From: Elliot Berman <quic_eberman@quicinc.com> To: Bjorn Andersson <andersson@kernel.org>, Konrad Dybcio <konrad.dybcio@linaro.org>, Sebastian Reichel <sre@kernel.org>, Rob Herring <robh@kernel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, Conor Dooley <conor+dt@kernel.org>, Vinod Koul <vkoul@kernel.org>, Andy Yan <andy.yan@rock-chips.com>, Lorenzo Pieralisi <lpieralisi@kernel.org>, "Mark Rutland" <mark.rutland@arm.com>, Bartosz Golaszewski <bartosz.golaszewski@linaro.org> Cc: Satya Durga Srinivasu Prabhala <quic_satyap@quicinc.com>, Melody Olvera <quic_molvera@quicinc.com>, Shivendra Pratap <quic_spratap@quicinc.com>, <devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>, <linux-arm-kernel@lists.infradead.org>, Florian Fainelli <florian.fainelli@broadcom.com>, <linux-pm@vger.kernel.org>, <linux-arm-msm@vger.kernel.org>, Elliot Berman <quic_eberman@quicinc.com> Subject: [PATCH v2 2/4] dt-bindings: arm: Document reboot mode magic Date: Sun, 14 Apr 2024 12:30:25 -0700 [thread overview] Message-ID: <20240414-arm-psci-system_reset2-vendor-reboots-v2-2-da9a055a648f@quicinc.com> (raw) In-Reply-To: <20240414-arm-psci-system_reset2-vendor-reboots-v2-0-da9a055a648f@quicinc.com> Add bindings to describe vendor-specific reboot modes. Values here correspond to valid parameters to vendor-specific reset types in PSCI SYSTEM_RESET2 call. Signed-off-by: Elliot Berman <quic_eberman@quicinc.com> --- Documentation/devicetree/bindings/arm/psci.yaml | 38 +++++++++++++++++++++++-- 1 file changed, 36 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/arm/psci.yaml b/Documentation/devicetree/bindings/arm/psci.yaml index cbb012e217ab..ac778274b3ac 100644 --- a/Documentation/devicetree/bindings/arm/psci.yaml +++ b/Documentation/devicetree/bindings/arm/psci.yaml @@ -137,8 +137,31 @@ allOf: required: - cpu_off - cpu_on - -additionalProperties: false + - if: + properties: + compatible: + contains: + const: arm,psci-1.0 + then: + allOf: + - $ref: /schemas/power/reset/reboot-mode.yaml# + - properties: + # "mode-normal" is just SYSTEM_RESET + mode-normal: false + - patternProperties: + "^mode-.*$": + items: + maxItems: 2 + description: | + Describes a vendor-specific reset type. The string after "mode-" + maps a reboot mode to the parameters in the PSCI SYSTEM_RESET2 call. + + Parameters are named mode-xxx = <type[, cookie]>, where xxx + is the name of the magic reboot mode, type is the lower 31 bits + of the reset_type, and, optionally, the cookie value. If the cookie + is not provided, it is defaulted to zero. + +unevaluatedProperties: false examples: - |+ @@ -261,4 +284,15 @@ examples: domain-idle-states = <&CLUSTER_RET>, <&CLUSTER_PWRDN>; }; }; + + - |+ + + // Case 5: SYSTEM_RESET2 vendor resets + psci { + compatible = "arm,psci-1.0"; + method = "smc"; + + mode-edl = <0>; + mode-bootloader = <1 2>; + }; ... -- 2.34.1
WARNING: multiple messages have this Message-ID (diff)
From: Elliot Berman <quic_eberman@quicinc.com> To: Bjorn Andersson <andersson@kernel.org>, Konrad Dybcio <konrad.dybcio@linaro.org>, Sebastian Reichel <sre@kernel.org>, Rob Herring <robh@kernel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, Conor Dooley <conor+dt@kernel.org>, Vinod Koul <vkoul@kernel.org>, Andy Yan <andy.yan@rock-chips.com>, Lorenzo Pieralisi <lpieralisi@kernel.org>, "Mark Rutland" <mark.rutland@arm.com>, Bartosz Golaszewski <bartosz.golaszewski@linaro.org> Cc: Satya Durga Srinivasu Prabhala <quic_satyap@quicinc.com>, Melody Olvera <quic_molvera@quicinc.com>, Shivendra Pratap <quic_spratap@quicinc.com>, <devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>, <linux-arm-kernel@lists.infradead.org>, Florian Fainelli <florian.fainelli@broadcom.com>, <linux-pm@vger.kernel.org>, <linux-arm-msm@vger.kernel.org>, Elliot Berman <quic_eberman@quicinc.com> Subject: [PATCH v2 2/4] dt-bindings: arm: Document reboot mode magic Date: Sun, 14 Apr 2024 12:30:25 -0700 [thread overview] Message-ID: <20240414-arm-psci-system_reset2-vendor-reboots-v2-2-da9a055a648f@quicinc.com> (raw) In-Reply-To: <20240414-arm-psci-system_reset2-vendor-reboots-v2-0-da9a055a648f@quicinc.com> Add bindings to describe vendor-specific reboot modes. Values here correspond to valid parameters to vendor-specific reset types in PSCI SYSTEM_RESET2 call. Signed-off-by: Elliot Berman <quic_eberman@quicinc.com> --- Documentation/devicetree/bindings/arm/psci.yaml | 38 +++++++++++++++++++++++-- 1 file changed, 36 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/arm/psci.yaml b/Documentation/devicetree/bindings/arm/psci.yaml index cbb012e217ab..ac778274b3ac 100644 --- a/Documentation/devicetree/bindings/arm/psci.yaml +++ b/Documentation/devicetree/bindings/arm/psci.yaml @@ -137,8 +137,31 @@ allOf: required: - cpu_off - cpu_on - -additionalProperties: false + - if: + properties: + compatible: + contains: + const: arm,psci-1.0 + then: + allOf: + - $ref: /schemas/power/reset/reboot-mode.yaml# + - properties: + # "mode-normal" is just SYSTEM_RESET + mode-normal: false + - patternProperties: + "^mode-.*$": + items: + maxItems: 2 + description: | + Describes a vendor-specific reset type. The string after "mode-" + maps a reboot mode to the parameters in the PSCI SYSTEM_RESET2 call. + + Parameters are named mode-xxx = <type[, cookie]>, where xxx + is the name of the magic reboot mode, type is the lower 31 bits + of the reset_type, and, optionally, the cookie value. If the cookie + is not provided, it is defaulted to zero. + +unevaluatedProperties: false examples: - |+ @@ -261,4 +284,15 @@ examples: domain-idle-states = <&CLUSTER_RET>, <&CLUSTER_PWRDN>; }; }; + + - |+ + + // Case 5: SYSTEM_RESET2 vendor resets + psci { + compatible = "arm,psci-1.0"; + method = "smc"; + + mode-edl = <0>; + mode-bootloader = <1 2>; + }; ... -- 2.34.1 _______________________________________________ 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:[~2024-04-14 19:32 UTC|newest] Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top 2024-04-14 19:30 [PATCH v2 0/4] Implement vendor resets for PSCI SYSTEM_RESET2 Elliot Berman 2024-04-14 19:30 ` Elliot Berman 2024-04-14 19:30 ` [PATCH v2 1/4] dt-bindings: power: reset: Convert mode-.* properties to array Elliot Berman 2024-04-14 19:30 ` Elliot Berman 2024-04-20 0:50 ` Krzysztof Kozlowski 2024-04-20 0:50 ` Krzysztof Kozlowski 2024-04-14 19:30 ` Elliot Berman [this message] 2024-04-14 19:30 ` [PATCH v2 2/4] dt-bindings: arm: Document reboot mode magic Elliot Berman 2024-04-15 19:34 ` Konrad Dybcio 2024-04-15 19:34 ` Konrad Dybcio 2024-04-16 9:30 ` Sudeep Holla 2024-04-16 9:30 ` Sudeep Holla 2024-04-16 12:32 ` Dmitry Baryshkov 2024-04-16 12:32 ` Dmitry Baryshkov 2024-04-14 19:30 ` [PATCH v2 3/4] firmware: psci: Read and use vendor reset types Elliot Berman 2024-04-14 19:30 ` Elliot Berman 2024-04-15 19:39 ` Konrad Dybcio 2024-04-15 19:39 ` Konrad Dybcio 2024-04-14 19:30 ` [PATCH v2 4/4] arm64: dts: qcom: Add PSCI SYSTEM_RESET2 types for qcm6490-idp Elliot Berman 2024-04-14 19:30 ` Elliot Berman 2024-04-14 23:13 ` Dmitry Baryshkov 2024-04-14 23:13 ` Dmitry Baryshkov 2024-04-15 0:32 ` Elliot Berman 2024-04-15 0:32 ` Elliot Berman 2024-04-15 19:42 ` Konrad Dybcio 2024-04-15 19:42 ` Konrad Dybcio 2024-04-16 1:11 ` Elliot Berman 2024-04-16 1:11 ` Elliot Berman 2024-04-16 9:35 ` [PATCH v2 0/4] Implement vendor resets for PSCI SYSTEM_RESET2 Sudeep Holla 2024-04-16 9:35 ` Sudeep Holla 2024-04-17 17:50 ` Florian Fainelli 2024-04-17 17:50 ` Florian Fainelli 2024-04-19 12:38 ` Sudeep Holla 2024-04-19 12:38 ` Sudeep Holla 2024-05-02 2:21 ` Elliot Berman 2024-05-02 2:21 ` Elliot Berman 2024-04-17 21:54 ` Elliot Berman 2024-04-17 21:54 ` Elliot Berman 2024-04-17 22:01 ` Florian Fainelli 2024-04-17 22:01 ` Florian Fainelli 2024-04-18 17:52 ` Elliot Berman 2024-04-18 17:52 ` Elliot Berman 2024-04-19 8:53 ` Sudeep Holla 2024-04-19 8:53 ` Sudeep Holla 2024-04-19 23:31 ` Elliot Berman 2024-04-19 23:31 ` Elliot Berman
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