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Mon, 23 Nov 2020 09:01:24 +0000 From: Laurentiu Tudor To: robh+dt@kernel.org, leoyang.li@nxp.com, corbet@lwn.net, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, linux-doc@vger.kernel.org Cc: davem@davemloft.net, kuba@kernel.org, linuxppc-dev@lists.ozlabs.org, ioana.ciornei@nxp.com, Ionut-robert Aron , Laurentiu Tudor Subject: [PATCH v4] dt-bindings: misc: convert fsl,qoriq-mc from txt to YAML Date: Mon, 23 Nov 2020 11:00:35 +0200 Message-Id: <20201123090035.15734-1-laurentiu.tudor@nxp.com> X-Mailer: git-send-email 2.17.1 Content-Type: text/plain; charset="us-ascii" X-Originating-IP: [83.217.231.2] X-ClientProxiedBy: AM8P190CA0017.EURP190.PROD.OUTLOOK.COM (2603:10a6:20b:219::22) To VI1PR0402MB3405.eurprd04.prod.outlook.com (2603:10a6:803:3::26) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from fsr-ub1864-101.ea.freescale.net (83.217.231.2) by AM8P190CA0017.EURP190.PROD.OUTLOOK.COM (2603:10a6:20b:219::22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3589.20 via Frontend Transport; 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In addition, update MAINTAINERS accordingly and, while at it, add some missing files. Signed-off-by: Ionut-robert Aron [laurentiu.tudor@nxp.com: update MINTAINERS, updates & fixes in schema] Signed-off-by: Laurentiu Tudor --- Changes in v4: - use $ref to point to fsl,qoriq-mc-dpmac binding Changes in v3: - dropped duplicated "fsl,qoriq-mc-dpmac" schema and replaced with reference to it - fixed a dt_binding_check warning Changes in v2: - fixed errors reported by yamllint - dropped multiple unnecessary quotes - used schema instead of text in description - added constraints on dpmac reg property .../devicetree/bindings/misc/fsl,qoriq-mc.txt | 196 ------------------ .../bindings/misc/fsl,qoriq-mc.yaml | 186 +++++++++++++++++ .../ethernet/freescale/dpaa2/overview.rst | 5 +- MAINTAINERS | 4 +- 4 files changed, 193 insertions(+), 198 deletions(-) delete mode 100644 Documentation/devicetree/bindings/misc/fsl,qoriq-mc.txt create mode 100644 Documentation/devicetree/bindings/misc/fsl,qoriq-mc.yaml diff --git a/Documentation/devicetree/bindings/misc/fsl,qoriq-mc.txt b/Documentation/devicetree/bindings/misc/fsl,qoriq-mc.txt deleted file mode 100644 index 7b486d4985dc..000000000000 --- a/Documentation/devicetree/bindings/misc/fsl,qoriq-mc.txt +++ /dev/null @@ -1,196 +0,0 @@ -* Freescale Management Complex - -The Freescale Management Complex (fsl-mc) is a hardware resource -manager that manages specialized hardware objects used in -network-oriented packet processing applications. After the fsl-mc -block is enabled, pools of hardware resources are available, such as -queues, buffer pools, I/O interfaces. These resources are building -blocks that can be used to create functional hardware objects/devices -such as network interfaces, crypto accelerator instances, L2 switches, -etc. - -For an overview of the DPAA2 architecture and fsl-mc bus see: -Documentation/networking/device_drivers/ethernet/freescale/dpaa2/overview.rst - -As described in the above overview, all DPAA2 objects in a DPRC share the -same hardware "isolation context" and a 10-bit value called an ICID -(isolation context id) is expressed by the hardware to identify -the requester. - -The generic 'iommus' property is insufficient to describe the relationship -between ICIDs and IOMMUs, so an iommu-map property is used to define -the set of possible ICIDs under a root DPRC and how they map to -an IOMMU. - -For generic IOMMU bindings, see -Documentation/devicetree/bindings/iommu/iommu.txt. - -For arm-smmu binding, see: -Documentation/devicetree/bindings/iommu/arm,smmu.yaml. - -The MSI writes are accompanied by sideband data which is derived from the