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soc/rockchip: support the power domains for rk3036 SoCs

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The rk3036 SoCs have some domains with NOC idle function, but it can't
turn the power domain off. This patch supports it to handle some devices
for needing.

Change-Id: I515f2cea07f1af1777bb877a5f396fd21caba3ad
Signed-off-by: Caesar Wang <wxt@rock-chips.com>
This commit is contained in:
Caesar Wang 2017-11-28 15:07:50 +08:00 committed by Tao Huang
parent 9c51095c78
commit 1f232f6bb2
2 changed files with 60 additions and 0 deletions
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33
drivers/soc/rockchip/pm_domains.c
View File

@ -19,6 +19,7 @@
#include <linux/clk.h>
#include <linux/regmap.h>
#include <linux/mfd/syscon.h>
#include <dt-bindings/power/rk3036-power.h>
#include <dt-bindings/power/rk3128-power.h>
#include <dt-bindings/power/rk3288-power.h>
#include <dt-bindings/power/rk3328-power.h>
@ -109,6 +110,15 @@ static struct rockchip_pmu *dmc_pmu;
.active_wakeup = wakeup, \
}
#define DOMAIN_RK3036(req, ack, idle, wakeup) \
{ \
.req_mask = (req >= 0) ? BIT(req) : 0, \
.req_w_mask = (req >= 0) ? BIT(req + 16) : 0, \
.ack_mask = (ack >= 0) ? BIT(ack) : 0, \
.idle_mask = (idle >= 0) ? BIT(idle) : 0, \
.active_wakeup = wakeup, \
}
#define DOMAIN_RK3288(pwr, status, req, wakeup) \
DOMAIN(pwr, status, req, req, (req) + 16, wakeup)
@ -754,6 +764,16 @@ static int rockchip_pm_domain_probe(struct platform_device *pdev)
return error;
}
static const struct rockchip_domain_info rk3036_pm_domains[] = {
[RK3036_PD_MSCH] = DOMAIN_RK3036(14, 23, 30, true),
[RK3036_PD_CORE] = DOMAIN_RK3036(13, 17, 24, false),
[RK3036_PD_PERI] = DOMAIN_RK3036(12, 18, 25, false),
[RK3036_PD_VIO] = DOMAIN_RK3036(11, 19, 26, false),
[RK3036_PD_VPU] = DOMAIN_RK3036(10, 20, 27, false),
[RK3036_PD_GPU] = DOMAIN_RK3036(9, 21, 28, false),
[RK3036_PD_SYS] = DOMAIN_RK3036(8, 22, 29, false),
};
static const struct rockchip_domain_info rk3128_pm_domains[] = {
[RK3128_PD_CORE] = DOMAIN_RK3288(0, 0, 4, false),
[RK3128_PD_MSCH] = DOMAIN_RK3288(-1, -1, 6, true),
@ -829,6 +849,15 @@ static const struct rockchip_domain_info rk3399_pm_domains[] = {
[RK3399_PD_SDIOAUDIO] = DOMAIN_RK3399(31, 31, 29, true),
};
static const struct rockchip_pmu_info rk3036_pmu = {
.req_offset = 0x148,
.idle_offset = 0x14c,
.ack_offset = 0x14c,
.num_domains = ARRAY_SIZE(rk3036_pm_domains),
.domain_info = rk3036_pm_domains,
};
static const struct rockchip_pmu_info rk3128_pmu = {
.pwr_offset = 0x04,
.status_offset = 0x08,
@ -918,6 +947,10 @@ static const struct rockchip_pmu_info rk3399_pmu = {
};
static const struct of_device_id rockchip_pm_domain_dt_match[] = {
{
.compatible = "rockchip,rk3036-power-controller",
.data = (void *)&rk3036_pmu,
},
{
.compatible = "rockchip,rk3128-power-controller",
.data = (void *)&rk3128_pmu,

27
include/dt-bindings/power/rk3036-power.h Normal file
View File

@ -0,0 +1,27 @@
/*
* Copyright (c) 2017 Rockchip Electronics Co. Ltd.
* Author: Caesar Wang <wxt@rock-chips.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef __DT_BINDINGS_POWER_RK3036_POWER_H__
#define __DT_BINDINGS_POWER_RK3036_POWER_H__
#define RK3036_PD_MSCH 0
#define RK3036_PD_CORE 1
#define RK3036_PD_PERI 2
#define RK3036_PD_VIO 3
#define RK3036_PD_VPU 4
#define RK3036_PD_GPU 5
#define RK3036_PD_SYS 6
#endif