Files
u-boot/include/k3-dev.h
Apurva Nandan 952099944d arm: mach-k3: j784s4: Add clk and power support
Add clk and device data which can be used by respective drivers
to configure clocks and PSC.

Signed-off-by: Hari Nagalla <hnagalla@ti.com>
Signed-off-by: Apurva Nandan <a-nandan@ti.com>
Reviewed-by: Sean Anderson <seanga2@gmail.com>
Reviewed-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Bryan Brattlof <bb@ti.com>
Reviewed-by: Roger Quadros <rogerq@kernel.org>
Tested-by: Marcel Ziswiler <marcel.ziswiler@toradex.com> # AM69-SK
2024-03-04 13:41:03 -05:00

90 lines
2.1 KiB
C

/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Texas Instruments K3 Device Platform Data
*
* Copyright (C) 2020 Texas Instruments Incorporated - https://www.ti.com/
*/
#ifndef __K3_DEV_H__
#define __K3_DEV_H__
#include <asm/io.h>
#include <linux/types.h>
#include <stdint.h>
#define LPSC_MODULE_EXISTS BIT(0)
#define LPSC_NO_CLOCK_GATING BIT(1)
#define LPSC_DEPENDS BIT(2)
#define LPSC_HAS_RESET_ISO BIT(3)
#define LPSC_HAS_LOCAL_RESET BIT(4)
#define LPSC_NO_MODULE_RESET BIT(5)
#define PSC_PD_EXISTS BIT(0)
#define PSC_PD_ALWAYSON BIT(1)
#define PSC_PD_DEPENDS BIT(2)
#define MDSTAT_STATE_MASK 0x3f
#define MDSTAT_BUSY_MASK 0x30
#define MDSTAT_STATE_SWRSTDISABLE 0x0
#define MDSTAT_STATE_ENABLE 0x3
struct ti_psc {
int id;
void __iomem *base;
};
struct ti_pd;
struct ti_pd {
int id;
int usecount;
struct ti_psc *psc;
struct ti_pd *depend;
};
struct ti_lpsc;
struct ti_lpsc {
int id;
int usecount;
struct ti_psc *psc;
struct ti_pd *pd;
struct ti_lpsc *depend;
};
struct ti_dev {
struct ti_lpsc *lpsc;
int id;
};
/**
* struct ti_k3_pd_platdata - pm domain controller information structure
*/
struct ti_k3_pd_platdata {
struct ti_psc *psc;
struct ti_pd *pd;
struct ti_lpsc *lpsc;
struct ti_dev *devs;
int num_psc;
int num_pd;
int num_lpsc;
int num_devs;
};
#define PSC(_id, _base) { .id = _id, .base = (void *)_base, }
#define PSC_PD(_id, _psc, _depend) { .id = _id, .psc = _psc, .depend = _depend }
#define PSC_LPSC(_id, _psc, _pd, _depend) { .id = _id, .psc = _psc, .pd = _pd, .depend = _depend }
#define PSC_DEV(_id, _lpsc) { .id = _id, .lpsc = _lpsc }
extern const struct ti_k3_pd_platdata j721e_pd_platdata;
extern const struct ti_k3_pd_platdata j7200_pd_platdata;
extern const struct ti_k3_pd_platdata j721s2_pd_platdata;
extern const struct ti_k3_pd_platdata am62x_pd_platdata;
extern const struct ti_k3_pd_platdata am62ax_pd_platdata;
extern const struct ti_k3_pd_platdata j784s4_pd_platdata;
u8 ti_pd_state(struct ti_pd *pd);
u8 lpsc_get_state(struct ti_lpsc *lpsc);
int ti_lpsc_transition(struct ti_lpsc *lpsc, u8 state);
#endif