linux-kernel - [RFC v1 02/12] dt-bindings: PCI: mediatek-gen3: add support for mt7986

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Message-Id: <20221017104141.7338-3-linux@fw-web.de>
Date:   Mon, 17 Oct 2022 12:41:31 +0200
From:   Frank Wunderlich <linux@...web.de>
To:     linux-mediatek@...ts.infradead.org
Cc:     Frank Wunderlich <frank-w@...lic-files.de>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: [RFC v1 02/12] dt-bindings: PCI: mediatek-gen3: add support for mt7986

From: Frank Wunderlich <frank-w@...lic-files.de>

Add compatible string for mt7986.

Signed-off-by: Frank Wunderlich <frank-w@...lic-files.de>
---
mt7986a.dtsi misses clock-names which are now required since support of
MT8192/MT8188/MT8195. This change also introduces a 6th clock which is
now needed for all pcie-gen3 dts.

i do not know how to map the clocks to the names...

mediatek-pcie-gen3.yaml:

  clock-names:
    items:
      - const: pl_250m
      - const: tl_26m
      - const: tl_96m
      - const: tl_32k
      - const: peri_26m
      - enum:
          - top_133m        # for MT8192
          - peri_mem        # for MT8188/MT8195

mt7986a.dtsi:

	clocks = <&infracfg CLK_INFRA_PCIE_SEL>,
		 <&infracfg CLK_INFRA_IPCIE_CK>,
		 <&infracfg CLK_INFRA_IPCIE_PIPE_CK>,
		 <&infracfg CLK_INFRA_IPCIER_CK>,
		 <&infracfg CLK_INFRA_IPCIEB_CK>;
---
 Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml b/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml
index c00be39af64e..b372c8351d9a 100644
--- a/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml
+++ b/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml
@@ -51,6 +51,7 @@ properties:
     oneOf:
       - items:
           - enum:
+              - mediatek,mt7986-pcie
               - mediatek,mt8188-pcie
               - mediatek,mt8195-pcie
           - const: mediatek,mt8192-pcie
-- 
2.34.1