUS_PRESENT (1 << 5)
+#define AXP_POWER_STATUS_VBUS_PRESENT BIT(5)
#define AXP_GPIO0_CTRL 0x90
#define AXP_GPIO1_CTRL 0x92
#define AXP_GPIO2_CTRL 0x93
-#define AXP_GPIO_CTRL_OUTPUT_LOW 0x00 /* Drive pin low */
-#define AXP_GPIO_CTRL_OUTPUT_HIGH 0x01 /* Drive pin high */
-#define AXP_GPIO_CTRL_INPUT 0x02 /* Input */
+#define AXP_GPIO_CTRL_OUTPUT_LOW 0x00 /* Drive pin low */
+#define AXP_GPIO_CTRL_OUTPUT_HIGH 0x01 /* Drive pin high */
+#define AXP_GPIO_CTRL_INPUT 0x02 /* Input */
#define AXP_GPIO_STATE 0x94
-#define AXP_GPIO_STATE_OFFSET 4
+#define AXP_GPIO_STATE_OFFSET 4
diff --git a/include/crc.h b/include/crc.h
deleted file mode 100644
index 2a00af5be4..0000000000
--- a/include/crc.h
+++ /dev/null
@@ -1,43 +0,0 @@
-/* SPDX-License-Identifier: eCos-2.0 */
-/*
- *==========================================================================
- *
- * crc.h
- *
- * Interface for the CRC algorithms.
- *
- *==========================================================================
- *==========================================================================
- *#####DESCRIPTIONBEGIN####
- *
- * Author(s): Andrew Lunn
- * Contributors: Andrew Lunn
- * Date: 2002-08-06
- * Purpose:
- * Description:
- *
- * This code is part of eCos (tm).
- *
- *####DESCRIPTIONEND####
- *
- *==========================================================================
- */
-
-#ifndef _SERVICES_CRC_CRC_H_
-#define _SERVICES_CRC_CRC_H_
-
-#include <linux/types.h>
-
-#ifndef __externC
-# ifdef __cplusplus
-# define __externC extern "C"
-# else
-# define __externC extern
-# endif
-#endif
-
-/* 16 bit CRC with polynomial x^16+x^12+x^5+1 (CRC-CCITT) */
-
-uint16_t crc16_ccitt(uint16_t crc_start, unsigned char *s, int len);
-
-#endif /* _SERVICES_CRC_CRC_H_ */
diff --git a/include/u-boot/crc.h b/include/u-boot/crc.h
index e98cb46c90..788ef29a17 100644
--- a/include/u-boot/crc.h
+++ b/include/u-boot/crc.h
@@ -11,6 +11,20 @@
/* lib/crc8.c */
unsigned int crc8(unsigned int crc_start, const unsigned char *vptr, int len);
+/* lib/crc16.c - 16 bit CRC with polynomial x^16+x^12+x^5+1 (CRC-CCITT) */
+uint16_t crc16_ccitt(uint16_t crc_start, const unsigned char *s, int len);
+/**
+ * crc16_ccitt_wd_buf - Perform CRC16-CCIT on an input buffer and return the
+ * 16-bit result (network byte-order) in an output buffer
+ *
+ * @in: input buffer
+ * @len: input buffer length
+ * @out: output buffer (at least 2 bytes)
+ * @chunk_sz: ignored
+ */
+void crc16_ccitt_wd_buf(const uint8_t *in, uint len,
+ uint8_t *out, uint chunk_sz);
+
/* lib/crc32.c */
uint32_t crc32 (uint32_t, const unsigned char *, uint);
uint32_t crc32_wd (uint32_t, const unsigned char *, uint, uint);