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Sun, 14 Apr 2024 19:31:39 +0000 (GMT) Received: from nasanex01b.na.qualcomm.com (nasanex01b.na.qualcomm.com [10.46.141.250]) by NASANPPMTA02.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 43EJVc7o023182 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Sun, 14 Apr 2024 19:31:38 GMT Received: from hu-eberman-lv.qualcomm.com (10.49.16.6) by nasanex01b.na.qualcomm.com (10.46.141.250) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Sun, 14 Apr 2024 12:30:30 -0700 From: Elliot Berman Date: Sun, 14 Apr 2024 12:30:24 -0700 Subject: [PATCH v2 1/4] dt-bindings: power: reset: Convert mode-.* properties to array Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <20240414-arm-psci-system_reset2-vendor-reboots-v2-1-da9a055a648f@quicinc.com> References: <20240414-arm-psci-system_reset2-vendor-reboots-v2-0-da9a055a648f@quicinc.com> In-Reply-To: <20240414-arm-psci-system_reset2-vendor-reboots-v2-0-da9a055a648f@quicinc.com> To: Bjorn Andersson , Konrad Dybcio , Sebastian Reichel , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Vinod Koul , Andy Yan , Lorenzo Pieralisi , "Mark Rutland" , Bartosz Golaszewski CC: Satya Durga Srinivasu Prabhala , Melody Olvera , Shivendra Pratap , , , , Florian Fainelli , , , Elliot Berman X-Mailer: b4 0.12.4 X-ClientProxiedBy: nalasex01c.na.qualcomm.com (10.47.97.35) To nasanex01b.na.qualcomm.com (10.46.141.250) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: mkgvUQWw8D5bEW0tQR8zx67JxPSXDf5e X-Proofpoint-GUID: mkgvUQWw8D5bEW0tQR8zx67JxPSXDf5e X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-04-14_08,2024-04-09_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 phishscore=0 mlxlogscore=999 adultscore=0 suspectscore=0 malwarescore=0 spamscore=0 lowpriorityscore=0 impostorscore=0 priorityscore=1501 clxscore=1011 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2404010003 definitions=main-2404140142 PSCI reboot mode will map a mode name to multiple magic values instead of just one. Convert the mode-.* property to an array. Users of the reboot-mode schema will need to specify the maxItems of the mode-.* properties. Existing users will all be 1. Signed-off-by: Elliot Berman --- .../devicetree/bindings/power/reset/nvmem-reboot-mode.yaml | 4 ++++ Documentation/devicetree/bindings/power/reset/qcom,pon.yaml | 4 ++++ .../devicetree/bindings/power/reset/reboot-mode.yaml | 12 ++++++++++-- .../devicetree/bindings/power/reset/syscon-reboot-mode.yaml | 4 ++++ 4 files changed, 22 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/power/reset/nvmem-reboot-mode.yaml b/Documentation/devicetree/bindings/power/reset/nvmem-reboot-mode.yaml index 627f8a6078c2..03b3b9be36de 100644 --- a/Documentation/devicetree/bindings/power/reset/nvmem-reboot-mode.yaml +++ b/Documentation/devicetree/bindings/power/reset/nvmem-reboot-mode.yaml @@ -30,6 +30,10 @@ properties: allOf: - $ref: reboot-mode.yaml# + - patternProperties: + "^mode-.*$": + items: + maxItems: 1 required: - compatible diff --git a/Documentation/devicetree/bindings/power/reset/qcom,pon.yaml b/Documentation/devicetree/bindings/power/reset/qcom,pon.yaml index fc8105a7b9b2..95964e04d5d6 100644 --- a/Documentation/devicetree/bindings/power/reset/qcom,pon.yaml +++ b/Documentation/devicetree/bindings/power/reset/qcom,pon.yaml @@ -68,6 +68,10 @@ allOf: then: allOf: - $ref: reboot-mode.yaml# + - patternProperties: + "^mode-.