linux-kernel - [PATCH v7 01/12] dt-bindings: phy: Add QMP PCIe PHY comptible for SM8550

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Message-Id: <20230203081807.2248625-2-abel.vesa@linaro.org>
Date:   Fri,  3 Feb 2023 10:17:56 +0200
From:   Abel Vesa <abel.vesa@...aro.org>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Rob Herring <robh@...nel.org>,
        Krzysztof Wilczyński <kw@...ux.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Lorenzo Pieralisi <lpieralisi@...nel.org>,
        "vkoul@...nel.org" <vkoul@...nel.org>,
        Kishon Vijay Abraham I <kishon@...nel.org>,
        Manivannan Sadhasivam <mani@...nel.org>,
        Johan Hovold <johan+linaro@...nel.org>
Cc:     linux-arm-msm@...r.kernel.org, linux-pci@...r.kernel.org,
        linux-phy@...ts.infradead.org, devicetree@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH v7 01/12] dt-bindings: phy: Add QMP PCIe PHY comptible for SM8550

Document the QMP PCIe PHY compatible for SM8550.

Signed-off-by: Abel Vesa <abel.vesa@...aro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---

This patchset relies on the following patchset:
https://lore.kernel.org/all/20230117224148.1914627-1-abel.vesa@linaro.org/

The v6 of this patch is:
https://lore.kernel.org/all/20230202123902.3831491-2-abel.vesa@linaro.org/

Changes since v6:
 * none

Changes since v5:
 * added Krzysztof's R-b tag
 * renmaed the no-CSR reset to "phy_nocsr" as discussed off-list with
   Bjorn and Johan

Changes since v4:
 * constrained resets and reset-names to 1 for every other SoC

Changes since v3:
 * increased the allowed number of resets to allow ncsr reset
 * added vdda-qref-supply which is used by pcie1_phy node in MTP dts
 * added both compatibles to the allOf:if:then clause to constrain the
   number of possible clocks to 5

Changes since v2:
 * added back the binding compatible update patch

Changes since v1:
 * split all the offsets into separate patches, like Vinod suggested

 .../phy/qcom,sc8280xp-qmp-pcie-phy.yaml       | 30 ++++++++++++++++++-
 1 file changed, 29 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml b/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml
index 8a85318d9c92..ef49efbd0a20 100644
--- a/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml
+++ b/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml
@@ -20,6 +20,8 @@ properties:
       - qcom,sc8280xp-qmp-gen3x2-pcie-phy
       - qcom,sc8280xp-qmp-gen3x4-pcie-phy
       - qcom,sm8350-qmp-gen3x1-pcie-phy
+      - qcom,sm8550-qmp-gen3x2-pcie-phy
+      - qcom,sm8550-qmp-gen4x2-pcie-phy
 
   reg:
     minItems: 1
@@ -43,16 +45,21 @@ properties:
     maxItems: 1
 
   resets:
-    maxItems: 1
+    minItems: 1
+    maxItems: 2
 
   reset-names:
+    minItems: 1
     items:
       - const: phy
+      - const: phy_nocsr
 
   vdda-phy-supply: true
 
   vdda-pll-supply: true
 
+  vdda-qref-supply: true
+
   qcom,4ln-config-sel:
     description: PCIe 4-lane configuration
     $ref: /schemas/types.yaml#/definitions/phandle-array
@@ -113,6 +120,8 @@ allOf:
           contains:
             enum:
               - qcom,sm8350-qmp-gen3x1-pcie-phy
+              - qcom,sm8550-qmp-gen3x2-pcie-phy
+              - qcom,sm8550-qmp-gen4x2-pcie-phy
     then:
       properties:
         clocks:
@@ -126,6 +135,25 @@ allOf:
         clock-names:
           minItems: 6
 
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - qcom,sm8550-qmp-gen4x2-pcie-phy
+    then:
+      properties:
+        resets:
+          minItems: 2
+        reset-names:
+          minItems: 2
+    else:
+      properties:
+        resets:
+          maxItems: 1
+        reset-names:
+          maxItems: 1
+
 examples:
   - |
     #include <dt-bindings/clock/qcom,gcc-sc8280xp.h>
-- 
2.34.1