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24869610e8
Add power-domains found on rk3066 socs. Signed-off-by: Heiko Stuebner <heiko@sntech.de>
1049 lines
28 KiB
C
1049 lines
28 KiB
C
/*
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* Rockchip Generic power domain support.
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*
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* Copyright (c) 2015 ROCKCHIP, Co. Ltd.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/io.h>
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#include <linux/iopoll.h>
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#include <linux/err.h>
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#include <linux/pm_clock.h>
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#include <linux/pm_domain.h>
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#include <linux/of_address.h>
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#include <linux/of_clk.h>
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#include <linux/of_platform.h>
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#include <linux/clk.h>
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#include <linux/regmap.h>
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#include <linux/mfd/syscon.h>
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#include <dt-bindings/power/px30-power.h>
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#include <dt-bindings/power/rk3036-power.h>
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#include <dt-bindings/power/rk3066-power.h>
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#include <dt-bindings/power/rk3128-power.h>
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#include <dt-bindings/power/rk3188-power.h>
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#include <dt-bindings/power/rk3228-power.h>
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#include <dt-bindings/power/rk3288-power.h>
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#include <dt-bindings/power/rk3328-power.h>
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#include <dt-bindings/power/rk3366-power.h>
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#include <dt-bindings/power/rk3368-power.h>
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#include <dt-bindings/power/rk3399-power.h>
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struct rockchip_domain_info {
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int pwr_mask;
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int status_mask;
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int req_mask;
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int idle_mask;
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int ack_mask;
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bool active_wakeup;
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int pwr_w_mask;
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int req_w_mask;
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};
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struct rockchip_pmu_info {
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u32 pwr_offset;
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u32 status_offset;
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u32 req_offset;
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u32 idle_offset;
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u32 ack_offset;
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u32 core_pwrcnt_offset;
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u32 gpu_pwrcnt_offset;
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unsigned int core_power_transition_time;
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unsigned int gpu_power_transition_time;
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int num_domains;
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const struct rockchip_domain_info *domain_info;
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};
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#define MAX_QOS_REGS_NUM 5
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#define QOS_PRIORITY 0x08
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#define QOS_MODE 0x0c
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#define QOS_BANDWIDTH 0x10
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#define QOS_SATURATION 0x14
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#define QOS_EXTCONTROL 0x18
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struct rockchip_pm_domain {
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struct generic_pm_domain genpd;
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const struct rockchip_domain_info *info;
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struct rockchip_pmu *pmu;
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int num_qos;
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struct regmap **qos_regmap;
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u32 *qos_save_regs[MAX_QOS_REGS_NUM];
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int num_clks;
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struct clk_bulk_data *clks;
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};
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struct rockchip_pmu {
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struct device *dev;
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struct regmap *regmap;
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const struct rockchip_pmu_info *info;
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struct mutex mutex; /* mutex lock for pmu */
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struct genpd_onecell_data genpd_data;
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struct generic_pm_domain *domains[];
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};
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#define to_rockchip_pd(gpd) container_of(gpd, struct rockchip_pm_domain, genpd)
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#define DOMAIN(pwr, status, req, idle, ack, wakeup) \
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{ \
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.pwr_mask = (pwr >= 0) ? BIT(pwr) : 0, \
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.status_mask = (status >= 0) ? BIT(status) : 0, \
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.req_mask = (req >= 0) ? BIT(req) : 0, \
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.idle_mask = (idle >= 0) ? BIT(idle) : 0, \
