linux-kernel - [PATCH v2 1/7] dt-bindings: usb: Correct and extend FOTG210 schema

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Message-Id: <20230103-gemini-fotg210-usb-v2-1-100388af9810@linaro.org>
Date:   Wed, 18 Jan 2023 08:09:15 +0100
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc:     linux-usb@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Fabian Vogt <fabian@...ter-vogt.de>,
        Linus Walleij <linus.walleij@...aro.org>
Subject: [PATCH v2 1/7] dt-bindings: usb: Correct and extend FOTG210 schema

It turns out that this IP block exists in at least two
incarnations: FOTG200 and FOTG210. The one in the Gemini
is FOTG200, so add the variants and rectify the binding
for Gemini.

This affects things such as the placement of certain
registers.

It remains to be seen how similar this block is to the
third USB block from Faraday, FUSB220.

Signed-off-by: Linus Walleij <linus.walleij@...aro.org>
---
ChangeLog v1->v2:
- Drop stray word "bindings" in description
---
 Documentation/devicetree/bindings/usb/faraday,fotg210.yaml | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/usb/faraday,fotg210.yaml b/Documentation/devicetree/bindings/usb/faraday,fotg210.yaml
index 84b3b69256b1..3fe4d1564dfe 100644
--- a/Documentation/devicetree/bindings/usb/faraday,fotg210.yaml
+++ b/Documentation/devicetree/bindings/usb/faraday,fotg210.yaml
@@ -5,7 +5,7 @@
 $id: http://devicetree.org/schemas/usb/faraday,fotg210.yaml#
 $schema: http://devicetree.org/meta-schemas/core.yaml#
 
-title: Faraday Technology FOTG210 HS OTG USB 2.0 controller
+title: Faraday Technology FOTG200 series HS OTG USB 2.0 controller
 
 maintainers:
   - Linus Walleij <linus.walleij@...aro.org>
@@ -17,10 +17,11 @@ allOf:
 properties:
   compatible:
     oneOf:
+      - const: faraday,fotg200
       - const: faraday,fotg210
       - items:
           - const: cortina,gemini-usb
-          - const: faraday,fotg210
+          - const: faraday,fotg200
 
   reg:
     maxItems: 1
@@ -66,7 +67,7 @@ examples:
     #include <dt-bindings/clock/cortina,gemini-clock.h>
     #include <dt-bindings/reset/cortina,gemini-reset.h>
     usb0: usb@...00000 {
-        compatible = "cortina,gemini-usb", "faraday,fotg210";
+        compatible = "cortina,gemini-usb", "faraday,fotg200";
         reg = <0x68000000 0x1000>;
         interrupts = <10 IRQ_TYPE_LEVEL_HIGH>;
         resets = <&syscon GEMINI_RESET_USB0>;

-- 
2.39.0