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SFHDAG3NODE1.st.com (10.75.127.7) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Thu, 21 Nov 2019 10:52:57 +0100 From: Arnaud Pouliquen To: Rob Herring , Mark Rutland , Alexandre Torgue Subject: [PATCH v2] dt-bindings: remoteproc: convert stm32-rproc to json-schema Date: Thu, 21 Nov 2019 10:52:25 +0100 Message-ID: <20191121095225.26775-1-arnaud.pouliquen@st.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 X-Originating-IP: [10.75.127.44] X-ClientProxiedBy: SFHDAG6NODE2.st.com (10.75.127.17) To SFHDAG3NODE1.st.com (10.75.127.7) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.95,18.0.572 definitions=2019-11-21_01:2019-11-21,2019-11-21 signatures=0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191121_015305_697412_A0B49B64 X-CRM114-Status: GOOD ( 21.44 ) X-Spam-Score: -0.9 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (-0.9 points) pts rule name 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"linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Convert the STM32 remoteproc bindings to DT schema format using json-schema Signed-off-by: Arnaud Pouliquen --- .../bindings/remoteproc/st,stm32-rproc.yaml | 131 ++++++++++++++++++ .../bindings/remoteproc/stm32-rproc.txt | 63 --------- 2 files changed, 131 insertions(+), 63 deletions(-) create mode 100644 Documentation/devicetree/bindings/remoteproc/st,stm32-rproc.yaml delete mode 100644 Documentation/devicetree/bindings/remoteproc/stm32-rproc.txt diff --git a/Documentation/devicetree/bindings/remoteproc/st,stm32-rproc.yaml b/Documentation/devicetree/bindings/remoteproc/st,stm32-rproc.yaml new file mode 100644 index 000000000000..13c2d06c2e0f --- /dev/null +++ b/Documentation/devicetree/bindings/remoteproc/st,stm32-rproc.yaml @@ -0,0 +1,131 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/remoteproc/st,stm32-rproc.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: STMicroelectronics STM32 remote processor controller bindings + +description: + This document defines the binding for the remoteproc component that loads and + boots firmwares on the ST32MP family chipset. + +maintainers: + - Fabien Dessenne + - Arnaud Pouliquen + + +allOf: + - $ref: /schemas/mbox/mbox-consumer.yaml# + +properties: + compatible: + const: st,stm32mp1-m4 + + reg: + description: + Address ranges of the RETRAM and MCU SRAM memories used by the remote + processor. + maxItems: 3 + + resets: + maxItems: 1 + + st,syscfg-holdboot: + allOf: + - $ref: "/schemas/types.yaml#/definitions/phandle-array" + description: remote processor reset hold boot + - Phandle of syscon block. + - The offset of the hold boot setting register. + - The field mask of the hold boot. + maxItems: 1 + + st,syscfg-tz: + allOf: + - $ref: "/schemas/types.yaml#/definitions/phandle-array" + description: + Reference to the system configuration which holds the RCC trust zone mode + - Phandle of syscon block. + - The offset of the RCC trust zone mode register. + - The field mask of the RCC trust zone mode. + maxItems: 1 + + interrupts: + description: Should contain the WWDG1 watchdog reset interrupt + maxItems: 1 + + mboxes: + description: + This property is required only if the rpmsg/virtio functionality is used. + items: + - description: | + A channel (a) used to communicate through virtqueues with the + remote proc. + Bi-directional channel: + - from local to remote = send message + - from remote to local = send message ack + - description: | + A channel (b) working the opposite direction of channel (a) + - description: | + A channel (c) used by the local proc to notify the remote proc that it + is about to be shut down. + Unidirectional channel: + - from local to remote, where ACK from the remote means that it is + ready for shutdown + maxItems: 3 + + mbox-names: + items: + - const: vq0 + - const: vq1 + - const: shutdown + minItems: 1 + maxItems: 3 + + memory-region: + description: + List of phandles to the reserved memory regions associated with the + remoteproc device. This is variable and describes the memories shared with + the