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.ack_mask = (ack >= 0) ? BIT(ack) : 0, \
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.active_wakeup = wakeup, \
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}
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#define DOMAIN_M(pwr, status, req, idle, ack, wakeup) \
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{ \
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.pwr_w_mask = (pwr >= 0) ? BIT(pwr + 16) : 0, \
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.pwr_mask = (pwr >= 0) ? BIT(pwr) : 0, \
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.status_mask = (status >= 0) ? BIT(status) : 0, \
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.req_w_mask = (req >= 0) ? BIT(req + 16) : 0, \
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.req_mask = (req >= 0) ? BIT(req) : 0, \
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.idle_mask = (idle >= 0) ? BIT(idle) : 0, \
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.ack_mask = (ack >= 0) ? BIT(ack) : 0, \
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.active_wakeup = wakeup, \
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}
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#define DOMAIN_RK3036(req, ack, idle, wakeup) \
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{ \
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.req_mask = (req >= 0) ? BIT(req) : 0, \
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.req_w_mask = (req >= 0) ? BIT(req + 16) : 0, \
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.ack_mask = (ack >= 0) ? BIT(ack) : 0, \
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.idle_mask = (idle >= 0) ? BIT(idle) : 0, \
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.active_wakeup = wakeup, \
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}
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#define DOMAIN_PX30(pwr, status, req, wakeup) \
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DOMAIN_M(pwr, status, req, (req) + 16, req, wakeup)
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#define DOMAIN_RK3288(pwr, status, req, wakeup) \
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DOMAIN(pwr, status, req, req, (req) + 16, wakeup)
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#define DOMAIN_RK3328(pwr, status, req, wakeup) \
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DOMAIN_M(pwr, pwr, req, (req) + 10, req, wakeup)
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#define DOMAIN_RK3368(pwr, status, req, wakeup) \
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DOMAIN(pwr, status, req, (req) + 16, req, wakeup)
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#define DOMAIN_RK3399(pwr, status, req, wakeup) \
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DOMAIN(pwr, status, req, req, req, wakeup)
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static bool rockchip_pmu_domain_is_idle(struct rockchip_pm_domain *pd)
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{
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struct rockchip_pmu *pmu = pd->pmu;
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const struct rockchip_domain_info *pd_info = pd->info;
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unsigned int val;
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regmap_read(pmu->regmap, pmu->info->idle_offset, &val);
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return (val & pd_info->idle_mask) == pd_info->idle_mask;
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}
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static unsigned int rockchip_pmu_read_ack(struct rockchip_pmu *pmu)
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{
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unsigned int val;
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regmap_read(pmu->regmap, pmu->info->ack_offset, &val);
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return val;
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}
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static int rockchip_pmu_set_idle_request(struct rockchip_pm_domain *pd,
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bool idle)
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{
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const struct rockchip_domain_info *pd_info = pd->info;
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struct generic_pm_domain *genpd = &pd->genpd;
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struct rockchip_pmu *pmu = pd->pmu;
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unsigned int target_ack;
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unsigned int val;
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bool is_idle;
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int ret;
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if (pd_info->req_mask == 0)
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return 0;
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else if (pd_info->req_w_mask)
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regmap_write(pmu->regmap, pmu->info->req_offset,
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idle ? (pd_info->req_mask | pd_info->req_w_mask) :
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pd_info->req_w_mask);
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else
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regmap_update_bits(pmu->regmap, pmu->info->req_offset,
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pd_info->req_mask, idle ? -1U : 0);
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dsb(sy);
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/* Wait util idle_ack = 1 */
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target_ack = idle ? pd_info->ack_mask : 0;
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ret = readx_poll_timeout_atomic(rockchip_pmu_read_ack, pmu, val,
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(val & pd_info->ack_mask) == target_ack,
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0, 10000);
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if (ret) {
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dev_err(pmu->dev,
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"failed to get ack on domain '%s', val=0x%x\n",
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genpd->name, val);
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return ret;
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}
