[PATCH v3 2/2] soc: rockchip: power-domain: add power domain support for rk3562

Kever Yang
2025-02-27T11:14:23Z

This driver is modified to support RK3562 SoC.
Add support to ungate clk.
Add support to shut down memory for rk3562.

Signed-off-by: Finley Xiao <finley.xiao@rock-chips.com>
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
---

Changes in v3: None
Changes in v2:
- update the header name

drivers/pmdomain/rockchip/pm-domains.c | 48 +++++++++++++++++++++++++-
1 file changed, 47 insertions(+), 1 deletion(-)

diff --git a/drivers/pmdomain/rockchip/pm-domains.c b/drivers/pmdomain/rockchip/pm-domains.c
index cb0f93800138..d05ec0a009a0 100644
--- a/drivers/pmdomain/rockchip/pm-domains.c
+++ b/drivers/pmdomain/rockchip/pm-domains.c
@@ -2,7 +2,7 @@
/*
* Rockchip Generic power domain support.
*
- * Copyright (c) 2015 ROCKCHIP, Co. Ltd.
+ * Copyright (c) 2015 Rockchip Electronics Co., Ltd.
*/

#include <linux/io.h>
@@ -32,6 +32,7 @@
#include <dt-bindings/power/rk3366-power.h>
#include <dt-bindings/power/rk3368-power.h>
#include <dt-bindings/power/rk3399-power.h>
+#include <dt-bindings/power/rockchip,rk3562-power.h>
#include <dt-bindings/power/rk3568-power.h>
#include <dt-bindings/power/rockchip,rk3576-power.h>
#include <dt-bindings/power/rk3588-power.h>
@@ -129,6 +130,20 @@ struct rockchip_pmu {
.active_wakeup = wakeup, \
}

+#define DOMAIN_M_G_SD(_name, pwr, status, req, idle, ack, g_mask, mem, wakeup, keepon) \
+{ \
+ .name = _name, \
+ .pwr_w_mask = (pwr) << 16, \
+ .pwr_mask = (pwr), \
+ .status_mask = (status), \
+ .req_w_mask = (req) << 16, \
+ .req_mask = (req), \
+ .idle_mask = (idle), \
+ .ack_mask = (ack), \
+ .clk_ungate_mask = (g_mask), \
+ .active_wakeup = wakeup, \
+}
+
#define DOMAIN_M_O_R(_name, p_offset, pwr, status, m_offset, m_status, r_status, r_offset, req, idle, ack, wakeup) \
{ \
.name = _name, \
@@ -194,6 +209,9 @@ struct rockchip_pmu {
#define DOMAIN_RK3399(name, pwr, status, req, wakeup) \
DOMAIN(name, pwr, status, req, req, req, wakeup)

+#define DOMAIN_RK3562(name, pwr, req, g_mask, mem, wakeup) \
+ DOMAIN_M_G_SD(name, pwr, pwr, req, req, req, g_mask, mem, wakeup, false)
+
#define DOMAIN_RK3568(name, pwr, req, wakeup) \
DOMAIN_M(name, pwr, pwr, req, req, req, wakeup)

@@ -1130,6 +1148,18 @@ static const struct rockchip_domain_info rk3399_pm_domains[] = {
[RK3399_PD_SDIOAUDIO] = DOMAIN_RK3399("sdioaudio", BIT(31), BIT(31), BIT(29), true),
};

+static const struct rockchip_domain_info rk3562_pm_domains[] = {
+ /* name pwr req g_mask mem wakeup */
+ [RK3562_PD_GPU] = DOMAIN_RK3562("gpu", BIT(0), BIT(1), BIT(1), 0, false),
+ [RK3562_PD_NPU] = DOMAIN_RK3562("npu", BIT(1), BIT(2), BIT(2), 0, false),
+ [RK3562_PD_VDPU] = DOMAIN_RK3562("vdpu", BIT(2), BIT(6), BIT(6), 0, false),
+ [RK3562_PD_VEPU] = DOMAIN_RK3562("vepu", BIT(3), BIT(7), BIT(7) | BIT(3), 0, false),
+ [RK3562_PD_RGA] = DOMAIN_RK3562("rga", BIT(4), BIT(5), BIT(5) | BIT(4), 0, false),
+ [RK3562_PD_VI] = DOMAIN_RK3562("vi", BIT(5), BIT(3), BIT(3), 0, false),
+ [RK3562_PD_VO] = DOMAIN_RK3562("vo", BIT(6), BIT(4), BIT(4), 16, false),
+ [RK3562_PD_PHP] = DOMAIN_RK3562("php", BIT(7), BIT(8), BIT(8), 0, false),
+};
+
static const struct rockchip_domain_info rk3568_pm_domains[] = {
[RK3568_PD_NPU] = DOMAIN_RK3568("npu", BIT(1), BIT(2), false),
[RK3568_PD_GPU] = DOMAIN_RK3568("gpu", BIT(0), BIT(1), false),
@@ -1331,6 +1361,18 @@ static const struct rockchip_pmu_info rk3399_pmu = {
.domain_info = rk3399_pm_domains,
};

+static const struct rockchip_pmu_info rk3562_pmu = {
+ .pwr_offset = 0x210,
+ .status_offset = 0x230,
+ .req_offset = 0x110,
+ .idle_offset = 0x128,
+ .ack_offset = 0x120,
+ .clk_ungate_offset = 0x140,
+
+ .num_domains = ARRAY_SIZE(rk3562_pm_domains),
+ .domain_info = rk3562_pm_domains,
+};
+
static const struct rockchip_pmu_info rk3568_pmu = {
.pwr_offset = 0xa0,
.status_offset = 0x98,
@@ -1429,6 +1471,10 @@ static const struct of_device_id rockchip_pm_domain_dt_match[] = {
.compatible = "rockchip,rk3399-power-controller",
.data = (void *)&rk3399_pmu,
},
+ {
+ .compatible = "rockchip,rk3562-power-controller",
+ .data = (void *)&rk3562_pmu,
+ },
{
.compatible = "rockchip,rk3568-power-controller",
.data = (void *)&rk3568_pmu,
--
2.25.1