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RedBear-OS/local/recipes/gpu/amdgpu-source/include/linux/mfd/stm32-lptimer.h
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vasilito dc68054305 restore lost packages from 0.2.3 + fix overwritten 0.2.4 files
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2026-06-19 12:39:14 +03:00

100 lines
3.3 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
/*
* STM32 Low-Power Timer parent driver.
* Copyright (C) STMicroelectronics 2017
* Author: Fabrice Gasnier <fabrice.gasnier@st.com>
* Inspired by Benjamin Gaignard's stm32-timers driver
*/
#ifndef _LINUX_STM32_LPTIMER_H_
#define _LINUX_STM32_LPTIMER_H_
#include <linux/clk.h>
#include <linux/regmap.h>
#define STM32_LPTIM_ISR 0x00 /* Interrupt and Status Reg */
#define STM32_LPTIM_ICR 0x04 /* Interrupt Clear Reg */
#define STM32_LPTIM_IER 0x08 /* Interrupt Enable Reg */
#define STM32_LPTIM_CFGR 0x0C /* Configuration Reg */
#define STM32_LPTIM_CR 0x10 /* Control Reg */
#define STM32_LPTIM_CMP 0x14 /* Compare Reg (MP25 CCR1) */
#define STM32_LPTIM_ARR 0x18 /* Autoreload Reg */
#define STM32_LPTIM_CNT 0x1C /* Counter Reg */
#define STM32_LPTIM_CCMR1 0x2C /* Capture/Compare Mode MP25 */
#define STM32_LPTIM_CCR2 0x34 /* Compare Reg2 MP25 */
#define STM32_LPTIM_HWCFGR2 0x3EC /* Hardware configuration register 2 - MP25 */
#define STM32_LPTIM_HWCFGR1 0x3F0 /* Hardware configuration register 1 - MP15 */
#define STM32_LPTIM_VERR 0x3F4 /* Version identification register - MP15 */
/* STM32_LPTIM_ISR - bit fields */
#define STM32_LPTIM_DIEROK_ARROK (BIT(24) | BIT(4)) /* MP25 */
#define STM32_LPTIM_CMP2_ARROK (BIT(19) | BIT(4))
#define STM32_LPTIM_CMPOK_ARROK GENMASK(4, 3)
#define STM32_LPTIM_ARROK BIT(4)
#define STM32_LPTIM_CMPOK BIT(3)
/* STM32_LPTIM_ICR - bit fields */
#define STM32_LPTIM_DIEROKCF_ARROKCF (BIT(24) | BIT(4)) /* MP25 */
#define STM32_LPTIM_CMP2OKCF_ARROKCF (BIT(19) | BIT(4))
#define STM32_LPTIM_CMPOKCF_ARROKCF GENMASK(4, 3)
#define STM32_LPTIM_ARRMCF BIT(1)
/* STM32_LPTIM_IER - bit fields */
#define STM32_LPTIM_ARRMIE BIT(1)
/* STM32_LPTIM_CR - bit fields */
#define STM32_LPTIM_CNTSTRT BIT(2)
#define STM32_LPTIM_SNGSTRT BIT(1)
#define STM32_LPTIM_ENABLE BIT(0)
/* STM32_LPTIM_CFGR - bit fields */
#define STM32_LPTIM_ENC BIT(24)
#define STM32_LPTIM_COUNTMODE BIT(23)
#define STM32_LPTIM_WAVPOL BIT(21)
#define STM32_LPTIM_PRESC GENMASK(11, 9)
#define STM32_LPTIM_CKPOL GENMASK(2, 1)
/* STM32_LPTIM_CKPOL */
#define STM32_LPTIM_CKPOL_RISING_EDGE 0
#define STM32_LPTIM_CKPOL_FALLING_EDGE 1
#define STM32_LPTIM_CKPOL_BOTH_EDGES 2
/* STM32_LPTIM_ARR */
#define STM32_LPTIM_MAX_ARR 0xFFFF
/* STM32_LPTIM_CCMR1 */
#define STM32_LPTIM_CC2P GENMASK(19, 18)
#define STM32_LPTIM_CC2E BIT(17)
#define STM32_LPTIM_CC2SEL BIT(16)
#define STM32_LPTIM_CC1P GENMASK(3, 2)
#define STM32_LPTIM_CC1E BIT(1)
#define STM32_LPTIM_CC1SEL BIT(0)
/* STM32_LPTIM_HWCFGR1 */
#define STM32_LPTIM_HWCFGR1_ENCODER BIT(16)
/* STM32_LPTIM_HWCFGR2 */
#define STM32_LPTIM_HWCFGR2_CHAN_NUM GENMASK(3, 0)
/* STM32_LPTIM_VERR */
#define STM32_LPTIM_VERR_23 0x23 /* STM32MP25 */
/**
* struct stm32_lptimer - STM32 Low-Power Timer data assigned by parent device
* @clk: clock reference for this instance
* @regmap: register map reference for this instance
* @has_encoder: indicates this Low-Power Timer supports encoder mode
* @num_cc_chans: indicates the number of capture/compare channels
* @version: indicates the major and minor revision of the controller
*/
struct stm32_lptimer {
struct clk *clk;
struct regmap *regmap;
bool has_encoder;
unsigned int num_cc_chans;
u32 version;
};
#endif