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ret = readx_poll_timeout_atomic(rockchip_pmu_domain_is_idle, pd,
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is_idle, is_idle == idle, 0, 10000);
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if (ret) {
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dev_err(pmu->dev,
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"failed to set idle on domain '%s', val=%d\n",
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genpd->name, is_idle);
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return ret;
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}
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return 0;
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}
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static int rockchip_pmu_save_qos(struct rockchip_pm_domain *pd)
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{
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int i;
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for (i = 0; i < pd->num_qos; i++) {
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regmap_read(pd->qos_regmap[i],
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QOS_PRIORITY,
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&pd->qos_save_regs[0][i]);
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regmap_read(pd->qos_regmap[i],
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QOS_MODE,
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&pd->qos_save_regs[1][i]);
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regmap_read(pd->qos_regmap[i],
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QOS_BANDWIDTH,
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&pd->qos_save_regs[2][i]);
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regmap_read(pd->qos_regmap[i],
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QOS_SATURATION,
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&pd->qos_save_regs[3][i]);
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regmap_read(pd->qos_regmap[i],
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QOS_EXTCONTROL,
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&pd->qos_save_regs[4][i]);
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}
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return 0;
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}
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static int rockchip_pmu_restore_qos(struct rockchip_pm_domain *pd)
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{
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int i;
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for (i = 0; i < pd->num_qos; i++) {
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regmap_write(pd->qos_regmap[i],
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QOS_PRIORITY,
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pd->qos_save_regs[0][i]);
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regmap_write(pd->qos_regmap[i],
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QOS_MODE,
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pd->qos_save_regs[1][i]);
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regmap_write(pd->qos_regmap[i],
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QOS_BANDWIDTH,
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pd->qos_save_regs[2][i]);
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regmap_write(pd->qos_regmap[i],
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QOS_SATURATION,
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pd->qos_save_regs[3][i]);
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regmap_write(pd->qos_regmap[i],
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QOS_EXTCONTROL,
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pd->qos_save_regs[4][i]);
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}
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return 0;
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}
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static bool rockchip_pmu_domain_is_on(struct rockchip_pm_domain *pd)
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{
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struct rockchip_pmu *pmu = pd->pmu;
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unsigned int val;
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/* check idle status for idle-only domains */
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if (pd->info->status_mask == 0)
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return !rockchip_pmu_domain_is_idle(pd);
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regmap_read(pmu->regmap, pmu->info->status_offset, &val);
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/* 1'b0: power on, 1'b1: power off */
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return !(val & pd->info->status_mask);
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}
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static void rockchip_do_pmu_set_power_domain(struct rockchip_pm_domain *pd,
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bool on)
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{
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struct rockchip_pmu *pmu = pd->pmu;
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struct generic_pm_domain *genpd = &pd->genpd;
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bool is_on;
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if (pd->info->pwr_mask == 0)
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return;
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else if (pd->info->pwr_w_mask)
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regmap_write(pmu->regmap, pmu->info->pwr_offset,
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on ? pd->info->pwr_w_mask :
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(pd->info->pwr_mask | pd->info->pwr_w_mask));
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else
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regmap_update_bits(pmu->regmap, pmu->info->pwr_offset,
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pd->info->pwr_mask, on ? 0 : -1U);
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dsb(sy);
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if (readx_poll_timeout_atomic(rockchip_pmu_domain_is_on, pd, is_on,
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is_on == on, 0, 10000)) {
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dev_err(pmu->dev,
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"failed to set domain '%s', val=%d\n",
