diff options
Diffstat (limited to 'include')
-rw-r--r-- | include/axp209.h | 70 | ||||
-rw-r--r-- | include/crc.h | 43 | ||||
-rw-r--r-- | include/u-boot/crc.h | 14 |
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); |