remote processor (e.g. remoteproc firmware and carveouts, rpmsg + vrings, ...). + (see ../reserved-memory/reserved-memory.txt) + + st,syscfg-pdds: + allOf: + - $ref: "/schemas/types.yaml#/definitions/phandle-array" + description: | + Reference to the system configuration which holds the remote + 1st cell: phandle to syscon block + 2nd cell: register offset containing the deep sleep setting + 3rd cell: register bitmask for the deep sleep bit + maxItems: 1 + + st,auto-boot: + $ref: /schemas/types.yaml#/definitions/flag + description: + If defined, when remoteproc is probed, it loads the default firmware and + starts the remote processor. + +required: + - compatible + - reg + - resets + - st,syscfg-holdboot + - st,syscfg-tz + +additionalProperties: false + +examples: + - | + #include + m4_rproc: m4@10000000 { + compatible = "st,stm32mp1-m4"; + reg = <0x10000000 0x40000>, + <0x30000000 0x40000>, + <0x38000000 0x10000>; + resets = <&rcc MCU_R>; + st,syscfg-holdboot = <&rcc 0x10C 0x1>; + st,syscfg-tz = <&rcc 0x000 0x1>; + }; + +... diff --git a/Documentation/devicetree/bindings/remoteproc/stm32-rproc.txt b/Documentation/devicetree/bindings/remoteproc/stm32-rproc.txt deleted file mode 100644 index 5fa915a4b736..000000000000 --- a/Documentation/devicetree/bindings/remoteproc/stm32-rproc.txt +++ /dev/null @@ -1,63 +0,0 @@ -STMicroelectronics STM32 Remoteproc ------------------------------------ -This document defines the binding for the remoteproc component that loads and -boots firmwares on the ST32MP family chipset. - -Required properties: -- compatible: Must be "st,stm32mp1-m4" -- reg: Address ranges of the RETRAM and MCU SRAM memories used by the - remote processor. -- resets: Reference to a reset controller asserting the remote processor. -- st,syscfg-holdboot: Reference to the system configuration which holds the - remote processor reset hold boot - 1st cell: phandle of syscon block - 2nd cell: register offset containing the hold boot setting - 3rd cell: register bitmask for the hold boot field -- st,syscfg-tz: Reference to the system configuration which holds the RCC trust - zone mode - 1st cell: phandle to syscon block - 2nd cell: register offset containing the RCC trust zone mode setting - 3rd cell: register bitmask for the RCC trust zone mode bit - -Optional properties: -- interrupts: Should contain the watchdog interrupt -- mboxes: This property is required only if the rpmsg/virtio functionality - is used. List of phandle and mailbox channel specifiers: - - a channel (a) used to communicate through virtqueues with the - remote proc. - Bi-directional channel: - - from local to remote = send message - - from remote to local = send message ack - - a channel (b) working the opposite direction of channel (a) - - a channel (c) used by the local proc to notify the remote proc - that it is about to be shut down. - Unidirectional channel: - - from local to remote, where ACK from the remote means - that it is ready for shutdown -- mbox-names: This property is required if the mboxes property is used. - - must be "vq0" for channel (a) - - must be "vq1" for channel (b) - - must be "shutdown" for channel (c) -- memory-region: List of phandles to the reserved memory regions associated with - the remoteproc device. This is variable and describes the - memories shared with the remote processor (eg: remoteproc - firmware and carveouts, rpmsg vrings, ...). - (see ../reserved-memory/reserved-memory.txt) -- st,syscfg-pdds: Reference to the system configuration which holds the remote - processor deep sleep setting - 1st cell: phandle to syscon block - 2nd cell: register offset containing the deep sleep setting - 3rd cell: register bitmask for the deep sleep bit -- st,auto-boot: If defined, when remoteproc is probed, it loads the default - firmware and starts the remote processor. - -Example: - m4_rproc: m4@10000000 { - compatible = "st,stm32mp1-m4"; - reg = <0x10000000 0x40000>, - <0x30000000 0x40000>, - <0x38000000 0x10000>; - resets = <&rcc MCU_R>; - st,syscfg-holdboot = <&rcc 0x10C 0x1>; - st,syscfg-tz = <&rcc 0x000 0x1>; - };