linux-kernel - [PATCH v3 2/4] dt-bindings: PCI: uniphier-ep: Add iATU register description

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Message-Id: <1601444167-11316-3-git-send-email-hayashi.kunihiko@socionext.com>
Date:   Wed, 30 Sep 2020 14:36:05 +0900
From:   Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
To:     Rob Herring <robh+dt@...nel.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Jingoo Han <jingoohan1@...il.com>,
        Gustavo Pimentel <gustavo.pimentel@...opsys.com>,
        Murali Karicheri <m-karicheri2@...com>
Cc:     linux-pci@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Masami Hiramatsu <masami.hiramatsu@...aro.org>,
        Jassi Brar <jaswinder.singh@...aro.org>,
        Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
Subject: [PATCH v3 2/4] dt-bindings: PCI: uniphier-ep: Add iATU register description

In the dt-bindings, "atu" reg-names is required to get the register space
for iATU in Synopsis DWC version 4.80 or later.

Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
---
 .../bindings/pci/socionext,uniphier-pcie-ep.yaml     | 20 ++++++++++++++------
 1 file changed, 14 insertions(+), 6 deletions(-)

diff --git a/Documentation/devicetree/bindings/pci/socionext,uniphier-pcie-ep.yaml b/Documentation/devicetree/bindings/pci/socionext,uniphier-pcie-ep.yaml
index f0558b9..f4292d2 100644
--- a/Documentation/devicetree/bindings/pci/socionext,uniphier-pcie-ep.yaml
+++ b/Documentation/devicetree/bindings/pci/socionext,uniphier-pcie-ep.yaml
@@ -23,14 +23,22 @@ properties:
     const: socionext,uniphier-pro5-pcie-ep
 
   reg:
-    maxItems: 4
+    minItems: 4
+    maxItems: 5
 
   reg-names:
-    items:
-      - const: dbi
-      - const: dbi2
-      - const: link
-      - const: addr_space
+    oneOf:
+      - items:
+        - const: dbi
+        - const: dbi2
+        - const: link
+        - const: addr_space
+      - items:
+        - const: dbi
+        - const: dbi2
+        - const: link
+        - const: addr_space
+        - const: atu
 
   clocks:
     maxItems: 2
-- 
2.7.4