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driver: sensor: add tachometer driver for rts5912

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Add tachometer driver for Realtek rts5912.

Signed-off-by: Jhan BoChao <jhan_bo_chao@realtek.com>
This commit is contained in:
Jhan BoChao 2025-03-11 15:57:50 +08:00 • committed by Benjamin Cabé
commit 482d17f235
11 changed files with 261 additions and 0 deletions
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42
soc/realtek/ec/rts5912/reg/reg_tacho.h Normal file
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/*
* Copyright (c) 2025 Realtek, SIBG-SD7
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef ZEPHYR_SOC_REALTEK_RTS5912_REG_TACHO_H
#define ZEPHYR_SOC_REALTEK_RTS5912_REG_TACHO_H
struct tacho_regs {
uint32_t ctrl;
uint32_t status;
uint32_t limit_high;
uint32_t limit_low;
uint32_t int_en;
};
/* CTRL */
#define TACHO_CTRL_EN BIT(0UL)
#define TACHO_CTRL_FILTEREN BIT(1UL)
#define TACHO_CTRL_SELEDGE_Pos (2UL)
#define TACHO_CTRL_SELEDGE_Msk GENMASK(3, TACHO_CTRL_SELEDGE_Pos)
#define TACHO_CTRL_READMODE BIT(4UL)
#define TACHO_CTRL_CNT_Pos (16UL)
#define TACHO_CTRL_CNT_Msk GENMASK(31, TACHO_CTRL_CNT_Pos)
/* STS */
#define TACHO_STS_LIMIT BIT(0UL)
#define TACHO_STS_PIN BIT(1UL)
#define TACHO_STS_CHG BIT(2UL)
#define TACHO_STS_CNTRDY BIT(3UL)
/* LIMITH */
#define TACHO_LIMITH_VAL_Pos (0UL)
#define TACHO_LIMITH_VAL_Msk GENMASK(15, TACHO_LIMITH_VAL_Pos)
/* LIMITL */
#define TACHO_LIMITL_VAL_Pos (0UL)
#define TACHO_LIMITL_VAL_Msk GENMASK(15, TACHO_LIMITL_VAL_Pos)
/* INTEN */
#define TACHO_INTEN_LIMITEN BIT(0UL)
#define TACHO_INTEN_CNTRDYEN BIT(1UL)
#define TACHO_INTEN_CHGEN BIT(2UL)
#endif /* ZEPHYR_SOC_REALTEK_RTS5912_REG_TACHO_H */