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[2403:580a:80ed:0:4835:5a07:49e7:f115]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3276fcd6232sm1819708a91.16.2025.08.27.04.23.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 27 Aug 2025 04:23:52 -0700 (PDT) From: James Calligeros Date: Wed, 27 Aug 2025 21:22:43 +1000 Subject: [PATCH v2 09/11] arm64: dts: apple: t8103,t600x,t8112: Add SMC RTC node MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20250827-macsmc-subdevs-v2-9-ce5e99d54c28@gmail.com> References: <20250827-macsmc-subdevs-v2-0-ce5e99d54c28@gmail.com> In-Reply-To: <20250827-macsmc-subdevs-v2-0-ce5e99d54c28@gmail.com> To: Sven Peter , Janne Grunau , Alyssa Rosenzweig , Neal Gompa , Lee Jones , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Alexandre Belloni , Jean Delvare , Guenter Roeck , Dmitry Torokhov Cc: asahi@lists.linux.dev, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-rtc@vger.kernel.org, linux-hwmon@vger.kernel.org, linux-input@vger.kernel.org, James Calligeros X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=2246; i=jcalligeros99@gmail.com; h=from:subject:message-id; bh=EiTtOkgByvBW2d6W0dQC39cvCK54i0Vicx+v7DF1xC0=; b=owGbwMvMwCV2xczoYuD3ygTG02pJDBnrXjUfqK9yNp7KPavVUfxa7HWRk22b5T/YBDZPkz4gs WH+q0WdHaUsDGJcDLJiiiwbmoQ8Zhux3ewXqdwLM4eVCWQIAxenAEzEM4Lhf2nCvY7aB58Uv4v6 T3+7ce3SvVZX7+sWrFhSG/9s4Z76PbYMfzjfembO15MyPnt89Y6Q3f37jqjL8hRx+joxb9V9lPh sMzcA X-Developer-Key: i=jcalligeros99@gmail.com; a=openpgp; fpr=B08212489B3206D98F1479BDD43632D151F77960 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250827_122355_011234_C3E7EB9B X-CRM114-Status: UNSURE ( 9.70 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Sven Peter The System Manager Controller of all M1/M2 SoCs supports the RTC sub-device. Reviewed-by: Neal Gompa Signed-off-by: Sven Peter Signed-off-by: James Calligeros --- .../arm64/boot/dts/apple/t600x-die0.dtsi | 6 ++++++ arch/arm64/boot/dts/apple/t8103.dtsi | 6 ++++++ arch/arm64/boot/dts/apple/t8112.dtsi | 6 ++++++ 3 files changed, 18 insertions(+) diff --git a/arch/arm64/boot/dts/apple/t600x-die0.dtsi b/arch/arm64/boot/dts/apple/t600x-die0.dtsi index 3603b276a2abcfa6a730f58d5c6b9914f22f00b0..f715b19efd1679e5cd384a967d6e2a7c261ee679 100644 --- a/arch/arm64/boot/dts/apple/t600x-die0.dtsi +++ b/arch/arm64/boot/dts/apple/t600x-die0.dtsi @@ -44,6 +44,12 @@ smc_reboot: reboot { nvmem-cell-names = "shutdown_flag", "boot_stage", "boot_error_count", "panic_count"; }; + + rtc { + compatible = "apple,smc-rtc"; + nvmem-cells = <&rtc_offset>; + nvmem-cell-names = "rtc_offset"; + }; }; smc_mbox: mbox@290408000 { diff --git a/arch/arm64/boot/dts/apple/t8103.dtsi b/arch/arm64/boot/dts/apple/t8103.dtsi index 8b7b27887968741b745651e5133dffa7d8d20f6d..59f2678639cf47f469dc699c0ecb5b9e50a45ab1 100644 --- a/arch/arm64/boot/dts/apple/t8103.dtsi +++ b/arch/arm64/boot/dts/apple/t8103.dtsi @@ -916,6 +916,12 @@ smc_reboot: reboot { nvmem-cell-names = "shutdown_flag", "boot_stage", "boot_error_count", "panic_count"; }; + + rtc { + compatible = "apple,smc-rtc"; + nvmem-cells = <&rtc_offset>; + nvmem-cell-names = "rtc_offset"; + }; }; smc_mbox: mbox@23e408000 { diff --git a/arch/arm64/boot/dts/apple/t8112.dtsi b/arch/arm64/boot/dts/apple/t8112.dtsi index 3f79878b25af1f7760088aa552589494d67347fb..6bc3f58b06f703ed79578e89a030929a18d57796 100644 --- a/arch/arm64/boot/dts/apple/t8112.dtsi +++ b/arch/arm64/boot/dts/apple/t8112.dtsi @@ -919,6 +919,12 @@ smc_reboot: reboot { nvmem-cell-names = "shutdown_flag", "boot_stage", "boot_error_count", "panic_count"; }; + + rtc { + compatible = "apple,smc-rtc"; + nvmem-cells = <&rtc_offset>; + nvmem-cell-names = "rtc_offset"; + }; }; smc_mbox: mbox@23e408000 { -- 2.51.0