From: Jason-JH.Lin <jason-jh.lin@mediatek.com> To: Jassi Brar <jassisinghbrar@gmail.com>, Rob Herring <robh+dt@kernel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, Conor Dooley <conor+dt@kernel.org>, Matthias Brugger <matthias.bgg@gmail.com>, AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>, Chun-Kuang Hu <chunkuang.hu@kernel.org> Cc: <linux-kernel@vger.kernel.org>, <devicetree@vger.kernel.org>, <linux-media@vger.kernel.org>, <linux-arm-kernel@lists.infradead.org>, <linux-mediatek@lists.infradead.org>, Jason-ch Chen <jason-ch.chen@mediatek.com>, Johnson Wang <johnson.wang@mediatek.com>, "Jason-JH . Lin" <jason-jh.lin@mediatek.com>, Singo Chang <singo.chang@mediatek.com>, Nancy Lin <nancy.lin@mediatek.com>, Shawn Sung <shawn.sung@mediatek.com>, <Project_Global_Chrome_Upstream_Group@mediatek.com> Subject: [PATCH v2 1/4] dt-bindings: mailbox: Add mediatek,gce-props.yaml Date: Wed, 10 Jan 2024 14:35:29 +0800 [thread overview] Message-ID: <20240110063532.14124-2-jason-jh.lin@mediatek.com> (raw) In-Reply-To: <20240110063532.14124-1-jason-jh.lin@mediatek.com> Add mediatek,gce-props.yaml for specific GCE properties for both Mailbox Providers and Consumers. Signed-off-by: Jason-JH.Lin <jason-jh.lin@mediatek.com> --- .../bindings/mailbox/mediatek,gce-props.yaml | 41 +++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 Documentation/devicetree/bindings/mailbox/mediatek,gce-props.yaml diff --git a/Documentation/devicetree/bindings/mailbox/mediatek,gce-props.yaml b/Documentation/devicetree/bindings/mailbox/mediatek,gce-props.yaml new file mode 100644 index 000000000000..aac776b74e88 --- /dev/null +++ b/Documentation/devicetree/bindings/mailbox/mediatek,gce-props.yaml @@ -0,0 +1,41 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mailbox/mediatek,gce-props.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MediaTek Global Command Engine common propertes for both Mailbox Providers and Consumers. + +maintainers: + - Houlong Wei <houlong.wei@mediatek.com> + +description: + The Global Command Engine (GCE) is used to implement a Command Queue (CMDQ) + driver using the Linux Mailbox framework. The GCE is an instruction based, + multi-threaded, single-core command dispatcher for MediaTek hardware. + We use GCE Mailbox binding to define GCE core properties for GCE Mailbox Provider. + A device that uses the CMDQ driver to confige its hardware registers by requesting + the Linux Mailbox Channels in the GCE Mailbox Controller is a Mailbox Consumer. + This binding defines the common GCE properties for both Mailbox Providers and Consumers. + +properties: + mediatek,gce-events: + description: + Each gce-events is an event id corresponding to a specific hardware event + signal sent to GCE. The event id is defined in the GCE header + include/dt-bindings/gce/<chip>-gce.h of each chips. + CMDQ client drivers have two usage of GCE event signals, + one is sfotware tokens and the other is hardware events. + Software tokens refer to GCE event signals triggered by drivers. + e.g. software drivers append GCE commands to set a GCE event after specific + GCE commands. Or CMDQ client driver uses the CPU to write the event id + into GCE register to trigger the GCE event corresponding to the event id. + Hardware events refer to GCE event signals triggered by hardware engines. + e.g. When OVL fetches all the data in the frame buffer, OVL will send + a frame done irq and send a frame done GCE event via hardware bus directly + at the same time. + $ref: /schemas/types.yaml#/definitions/uint32-array + minItems: 1 + maxItems: 1024 + +additionalProperties: true -- 2.18.0
WARNING: multiple messages have this Message-ID (diff)
From: Jason-JH.Lin <jason-jh.lin@mediatek.com> To: Jassi Brar <jassisinghbrar@gmail.com>, Rob Herring <robh+dt@kernel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, Conor Dooley <conor+dt@kernel.org>, Matthias Brugger <matthias.bgg@gmail.com>, AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>, Chun-Kuang Hu <chunkuang.hu@kernel.org> Cc: <linux-kernel@vger.kernel.org>, <devicetree@vger.kernel.org>, <linux-media@vger.kernel.org>, <linux-arm-kernel@lists.infradead.org>, <linux-mediatek@lists.infradead.org>, Jason-ch Chen <jason-ch.chen@mediatek.com>, Johnson Wang <johnson.wang@mediatek.com>, "Jason-JH . Lin" <jason-jh.lin@mediatek.com>, Singo Chang <singo.chang@mediatek.com>, Nancy Lin <nancy.lin@mediatek.com>, Shawn Sung <shawn.sung@mediatek.com>, <Project_Global_Chrome_Upstream_Group@mediatek.com> Subject: [PATCH v2 1/4] dt-bindings: mailbox: Add mediatek,gce-props.yaml