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genpd->name, is_on);
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return;
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}
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}
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static int rockchip_pd_power(struct rockchip_pm_domain *pd, bool power_on)
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{
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struct rockchip_pmu *pmu = pd->pmu;
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int ret;
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mutex_lock(&pmu->mutex);
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if (rockchip_pmu_domain_is_on(pd) != power_on) {
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ret = clk_bulk_enable(pd->num_clks, pd->clks);
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if (ret < 0) {
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dev_err(pmu->dev, "failed to enable clocks\n");
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mutex_unlock(&pmu->mutex);
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return ret;
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}
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if (!power_on) {
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rockchip_pmu_save_qos(pd);
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/* if powering down, idle request to NIU first */
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rockchip_pmu_set_idle_request(pd, true);
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}
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rockchip_do_pmu_set_power_domain(pd, power_on);
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if (power_on) {
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/* if powering up, leave idle mode */
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rockchip_pmu_set_idle_request(pd, false);
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rockchip_pmu_restore_qos(pd);
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}
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clk_bulk_disable(pd->num_clks, pd->clks);
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}
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mutex_unlock(&pmu->mutex);
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return 0;
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}
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static int rockchip_pd_power_on(struct generic_pm_domain *domain)
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{
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struct rockchip_pm_domain *pd = to_rockchip_pd(domain);
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return rockchip_pd_power(pd, true);
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}
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static int rockchip_pd_power_off(struct generic_pm_domain *domain)
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{
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struct rockchip_pm_domain *pd = to_rockchip_pd(domain);
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return rockchip_pd_power(pd, false);
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}
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static int rockchip_pd_attach_dev(struct generic_pm_domain *genpd,
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struct device *dev)
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{
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struct clk *clk;
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int i;
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int error;
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dev_dbg(dev, "attaching to power domain '%s'\n", genpd->name);
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error = pm_clk_create(dev);
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if (error) {
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dev_err(dev, "pm_clk_create failed %d\n", error);
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return error;
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}
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i = 0;
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while ((clk = of_clk_get(dev->of_node, i++)) && !IS_ERR(clk)) {
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dev_dbg(dev, "adding clock '%pC' to list of PM clocks\n", clk);
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error = pm_clk_add_clk(dev, clk);
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if (error) {
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dev_err(dev, "pm_clk_add_clk failed %d\n", error);
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clk_put(clk);
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pm_clk_destroy(dev);
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return error;
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}
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}
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return 0;
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}
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static void rockchip_pd_detach_dev(struct generic_pm_domain *genpd,
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struct device *dev)
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{
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dev_dbg(dev, "detaching from power domain '%s'\n", genpd->name);
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pm_clk_destroy(dev);
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}
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static int rockchip_pm_add_one_domain(struct rockchip_pmu *pmu,
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struct device_node *node)
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{
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const struct rockchip_domain_info *pd_info;
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struct rockchip_pm_domain *pd;
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struct device_node *qos_node;
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int i, j;
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u32 id;
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int error;
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error = of_property_read_u32(node, "reg", &id);
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if (error) {
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dev_err(pmu->dev,