*$": + items: + maxItems: 1 properties: reg: diff --git a/Documentation/devicetree/bindings/power/reset/reboot-mode.yaml b/Documentation/devicetree/bindings/power/reset/reboot-mode.yaml index ad0a0b95cec1..b9617b8880c3 100644 --- a/Documentation/devicetree/bindings/power/reset/reboot-mode.yaml +++ b/Documentation/devicetree/bindings/power/reset/reboot-mode.yaml @@ -28,13 +28,21 @@ description: | properties: mode-normal: - $ref: /schemas/types.yaml#/definitions/uint32 + $ref: "#/patternProperties/^mode-.*$" description: Default value to set on a reboot if no command was provided. patternProperties: "^mode-.*$": - $ref: /schemas/types.yaml#/definitions/uint32 + $ref: /schemas/types.yaml#/definitions/uint32-matrix + # Note: to reference this schema, the allOf should include hint about + # maxItems for the inner cell + # allOf: + # - $ref: /schemas/power/reset/reboot-mode.yaml# + # - patternProperties: + # "^mode-.*$": + # items: + # maxItems: 1 additionalProperties: true diff --git a/Documentation/devicetree/bindings/power/reset/syscon-reboot-mode.yaml b/Documentation/devicetree/bindings/power/reset/syscon-reboot-mode.yaml index b6acff199cde..bf6d68355e7f 100644 --- a/Documentation/devicetree/bindings/power/reset/syscon-reboot-mode.yaml +++ b/Documentation/devicetree/bindings/power/reset/syscon-reboot-mode.yaml @@ -31,6 +31,10 @@ properties: allOf: - $ref: reboot-mode.yaml# + - patternProperties: + "^mode-.*$": + items: + maxItems: 1 unevaluatedProperties: false From patchwork Sun Apr 14 19:30:25 2024 Content-Type: text/plain; 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Sun, 14 Apr 2024 19:31:40 +0000 (GMT) Received: from nasanex01b.na.qualcomm.com (nasanex01b.na.qualcomm.com [10.46.141.250]) by NASANPPMTA02.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 43EJVc7p023182 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Sun, 14 Apr 2024 19:31:39 GMT Received: from hu-eberman-lv.qualcomm.com (10.49.16.6) by nasanex01b.na.qualcomm.com (10.46.141.250) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Sun, 14 Apr 2024 12:30:30 -0700 From: Elliot Berman Date: Sun, 14 Apr 2024 12:30:25 -0700 Subject: [PATCH v2 2/4] dt-bindings: arm: Document reboot mode magic Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <20240414-arm-psci-system_reset2-vendor-reboots-v2-2-da9a055a648f@quicinc.com> References: <20240414-arm-psci-system_reset2-vendor-reboots-v2-0-da9a055a648f@quicinc.com> In-Reply-To: <20240414-arm-psci-system_reset2-vendor-reboots-v2-0-da9a055a648f@quicinc.com> To: Bjorn Andersson , Konrad Dybcio , Sebastian Reichel , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Vinod Koul , Andy Yan , Lorenzo Pieralisi , "Mark Rutland" , Bartosz Golaszewski CC: Satya Durga Srinivasu Prabhala , Melody Olvera , Shivendra Pratap , , , , Florian Fainelli , , , Elliot Berman X-Mailer: b4 0.12.4 X-ClientProxiedBy: nalasex01c.na.qualcomm.com (10.47.97.35) To nasanex01b.na.qualcomm.com (10.46.141.250) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: yz5wiYonQyBJ0Axp5BpKRu3FExRY3kMt X-Proofpoint-GUID: yz5wiYonQyBJ0Axp5BpKRu3FExRY3kMt X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-04-14_08,2024-04-09_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 bulkscore=0 mlxscore=0 malwarescore=0 clxscore=1015 lowpriorityscore=0 spamscore=0 mlxlogscore=999 suspectscore=0 impostorscore=0 adultscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2404010003 definitions=main-2404140142 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 --- 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 = , 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>; + }; ...