From: Cristian Marussi <cristian.marussi@arm.com> To: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, virtualization@lists.linux-foundation.org, virtio-dev@lists.oasis-open.org Cc: sudeep.holla@arm.com, james.quinlan@broadcom.com, Jonathan.Cameron@Huawei.com, f.fainelli@gmail.com, etienne.carriere@linaro.org, vincent.guittot@linaro.org, souvik.chakravarty@arm.com, cristian.marussi@arm.com, igor.skalkin@opensynergy.com, peter.hilber@opensynergy.com, alex.bennee@linaro.org, jean-philippe@linaro.org, mikhail.golubev@opensynergy.com, anton.yakovlev@opensynergy.com, Vasyl.Vavrychuk@opensynergy.com, Andriy.Tryshnivskyy@opensynergy.com Subject: [PATCH v6 16/17] dt-bindings: arm: Add virtio transport for SCMI Date: Mon, 12 Jul 2021 15:18:32 +0100 [thread overview] Message-ID: <20210712141833.6628-17-cristian.marussi@arm.com> (raw) In-Reply-To: <20210712141833.6628-1-cristian.marussi@arm.com> From: Igor Skalkin <igor.skalkin@opensynergy.com> Document the properties for arm,scmi-virtio compatible nodes. The backing virtio SCMI device is described in patch [1]. While doing that, make shmem property required only for pre-existing mailbox and smc transports, since virtio-scmi does not need it. [1] https://lists.oasis-open.org/archives/virtio-comment/202102/msg00018.html Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Igor Skalkin <igor.skalkin@opensynergy.com> [ Peter: Adapted patch for submission to upstream. ] Co-developed-by: Peter Hilber <peter.hilber@opensynergy.com> Signed-off-by: Peter Hilber <peter.hilber@opensynergy.com> [ Cristian: converted to yaml format, moved shmen required property. ] Signed-off-by: Cristian Marussi <cristian.marussi@arm.com> --- v3 --> V4 - convertd to YAML - make shmem required only for pre-existing mailbox and smc transport - updated VirtIO specification patch message reference - dropped virtio-mmio SCMI device example since really not pertinent to virtio-scmi dt bindings transport: it is not even referenced in SCMI virtio DT node since they are enumerated by VirtIO subsystem and there could be PCI based SCMI devices anyway. --- Documentation/devicetree/bindings/firmware/arm,scmi.yaml | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/firmware/arm,scmi.yaml b/Documentation/devicetree/bindings/firmware/arm,scmi.yaml index cebf6ffe70d5..5c4c6782e052 100644 --- a/Documentation/devicetree/bindings/firmware/arm,scmi.yaml +++ b/Documentation/devicetree/bindings/firmware/arm,scmi.yaml @@ -34,6 +34,10 @@ properties: - description: SCMI compliant firmware with ARM SMC/HVC transport items: - const: arm,scmi-smc + - description: SCMI compliant firmware with SCMI Virtio transport. + The virtio transport only supports a single device. + items: + - const: arm,scmi-virtio interrupts: description: @@ -172,6 +176,7 @@ patternProperties: Each sub-node represents a protocol supported. If the platform supports a dedicated communication channel for a particular protocol, then the corresponding transport properties must be present. + The virtio transport does not support a dedicated communication channel. properties: reg: @@ -195,7 +200,6 @@ patternProperties: required: - compatible - - shmem if: properties: @@ -209,6 +213,7 @@ then: required: - mboxes + - shmem else: if: @@ -219,6 +224,7 @@ else: then: required: - arm,smc-id + - shmem examples: - | -- 2.17.1