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"%pOFn: failed to retrieve domain id (reg): %d\n",
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node, error);
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return -EINVAL;
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}
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if (id >= pmu->info->num_domains) {
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dev_err(pmu->dev, "%pOFn: invalid domain id %d\n",
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node, id);
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return -EINVAL;
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}
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pd_info = &pmu->info->domain_info[id];
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if (!pd_info) {
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dev_err(pmu->dev, "%pOFn: undefined domain id %d\n",
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node, id);
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return -EINVAL;
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}
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pd = devm_kzalloc(pmu->dev, sizeof(*pd), GFP_KERNEL);
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if (!pd)
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return -ENOMEM;
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pd->info = pd_info;
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pd->pmu = pmu;
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pd->num_clks = of_clk_get_parent_count(node);
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if (pd->num_clks > 0) {
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pd->clks = devm_kcalloc(pmu->dev, pd->num_clks,
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sizeof(*pd->clks), GFP_KERNEL);
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if (!pd->clks)
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return -ENOMEM;
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} else {
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dev_dbg(pmu->dev, "%pOFn: doesn't have clocks: %d\n",
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node, pd->num_clks);
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pd->num_clks = 0;
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}
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for (i = 0; i < pd->num_clks; i++) {
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pd->clks[i].clk = of_clk_get(node, i);
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if (IS_ERR(pd->clks[i].clk)) {
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error = PTR_ERR(pd->clks[i].clk);
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dev_err(pmu->dev,
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"%pOFn: failed to get clk at index %d: %d\n",
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node, i, error);
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return error;
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}
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}
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error = clk_bulk_prepare(pd->num_clks, pd->clks);
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if (error)
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goto err_put_clocks;
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pd->num_qos = of_count_phandle_with_args(node, "pm_qos",
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NULL);
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if (pd->num_qos > 0) {
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pd->qos_regmap = devm_kcalloc(pmu->dev, pd->num_qos,
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sizeof(*pd->qos_regmap),
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GFP_KERNEL);
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if (!pd->qos_regmap) {
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error = -ENOMEM;
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goto err_unprepare_clocks;
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}
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for (j = 0; j < MAX_QOS_REGS_NUM; j++) {
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pd->qos_save_regs[j] = devm_kcalloc(pmu->dev,
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pd->num_qos,
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sizeof(u32),
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GFP_KERNEL);
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if (!pd->qos_save_regs[j]) {
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error = -ENOMEM;
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goto err_unprepare_clocks;
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}
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}
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for (j = 0; j < pd->num_qos; j++) {
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qos_node = of_parse_phandle(node, "pm_qos", j);
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if (!qos_node) {
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error = -ENODEV;
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goto err_unprepare_clocks;
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}
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pd->qos_regmap[j] = syscon_node_to_regmap(qos_node);
|
|
if (IS_ERR(pd->qos_regmap[j])) {
|
|
error = -ENODEV;
|
|
of_node_put(qos_node);
|
|
goto err_unprepare_clocks;
|
|
}
|
|
of_node_put(qos_node);
|
|
}
|
|
}
|
|
|
|
error = rockchip_pd_power(pd, true);
|
|
if (error) {
|
|
dev_err(pmu->dev,
|
|
"failed to power on domain '%pOFn': %d\n",
|
|
node, error);
|
|
goto err_unprepare_clocks;
|
|
}
|
|
|
|
pd->genpd.name = node->name;
|
|
pd->genpd.power_off = rockchip_pd_power_off;
|
|
pd->genpd.power_on = rockchip_pd_power_on;
|
|
pd->genpd.attach_dev = rockchip_pd_attach_dev;
|
|
pd->genpd.detach_dev = rockchip_pd_detach_dev;
|
|
pd->genpd.flags = GENPD_FLAG_PM_CLK;
|
|
if (pd_info->active_wakeup)
|
|
pd->genpd.flags |= GENPD_FLAG_ACTIVE_WAKEUP;
|
|
pm_genpd_init(&pd->genpd, NULL, false);
|
|
|
|
pmu->genpd_data.domains[id] = &pd->genpd;
|
|
return 0;
|
|
|
|
err_unprepare_clocks:
|
|
clk_bulk_unprepare(pd->num_clks, pd->clks);
|
|
err_put_clocks:
|
|
clk_bulk_put(pd->num_clks, pd->clks);
|
|
return error;
|
|
}
|
|
|
|
static void rockchip_pm_remove_one_domain(struct rockchip_pm_domain *pd)
|
|
{
|
|
int ret;
|
|
|
|
/*
|
|
* We're in the error cleanup already, so we only complain,
|
|
