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Fri, 12 Jun 2026 23:58:43 -0700 (PDT) From: MidG971 To: tomeu@tomeuvizoso.net, ogabbay@kernel.org, heiko@sntech.de, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, ulf.hansson@linaro.org Cc: dri-devel@lists.freedesktop.org, linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-pm@vger.kernel.org, iommu@lists.linux.dev, linux-kernel@vger.kernel.org, xxm@rock-chips.com, chaoyi.chen@rock-chips.com, finley.xiao@rock-chips.com, diederik@cknow-tech.com, jonas@kwiboo.se, Midgy BALON Subject: [RFC PATCH v4 9/9] pmdomain: rockchip: Add a regulator to the RK3568 NPU power domain Date: Sat, 13 Jun 2026 09:01:16 +0200 Message-Id: <20260613070116.438906-10-midgy971@gmail.com> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20260613070116.438906-1-midgy971@gmail.com> References: <20260613070116.438906-1-midgy971@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Midgy BALON The RK3568 NPU rail (vdd_npu) needs to be enabled before the domain is powered on and disabled after it is powered off. Give DOMAIN_RK3568 a regulator parameter (like DOMAIN_RK3588 already has) so the NPU domain can set need_regulator, letting genpd manage the rail wired up as the domain's domain-supply instead of marking it always-on in DT. Suggested-by: Chaoyi Chen Signed-off-by: Midgy BALON --- drivers/pmdomain/rockchip/pm-domains.c | 36 ++++++++++++++++++-------- 1 file changed, 25 insertions(+), 11 deletions(-) diff --git a/drivers/pmdomain/rockchip/pm-domains.c b/drivers/pmdomain/rockchip/pm-domains.c index 490bbb1d1d8e8..19db307e3811d 100644 --- a/drivers/pmdomain/rockchip/pm-domains.c +++ b/drivers/pmdomain/rockchip/pm-domains.c @@ -138,6 +138,20 @@ struct rockchip_pmu { .active_wakeup = wakeup, \ } +#define DOMAIN_M_R(_name, pwr, status, req, idle, ack, wakeup, regulator) \ +{ \ + .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), \ + .active_wakeup = wakeup, \ + .need_regulator = regulator, \ +} + #define DOMAIN_M_G(_name, pwr, status, req, idle, ack, g_mask, wakeup, keepon) \ { \ .name = _name, \ @@ -241,8 +255,8 @@ struct rockchip_pmu { #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) +#define DOMAIN_RK3568(name, pwr, req, wakeup, regulator) \ + DOMAIN_M_R(name, pwr, pwr, req, req, req, wakeup, regulator) #define DOMAIN_RK3576(name, p_offset, pwr, status, r_status, r_offset, req, idle, g_mask, wakeup) \ DOMAIN_M_O_R_G(name, p_offset, pwr, status, 0, r_status, r_status, r_offset, req, idle, idle, g_mask, wakeup) @@ -1274,15 +1288,15 @@ static const struct rockchip_domain_info rk3562_pm_domains[] = { }; 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), - [RK3568_PD_VI] = DOMAIN_RK3568("vi", BIT(6), BIT(3), false), - [RK3568_PD_VO] = DOMAIN_RK3568("vo", BIT(7), BIT(4), false), - [RK3568_PD_RGA] = DOMAIN_RK3568("rga", BIT(5), BIT(5), false), - [RK3568_PD_VPU] = DOMAIN_RK3568("vpu", BIT(2), BIT(6), false), - [RK3568_PD_RKVDEC] = DOMAIN_RK3568("vdec", BIT(4), BIT(8), false), - [RK3568_PD_RKVENC] = DOMAIN_RK3568("venc", BIT(3), BIT(7), false), - [RK3568_PD_PIPE] = DOMAIN_RK3568("pipe", BIT(8), BIT(11), false), + [RK3568_PD_NPU] = DOMAIN_RK3568("npu", BIT(1), BIT(2), false, true), + [RK3568_PD_GPU] = DOMAIN_RK3568("gpu", BIT(0), BIT(1), false, false), + [RK3568_PD_VI] = DOMAIN_RK3568("vi", BIT(6), BIT(3), false, false), + [RK3568_PD_VO] = DOMAIN_RK3568("vo", BIT(7), BIT(4), false, false), + [RK3568_PD_RGA] = DOMAIN_RK3568("rga", BIT(5), BIT(5), false, false), + [RK3568_PD_VPU] = DOMAIN_RK3568("vpu", BIT(2), BIT(6), false, false), + [RK3568_PD_RKVDEC] = DOMAIN_RK3568("vdec", BIT(4), BIT(8), false, false), + [RK3568_PD_RKVENC] = DOMAIN_RK3568("venc", BIT(3), BIT(7), false, false), + [RK3568_PD_PIPE] = DOMAIN_RK3568("pipe", BIT(8), BIT(11), false, false), }; static const struct rockchip_domain_info rk3576_pm_domains[] = { -- 2.39.5