WARNING: multiple messages have this Message-ID (diff)
From: Cristian Marussi <cristian.marussi@arm.com> To: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, virtualization@lists.linux-foundation.org, virtio-dev@lists.oasis-open.org Cc: sudeep.holla@arm.com, james.quinlan@broadcom.com, Jonathan.Cameron@Huawei.com, f.fainelli@gmail.com, etienne.carriere@linaro.org, vincent.guittot@linaro.org, souvik.chakravarty@arm.com, cristian.marussi@arm.com, igor.skalkin@opensynergy.com, peter.hilber@opensynergy.com, alex.bennee@linaro.org, jean-philippe@linaro.org, mikhail.golubev@opensynergy.com, anton.yakovlev@opensynergy.com, Vasyl.Vavrychuk@opensynergy.com, Andriy.Tryshnivskyy@opensynergy.com Subject: [PATCH v6 16/17] dt-bindings: arm: Add virtio transport for SCMI Date: Mon, 12 Jul 2021 15:18:32 +0100 [thread overview] Message-ID: <20210712141833.6628-17-cristian.marussi@arm.com> (raw) In-Reply-To: <20210712141833.6628-1-cristian.marussi@arm.com> From: Igor Skalkin <igor.skalkin@opensynergy.com> Document the properties for arm,scmi-virtio compatible nodes. The backing virtio SCMI device is described in patch [1]. While doing that, make shmem property required only for pre-existing mailbox and smc transports, since virtio-scmi does not need it. [1] https://lists.oasis-open.org/archives/virtio-comment/202102/msg00018.html Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Igor Skalkin <igor.skalkin@opensynergy.com> [ Peter: Adapted patch for submission to upstream. ] Co-developed-by: Peter Hilber <peter.hilber@opensynergy.com> Signed-off-by: Peter Hilber <peter.hilber@opensynergy.com> [ Cristian: converted to yaml format, moved shmen required property. ] Signed-off-by: Cristian Marussi <cristian.marussi@arm.com> --- v3 --> V4 - convertd to YAML - make shmem required only for pre-existing mailbox and smc transport - updated VirtIO specification patch message reference - dropped virtio-mmio SCMI device example since really not pertinent to virtio-scmi dt bindings transport: it is not even referenced in SCMI virtio DT node since they are enumerated by VirtIO subsystem and there could be PCI based SCMI devices anyway. --- Documentation/devicetree/bindings/firmware/arm,scmi.yaml | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/firmware/arm,scmi.yaml b/Documentation/devicetree/bindings/firmware/arm,scmi.yaml index cebf6ffe70d5..5c4c6782e052 100644 --- a/Documentation/devicetree/bindings/firmware/arm,scmi.yaml +++ b/Documentation/devicetree/bindings/firmware/arm,scmi.yaml @@ -34,6 +34,10 @@ properties: - description: SCMI compliant firmware with ARM SMC/HVC transport items: - const: arm,scmi-smc + - description: SCMI compliant firmware with SCMI Virtio transport. + The virtio transport only supports a single device. + items: + - const: arm,scmi-virtio interrupts: description: @@ -172,6 +176,7 @@ patternProperties: Each sub-node represents a protocol supported. If the platform supports a dedicated communication channel for a particular protocol, then the corresponding transport properties must be present. + The virtio transport does not support a dedicated communication channel. properties: reg: @@ -195,7 +200,6 @@ patternProperties: required: - compatible - - shmem if: properties: @@ -209,6 +213,7 @@ then: required: - mboxes + - shmem else: if: @@ -219,6 +224,7 @@ else: then: required: - arm,smc-id + - shmem examples: - | -- 2.17.1 _______________________________________________ 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:[~2021-07-12 14:20 UTC|newest] Thread overview: 110+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-07-12 14:18 [PATCH v6 00/17] Introduce SCMI transport based on VirtIO Cristian Marussi 2021-07-12 14:18 ` Cristian Marussi 2021-07-12 14:18 ` [PATCH v6 01/17] firmware: arm_scmi: Avoid padding in sensor message structure Cristian Marussi 2021-07-12 14:18 ` Cristian Marussi 2021-07-12 14:18 ` [PATCH v6 02/17] firmware: arm_scmi: Fix max pending messages boundary check Cristian Marussi 2021-07-12 14:18 ` Cristian Marussi 2021-07-14 16:46 ` Sudeep Holla 2021-07-14 16:46 ` Sudeep Holla 2021-07-12 14:18 ` [PATCH v6 03/17] firmware: arm_scmi: Add support for type handling in common functions Cristian Marussi 2021-07-12 14:18 ` Cristian Marussi 2021-07-12 14:18 ` [PATCH v6 04/17] firmware: arm_scmi: Remove scmi_dump_header_dbg() helper Cristian Marussi 2021-07-12 14:18 ` Cristian Marussi 2021-07-12 14:18 ` [PATCH v6 05/17] firmware: arm_scmi: Add transport optional init/exit support Cristian Marussi 2021-07-12 14:18 ` Cristian Marussi 2021-07-28 11:40 ` Sudeep Holla 2021-07-28 11:40 ` Sudeep Holla 2021-07-28 12:28 ` Cristian Marussi 2021-07-28 12:28 ` Cristian Marussi 2021-07-12 14:18 ` [PATCH v6 06/17] firmware: arm_scmi: Introduce monotonically increasing tokens Cristian Marussi 2021-07-12 14:18 ` Cristian Marussi 2021-07-28 14:17 ` Sudeep Holla 2021-07-28 14:17 ` Sudeep Holla 2021-07-28 16:54 ` Cristian Marussi 2021-07-28 16:54 ` [virtio-dev] " Cristian Marussi 2021-07-28 16:54 ` Cristian Marussi 2021-08-02 10:24 ` Sudeep Holla 2021-08-02 10:24 ` Sudeep Holla 2021-08-03 12:52 ` Cristian Marussi 2021-08-03 12:52 ` [virtio-dev] " Cristian Marussi 2021-08-03 12:52 ` Cristian Marussi 2021-07-12 14:18 ` [PATCH v6 07/17] firmware: arm_scmi: Handle concurrent and out-of-order messages Cristian Marussi 2021-07-12 14:18 ` Cristian Marussi 2021-07-15 16:36 ` Peter Hilber 2021-07-15 16:36 ` [virtio-dev] " Peter Hilber 2021-07-15 16:36 ` Peter Hilber 2021-07-19 9:14 ` Cristian Marussi 2021-07-19 9:14 ` Cristian Marussi 2021-07-22 8:32 ` Peter Hilber 2021-07-22 8:32 ` [virtio-dev] " Peter Hilber 2021-07-22 8:32 ` Peter Hilber 2021-07-28 8:31 ` Cristian Marussi 2021-07-28 8:31 ` Cristian Marussi 2021-08-02 10:10 ` Sudeep Holla 2021-08-02 10:10 ` Sudeep Holla 2021-08-02 10:27 ` Cristian Marussi 2021-08-02 10:27 ` [virtio-dev] " Cristian Marussi 2021-08-02 10:27 ` Cristian Marussi 2021-07-12 14:18 ` [PATCH v6 08/17] firmware: arm_scmi: Add priv parameter to scmi_rx_callback Cristian Marussi 2021-07-12 14:18 ` Cristian Marussi 2021-07-28 14:26 ` Sudeep Holla 2021-07-28 14:26 ` Sudeep Holla 2021-07-28 17:25 ` Cristian Marussi 2021-07-28 17:25 ` [virtio-dev] " Cristian Marussi 2021-07-28 17:25 ` Cristian Marussi 2021-07-12 14:18 ` [PATCH v6 09/17] firmware: arm_scmi: Make .clear_channel optional Cristian Marussi 2021-07-12 14:18 ` Cristian Marussi 2021-07-12 14:18 ` [PATCH v6 10/17] firmware: arm_scmi: Make polling mode optional Cristian Marussi 2021-07-12 14:18 ` Cristian Marussi 2021-07-15 16:36 ` Peter Hilber 2021-07-15 16:36 ` [virtio-dev] " Peter