Re: [PATCH v7 2/7] soc: rockchip: add header for suspend mode SIP interface

From: "Heiko Stübner" <heiko@sntech.de>
To: Rob Herring <robh+dt@kernel.org>,
	"James E . J . Bottomley" <James.Bottomley@hansenpartnership.com>,
	"Martin K . Petersen" <martin.petersen@oracle.com>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Ulf Hansson <ulf.hansson@linaro.org>,
	"Rafael J . Wysocki" <rafael@kernel.org>,
	Shawn Lin <shawn.lin@rock-chips.com>
Cc: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>,
	Alim Akhtar <alim.akhtar@samsung.com>,
	Avri Altman <avri.altman@wdc.com>,
	Bart Van Assche <bvanassche@acm.org>,
	YiFeng Zhao <zyf@rock-chips.com>, Liang Chen <cl@rock-chips.com>,
	linux-scsi@vger.kernel.org, linux-rockchip@lists.infradead.org,
	devicetree@vger.kernel.org, linux-pm@vger.kernel.org,
	Shawn Lin <shawn.lin@rock-chips.com>
Subject: Re: [PATCH v7 2/7] soc: rockchip: add header for suspend mode SIP interface
Date: Tue, 11 Feb 2025 08:35:01 +0100	[thread overview]
Message-ID: <5762938.0VBMTVartN@diego> (raw)
In-Reply-To: <1738736156-119203-3-git-send-email-shawn.lin@rock-chips.com>

Am Mittwoch, 5. Februar 2025, 07:15:51 MEZ schrieb Shawn Lin:
> 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@rock-chips.com>

Acked-by: Heiko Stuebner <heiko@sntech.de>

> ---
> 
> Changes in v7: None
> Changes in v6: None
> Changes in v5: None
> Changes in v4: None
> 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
>