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Wed, 11 Jun 2025 00:35:00 -0700 From: Shubhi Garg To: Lee Jones , Rob Herring , "Krzysztof Kozlowski" , Conor Dooley , "Catalin Marinas" , Will Deacon , "Alexandre Belloni" , <--to=jonathanh@nvidia.com> CC: , , , , Shubhi Garg Subject: [PATCH v3 2/6] arm64: tegra: Add device-tree node for NVVRS PSEQ Date: Wed, 11 Jun 2025 07:34:50 +0000 Message-ID: <20250611073454.978859-3-shgarg@nvidia.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250611073454.978859-1-shgarg@nvidia.com> References: <20250611073454.978859-1-shgarg@nvidia.com> Precedence: bulk X-Mailing-List: linux-rtc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-NV-OnPremToCloud: AnonymousSubmission X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BL6PEPF0001AB77:EE_|CYYPR12MB8704:EE_ X-MS-Office365-Filtering-Correlation-Id: 8058a4cf-87ed-461f-a60b-08dda8ba8163 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|36860700013|376014|7416014|82310400026; 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X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 11 Jun 2025 07:35:14.2622 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 8058a4cf-87ed-461f-a60b-08dda8ba8163 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.160];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: BL6PEPF0001AB77.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CYYPR12MB8704 Add NVIDIA VRS Power Sequencer device tree node for Tegra234 P3701 and P3767 platforms. Assign VRS RTC as primary RTC (rtc0). Signed-off-by: Shubhi Garg --- v3: - fixed device tree node name to generic "pmic@3c" v2: - added alias to assign VRS RTC to rtc0 - removed status node from VRS DTB node arch/arm64/boot/dts/nvidia/tegra234-p3701.dtsi | 11 +++++++++++ arch/arm64/boot/dts/nvidia/tegra234-p3767.dtsi | 15 +++++++++++++++ 2 files changed, 26 insertions(+) diff --git a/arch/arm64/boot/dts/nvidia/tegra234-p3701.dtsi b/arch/arm64/boot/dts/nvidia/tegra234-p3701.dtsi index 9086a0d010e5..f03785cd23bb 100644 --- a/arch/arm64/boot/dts/nvidia/tegra234-p3701.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra234-p3701.dtsi @@ -8,6 +8,7 @@ / { aliases { mmc0 = "/bus@0/mmc@3460000"; mmc1 = "/bus@0/mmc@3400000"; + rtc0 = "/bpmp/i2c/vrs@3c"; }; bus@0 { @@ -170,6 +171,16 @@ bpmp { i2c { status = "okay"; + pmic@3c { + compatible = "nvidia,vrs-pseq"; + reg = <0x3c>; + interrupt-parent = <&pmc>; + /* VRS Wake ID is 24 */ + interrupts = <24 IRQ_TYPE_LEVEL_LOW>; + interrupt-controller; + #interrupt-cells = <2>; + }; + thermal-sensor@4c { compatible = "ti,tmp451"; status = "okay"; diff --git a/arch/arm64/boot/dts/nvidia/tegra234-p3767.dtsi b/arch/arm64/boot/dts/nvidia/tegra234-p3767.dtsi index 84db7132e8fc..877c5c1bf9f2 100644 --- a/arch/arm64/boot/dts/nvidia/tegra234-p3767.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra234-p3767.dtsi @@ -7,6 +7,7 @@ / { aliases { mmc0 = "/bus@0/mmc@3400000"; + rtc0 = "/bpmp/i2c/vrs@3c"; }; bus@0 { @@ -121,6 +122,20 @@ pmc@c360000 { }; }; + bpmp { + i2c { + pmic@3c { + compatible = "nvidia,vrs-pseq"; + reg = <0x3c>; + interrupt-parent = <&pmc>; + /* VRS Wake ID is 24 */ + interrupts = <24 IRQ_TYPE_LEVEL_LOW>; + interrupt-controller; + #interrupt-cells = <2>; + }; + }; + }; + vdd_5v0_sys: regulator-vdd-5v0-sys { compatible = "regulator-fixed"; regulator-name = "VDD_5V0_SYS"; -- 2.43.0