imx_ccm_rev3.h

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/*
 * SPDX-FileCopyrightText: Copyright 2026 NXP
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_IMX_CCM_REV3_H_
#define ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_IMX_CCM_REV3_H_


#define IMX_CCM_ID_BITS 16U
#define IMX_CCM_ID_MASK 0xFFFFU

#define IMX_CCM_GATE_SHIFT 0U
#define IMX_CCM_ROOT_SHIFT 16U

#define IMX_CCM_GATE_NONE IMX_CCM_ID_MASK
#define IMX_CCM_ROOT_NONE IMX_CCM_ID_MASK

#define IMX_CCM_CLK(gate, root)                                                                    \
        ((((root) & IMX_CCM_ID_MASK) << IMX_CCM_ROOT_SHIFT) |                                      \
         (((gate) & IMX_CCM_ID_MASK) << IMX_CCM_GATE_SHIFT))

#define IMX_CCM_CLK_GATE(spec) (((spec) >> IMX_CCM_GATE_SHIFT) & IMX_CCM_ID_MASK)
#define IMX_CCM_CLK_ROOT(spec) (((spec) >> IMX_CCM_ROOT_SHIFT) & IMX_CCM_ID_MASK)


#define IMX_CCM_ROOT_CFG_ROOT_SHIFT    0U
#define IMX_CCM_ROOT_CFG_MUX_SHIFT     8U
#define IMX_CCM_ROOT_CFG_DIV_SHIFT     12U
#define IMX_CCM_ROOT_CFG_SND_DIV_SHIFT 20U
#define IMX_CCM_ROOT_CFG_TAG_SHIFT     28U

#define IMX_CCM_ROOT_CFG_ROOT_MASK    0xFFU
#define IMX_CCM_ROOT_CFG_MUX_MASK     0xFU
#define IMX_CCM_ROOT_CFG_DIV_MASK     0xFFU
#define IMX_CCM_ROOT_CFG_SND_DIV_MASK 0xFFU
#define IMX_CCM_ROOT_CFG_TAG_MASK     0xFU

#define IMX_CCM_ROOT_CFG_TAG 0xAU

#define IMX_CCM_ROOT_CFG(root, mux, div, snd_div)                                                  \
        (((IMX_CCM_ROOT_CFG_TAG) << IMX_CCM_ROOT_CFG_TAG_SHIFT) |                                  \
         (((snd_div) & IMX_CCM_ROOT_CFG_SND_DIV_MASK) << IMX_CCM_ROOT_CFG_SND_DIV_SHIFT) |         \
         (((div) & IMX_CCM_ROOT_CFG_DIV_MASK) << IMX_CCM_ROOT_CFG_DIV_SHIFT) |                     \
         (((mux) & IMX_CCM_ROOT_CFG_MUX_MASK) << IMX_CCM_ROOT_CFG_MUX_SHIFT) |                     \
         (((root) & IMX_CCM_ROOT_CFG_ROOT_MASK) << IMX_CCM_ROOT_CFG_ROOT_SHIFT))

#define IMX_CCM_ROOT_CFG_IS(cell)                                                                  \
        ((((cell) >> IMX_CCM_ROOT_CFG_TAG_SHIFT) & IMX_CCM_ROOT_CFG_TAG_MASK) ==                   \
         IMX_CCM_ROOT_CFG_TAG)

#define IMX_CCM_ROOT_CFG_ROOT(cell)                                                                \
        (((cell) >> IMX_CCM_ROOT_CFG_ROOT_SHIFT) & IMX_CCM_ROOT_CFG_ROOT_MASK)

#define IMX_CCM_ROOT_CFG_MUX(cell)                                                                 \
        (((cell) >> IMX_CCM_ROOT_CFG_MUX_SHIFT) & IMX_CCM_ROOT_CFG_MUX_MASK)

#define IMX_CCM_ROOT_CFG_DIV(cell)                                                                 \
        (((cell) >> IMX_CCM_ROOT_CFG_DIV_SHIFT) & IMX_CCM_ROOT_CFG_DIV_MASK)

#define IMX_CCM_ROOT_CFG_SND_DIV(cell)                                                             \
        (((cell) >> IMX_CCM_ROOT_CFG_SND_DIV_SHIFT) & IMX_CCM_ROOT_CFG_SND_DIV_MASK)

 
#endif /* ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_IMX_CCM_REV3_H_ */