linux-kernel - [PATCH v2 4/5] dt-bindings: usb/ti,am62-usb.yaml: Add PHY2 register space

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Message-Id: <20240205141221.56076-5-rogerq@kernel.org>
Date: Mon,  5 Feb 2024 16:12:20 +0200
From: Roger Quadros <rogerq@...nel.org>
To: Thinh.Nguyen@...opsys.com
Cc: gregkh@...uxfoundation.org,
	r-gunasekaran@...com,
	b-liu@...com,
	afd@...com,
	nm@...com,
	srk@...com,
	linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Roger Quadros <rogerq@...nel.org>,
	Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>
Subject: [PATCH v2 4/5] dt-bindings: usb/ti,am62-usb.yaml: Add PHY2 register space

Add PHY2 register space to DT binding documentation.

We use minItems: 1 as DT update will come later and we don't
want warnings for existing DTs.

So far this register space was not required but due to the
newly identified Errata i2409 [1] we need to poke this
register space.

[1] https://www.ti.com/lit/er/sprz487d/sprz487d.pdf

Cc: Rob Herring <robh+dt@...nel.org>
Cc: Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc: Conor Dooley <conor+dt@...nel.org>
Signed-off-by: Roger Quadros <rogerq@...nel.org>
---

Notes:
    Changelog:
    
    v2: add minItems and update commit log
    
    v1: was sent as part of different series
        https://lore.kernel.org/all/20240201120332.4811-5-rogerq@kernel.org/

 Documentation/devicetree/bindings/usb/ti,am62-usb.yaml | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/usb/ti,am62-usb.yaml b/Documentation/devicetree/bindings/usb/ti,am62-usb.yaml
index fec5651f5602..f6e6d084d1c5 100644
--- a/Documentation/devicetree/bindings/usb/ti,am62-usb.yaml
+++ b/Documentation/devicetree/bindings/usb/ti,am62-usb.yaml
@@ -14,7 +14,10 @@ properties:
     const: ti,am62-usb
 
   reg:
-    maxItems: 1
+    minItems: 1
+    items:
+      - description: USB CFG register space
+      - description: USB PHY2 register space
 
   ranges: true
 
@@ -82,7 +85,8 @@ examples:
 
       usbss1: usb@...0000 {
         compatible = "ti,am62-usb";
-        reg = <0x00 0x0f910000 0x00 0x800>;
+        reg = <0x00 0x0f910000 0x00 0x800>,
+              <0x00 0x0f918000 0x00 0x400>;
         clocks = <&k3_clks 162 3>;
         clock-names = "ref";
         ti,syscon-phy-pll-refclk = <&wkup_conf 0x4018>;
-- 
2.34.1