ICID. -The msi-map property is used to associate the devices with both the ITS -controller and the sideband data which accompanies the writes. - -For generic MSI bindings, see -Documentation/devicetree/bindings/interrupt-controller/msi.txt. - -For GICv3 and GIC ITS bindings, see: -Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.yaml. - -Required properties: - - - compatible - Value type: - Definition: Must be "fsl,qoriq-mc". A Freescale Management Complex - compatible with this binding must have Block Revision - Registers BRR1 and BRR2 at offset 0x0BF8 and 0x0BFC in - the MC control register region. - - - reg - Value type: - Definition: A standard property. Specifies one or two regions - defining the MC's registers: - - -the first region is the command portal for the - this machine and must always be present - - -the second region is the MC control registers. This - region may not be present in some scenarios, such - as in the device tree presented to a virtual machine. - - - ranges - Value type: - Definition: A standard property. Defines the mapping between the child - MC address space and the parent system address space. - - The MC address space is defined by 3 components: - - - Valid values for region type are - 0x0 - MC portals - 0x1 - QBMAN portals - - - #address-cells - Value type: - Definition: Must be 3. (see definition in 'ranges' property) - - - #size-cells - Value type: - Definition: Must be 1. - -Sub-nodes: - - The fsl-mc node may optionally have dpmac sub-nodes that describe - the relationship between the Ethernet MACs which belong to the MC - and the Ethernet PHYs on the system board. - - The dpmac nodes must be under a node named "dpmacs" which contains - the following properties: - - - #address-cells - Value type: - Definition: Must be present if dpmac sub-nodes are defined and must - have a value of 1. - - - #size-cells - Value type: - Definition: Must be present if dpmac sub-nodes are defined and must - have a value of 0. - - These nodes must have the following properties: - - - compatible - Value type: - Definition: Must be "fsl,qoriq-mc-dpmac". - - - reg - Value type: - Definition: Specifies the id of the dpmac. - - - phy-handle - Value type: - Definition: Specifies the phandle to the PHY device node associated - with the this dpmac. -Optional properties: - -- iommu-map: Maps an ICID to an IOMMU and associated iommu-specifier - data. - - The property is an arbitrary number of tuples of - (icid-base,iommu,iommu-base,length). - - Any ICID i in the interval [icid-base, icid-base + length) is - associated with the listed IOMMU, with the iommu-specifier - (i - icid-base + iommu-base). - -- msi-map: Maps an ICID to a GIC ITS and associated msi-specifier - data. - - The property is an arbitrary number of tuples of - (icid-base,gic-its,msi-base,length). - - Any ICID in the interval [icid-base, icid-base + length) is - associated with the listed GIC ITS, with the msi-specifier - (i - icid-base + msi-base). - -Deprecated properties: - - - msi-parent - Value type: - Definition: Describes the MSI controller node handling message - interrupts for the MC. When there is no translation - between the ICID and deviceID this property can be used - to describe the MSI controller used by the devices on the - mc-bus. - The use of this property for mc-bus is deprecated. Please - use msi-map. - -Example: - - smmu: iommu@5000000 { - compatible = "arm,mmu-500"; - #iommu-cells = <1>; - stream-match-mask = <0x7C00>; - ... - }; - - gic: interrupt-controller@6000000 { - compatible = "arm,gic-v3"; - ... - } - its: gic-its@6020000 { - compatible = "arm,gic-v3-its"; - msi-controller; - ... - }; - - fsl_mc: fsl-mc@80c000000 { - compatible = "fsl,qoriq-mc"; - reg = <0x00000008 0x0c000000 0 0x40>, /* MC portal