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[2403:580a:80ed:0:4835:5a07:49e7:f115]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2984dca0f28sm27386695ad.60.2025.11.12.03.18.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 12 Nov 2025 03:18:49 -0800 (PST) From: James Calligeros Date: Wed, 12 Nov 2025 21:16:56 +1000 Subject: [PATCH v5 10/11] arm64: dts: apple: t8103,t60xx,t8112: Add SMC RTC node Precedence: bulk X-Mailing-List: linux-hwmon@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20251112-macsmc-subdevs-v5-10-728e4b91fe81@gmail.com> References: <20251112-macsmc-subdevs-v5-0-728e4b91fe81@gmail.com> In-Reply-To: <20251112-macsmc-subdevs-v5-0-728e4b91fe81@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 , Jonathan Corbet , James Calligeros 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, linux-doc@vger.kernel.org X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=2689; i=jcalligeros99@gmail.com; h=from:subject:message-id; bh=WbLk+4olybI4wwc+d0lxY+Dd90gh9RgPWEprBEz0Yao=; b=owGbwMvMwCV2xczoYuD3ygTG02pJDJkiOcfOlYr8bFj60khS+5UQ9+ndU0LetjI3h5jenRAds vHv9vyajoksDGJcDJZiiiwbmoQ8Zhux3ewXqdwLM4eVCWSItEgDAxCwMPDlJuaVGukY6ZlqG+oZ GuoY6xgxcHEKwFTPsGBk2Hnku/XnVYdT5a8tbZ2TVdjOzRLv9rKet/G+5L3EV+bhcYwM3TMD+QP 1Wg9YbJ+ZoGimuWT1km1Luw48U79aPqHg7cRgRgA= X-Developer-Key: i=jcalligeros99@gmail.com; a=openpgp; fpr=B08212489B3206D98F1479BDD43632D151F77960 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 ++++++ .../arm64/boot/dts/apple/t602x-die0.dtsi | 6 ++++++ arch/arm64/boot/dts/apple/t8103.dtsi | 6 ++++++ arch/arm64/boot/dts/apple/t8112.dtsi | 6 ++++++ 4 files changed, 24 insertions(+) diff --git a/arch/arm64/boot/dts/apple/t600x-die0.dtsi b/arch/arm64/boot/dts/apple/t600x-die0.dtsi index 3603b276a2ab..f715b19efd16 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/t602x-die0.dtsi b/arch/arm64/boot/dts/apple/t602x-die0.dtsi index 2e7d2bf08ddc..8622ddea7b44 100644 --- a/arch/arm64/boot/dts/apple/t602x-die0.dtsi +++ b/arch/arm64/boot/dts/apple/t602x-die0.dtsi @@ -121,6 +121,12 @@ 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"; + }; }; pinctrl_smc: pinctrl@2a2820000 { diff --git a/arch/arm64/boot/dts/apple/t8103.dtsi b/arch/arm64/boot/dts/apple/t8103.dtsi index 8b7b27887968..59f2678639cf 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 3f79878b25af..6bc3f58b06f7 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 { -- 2.51.2