linux-kernel - [PATCH] arm64: dts: ti: k3-am62*: Add PHY2 region to USB wrapper node

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Message-Id: <20240412-for-v6-9-am62-usb-errata-dt-v1-1-ef0d79920f75@kernel.org>
Date: Fri, 12 Apr 2024 14:52:14 +0300
From: Roger Quadros <rogerq@...nel.org>
To: Nishanth Menon <nm@...com>, Vignesh Raghavendra <vigneshr@...com>, 
 Tero Kristo <kristo@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, 
 Conor Dooley <conor+dt@...nel.org>
Cc: afd@...com, srk@...com, r-gunasekaran@...com, b-liu@...com, 
 francesco@...cini.it, linux-arm-kernel@...ts.infradead.org, 
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Roger Quadros <rogerq@...nel.org>
Subject: [PATCH] arm64: dts: ti: k3-am62*: Add PHY2 region to USB wrapper
 node

Add PHY2 register space to USB wrapper node. This is required
to deal with Errata i2409.

Signed-off-by: Roger Quadros <rogerq@...nel.org>
---
Hi Vignesh/Nishanth,

Please include this in -rc cycle. This should get rid of below
messages since v6.9-rc1

[    0.583305] dwc3-am62 f910000.dwc3-usb: invalid resource (null)
[    0.589304] dwc3-am62 f910000.dwc3-usb: can't map PHY IOMEM resource. Won't apply i2409 fix.

cheers,
-roger
---
 arch/arm64/boot/dts/ti/k3-am62-main.dtsi  | 6 ++++--
 arch/arm64/boot/dts/ti/k3-am62a-main.dtsi | 6 ++++--
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
index e9cffca073ef..e0ec28b14a07 100644
--- a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
@@ -619,7 +619,8 @@ sdhci2: mmc@...0000 {
 
 	usbss0: dwc3-usb@...0000 {
 		compatible = "ti,am62-usb";
-		reg = <0x00 0x0f900000 0x00 0x800>;
+		reg = <0x00 0x0f900000 0x00 0x800>,
+		      <0x00 0x0f908000 0x00 0x400>;
 		clocks = <&k3_clks 161 3>;
 		clock-names = "ref";
 		ti,syscon-phy-pll-refclk = <&wkup_conf 0x4008>;
@@ -644,7 +645,8 @@ usb0: usb@...00000 {
 
 	usbss1: dwc3-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>;
diff --git a/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi
index aa1e057082f0..93494e30305b 100644
--- a/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi
@@ -603,7 +603,8 @@ sdhci2: mmc@...0000 {
 
 	usbss0: dwc3-usb@...0000 {
 		compatible = "ti,am62-usb";
-		reg = <0x00 0x0f900000 0x00 0x800>;
+		reg = <0x00 0x0f900000 0x00 0x800>,
+		      <0x00 0x0f908000 0x00 0x400>;
 		clocks = <&k3_clks 161 3>;
 		clock-names = "ref";
 		ti,syscon-phy-pll-refclk = <&wkup_conf 0x4008>;
@@ -626,7 +627,8 @@ usb0: usb@...00000 {
 
 	usbss1: dwc3-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>;

---
base-commit: 4cece764965020c22cff7665b18a012006359095
change-id: 20240412-for-v6-9-am62-usb-errata-dt-a2c550b7e9a0

Best regards,
-- 
Roger Quadros <rogerq@...nel.org>