From: Andrew Davis <afd@ti.com> To: Nishanth Menon <nm@ti.com>, Tero Kristo <kristo@kernel.org>, Santosh Shilimkar <ssantosh@kernel.org>, Rob Herring <robh+dt@kernel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, Conor Dooley <conor+dt@kernel.org>, Sebastian Reichel <sre@kernel.org>, Vignesh Raghavendra <vigneshr@ti.com> Cc: <linux-arm-kernel@lists.infradead.org>, <devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>, <linux-pm@vger.kernel.org>, Andrew Davis <afd@ti.com> Subject: [PATCH 01/12] dt-bindings: power: reset: Document ti,sci-reboot compatible Date: Wed, 31 Jan 2024 16:19:46 -0600 [thread overview] Message-ID: <20240131221957.213717-2-afd@ti.com> (raw) In-Reply-To: <20240131221957.213717-1-afd@ti.com> This calls into the system firmware using TI-SCI to reboot the system. Used as a fallback when PSCI is unable or not available to reboot the system. Signed-off-by: Andrew Davis <afd@ti.com> --- .../bindings/power/reset/ti,sci-reboot.yaml | 33 +++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 34 insertions(+) create mode 100644 Documentation/devicetree/bindings/power/reset/ti,sci-reboot.yaml diff --git a/Documentation/devicetree/bindings/power/reset/ti,sci-reboot.yaml b/Documentation/devicetree/bindings/power/reset/ti,sci-reboot.yaml new file mode 100644 index 0000000000000..aa628be33d122 --- /dev/null +++ b/Documentation/devicetree/bindings/power/reset/ti,sci-reboot.yaml @@ -0,0 +1,33 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/power/reset/ti,sci-reboot.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: TI-SCI reboot controller + +maintainers: + - Andrew Davis <afd@ti.com> + +description: | + Some TI SoCs contain a system controller (like the Power Management Micro + Controller (PMMC) on Keystone 66AK2G SoC) that are responsible for controlling + the state of the various hardware modules present on the SoC. Communication + between the host processor running an OS and the system controller happens + through a protocol called TI System Control Interface (TI-SCI protocol). + + This reboot controller node uses the TI SCI protocol to perform a device reboot. + + Must be a child node of the associated TI-SCI system controller node. + +properties: + compatible: + const: ti,sci-reboot + +additionalProperties: false + +examples: + - | + k3_reboot: reboot-controller { + compatible = "ti,sci-reboot"; + }; diff --git a/MAINTAINERS b/MAINTAINERS index 8999497011a26..45983bb174fe4 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -21751,6 +21751,7 @@ F: Documentation/devicetree/bindings/arm/keystone/ti,sci.yaml F: Documentation/devicetree/bindings/clock/ti,sci-clk.yaml F: Documentation/devicetree/bindings/interrupt-controller/ti,sci-inta.yaml F: Documentation/devicetree/bindings/interrupt-controller/ti,sci-intr.yaml +F: Documentation/devicetree/bindings/power/reset/ti,sci-reboot.yaml F: Documentation/devicetree/bindings/reset/ti,sci-reset.yaml F: Documentation/devicetree/bindings/soc/ti/sci-pm-domain.yaml F: drivers/clk/keystone/sci-clk.c -- 2.39.2
WARNING: multiple messages have this Message-ID (diff)
From: Andrew Davis <afd@ti.com> To: Nishanth Menon <nm@ti.com>, Tero Kristo <kristo@kernel.org>, Santosh Shilimkar <ssantosh@kernel.org>, Rob Herring <robh+dt@kernel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, Conor Dooley <conor+dt@kernel.org>, Sebastian Reichel <sre@kernel.org>, Vignesh Raghavendra <vigneshr@ti.com> Cc: <linux-arm-kernel@lists.infradead.org>, <devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>, <linux-pm@vger.kernel.org>, Andrew Davis <afd@ti.com> Subject: [PATCH 01/12] dt-bindings: power: reset: Document ti,sci-reboot compatible Date: Wed, 31 Jan 2024 16:19:46 -0600 [thread overview] Message-ID: <20240131221957.213717-2-afd@ti.com> (raw) In-Reply-To: <20240131221957.213717-1-afd@ti.com> This calls into the system firmware using TI-SCI to reboot the system. Used as a fallback when PSCI is unable or not available to reboot the system. Signed-off-by: Andrew Davis <afd@ti.com> --- .../bindings/power/reset/ti,sci-reboot.yaml | 33 +++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 34 insertions(+) create mode 100644 Documentation/devicetree/bindings/power/reset/ti,sci-reboot.yaml diff --git a/Documentation/devicetree/bindings/power/reset/ti,sci-reboot.yaml b/Documentation/devicetree/bindings/power/reset/ti,sci-reboot.yaml new file mode 100644 index 0000000000000..aa628be33d122 --- /dev/null +++ b/Documentation/devicetree/bindings/power/reset/ti,sci-reboot.yaml @@ -0,0 +1,33 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/power/reset/ti,sci-reboot.