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Message-ID: <17cb566ef79342f77b50ad999e9fa910be4cb27f.camel@redhat.com> Date: Thu, 06 Apr 2023 10:50:54 +0200 From: Paolo Abeni <pabeni@...hat.com> To: krzysztof.kozlowski+dt@...aro.org, robh+dt@...nel.org Cc: davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org, matthias.bgg@...il.com, linux-mediatek@...ts.infradead.org, nbd@....name, john@...ozen.org, sean.wang@...iatek.com, Mark-MC.Lee@...iatek.com, lorenzo.bianconi@...hat.com, daniel@...rotopia.org, devicetree@...r.kernel.org, Lorenzo Bianconi <lorenzo@...nel.org>, netdev@...r.kernel.org Subject: Re: [PATCH v2 net-next 06/10] dt-bindings: soc: mediatek: move ilm in a dedicated dts node On Fri, 2023-03-31 at 15:12 +0200, Lorenzo Bianconi wrote: > Since the ilm memory region is not part of the MT7986 RAM SoC, move ilm > in a deidicated syscon node. > > Signed-off-by: Lorenzo Bianconi <lorenzo@...nel.org> > --- > .../arm/mediatek/mediatek,mt7622-wed.yaml | 14 +++--- > .../soc/mediatek/mediatek,mt7986-wo-ilm.yaml | 45 +++++++++++++++++++ > 2 files changed, 53 insertions(+), 6 deletions(-) > create mode 100644 Documentation/devicetree/bindings/soc/mediatek/mediatek,mt7986-wo-ilm.yaml > > diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt7622-wed.yaml b/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt7622-wed.yaml > index 7f6638d43854..e63fb22447c6 100644 > --- a/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt7622-wed.yaml > +++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt7622-wed.yaml > @@ -32,14 +32,12 @@ properties: > memory-region: > items: > - description: firmware EMI region > - - description: firmware ILM region > - description: firmware DLM region > - description: firmware CPU DATA region > > memory-region-names: > items: > - const: wo-emi > - - const: wo-ilm > - const: wo-dlm > - const: wo-data > > @@ -51,6 +49,10 @@ properties: > $ref: /schemas/types.yaml#/definitions/phandle > description: mediatek wed-wo cpuboot controller interface. > > + mediatek,wo-ilm: > + $ref: /schemas/types.yaml#/definitions/phandle > + description: mediatek wed-wo ilm interface. > + > allOf: > - if: > properties: > @@ -63,6 +65,7 @@ allOf: > memory-region: false > mediatek,wo-ccif: false > mediatek,wo-cpuboot: false > + mediatek,wo-ilm: false > > required: > - compatible > @@ -97,11 +100,10 @@ examples: > reg = <0 0x15010000 0 0x1000>; > interrupts = <GIC_SPI 205 IRQ_TYPE_LEVEL_HIGH>; > > - memory-region = <&wo_emi>, <&wo_ilm>, <&wo_dlm>, > - <&wo_data>; > - memory-region-names = "wo-emi", "wo-ilm", "wo-dlm", > - "wo-data"; > + memory-region = <&wo_emi>, <&wo_dlm>, <&wo_data>; > + memory-region-names = "wo-emi", "wo-dlm", "wo-data"; > mediatek,wo-ccif = <&wo_ccif0>; > mediatek,wo-cpuboot = <&wo_cpuboot>; > + mediatek,wo-ilm = <&wo_ilm>; > }; > }; > diff --git a/Documentation/devicetree/bindings/soc/mediatek/mediatek,mt7986-wo-ilm.yaml b/Documentation/devicetree/bindings/soc/mediatek/mediatek,mt7986-wo-ilm.yaml > new file mode 100644 > index 000000000000..2a3775cd941e > --- /dev/null > +++ b/Documentation/devicetree/bindings/soc/mediatek/mediatek,mt7986-wo-ilm.yaml > @@ -0,0 +1,45 @@ > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/soc/mediatek/mediatek,mt7986-wo-ilm.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: MediaTek Wireless Ethernet Dispatch (WED) WO ILM firmware interface for MT7986 > + > +maintainers: > + - Lorenzo Bianconi <lorenzo@...nel.org> > + - Felix Fietkau <nbd@....name> > + > +description: > + The MediaTek wo-ilm (Information Lifecycle Management) provides a configuration > + interface for WiFi critical data used by WED WO firmware. WED WO controller is > + used to perform offload rx packet processing (e.g. 802.11 aggregation packet > + reordering or rx header translation) on MT7986 soc. > + > +properties: > + compatible: > + items: > + - enum: > + - mediatek,mt7986-wo-ilm > + - const: syscon > + > + reg: > + maxItems: 1 > + > +required: > + - compatible > + - reg > + > +additionalProperties: false > + > +examples: > + - | > + soc { > + #address-cells = <2>; > + #size-cells = <2>; > + > + syscon@...e0000 { > + compatible = "mediatek,mt7986-wo-ilm", "syscon"; > + reg = <0 0x151e0000 0 0x8000>; > + }; > + }; Hi Rob, it's not clear to me if this version and Lorenzo's replies on the previous one address your doubts here. Do you have any further comments? Thanks, Paolo
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