base */ - <0x00000000 0x08340000 0 0x40000>; /* MC control reg */ - /* define map for ICIDs 23-64 */ - iommu-map = <23 &smmu 23 41>; - /* define msi map for ICIDs 23-64 */ - msi-map = <23 &its 23 41>; - #address-cells = <3>; - #size-cells = <1>; - - /* - * Region type 0x0 - MC portals - * Region type 0x1 - QBMAN portals - */ - ranges = <0x0 0x0 0x0 0x8 0x0c000000 0x4000000 - 0x1 0x0 0x0 0x8 0x18000000 0x8000000>; - - dpmacs { - #address-cells = <1>; - #size-cells = <0>; - - dpmac@1 { - compatible = "fsl,qoriq-mc-dpmac"; - reg = <1>; - phy-handle = <&mdio0_phy0>; - } - } - }; diff --git a/Documentation/devicetree/bindings/misc/fsl,qoriq-mc.yaml b/Documentation/devicetree/bindings/misc/fsl,qoriq-mc.yaml new file mode 100644 index 000000000000..f45e21872e4f --- /dev/null +++ b/Documentation/devicetree/bindings/misc/fsl,qoriq-mc.yaml @@ -0,0 +1,186 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +# Copyright 2020 NXP +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/misc/fsl,qoriq-mc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +maintainers: + - Laurentiu Tudor + +title: Freescale Management Complex + +description: | + The Freescale Management Complex (fsl-mc) is a hardware resource + manager that manages specialized hardware objects used in + network-oriented packet processing applications. After the fsl-mc + block is enabled, pools of hardware resources are available, such as + queues, buffer pools, I/O interfaces. These resources are building + blocks that can be used to create functional hardware objects/devices + such as network interfaces, crypto accelerator instances, L2 switches, + etc. + + For an overview of the DPAA2 architecture and fsl-mc bus see: + Documentation/networking/device_drivers/freescale/dpaa2/overview.rst + + As described in the above overview, all DPAA2 objects in a DPRC share the + same hardware "isolation context" and a 10-bit value called an ICID + (isolation context id) is expressed by the hardware to identify + the requester. + + The generic 'iommus' property is insufficient to describe the relationship + between ICIDs and IOMMUs, so an iommu-map property is used to define + the set of possible ICIDs under a root DPRC and how they map to + an IOMMU. + + For generic IOMMU bindings, see: + Documentation/devicetree/bindings/iommu/iommu.txt. + + For arm-smmu binding, see: + Documentation/devicetree/bindings/iommu/arm,smmu.yaml. + + MC firmware binary images can be found here: + https://github.com/NXP/qoriq-mc-binary + +properties: + compatible: + const: fsl,qoriq-mc + description: + A Freescale Management Complex compatible with this binding must have + Block Revision Registers BRR1 and BRR2 at offset 0x0BF8 and 0x0BFC in + the MC control register region. + + reg: + minItems: 1 + items: + - description: the command portal for this machine + - description: + MC control registers. This region may not be present in some + scenarios, such as in the device tree presented to a virtual + machine. + + ranges: + description: | + A standard property. Defines the mapping between the child MC address + space and the parent system address space. + + The MC address space is defined by 3 components: + + + Valid values for region type are: + 0x0 - MC portals + 0x1 - QBMAN portals + + '#address-cells': + const: 3 + + '#size-cells': + const: 1 + + dpmacs: + type: object + description: + The fsl-mc node may optionally have dpmac sub-nodes that describe the + relationship between the Ethernet MACs which belong to the MC and the + Ethernet PHYs on the system board. + + properties: + '#address-cells': + const: 1 + + '#size-cells': + const: 0 + + patternProperties: + "^(dpmac@[0-9a-f]+)|(ethernet@[0-9a-f]+)$": + type: object + + $ref: /schemas/net/fsl,qoriq-mc-dpmac.yaml# + + iommu-map: + description: | + Maps an ICID to an IOMMU and associated iommu-specifier data. + + The property is an arbitrary number of tuples of + (icid-base, iommu, iommu-base, length). + + Any ICID i in the interval [icid-base, icid-base + length) is + associated with the listed IOMMU, with the iommu-specifier + (i - icid-base + iommu-base). + + msi-map: + description: | + Maps an ICID to a GIC ITS and associated msi-specifier data. + + The property is an arbitrary number of tuples of + (icid-base, gic-its, msi-base, length). + + Any ICID in the interval [icid-base, icid-base + length) is + associated with the listed GIC ITS, with the msi-specifier + (i - icid-base + msi-base). + + msi-parent: + deprecated: true + description: + Points to the MSI controller node handling message interrupts for the MC. + +required: + - compatible + - reg + - iommu-map + - msi-map + - ranges + - '#address-cells' + - '#size-cells' + +additionalProperties: false + +examples: + - | + soc { + #address-cells = <2>; + #size-cells = <2>; + + smmu: iommu@5000000 { + compatible = "arm,mmu-500"; + #global-interrupts = <1>; + #iommu-cells = <1>; + reg = <0 0x5000000 0 0x800000>; + stream-match-mask = <0x7c00>; + interrupts = <0 13 4>, + <0 146 4>, <0 147 4>, + <0 148 4>, <0 149 4>, + <0 150 4>, <0 151 4>, + <0 152 4>, <0 153 4>; + }; + + fsl_mc: fsl-mc@80c000000 { + compatible = "fsl,qoriq-mc"; + reg = <0x00000008 0x0c000000 0 0x40>, /* MC portal base */ + <0x00000000 0x08340000 0 0x40000>; /* MC control reg */ + /* define map for ICIDs 23-64 */ + iommu-map = <23 &smmu 23 41>; + /* define msi map for ICIDs 23-64 */ + msi-map = <23 &its 23 41>; + #address-cells = <3>; + #size-cells = <1>; + + /* + * Region type 0x0 - MC portals + * Region type 0x1 - QBMAN portals + */ + ranges = <0x0 0x0 0x0 0x8 0x0c000000 0x4000000 + 0x1 0x0 0x0 0x8 0x18000000 0x8000000>; + + dpmacs { + #address-cells = <1>; + #size-cells = <0>; + + ethernet@1 { + compatible = "fsl,qoriq-mc-dpmac"; + reg = <1>; + phy-handle = <&mdio0_phy0>; + }; + }; + }; + }; diff --git a/Documentation/networking/device_drivers/ethernet/freescale/dpaa2/overview.rst b/Documentation/networking/device_drivers/ethernet/freescale/dpaa2/overview.rst index d638b5a8aadd..b3261c5871cc 100644 --- a/Documentation/networking/device_drivers/ethernet/freescale/dpaa2/overview.rst +++ b/Documentation/networking/device_drivers/ethernet/freescale/dpaa2/overview.rst @@ -28,6 +28,9 @@ interfaces, an L2 switch, or accelerator instances. The MC provides memory-mapped I/O command interfaces (MC portals) which DPAA2 software drivers use to operate on DPAA2 objects. +MC firmware binary images can be found here: +https://github.com/NXP/qoriq-mc-binary + The diagram below shows an overview of the DPAA2 resource management architecture:: @@ -338,7 +341,7 @@ Key functions include: a bind of the root DPRC to the DPRC driver The binding for the MC-bus device-tree node can be consulted at -*Documentation/devicetree/bindings/misc/fsl,qoriq-mc.txt*. +*Documentation/devicetree/bindings/misc/fsl,qoriq-mc.yaml*. The sysfs bind/unbind interfaces for the MC-bus can be consulted at *Documentation/ABI/testing/sysfs-bus-fsl-mc*. diff --git a/MAINTAINERS b/MAINTAINERS index b516bb34a8d5..e0ce6e2b663c 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -14409,9 +14409,11 @@ M: Stuart Yoder M: Laurentiu Tudor L: linux-kernel@vger.kernel.org S: Maintained -F: Documentation/devicetree/bindings/misc/fsl,qoriq-mc.txt +F: Documentation/devicetree/bindings/misc/fsl,dpaa2-console.yaml +F: Documentation/devicetree/bindings/misc/fsl,qoriq-mc.yaml F: Documentation/networking/device_drivers/ethernet/freescale/dpaa2/overview.rst F: drivers/bus/fsl-mc/ +F: include/linux/fsl/mc.h QT1010 MEDIA DRIVER M: Antti Palosaari -- 2.17.1