Date: Wed, 10 Jan 2024 14:35:29 +0800 [thread overview] Message-ID: <20240110063532.14124-2-jason-jh.lin@mediatek.com> (raw) In-Reply-To: <20240110063532.14124-1-jason-jh.lin@mediatek.com> Add mediatek,gce-props.yaml for specific GCE properties for both Mailbox Providers and Consumers. Signed-off-by: Jason-JH.Lin <jason-jh.lin@mediatek.com> --- .../bindings/mailbox/mediatek,gce-props.yaml | 41 +++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 Documentation/devicetree/bindings/mailbox/mediatek,gce-props.yaml diff --git a/Documentation/devicetree/bindings/mailbox/mediatek,gce-props.yaml b/Documentation/devicetree/bindings/mailbox/mediatek,gce-props.yaml new file mode 100644 index 000000000000..aac776b74e88 --- /dev/null +++ b/Documentation/devicetree/bindings/mailbox/mediatek,gce-props.yaml @@ -0,0 +1,41 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mailbox/mediatek,gce-props.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MediaTek Global Command Engine common propertes for both Mailbox Providers and Consumers. + +maintainers: + - Houlong Wei <houlong.wei@mediatek.com> + +description: + The Global Command Engine (GCE) is used to implement a Command Queue (CMDQ) + driver using the Linux Mailbox framework. The GCE is an instruction based, + multi-threaded, single-core command dispatcher for MediaTek hardware. + We use GCE Mailbox binding to define GCE core properties for GCE Mailbox Provider. + A device that uses the CMDQ driver to confige its hardware registers by requesting + the Linux Mailbox Channels in the GCE Mailbox Controller is a Mailbox Consumer. + This binding defines the common GCE properties for both Mailbox Providers and Consumers. + +properties: + mediatek,gce-events: + description: + Each gce-events is an event id corresponding to a specific hardware event + signal sent to GCE. The event id is defined in the GCE header + include/dt-bindings/gce/<chip>-gce.h of each chips. + CMDQ client drivers have two usage of GCE event signals, + one is sfotware tokens and the other is hardware events. + Software tokens refer to GCE event signals triggered by drivers. + e.g. software drivers append GCE commands to set a GCE event after specific + GCE commands. Or CMDQ client driver uses the CPU to write the event id + into GCE register to trigger the GCE event corresponding to the event id. + Hardware events refer to GCE event signals triggered by hardware engines. + e.g. When OVL fetches all the data in the frame buffer, OVL will send + a frame done irq and send a frame done GCE event via hardware bus directly + at the same time. + $ref: /schemas/types.yaml#/definitions/uint32-array + minItems: 1 + maxItems: 1024 + +additionalProperties: true -- 2.18.0 _______________________________________________ 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:[~2024-01-10 6:35 UTC|newest] Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top 2024-01-10 6:35 [PATCH v2 0/4] Add mediatek,gce-props.yaml for other bindings reference mediatek,gce-events Jason-JH.Lin 2024-01-10 6:35 ` Jason-JH.Lin 2024-01-10 6:35 ` Jason-JH.Lin [this message] 2024-01-10 6:35 ` [PATCH v2 1/4] dt-bindings: mailbox: Add mediatek,gce-props.yaml Jason-JH.Lin 2024-01-12 7:20 ` Krzysztof Kozlowski 2024-01-12 7:20 ` Krzysztof Kozlowski 2024-01-12 8:09 ` Jason-JH Lin (林睿祥) 2024-01-12 8:09 ` Jason-JH Lin (林睿祥) 2024-01-10 6:35 ` [PATCH v2 2/4] dt-bindings: mailbox: mediatek: gce-mailbox: Add reference to gce-props.yaml Jason-JH.Lin 2024-01-10 6:35 ` Jason-JH.Lin 2024-01-10 10:36 ` Conor Dooley 2024-01-10 10:36 ` Conor Dooley 2024-01-10 16:36 ` Jason-JH Lin (林睿祥) 2024-01-10 16:36 ` Jason-JH Lin (林睿祥) 2024-01-11 17:31 ` Conor Dooley 2024-01-11 17:31 ` Conor Dooley 2024-01-12 7:44 ` Jason-JH Lin (林睿祥) 2024-01-12 7:44 ` Jason-JH Lin (林睿祥) 2024-01-15 17:23 ` Conor Dooley 2024-01-15 17:23 ` Conor Dooley 2024-01-16 8:21 ` Jason-JH Lin (林睿祥) 2024-01-16 8:21 ` Jason-JH Lin (林睿祥) 2024-01-16 17:22 ` Conor Dooley 2024-01-16 17:22 ` Conor Dooley 2024-01-17 2:24 ` Jason-JH Lin (林睿祥) 2024-01-17 2:24 ` Jason-JH Lin (林睿祥) 2024-01-10 6:35 ` [PATCH v2 3/4] dt-bindings: media: mediatek: mdp: Change mediatek,gce-events to reference Jason-JH.Lin 2024-01-10 6:35 ` Jason-JH.Lin 2024-01-12 7:22 ` Krzysztof Kozlowski 2024-01-12 7:22 ` Krzysztof Kozlowski 2024-01-12 7:53 ` Jason-JH Lin (林睿祥) 2024-01-12 7:53 ` Jason-JH Lin (林睿祥) 2024-01-10 6:35 ` [PATCH v2 4/4] dt-bindings: soc: mediatek: Change mediatek,gce-events to refernece Jason-JH.Lin 2024-01-10 6:35 ` Jason-JH.Lin
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