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Message-Id: <20230119140453.3942340-10-abel.vesa@linaro.org>
Date:   Thu, 19 Jan 2023 16:04:50 +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>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Rob Herring <robh@...nel.org>,
        Krzysztof WilczyƄski <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>
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>
Subject: [PATCH v4 09/12] dt-bindings: PCI: qcom: Add SM8550 compatible

Add the SM8550 platform to the binding.

Signed-off-by: Abel Vesa <abel.vesa@...aro.org>
---

The v3 of this patchset is:
https://lore.kernel.org/all/20230119112453.3393911-1-abel.vesa@linaro.org/

Changes since v3:
 * renamed noc_aggr to noc_aggr_4, as found in the driver

Changes since v2:
 * dropped the pipe from clock-names
 * removed the pcie instance number from aggre clock-names comment
 * renamed aggre clock-names to noc_aggr
 * dropped the _pcie infix from cnoc_pcie_sf_axi
 * renamed pcie_1_link_down_reset to simply link_down
 * added enable-gpios back, since pcie1 node will use it

Changes since v1:
 * Switched to single compatible for both PCIes (qcom,pcie-sm8550)
 * dropped enable-gpios property
 * dropped interconnects related properties, the power-domains
 * properties
   and resets related properties the sm8550 specific allOf:if:then
 * dropped pipe_mux, phy_pipe and ref clocks from the sm8550 specific
   allOf:if:then clock-names array and decreased the minItems and
   maxItems for clocks property accordingly
 * added "minItems: 1" to interconnects, since sm8550 pcie uses just
 * one,
   same for interconnect-names


 .../devicetree/bindings/pci/qcom,pcie.yaml    | 44 +++++++++++++++++++
 1 file changed, 44 insertions(+)

diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
index a5859bb3dc28..58f926666332 100644
--- a/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
+++ b/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
@@ -34,6 +34,7 @@ properties:
       - qcom,pcie-sm8250
       - qcom,pcie-sm8450-pcie0
       - qcom,pcie-sm8450-pcie1
+      - qcom,pcie-sm8550
       - qcom,pcie-ipq6018
 
   reg:
@@ -65,9 +66,11 @@ properties:
   dma-coherent: true
 
   interconnects:
+    minItems: 1
     maxItems: 2
 
   interconnect-names:
+    minItems: 1
     items:
       - const: pcie-mem
       - const: cpu-pcie
@@ -102,6 +105,10 @@ properties:
   power-domains:
     maxItems: 1
 
+  enable-gpios:
+    description: GPIO controlled connection to ENABLE# signal
+    maxItems: 1
+
   perst-gpios:
     description: GPIO controlled connection to PERST# signal
     maxItems: 1
@@ -197,6 +204,7 @@ allOf:
               - qcom,pcie-sm8250
               - qcom,pcie-sm8450-pcie0
               - qcom,pcie-sm8450-pcie1
+              - qcom,pcie-sm8550
     then:
       properties:
         reg:
@@ -611,6 +619,41 @@ allOf:
           items:
             - const: pci # PCIe core reset
 
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - qcom,pcie-sm8550
+    then:
+      properties:
+        clocks:
+          minItems: 7
+          maxItems: 8
+        clock-names:
+          minItems: 7
+          items:
+            - const: aux # Auxiliary clock
+            - const: cfg # Configuration clock
+            - const: bus_master # Master AXI clock
+            - const: bus_slave # Slave AXI clock
+            - const: slave_q2a # Slave Q2A clock
+            - const: ddrss_sf_tbu # PCIe SF TBU clock
+            - const: noc_aggr_4 # Aggre NoC PCIe AXI clock
+            - const: cnoc_sf_axi # Config NoC PCIe1 AXI clock
+        iommus:
+          maxItems: 1
+        iommu-map:
+          maxItems: 2
+        resets:
+          minItems: 1
+          maxItems: 2
+        reset-names:
+          minItems: 1
+          items:
+            - const: pci # PCIe core reset
+            - const: link_down # PCIe link down reset
+
   - if:
       properties:
         compatible:
@@ -694,6 +737,7 @@ allOf:
               - qcom,pcie-sm8250
               - qcom,pcie-sm8450-pcie0
               - qcom,pcie-sm8450-pcie1
+              - qcom,pcie-sm8550
     then:
       oneOf:
         - properties:
-- 
2.34.1

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