[PATCH v7 1/3] arm64: dts: ti: k3-am62/a: use sub-node for USB_PHY_CTRL registers

[Roger Quadros]

Exposing the entire CTRL_MMR space to syscon is not a good idea.
Add sub-nodes for USB0_PHY_CTRL and USB1_PHY_CTRL and use them
in the USB0/USB1 nodes.

Signed-off-by: Roger Quadros <rogerq at kernel.org>
Reviewed-by: Andrew Davis <afd at ti.com>
---
Changelog:
v7 - Rebased to v6.9-rc1
v6 - Rebased on next-20240226
v5 - no change.
v4 - no change. Added Andrew's Reviewed-by
v3 - no change
v2:
- moved am62p changes to next patch
- use new compatible for USB PHY CTRL node
---
 arch/arm64/boot/dts/ti/k3-am62-main.dtsi    |  4 ++--
 arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi  | 10 ++++++++++
 arch/arm64/boot/dts/ti/k3-am62a-main.dtsi   |  4 ++--
 arch/arm64/boot/dts/ti/k3-am62a-wakeup.dtsi | 10 ++++++++++
 4 files changed, 24 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..23f1464b26ed 100644
--- a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
@@ -622,7 +622,7 @@ usbss0: dwc3-usb at f900000 {
 		reg = <0x00 0x0f900000 0x00 0x800>;
 		clocks = <&k3_clks 161 3>;
 		clock-names = "ref";
-		ti,syscon-phy-pll-refclk = <&wkup_conf 0x4008>;
+		ti,syscon-phy-pll-refclk = <&usb0_phy_ctrl 0x0>;
 		#address-cells = <2>;
 		#size-cells = <2>;
 		power-domains = <&k3_pds 178 TI_SCI_PD_EXCLUSIVE>;
@@ -647,7 +647,7 @@ usbss1: dwc3-usb at f910000 {
 		reg = <0x00 0x0f910000 0x00 0x800>;
 		clocks = <&k3_clks 162 3>;
 		clock-names = "ref";
-		ti,syscon-phy-pll-refclk = <&wkup_conf 0x4018>;
+		ti,syscon-phy-pll-refclk = <&usb1_phy_ctrl 0x0>;
 		#address-cells = <2>;
 		#size-cells = <2>;
 		power-domains = <&k3_pds 179 TI_SCI_PD_EXCLUSIVE>;
diff --git a/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi
index 23ce1bfda8d6..66ddf2dc51af 100644
--- a/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi
@@ -21,6 +21,16 @@ chipid: chipid at 14 {
 			compatible = "ti,am654-chipid";
 			reg = <0x14 0x4>;
 		};
+
+		usb0_phy_ctrl: syscon at 4008 {
+			compatible = "ti,am62-usb-phy-ctrl", "syscon";
+			reg = <0x4008 0x4>;
+		};
+
+		usb1_phy_ctrl: syscon at 4018 {
+			compatible = "ti,am62-usb-phy-ctrl", "syscon";
+			reg = <0x4018 0x4>;
+		};
 	};
 
 	target-module at 2b300050 {
diff --git a/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi
index aa1e057082f0..a158df0d0ba6 100644
--- a/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi
@@ -606,7 +606,7 @@ usbss0: dwc3-usb at f900000 {
 		reg = <0x00 0x0f900000 0x00 0x800>;
 		clocks = <&k3_clks 161 3>;
 		clock-names = "ref";
-		ti,syscon-phy-pll-refclk = <&wkup_conf 0x4008>;
+		ti,syscon-phy-pll-refclk = <&usb0_phy_ctrl 0x0>;
 		#address-cells = <2>;
 		#size-cells = <2>;
 		power-domains = <&k3_pds 178 TI_SCI_PD_EXCLUSIVE>;
@@ -629,7 +629,7 @@ usbss1: dwc3-usb at f910000 {
 		reg = <0x00 0x0f910000 0x00 0x800>;
 		clocks = <&k3_clks 162 3>;
 		clock-names = "ref";
-		ti,syscon-phy-pll-refclk = <&wkup_conf 0x4018>;
+		ti,syscon-phy-pll-refclk = <&usb1_phy_ctrl 0x0>;
 		#address-cells = <2>;
 		#size-cells = <2>;
 		power-domains = <&k3_pds 179 TI_SCI_PD_EXCLUSIVE>;
diff --git a/arch/arm64/boot/dts/ti/k3-am62a-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-am62a-wakeup.dtsi
index f7bec484705a..98043e9aa316 100644
--- a/arch/arm64/boot/dts/ti/k3-am62a-wakeup.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62a-wakeup.dtsi
@@ -17,6 +17,16 @@ chipid: chipid at 14 {
 			compatible = "ti,am654-chipid";
 			reg = <0x14 0x4>;
 		};
+
+		usb0_phy_ctrl: syscon at 4008 {
+			compatible = "ti,am62-usb-phy-ctrl", "syscon";
+			reg = <0x4008 0x4>;
+		};
+
+		usb1_phy_ctrl: syscon at 4018 {
+			compatible = "ti,am62-usb-phy-ctrl", "syscon";
+			reg = <0x4018 0x4>;
+		};
 	};
 
 	wkup_uart0: serial at 2b300000 {

-- 
2.34.1