| Benjamin Gaignard | d0f949e | 2017-01-20 10:15:03 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) STMicroelectronics 2016 |
| 3 | * |
| 4 | * Author: Benjamin Gaignard <benjamin.gaignard@st.com> |
| 5 | * |
| 6 | * License terms: GNU General Public License (GPL), version 2 |
| 7 | */ |
| 8 | |
| 9 | #ifndef _LINUX_STM32_GPTIMER_H_ |
| 10 | #define _LINUX_STM32_GPTIMER_H_ |
| 11 | |
| 12 | #include <linux/clk.h> |
| 13 | #include <linux/regmap.h> |
| 14 | |
| 15 | #define TIM_CR1 0x00 /* Control Register 1 */ |
| 16 | #define TIM_CR2 0x04 /* Control Register 2 */ |
| 17 | #define TIM_SMCR 0x08 /* Slave mode control reg */ |
| 18 | #define TIM_DIER 0x0C /* DMA/interrupt register */ |
| 19 | #define TIM_SR 0x10 /* Status register */ |
| 20 | #define TIM_EGR 0x14 /* Event Generation Reg */ |
| 21 | #define TIM_CCMR1 0x18 /* Capt/Comp 1 Mode Reg */ |
| 22 | #define TIM_CCMR2 0x1C /* Capt/Comp 2 Mode Reg */ |
| 23 | #define TIM_CCER 0x20 /* Capt/Comp Enable Reg */ |
| 24 | #define TIM_PSC 0x28 /* Prescaler */ |
| 25 | #define TIM_ARR 0x2c /* Auto-Reload Register */ |
| 26 | #define TIM_CCR1 0x34 /* Capt/Comp Register 1 */ |
| 27 | #define TIM_CCR2 0x38 /* Capt/Comp Register 2 */ |
| 28 | #define TIM_CCR3 0x3C /* Capt/Comp Register 3 */ |
| 29 | #define TIM_CCR4 0x40 /* Capt/Comp Register 4 */ |
| 30 | #define TIM_BDTR 0x44 /* Break and Dead-Time Reg */ |
| 31 | |
| 32 | #define TIM_CR1_CEN BIT(0) /* Counter Enable */ |
| 33 | #define TIM_CR1_ARPE BIT(7) /* Auto-reload Preload Ena */ |
| 34 | #define TIM_CR2_MMS (BIT(4) | BIT(5) | BIT(6)) /* Master mode selection */ |
| 35 | #define TIM_SMCR_SMS (BIT(0) | BIT(1) | BIT(2)) /* Slave mode selection */ |
| 36 | #define TIM_SMCR_TS (BIT(4) | BIT(5) | BIT(6)) /* Trigger selection */ |
| 37 | #define TIM_DIER_UIE BIT(0) /* Update interrupt */ |
| 38 | #define TIM_SR_UIF BIT(0) /* Update interrupt flag */ |
| 39 | #define TIM_EGR_UG BIT(0) /* Update Generation */ |
| 40 | #define TIM_CCMR_PE BIT(3) /* Channel Preload Enable */ |
| 41 | #define TIM_CCMR_M1 (BIT(6) | BIT(5)) /* Channel PWM Mode 1 */ |
| 42 | #define TIM_CCER_CC1E BIT(0) /* Capt/Comp 1 out Ena */ |
| 43 | #define TIM_CCER_CC1P BIT(1) /* Capt/Comp 1 Polarity */ |
| 44 | #define TIM_CCER_CC1NE BIT(2) /* Capt/Comp 1N out Ena */ |
| 45 | #define TIM_CCER_CC1NP BIT(3) /* Capt/Comp 1N Polarity */ |
| 46 | #define TIM_CCER_CC2E BIT(4) /* Capt/Comp 2 out Ena */ |
| 47 | #define TIM_CCER_CC3E BIT(8) /* Capt/Comp 3 out Ena */ |
| 48 | #define TIM_CCER_CC4E BIT(12) /* Capt/Comp 4 out Ena */ |
| 49 | #define TIM_CCER_CCXE (BIT(0) | BIT(4) | BIT(8) | BIT(12)) |
| 50 | #define TIM_BDTR_BKE BIT(12) /* Break input enable */ |
| 51 | #define TIM_BDTR_BKP BIT(13) /* Break input polarity */ |
| 52 | #define TIM_BDTR_AOE BIT(14) /* Automatic Output Enable */ |
| 53 | #define TIM_BDTR_MOE BIT(15) /* Main Output Enable */ |
| 54 | #define TIM_BDTR_BKF (BIT(16) | BIT(17) | BIT(18) | BIT(19)) |
| 55 | #define TIM_BDTR_BK2F (BIT(20) | BIT(21) | BIT(22) | BIT(23)) |
| 56 | #define TIM_BDTR_BK2E BIT(24) /* Break 2 input enable */ |
| 57 | #define TIM_BDTR_BK2P BIT(25) /* Break 2 input polarity */ |
| 58 | |
| 59 | #define MAX_TIM_PSC 0xFFFF |
| 60 | #define TIM_CR2_MMS_SHIFT 4 |
| 61 | #define TIM_SMCR_TS_SHIFT 4 |
| 62 | #define TIM_BDTR_BKF_MASK 0xF |
| 63 | #define TIM_BDTR_BKF_SHIFT 16 |
| 64 | #define TIM_BDTR_BK2F_SHIFT 20 |
| 65 | |
| 66 | struct stm32_timers { |
| 67 | struct clk *clk; |
| 68 | struct regmap *regmap; |
| 69 | u32 max_arr; |
| 70 | }; |
| 71 | #endif |