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[2403:580a:80ed:0:4835:5a07:49e7:f115]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-29498cf3f4asm4728885ad.11.2025.10.24.17.26.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 24 Oct 2025 17:26:10 -0700 (PDT) From: James Calligeros Date: Sat, 25 Oct 2025 10:24:41 +1000 Subject: [PATCH v4 10/11] arm64: dts: apple: t8103,t60xx,t8112: Add SMC RTC node Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20251025-macsmc-subdevs-v4-10-374d5c9eba0e@gmail.com> References: <20251025-macsmc-subdevs-v4-0-374d5c9eba0e@gmail.com> In-Reply-To: <20251025-macsmc-subdevs-v4-0-374d5c9eba0e@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=2GQnZlbwDgkFgLSJTTlkgGVtMUC2q8Y46wlmJNb88ZA=; b=owGbwMvMwCV2xczoYuD3ygTG02pJDBl/JM59fOHE8XGD1q5TTvfe1J0p3i1UNPndGn9/d7OLU d1ZTR9rOyayMIhxMViKKbJsaBLymG3EdrNfpHIvzBxWJpAh0iINDEDAwsCXm5hXaqRjpGeqbahn aKhjrGPEwMUpAFNteIiRYdmlmbkMnxU871/kSnOszjRcPnf5/0tbq3w+nJg8l2vSeQ1Ghlvlif/ yF+yz+2l6ZbLx3N8bhLcfEPusO+nlav2A3Ss3neQHAA== 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/dt= s/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 =3D "shutdown_flag", "boot_stage", "boot_error_count", "panic_count"; }; + + rtc { + compatible =3D "apple,smc-rtc"; + nvmem-cells =3D <&rtc_offset>; + nvmem-cell-names =3D "rtc_offset"; + }; }; =20 smc_mbox: mbox@290408000 { diff --git a/arch/arm64/boot/dts/apple/t602x-die0.dtsi b/arch/arm64/boot/dt= s/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 =3D "shutdown_flag", "boot_stage", "boot_error_count", "panic_count"; }; + + rtc { + compatible =3D "apple,smc-rtc"; + nvmem-cells =3D <&rtc_offset>; + nvmem-cell-names =3D "rtc_offset"; + }; }; =20 pinctrl_smc: pinctrl@2a2820000 { diff --git a/arch/arm64/boot/dts/apple/t8103.dtsi b/arch/arm64/boot/dts/app= le/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 =3D "shutdown_flag", "boot_stage", "boot_error_count", "panic_count"; }; + + rtc { + compatible =3D "apple,smc-rtc"; + nvmem-cells =3D <&rtc_offset>; + nvmem-cell-names =3D "rtc_offset"; + }; }; =20 smc_mbox: mbox@23e408000 { diff --git a/arch/arm64/boot/dts/apple/t8112.dtsi b/arch/arm64/boot/dts/app= le/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 =3D "shutdown_flag", "boot_stage", "boot_error_count", "panic_count"; }; + + rtc { + compatible =3D "apple,smc-rtc"; + nvmem-cells =3D <&rtc_offset>; + nvmem-cell-names =3D "rtc_offset"; + }; }; =20 smc_mbox: mbox@23e408000 { --=20 2.51.0