* but won't emit another error on top of the original one.
|
|
*/
|
|
ret = pm_genpd_remove(&pd->genpd);
|
|
if (ret < 0)
|
|
dev_err(pd->pmu->dev, "failed to remove domain '%s' : %d - state may be inconsistent\n",
|
|
pd->genpd.name, ret);
|
|
|
|
clk_bulk_unprepare(pd->num_clks, pd->clks);
|
|
clk_bulk_put(pd->num_clks, pd->clks);
|
|
|
|
/* protect the zeroing of pm->num_clks */
|
|
mutex_lock(&pd->pmu->mutex);
|
|
pd->num_clks = 0;
|
|
mutex_unlock(&pd->pmu->mutex);
|
|
|
|
/* devm will free our memory */
|
|
}
|
|
|
|
static void rockchip_pm_domain_cleanup(struct rockchip_pmu *pmu)
|
|
{
|
|
struct generic_pm_domain *genpd;
|
|
struct rockchip_pm_domain *pd;
|
|
int i;
|
|
|
|
for (i = 0; i < pmu->genpd_data.num_domains; i++) {
|
|
genpd = pmu->genpd_data.domains[i];
|
|
if (genpd) {
|
|
pd = to_rockchip_pd(genpd);
|
|
rockchip_pm_remove_one_domain(pd);
|
|
}
|
|
}
|
|
|
|
/* devm will free our memory */
|
|
}
|
|
|
|
static void rockchip_configure_pd_cnt(struct rockchip_pmu *pmu,
|
|
u32 domain_reg_offset,
|
|
unsigned int count)
|
|
{
|
|
/* First configure domain power down transition count ... */
|
|
regmap_write(pmu->regmap, domain_reg_offset, count);
|
|
/* ... and then power up count. */
|
|
regmap_write(pmu->regmap, domain_reg_offset + 4, count);
|
|
}
|
|
|
|
static int rockchip_pm_add_subdomain(struct rockchip_pmu *pmu,
|
|
struct device_node *parent)
|
|
{
|
|
struct device_node *np;
|
|
struct generic_pm_domain *child_domain, *parent_domain;
|
|
int error;
|
|
|
|
for_each_child_of_node(parent, np) {
|
|
u32 idx;
|
|
|
|
error = of_property_read_u32(parent, "reg", &idx);
|
|
if (error) {
|
|
dev_err(pmu->dev,
|
|
"%pOFn: failed to retrieve domain id (reg): %d\n",
|
|
parent, error);
|
|
goto err_out;
|
|
}
|
|
parent_domain = pmu->genpd_data.domains[idx];
|
|
|
|
error = rockchip_pm_add_one_domain(pmu, np);
|
|
if (error) {
|
|
dev_err(pmu->dev, "failed to handle node %pOFn: %d\n",
|
|
np, error);
|
|
goto err_out;
|
|
}
|
|
|
|
error = of_property_read_u32(np, "reg", &idx);
|
|
if (error) {
|
|
dev_err(pmu->dev,
|
|
"%pOFn: failed to retrieve domain id (reg): %d\n",
|
|
np, error);
|
|
goto err_out;
|
|
}
|
|
child_domain = pmu->genpd_data.domains[idx];
|
|
|
|
error = pm_genpd_add_subdomain(parent_domain, child_domain);
|
|
if (error) {
|
|
dev_err(pmu->dev, "%s failed to add subdomain %s: %d\n",
|
|
parent_domain->name, child_domain->name, error);
|
|
goto err_out;
|
|
} else {
|
|
dev_dbg(pmu->dev, "%s add subdomain: %s\n",
|
|
parent_domain->name, child_domain->name);
|
|
}
|
|
|
|
rockchip_pm_add_subdomain(pmu, np);
|
|
}
|
|
|
|
return 0;
|
|
|
|
err_out:
|
|
of_node_put(np);
|
|
return error;
|
|
}
|
|
|
|
static int rockchip_pm_domain_probe(struct platform_device *pdev)
|
|
{
|
|
struct device *dev = &pdev->dev;
|
|
struct device_node *np = dev->of_node;
|
|
struct device_node *node;
|
|
struct device *parent;
|
|
struct rockchip_pmu *pmu;
|
|
const struct of_device_id *match;
|
|
const struct rockchip_pmu_info *pmu_info;
|
|
int error;
|
|
|
|
if (!np) {
|
|
dev_err(dev, "device tree node not found\n");
|
|
return -ENODEV;
|
|
}
|
|
|
|
match = of_match_device(dev->driver->of_match_table, dev);
|
|
if (!match || !match->data) {
|
|
dev_err(dev, "missing pmu data\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
pmu_info = match->data;
|
|
|
|
pmu = devm_kzalloc(dev,
|
|
struct_size(pmu, domains, pmu_info->num_domains),
|
|
GFP_KERNEL);
|
|
if (!pmu)
|
|
return -ENOMEM;
|
|
|
|
pmu->dev = &pdev->dev;
|
|
mutex_init(&pmu->mutex);
|
|
|
|
pmu->info = pmu_info;
|
|
|
|
pmu->genpd_data.domains = pmu->domains;
|
|
pmu->genpd_data.num_domains = pmu_info->num_domains;
|
|
|
|
parent = dev->parent;
|
|
if (!parent) {
|
|
dev_err(dev, "no parent for syscon devices\n");
|
|
return -ENODEV;
|
|
}
|
|
|
|
pmu->regmap = syscon_node_to_regmap(parent->of_node);
|
|
if (IS_ERR(pmu->regmap)) {
|
|
dev_err(dev, "no regmap available\n");
|
|
return PTR_ERR(pmu->regmap);
|
|
}
|
|
|
|
/*
|
|
* Configure power up and down transition delays for CORE
|
|
* and GPU domains.
|
|
*/
|
|
if (pmu_info->core_power_transition_time)
|
|
rockchip_configure_pd_cnt(pmu, pmu_info->core_pwrcnt_offset,
|
|
pmu_info->core_power_transition_time);
|
|
if (pmu_info->gpu_pwrcnt_offset)
|
|
rockchip_configure_pd_cnt(pmu, pmu_info->gpu_pwrcnt_offset,
|
|
pmu_info->gpu_power_transition_time);
|
|
|
|
error = -ENODEV;
|
|
|
|
for_each_available_child_of_node(np, node) {
|
|
error = rockchip_pm_add_one_domain(pmu, node);
|
|
if (error) {
|
|
dev_err(dev, "failed to handle node %pOFn: %d\n",
|
|
node, error);
|
|
of_node_put(node);
|
|
goto err_out;
|
|
}
|
|
|
|
error = rockchip_pm_add_subdomain(pmu, node);
|
|
if (error < 0) {
|
|
dev_err(dev, "failed to handle subdomain node %pOFn: %d\n",
|
|
node, error);
|
|
of_node_put(node);
|
|
goto err_out;
|
|
}
|
|
}
|
|
|
|
if (error) {
|
|
dev_dbg(dev, "no power domains defined\n");
|
|
goto err_out;
|
|
}
|
|
|
|
error = of_genpd_add_provider_onecell(np, &pmu->genpd_data);
|
|
if (error) {
|
|
dev_err(dev, "failed to add provider: %d\n", error);
|
|
goto err_out;
|
|
}
|
|
|
|
return 0;
|
|
|
|
err_out:
|
|
rockchip_pm_domain_cleanup(pmu);
|
|
return error;
|
|
}
|
|
|
|
static const struct rockchip_domain_info px30_pm_domains[] = {
|
|
[PX30_PD_USB] = DOMAIN_PX30(5, 5, 10, false),
|
|
[PX30_PD_SDCARD] = DOMAIN_PX30(8, 8, 9, false),
|
|
[PX30_PD_GMAC] = DOMAIN_PX30(10, 10, 6, false),
|
|
[PX30_PD_MMC_NAND] = DOMAIN_PX30(11, 11, 5, false),
|
|
[PX30_PD_VPU] = DOMAIN_PX30(12, 12, 14, false),
|
|
[PX30_PD_VO] = DOMAIN_PX30(13, 13, 7, false),
|
|
[PX30_PD_VI] = DOMAIN_PX30(14, 14, 8, false),
|
|
[PX30_PD_GPU] = DOMAIN_PX30(15, 15, 2, false),
|
|
};
|
|
|
|
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 rk3066_pm_domains[] = {
|
|
[RK3066_PD_GPU] = DOMAIN(9, 9, 3, 24, 29, false),
|
|
[RK3066_PD_VIDEO] = DOMAIN(8, 8, 4, 23, 28, false),
|
|
[RK3066_PD_VIO] = DOMAIN(7, 7, 5, 22, 27, false),
|
|
[RK3066_PD_PERI] = DOMAIN(6, 6, 2, 25, 30, false),
|
|
[RK3066_PD_CPU] = DOMAIN(-1, 5, 1, 26, 31, 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),
|
|
[RK3128_PD_VIO] = DOMAIN_RK3288(3, 3, 2, false),
|
|
[RK3128_PD_VIDEO] = DOMAIN_RK3288(2, 2, 1, false),
|
|
[RK3128_PD_GPU] = DOMAIN_RK3288(1, 1, 3, false),
|
|
};
|
|
|
|
static const struct rockchip_domain_info rk3188_pm_domains[] = {
|
|
[RK3188_PD_GPU] = DOMAIN(9, 9, 3, 24, 29, false),
|
|
[RK3188_PD_VIDEO] = DOMAIN(8, 8, 4, 23, 28, false),
|
|
[RK3188_PD_VIO] = DOMAIN(7, 7, 5, 22, 27, false),
|
|
[RK3188_PD_PERI] = DOMAIN(6, 6, 2, 25, 30, false),
|
|
[RK3188_PD_CPU] = DOMAIN(5, 5, 1, 26, 31, false),
|
|
};
|
|
|
|
static const struct rockchip_domain_info rk3228_pm_domains[] = {