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: TI-SCI reboot controller + +maintainers: + - Andrew Davis <afd@ti.com> + +description: | + Some TI SoCs contain a system controller (like the Power Management Micro + Controller (PMMC) on Keystone 66AK2G SoC) that are responsible for controlling + the state of the various hardware modules present on the SoC. Communication + between the host processor running an OS and the system controller happens + through a protocol called TI System Control Interface (TI-SCI protocol). + + This reboot controller node uses the TI SCI protocol to perform a device reboot. + + Must be a child node of the associated TI-SCI system controller node. + +properties: + compatible: + const: ti,sci-reboot + +additionalProperties: false + +examples: + - | + k3_reboot: reboot-controller { + compatible = "ti,sci-reboot"; + }; diff --git a/MAINTAINERS b/MAINTAINERS index 8999497011a26..45983bb174fe4 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -21751,6 +21751,7 @@ F: Documentation/devicetree/bindings/arm/keystone/ti,sci.yaml F: Documentation/devicetree/bindings/clock/ti,sci-clk.yaml F: Documentation/devicetree/bindings/interrupt-controller/ti,sci-inta.yaml F: Documentation/devicetree/bindings/interrupt-controller/ti,sci-intr.yaml +F: Documentation/devicetree/bindings/power/reset/ti,sci-reboot.yaml F: Documentation/devicetree/bindings/reset/ti,sci-reset.yaml F: Documentation/devicetree/bindings/soc/ti/sci-pm-domain.yaml F: drivers/clk/keystone/sci-clk.c -- 2.39.2 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2024-01-31 22:20 UTC|newest] Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top 2024-01-31 22:19 [PATCH 00/12] Add TI-SCI reboot driver Andrew Davis 2024-01-31 22:19 ` Andrew Davis 2024-01-31 22:19 ` Andrew Davis [this message] 2024-01-31 22:19 ` [PATCH 01/12] dt-bindings: power: reset: Document ti,sci-reboot compatible Andrew Davis 2024-02-01 18:53 ` Conor Dooley 2024-02-01 18:53 ` Conor Dooley 2024-01-31 22:19 ` [PATCH 02/12] dt-bindings: arm: keystone: ti-sci: Add reboot-controller child node Andrew Davis 2024-01-31 22:19 ` Andrew Davis 2024-02-01 18:42 ` Conor Dooley 2024-02-01 18:42 ` Conor Dooley 2024-02-01 23:03 ` Rob Herring 2024-02-01 23:03 ` Rob Herring 2024-02-01 23:50 ` Andrew Davis 2024-02-01 23:50 ` Andrew Davis 2024-01-31 22:19 ` [PATCH 03/12] power: reset: Add TI-SCI reboot driver Andrew Davis 2024-01-31 22:19 ` Andrew Davis 2024-02-01 21:15 ` Nishanth Menon 2024-02-01 21:15 ` Nishanth Menon 2024-02-02 17:04 ` Sebastian Reichel 2024-02-02 17:04 ` Sebastian Reichel 2024-01-31 22:19 ` [PATCH 04/12] arm64: dts: ti: k3-am64: Add reboot-controller node Andrew Davis 2024-01-31 22:19 ` Andrew Davis 2024-01-31 22:19 ` [PATCH 05/12] arm64: dts: ti: k3-am62: " Andrew Davis 2024-01-31 22:19 ` Andrew Davis 2024-01-31 22:19 ` [PATCH 06/12] arm64: dts: ti: k3-am62a: " Andrew Davis 2024-01-31 22:19 ` Andrew Davis 2024-01-31 22:19 ` [PATCH 07/12] arm64: dts: ti: k3-am62p: " Andrew Davis 2024-01-31 22:19 ` Andrew Davis 2024-01-31 22:19 ` [PATCH 08/12] arm64: dts: ti: k3-am65: " Andrew Davis 2024-01-31 22:19 ` Andrew Davis 2024-01-31 22:19 ` [PATCH 09/12] arm64: dts: ti: k3-j7200: " Andrew Davis 2024-01-31 22:19 ` Andrew Davis 2024-01-31 22:19 ` [PATCH 10/12] arm64: dts: ti: k3-j721e: " Andrew Davis 2024-01-31 22:19 ` Andrew Davis 2024-01-31 22:19 ` [PATCH 11/12] arm64: dts: ti: k3-j721s2: " Andrew Davis 2024-01-31 22:19 ` Andrew Davis 2024-01-31 22:19 ` [PATCH 12/12] arm64: dts: ti: k3-j784s4: " Andrew Davis 2024-01-31 22:19 ` Andrew Davis 2024-02-01 21:14 ` [PATCH 00/12] Add TI-SCI reboot driver Nishanth Menon 2024-02-01 21:14 ` Nishanth Menon
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