Hilber 2021-07-15 16:36 ` Peter Hilber 2021-07-19 9:15 ` Cristian Marussi 2021-07-19 9:15 ` Cristian Marussi 2021-07-28 14:34 ` Sudeep Holla 2021-07-28 14:34 ` Sudeep Holla 2021-07-28 17:41 ` Cristian Marussi 2021-07-28 17:41 ` [virtio-dev] " Cristian Marussi 2021-07-28 17:41 ` Cristian Marussi 2021-07-12 14:18 ` [PATCH v6 11/17] firmware: arm_scmi: Make SCMI transports configurable Cristian Marussi 2021-07-12 14:18 ` Cristian Marussi 2021-07-28 14:50 ` Sudeep Holla 2021-07-28 14:50 ` Sudeep Holla 2021-07-29 16:18 ` Cristian Marussi 2021-07-29 16:18 ` [virtio-dev] " Cristian Marussi 2021-07-29 16:18 ` Cristian Marussi 2021-07-12 14:18 ` [PATCH v6 12/17] firmware: arm_scmi: Make shmem support optional for transports Cristian Marussi 2021-07-12 14:18 ` Cristian Marussi 2021-07-12 14:18 ` [PATCH v6 13/17] firmware: arm_scmi: Add method to override max message number Cristian Marussi 2021-07-12 14:18 ` Cristian Marussi 2021-07-12 14:18 ` [PATCH v6 14/17] firmware: arm_scmi: Add message passing abstractions for transports Cristian Marussi 2021-07-12 14:18 ` Cristian Marussi 2021-07-15 16:36 ` Peter Hilber 2021-07-15 16:36 ` [virtio-dev] " Peter Hilber 2021-07-15 16:36 ` Peter Hilber 2021-07-19 9:16 ` Cristian Marussi 2021-07-19 9:16 ` Cristian Marussi 2021-07-12 14:18 ` [PATCH v6 15/17] firmware: arm_scmi: Add optional link_supplier() transport op Cristian Marussi 2021-07-12 14:18 ` Cristian Marussi 2021-07-28 15:36 ` Sudeep Holla 2021-07-28 15:36 ` Sudeep Holla 2021-07-29 16:19 ` Cristian Marussi 2021-07-29 16:19 ` [virtio-dev] " Cristian Marussi 2021-07-29 16:19 ` Cristian Marussi 2021-07-12 14:18 ` Cristian Marussi [this message] 2021-07-12 14:18 ` [PATCH v6 16/17] dt-bindings: arm: Add virtio transport for SCMI Cristian Marussi 2021-07-12 14:18 ` [PATCH v6 17/17] firmware: arm_scmi: Add virtio transport Cristian Marussi 2021-07-12 14:18 ` Cristian Marussi 2021-07-15 16:35 ` [PATCH v6 00/17] Introduce SCMI transport based on VirtIO Peter Hilber 2021-07-15 16:35 ` [virtio-dev] " Peter Hilber 2021-07-15 16:35 ` Peter Hilber 2021-07-19 11:36 ` Cristian Marussi 2021-07-19 11:36 ` Cristian Marussi 2021-07-22 8:30 ` Peter Hilber 2021-07-22 8:30 ` [virtio-dev] " Peter Hilber 2021-07-22 8:30 ` Peter Hilber 2021-08-11 9:31 ` Floris Westermann 2021-08-11 9:31 ` Floris Westermann 2021-08-11 15:26 ` Cristian Marussi 2021-08-11 15:26 ` [virtio-dev] " Cristian Marussi 2021-08-11 15:26 ` Cristian Marussi
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=20210712141833.6628-17-cristian.marussi@arm.com \ --to=cristian.marussi@arm.com \ --cc=Andriy.Tryshnivskyy@opensynergy.com \ --cc=Jonathan.Cameron@Huawei.com \ --cc=Vasyl.Vavrychuk@opensynergy.com \ --cc=alex.bennee@linaro.org \ --cc=anton.yakovlev@opensynergy.com \ --cc=etienne.carriere@linaro.org \ --cc=f.fainelli@gmail.com \ --cc=igor.skalkin@opensynergy.com \ --cc=james.quinlan@broadcom.com \ --cc=jean-philippe@linaro.org \ --cc=linux-arm-kernel@lists.infradead.org \ --cc=linux-kernel@vger.kernel.org \ --cc=mikhail.golubev@opensynergy.com \ --cc=peter.hilber@opensynergy.com \ --cc=souvik.chakravarty@arm.com \ --cc=sudeep.holla@arm.com \ --cc=vincent.guittot@linaro.org \ --cc=virtio-dev@lists.oasis-open.org \ --cc=virtualization@lists.linux-foundation.org \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.