|
|
[RK3228_PD_CORE] = DOMAIN_RK3036(0, 0, 16, true),
|
|
[RK3228_PD_MSCH] = DOMAIN_RK3036(1, 1, 17, true),
|
|
[RK3228_PD_BUS] = DOMAIN_RK3036(2, 2, 18, true),
|
|
[RK3228_PD_SYS] = DOMAIN_RK3036(3, 3, 19, true),
|
|
[RK3228_PD_VIO] = DOMAIN_RK3036(4, 4, 20, false),
|
|
[RK3228_PD_VOP] = DOMAIN_RK3036(5, 5, 21, false),
|
|
[RK3228_PD_VPU] = DOMAIN_RK3036(6, 6, 22, false),
|
|
[RK3228_PD_RKVDEC] = DOMAIN_RK3036(7, 7, 23, false),
|
|
[RK3228_PD_GPU] = DOMAIN_RK3036(8, 8, 24, false),
|
|
[RK3228_PD_PERI] = DOMAIN_RK3036(9, 9, 25, true),
|
|
[RK3228_PD_GMAC] = DOMAIN_RK3036(10, 10, 26, false),
|
|
};
|
|
|
|
static const struct rockchip_domain_info rk3288_pm_domains[] = {
|
|
[RK3288_PD_VIO] = DOMAIN_RK3288(7, 7, 4, false),
|
|
[RK3288_PD_HEVC] = DOMAIN_RK3288(14, 10, 9, false),
|
|
[RK3288_PD_VIDEO] = DOMAIN_RK3288(8, 8, 3, false),
|
|
[RK3288_PD_GPU] = DOMAIN_RK3288(9, 9, 2, false),
|
|
};
|
|
|
|
static const struct rockchip_domain_info rk3328_pm_domains[] = {
|
|
[RK3328_PD_CORE] = DOMAIN_RK3328(-1, 0, 0, false),
|
|
[RK3328_PD_GPU] = DOMAIN_RK3328(-1, 1, 1, false),
|
|
[RK3328_PD_BUS] = DOMAIN_RK3328(-1, 2, 2, true),
|
|
[RK3328_PD_MSCH] = DOMAIN_RK3328(-1, 3, 3, true),
|
|
[RK3328_PD_PERI] = DOMAIN_RK3328(-1, 4, 4, true),
|
|
[RK3328_PD_VIDEO] = DOMAIN_RK3328(-1, 5, 5, false),
|
|
[RK3328_PD_HEVC] = DOMAIN_RK3328(-1, 6, 6, false),
|
|
[RK3328_PD_VIO] = DOMAIN_RK3328(-1, 8, 8, false),
|
|
[RK3328_PD_VPU] = DOMAIN_RK3328(-1, 9, 9, false),
|
|
};
|
|
|
|
static const struct rockchip_domain_info rk3366_pm_domains[] = {
|
|
[RK3366_PD_PERI] = DOMAIN_RK3368(10, 10, 6, true),
|
|
[RK3366_PD_VIO] = DOMAIN_RK3368(14, 14, 8, false),
|
|
[RK3366_PD_VIDEO] = DOMAIN_RK3368(13, 13, 7, false),
|
|
[RK3366_PD_RKVDEC] = DOMAIN_RK3368(11, 11, 7, false),
|
|
[RK3366_PD_WIFIBT] = DOMAIN_RK3368(8, 8, 9, false),
|
|
[RK3366_PD_VPU] = DOMAIN_RK3368(12, 12, 7, false),
|
|
[RK3366_PD_GPU] = DOMAIN_RK3368(15, 15, 2, false),
|
|
};
|
|
|
|
static const struct rockchip_domain_info rk3368_pm_domains[] = {
|
|
[RK3368_PD_PERI] = DOMAIN_RK3368(13, 12, 6, true),
|
|
[RK3368_PD_VIO] = DOMAIN_RK3368(15, 14, 8, false),
|
|
[RK3368_PD_VIDEO] = DOMAIN_RK3368(14, 13, 7, false),
|
|
[RK3368_PD_GPU_0] = DOMAIN_RK3368(16, 15, 2, false),
|
|
[RK3368_PD_GPU_1] = DOMAIN_RK3368(17, 16, 2, false),
|
|
};
|
|
|
|
static const struct rockchip_domain_info rk3399_pm_domains[] = {
|
|
[RK3399_PD_TCPD0] = DOMAIN_RK3399(8, 8, -1, false),
|
|
[RK3399_PD_TCPD1] = DOMAIN_RK3399(9, 9, -1, false),
|
|
[RK3399_PD_CCI] = DOMAIN_RK3399(10, 10, -1, true),
|
|
[RK3399_PD_CCI0] = DOMAIN_RK3399(-1, -1, 15, true),
|
|
[RK3399_PD_CCI1] = DOMAIN_RK3399(-1, -1, 16, true),
|
|
[RK3399_PD_PERILP] = DOMAIN_RK3399(11, 11, 1, true),
|
|
[RK3399_PD_PERIHP] = DOMAIN_RK3399(12, 12, 2, true),
|
|
[RK3399_PD_CENTER] = DOMAIN_RK3399(13, 13, 14, true),
|
|
[RK3399_PD_VIO] = DOMAIN_RK3399(14, 14, 17, false),
|
|
[RK3399_PD_GPU] = DOMAIN_RK3399(15, 15, 0, false),
|
|
[RK3399_PD_VCODEC] = DOMAIN_RK3399(16, 16, 3, false),
|
|
[RK3399_PD_VDU] = DOMAIN_RK3399(17, 17, 4, false),
|
|
[RK3399_PD_RGA] = DOMAIN_RK3399(18, 18, 5, false),
|
|
[RK3399_PD_IEP] = DOMAIN_RK3399(19, 19, 6, false),
|
|
[RK3399_PD_VO] = DOMAIN_RK3399(20, 20, -1, false),
|
|
[RK3399_PD_VOPB] = DOMAIN_RK3399(-1, -1, 7, false),
|
|
[RK3399_PD_VOPL] = DOMAIN_RK3399(-1, -1, 8, false),
|
|
[RK3399_PD_ISP0] = DOMAIN_RK3399(22, 22, 9, false),
|
|
[RK3399_PD_ISP1] = DOMAIN_RK3399(23, 23, 10, false),
|
|
[RK3399_PD_HDCP] = DOMAIN_RK3399(24, 24, 11, false),
|
|
[RK3399_PD_GMAC] = DOMAIN_RK3399(25, 25, 23, true),
|
|
[RK3399_PD_EMMC] = DOMAIN_RK3399(26, 26, 24, true),
|
|
[RK3399_PD_USB3] = DOMAIN_RK3399(27, 27, 12, true),
|
|
[RK3399_PD_EDP] = DOMAIN_RK3399(28, 28, 22, false),
|
|
[RK3399_PD_GIC] = DOMAIN_RK3399(29, 29, 27, true),
|
|
[RK3399_PD_SD] = DOMAIN_RK3399(30, 30, 28, true),
|
|
[RK3399_PD_SDIOAUDIO] = DOMAIN_RK3399(31, 31, 29, true),
|
|
};
|
|
|
|
static const struct rockchip_pmu_info px30_pmu = {
|
|
.pwr_offset = 0x18,
|
|
.status_offset = 0x20,
|
|
.req_offset = 0x64,
|
|
.idle_offset = 0x6c,
|
|
.ack_offset = 0x6c,
|
|
|
|
.num_domains = ARRAY_SIZE(px30_pm_domains),
|
|
.domain_info = px30_pm_domains,
|
|
};
|
|
|
|
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 rk3066_pmu = {
|
|
.pwr_offset = 0x08,
|
|
.status_offset = 0x0c,
|
|
.req_offset = 0x38, /* PMU_MISC_CON1 */
|
|
.idle_offset = 0x0c,
|
|
.ack_offset = 0x0c,
|
|
|
|
.num_domains = ARRAY_SIZE(rk3066_pm_domains),
|
|
.domain_info = rk3066_pm_domains,
|
|
};
|
|
|
|
static const struct rockchip_pmu_info rk3128_pmu = {
|
|
.pwr_offset = 0x04,
|
|
.status_offset = 0x08,
|
|
.req_offset = 0x0c,
|
|
.idle_offset = 0x10,
|
|
.ack_offset = 0x10,
|
|
|
|
.num_domains = ARRAY_SIZE(rk3128_pm_domains),
|
|
.domain_info = rk3128_pm_domains,
|
|
};
|
|
|
|
static const struct rockchip_pmu_info rk3188_pmu = {
|
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.pwr_offset = 0x08,
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.status_offset = 0x0c,
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.req_offset = 0x38, /* PMU_MISC_CON1 */
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.idle_offset = 0x0c,
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.ack_offset = 0x0c,
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.num_domains = ARRAY_SIZE(rk3188_pm_domains),
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.domain_info = rk3188_pm_domains,
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};
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static const struct rockchip_pmu_info rk3228_pmu = {
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.req_offset = 0x40c,
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.idle_offset = 0x488,
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.ack_offset = 0x488,
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.num_domains = ARRAY_SIZE(rk3228_pm_domains),
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.domain_info = rk3228_pm_domains,
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};
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static const struct rockchip_pmu_info rk3288_pmu = {
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.pwr_offset = 0x08,
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.status_offset = 0x0c,
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.req_offset = 0x10,
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.idle_offset = 0x14,
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.ack_offset = 0x14,
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.core_pwrcnt_offset = 0x34,
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.gpu_pwrcnt_offset = 0x3c,
