linux-kernel - [PATCH 2/9] pmdomain: rockchip: Add support for RK3528

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Message-ID: <20250518220707.669515-3-jonas@kwiboo.se>
Date: Sun, 18 May 2025 22:06:49 +0000
From: Jonas Karlman <jonas@...boo.se>
To: Heiko Stuebner <heiko@...ech.de>,
	Ulf Hansson <ulf.hansson@...aro.org>
Cc: Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Yao Zi <ziyao@...root.org>,
	Chukun Pan <amadeus@....edu.cn>,
	linux-rockchip@...ts.infradead.org,
	linux-pm@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	Jonas Karlman <jonas@...boo.se>,
	linux-kernel@...r.kernel.org
Subject: [PATCH 2/9] pmdomain: rockchip: Add support for RK3528

Add configuration and power domains for RK3528 SoC.

Only PD_GPU can fully be powered down. PD_RKVDEC, PD_RKVENC, PD_VO and
PD_VPU are used by miscellaneous devices in RK3528.

Signed-off-by: Jonas Karlman <jonas@...boo.se>
---
 drivers/pmdomain/rockchip/pm-domains.c | 27 ++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/drivers/pmdomain/rockchip/pm-domains.c b/drivers/pmdomain/rockchip/pm-domains.c
index 4cce407bb1eb..242570c505fb 100644
--- a/drivers/pmdomain/rockchip/pm-domains.c
+++ b/drivers/pmdomain/rockchip/pm-domains.c
@@ -35,6 +35,7 @@
 #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,rk3528-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>
@@ -216,6 +217,9 @@ struct rockchip_pmu {
 #define DOMAIN_RK3399(name, pwr, status, req, wakeup)		\
 	DOMAIN(name, pwr, status, req, req, req, wakeup)
 
+#define DOMAIN_RK3528(name, pwr, req)		\
+	DOMAIN_M(name, pwr, pwr, req, req, req, false)
+
 #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)
 
@@ -1215,6 +1219,14 @@ 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 rk3528_pm_domains[] = {
+	[RK3528_PD_GPU]		= DOMAIN_RK3528("gpu",  BIT(0), BIT(4)),
+	[RK3528_PD_RKVDEC]	= DOMAIN_RK3528("vdec",      0, BIT(5)),
+	[RK3528_PD_RKVENC]	= DOMAIN_RK3528("venc",      0, BIT(6)),
+	[RK3528_PD_VO]		= DOMAIN_RK3528("vo",        0, BIT(7)),
+	[RK3528_PD_VPU]		= DOMAIN_RK3528("vpu",       0, BIT(8)),
+};
+
 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),
@@ -1428,6 +1440,17 @@ static const struct rockchip_pmu_info rk3399_pmu = {
 	.domain_info = rk3399_pm_domains,
 };
 
+static const struct rockchip_pmu_info rk3528_pmu = {
+	.pwr_offset = 0x1210,
+	.status_offset = 0x1230,
+	.req_offset = 0x1110,
+	.idle_offset = 0x1128,
+	.ack_offset = 0x1120,
+
+	.num_domains = ARRAY_SIZE(rk3528_pm_domains),
+	.domain_info = rk3528_pm_domains,
+};
+
 static const struct rockchip_pmu_info rk3562_pmu = {
 	.pwr_offset = 0x210,
 	.status_offset = 0x230,
@@ -1538,6 +1561,10 @@ static const struct of_device_id rockchip_pm_domain_dt_match[] = {
 		.compatible = "rockchip,rk3399-power-controller",
 		.data = (void *)&rk3399_pmu,
 	},
+	{
+		.compatible = "rockchip,rk3528-power-controller",
+		.data = (void *)&rk3528_pmu,
+	},
 	{
 		.compatible = "rockchip,rk3562-power-controller",
 		.data = (void *)&rk3562_pmu,
-- 
2.49.0