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144464bd2c
Normally, power domains are handled via TI-SCI in K3 SoCs. However, SPL is not going to have access to sysfw resources, so it must control them directly. Add driver for supporting this. Signed-off-by: Tero Kristo <t-kristo@ti.com> Signed-off-by: Tero Kristo <kristo@kernel.org> Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
77 lines
1.6 KiB
C
77 lines
1.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Texas Instruments K3 Device Platform Data
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*
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* Copyright (C) 2020 Texas Instruments Incorporated - http://www.ti.com/
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*/
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#ifndef __K3_DEV_H__
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#define __K3_DEV_H__
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#include <asm/io.h>
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#include <linux/types.h>
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#include <stdint.h>
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#define LPSC_MODULE_EXISTS BIT(0)
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#define LPSC_NO_CLOCK_GATING BIT(1)
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#define LPSC_DEPENDS BIT(2)
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#define LPSC_HAS_RESET_ISO BIT(3)
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#define LPSC_HAS_LOCAL_RESET BIT(4)
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#define LPSC_NO_MODULE_RESET BIT(5)
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#define PSC_PD_EXISTS BIT(0)
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#define PSC_PD_ALWAYSON BIT(1)
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#define PSC_PD_DEPENDS BIT(2)
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struct ti_psc {
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int id;
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void __iomem *base;
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};
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struct ti_pd;
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struct ti_pd {
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int id;
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int usecount;
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struct ti_psc *psc;
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struct ti_pd *depend;
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};
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struct ti_lpsc;
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struct ti_lpsc {
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int id;
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int usecount;
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struct ti_psc *psc;
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struct ti_pd *pd;
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struct ti_lpsc *depend;
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};
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struct ti_dev {
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struct ti_lpsc *lpsc;
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int id;
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};
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/**
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* struct ti_k3_pd_platdata - pm domain controller information structure
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*/
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struct ti_k3_pd_platdata {
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struct ti_psc *psc;
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struct ti_pd *pd;
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struct ti_lpsc *lpsc;
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struct ti_dev *devs;
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int num_psc;
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int num_pd;
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int num_lpsc;
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int num_devs;
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};
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#define PSC(_id, _base) { .id = _id, .base = (void *)_base, }
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#define PSC_PD(_id, _psc, _depend) { .id = _id, .psc = _psc, .depend = _depend }
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#define PSC_LPSC(_id, _psc, _pd, _depend) { .id = _id, .psc = _psc, .pd = _pd, .depend = _depend }
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#define PSC_DEV(_id, _lpsc) { .id = _id, .lpsc = _lpsc }
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extern const struct ti_k3_pd_platdata j721e_pd_platdata;
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extern const struct ti_k3_pd_platdata j7200_pd_platdata;
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#endif
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