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.core_power_transition_time = 24, /* 1us */
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.gpu_power_transition_time = 24, /* 1us */
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.num_domains = ARRAY_SIZE(rk3288_pm_domains),
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.domain_info = rk3288_pm_domains,
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};
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static const struct rockchip_pmu_info rk3328_pmu = {
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.req_offset = 0x414,
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.idle_offset = 0x484,
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.ack_offset = 0x484,
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.num_domains = ARRAY_SIZE(rk3328_pm_domains),
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.domain_info = rk3328_pm_domains,
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};
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static const struct rockchip_pmu_info rk3366_pmu = {
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.pwr_offset = 0x0c,
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.status_offset = 0x10,
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.req_offset = 0x3c,
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.idle_offset = 0x40,
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.ack_offset = 0x40,
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.core_pwrcnt_offset = 0x48,
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.gpu_pwrcnt_offset = 0x50,
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.core_power_transition_time = 24,
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.gpu_power_transition_time = 24,
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.num_domains = ARRAY_SIZE(rk3366_pm_domains),
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.domain_info = rk3366_pm_domains,
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};
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static const struct rockchip_pmu_info rk3368_pmu = {
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.pwr_offset = 0x0c,
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.status_offset = 0x10,
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.req_offset = 0x3c,
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.idle_offset = 0x40,
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.ack_offset = 0x40,
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|
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.core_pwrcnt_offset = 0x48,
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.gpu_pwrcnt_offset = 0x50,
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.core_power_transition_time = 24,
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.gpu_power_transition_time = 24,
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|
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.num_domains = ARRAY_SIZE(rk3368_pm_domains),
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.domain_info = rk3368_pm_domains,
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};
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static const struct rockchip_pmu_info rk3399_pmu = {
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.pwr_offset = 0x14,
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.status_offset = 0x18,
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.req_offset = 0x60,
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.idle_offset = 0x64,
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.ack_offset = 0x68,
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/* ARM Trusted Firmware manages power transition times */
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.num_domains = ARRAY_SIZE(rk3399_pm_domains),
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.domain_info = rk3399_pm_domains,
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};
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static const struct of_device_id rockchip_pm_domain_dt_match[] = {
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{
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.compatible = "rockchip,px30-power-controller",
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.data = (void *)&px30_pmu,
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},
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{
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.compatible = "rockchip,rk3036-power-controller",
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.data = (void *)&rk3036_pmu,
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},
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{
|
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.compatible = "rockchip,rk3066-power-controller",
|
|
.data = (void *)&rk3066_pmu,
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},
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{
|
|
.compatible = "rockchip,rk3128-power-controller",
|
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.data = (void *)&rk3128_pmu,
|
|
},
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|
{
|
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.compatible = "rockchip,rk3188-power-controller",
|
|
.data = (void *)&rk3188_pmu,
|
|
},
|
|
{
|
|
.compatible = "rockchip,rk3228-power-controller",
|
|
.data = (void *)&rk3228_pmu,
|
|
},
|
|
{
|
|
.compatible = "rockchip,rk3288-power-controller",
|
|
.data = (void *)&rk3288_pmu,
|
|
},
|
|
{
|
|
.compatible = "rockchip,rk3328-power-controller",
|
|
.data = (void *)&rk3328_pmu,
|
|
},
|
|
{
|
|
.compatible = "rockchip,rk3366-power-controller",
|
|
.data = (void *)&rk3366_pmu,
|
|
},
|
|
{
|
|
.compatible = "rockchip,rk3368-power-controller",
|
|
.data = (void *)&rk3368_pmu,
|
|
},
|
|
{
|
|
.compatible = "rockchip,rk3399-power-controller",
|
|
.data = (void *)&rk3399_pmu,
|
|
},
|
|
{ /* sentinel */ },
|
|
};
|
|
|
|
static struct platform_driver rockchip_pm_domain_driver = {
|
|
.probe = rockchip_pm_domain_probe,
|
|
.driver = {
|
|
.name = "rockchip-pm-domain",
|
|
.of_match_table = rockchip_pm_domain_dt_match,
|
|
/*
|
|
* We can't forcibly eject devices form power domain,
|
|
* so we can't really remove power domains once they
|
|
* were added.
|
|
*/
|
|
.suppress_bind_attrs = true,
|
|
},
|
|
};
|
|
|
|
static int __init rockchip_pm_domain_drv_register(void)
|
|
{
|
|
return platform_driver_register(&rockchip_pm_domain_driver);
|
|
}
|
|
postcore_initcall(rockchip_pm_domain_drv_register);
|