linux-kernel - [PATCH v3 3/5] soc: rockchip: add header for suspend mode SIP interface

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Message-Id: <1728368130-37213-4-git-send-email-shawn.lin@rock-chips.com>
Date: Tue,  8 Oct 2024 14:15:28 +0800
From: Shawn Lin <shawn.lin@...k-chips.com>
To: Rob Herring <robh+dt@...nel.org>,
	"James E . J . Bottomley" <James.Bottomley@...senPartnership.com>,
	"Martin K . Petersen" <martin.petersen@...cle.com>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Ulf Hansson <ulf.hansson@...aro.org>,
	Heiko Stuebner <heiko@...ech.de>
Cc: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
	Alim Akhtar <alim.akhtar@...sung.com>,
	Avri Altman <avri.altman@....com>,
	Bart Van Assche <bvanassche@....org>,
	YiFeng Zhao <zyf@...k-chips.com>,
	Liang Chen <cl@...k-chips.com>,
	linux-scsi@...r.kernel.org,
	linux-rockchip@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-pm@...r.kernel.org,
	Shawn Lin <shawn.lin@...k-chips.com>
Subject: [PATCH v3 3/5] soc: rockchip: add header for suspend mode SIP interface

Add ROCKCHIP_SIP_SUSPEND_MODE to pass down parameters to Trusted Firmware
in order to decide suspend mode. Currently only add ROCKCHIP_SLEEP_PD_CONFIG
which teaches firmware to power down controllers or not.

Signed-off-by: Shawn Lin <shawn.lin@...k-chips.com>
---

Changes in v3: None
Changes in v2: None

 include/soc/rockchip/rockchip_sip.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/include/soc/rockchip/rockchip_sip.h b/include/soc/rockchip/rockchip_sip.h
index c46a9ae..501ad1f 100644
--- a/include/soc/rockchip/rockchip_sip.h
+++ b/include/soc/rockchip/rockchip_sip.h
@@ -6,6 +6,9 @@
 #ifndef __SOC_ROCKCHIP_SIP_H
 #define __SOC_ROCKCHIP_SIP_H
 
+#define ROCKCHIP_SIP_SUSPEND_MODE		0x82000003
+#define ROCKCHIP_SLEEP_PD_CONFIG		0xff
+
 #define ROCKCHIP_SIP_DRAM_FREQ			0x82000008
 #define ROCKCHIP_SIP_CONFIG_DRAM_INIT		0x00
 #define ROCKCHIP_SIP_CONFIG_DRAM_SET_RATE	0x01
-- 
2.7.4