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Tue, 05 Mar 2024 18:04:02 +0000 (GMT) Received: from nasanex01c.na.qualcomm.com (nasanex01c.na.qualcomm.com [10.45.79.139]) by NASANPPMTA05.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 425I41rw002672 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 5 Mar 2024 18:04:01 GMT Received: from [10.216.51.173] (10.80.80.8) by nasanex01c.na.qualcomm.com (10.45.79.139) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.40; Tue, 5 Mar 2024 10:03:54 -0800 Message-ID: <399555e8-d8fa-46b7-8b15-3d3a4a30809b@quicinc.com> Date: Tue, 5 Mar 2024 23:33:54 +0530 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [RFC 3/3] arm64: dts: qcom: sa8775p-ride: Enable support for firmware managed resources Content-Language: en-US To: Krzysztof Kozlowski , , , , , , , , , , , , , , , , , , , , , References: <1709657858-8563-1-git-send-email-quic_sriramd@quicinc.com> <1709657858-8563-4-git-send-email-quic_sriramd@quicinc.com> From: Sriram Dash In-Reply-To: Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nasanex01c.na.qualcomm.com (10.45.79.139) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: JFe8K7NNoxsjQ6Lf6KJd1yzrCnww_POq X-Proofpoint-GUID: JFe8K7NNoxsjQ6Lf6KJd1yzrCnww_POq X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-03-05_15,2024-03-05_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 priorityscore=1501 malwarescore=0 mlxscore=0 adultscore=0 mlxlogscore=999 bulkscore=0 suspectscore=0 clxscore=1015 lowpriorityscore=0 impostorscore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2402120000 definitions=main-2403050143 On 3/5/2024 10:38 PM, Krzysztof Kozlowski wrote: > On 05/03/2024 17:57, Sriram Dash wrote: >> Establish the channel and domain mapping for the power domains to connect >> with firmware, enabling the firmware to handle the assigned resources. >> Since these delegated resources will remain invisible to the operating >> system, ensure that any references to them are removed. >> >> Signed-off-by: Sriram Dash >> --- >> arch/arm64/boot/dts/qcom/sa8775p-ride.dts | 96 +++++++++++++++++++++++++------ >> 1 file changed, 77 insertions(+), 19 deletions(-) > > Do not mix DTS patches with submissions to netdev or USB. > > Please put it inside your internal guides, so you will not be repeating > this over and over. > Sure. Will take care. Thanks. >> >> diff --git a/arch/arm64/boot/dts/qcom/sa8775p-ride.dts b/arch/arm64/boot/dts/qcom/sa8775p-ride.dts >> index 26ad05b..b6c9cac 100644 >> --- a/arch/arm64/boot/dts/qcom/sa8775p-ride.dts >> +++ b/arch/arm64/boot/dts/qcom/sa8775p-ride.dts >> @@ -764,8 +764,18 @@ >> }; >> >> &usb_0 { >> - pinctrl-names = "default"; >> - pinctrl-0 = <&usb0_en_state>; >> + /delete-property/ clocks; >> + /delete-property/ clock-names; >> + /delete-property/ assigned-clocks; >> + /delete-property/ assigned-clock-rates; >> + /delete-property/ required-opps; >> + /delete-property/ resets; >> + /delete-property/ interconnects; >> + /delete-property/ interconnect-names; >> + >> + power-domains = , ; > > This wasn't even tested. > This is tested with the specific power domains in place of . SCMI interface is used for the power domains. > Best regards, > Krzysztof >