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@xxxxxxxxxx>
Reviewed-by: Andrew Davis <afd@xxxxxx>
---
Notes:
Changelog:
v4 - no change. Added Andrew's Reviewed-by
v3 - no change
https://lore.kernel.org/all/20240201120332.4811-3-rogerq@xxxxxxxxxx/
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 464b7565d085..9432ed344d52 100644
--- a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
@@ -625,7 +625,7 @@ usbss0: dwc3-usb@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>;
@@ -648,7 +648,7 @@ usbss1: dwc3-usb@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 fef76f52a52e..817700b2eacf 100644
--- a/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi
@@ -19,6 +19,16 @@ chipid: chipid@14 {
compatible = "ti,am654-chipid";
reg = <0x14 0x4>;
};
+
+ usb0_phy_ctrl: syscon@4008 {
+ compatible = "ti,am62-usb-phy-ctrl", "syscon";
+ reg = <0x4008 0x4>;
+ };
+
+ usb1_phy_ctrl: syscon@4018 {
+ compatible = "ti,am62-usb-phy-ctrl", "syscon";
+ reg = <0x4018 0x4>;
+ };
};
wkup_uart0: serial@2b300000 {
diff --git a/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi
index f0b8c9ab1459..8311c7c44cd3 100644
--- a/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi
@@ -566,7 +566,7 @@ usbss0: dwc3-usb@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>;
@@ -589,7 +589,7 @@ usbss1: dwc3-usb@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 4e8279fa01e1..4a375f5e0c19 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@14 {
compatible = "ti,am654-chipid";
reg = <0x14 0x4>;
};
+
+ usb0_phy_ctrl: syscon@4008 {
+ compatible = "ti,am62-usb-phy-ctrl", "syscon";
+ reg = <0x4008 0x4>;
+ };
+
+ usb1_phy_ctrl: syscon@4018 {
+ compatible = "ti,am62-usb-phy-ctrl", "syscon";
+ reg = <0x4018 0x4>;
+ };
};
wkup_uart0: serial@2b300000 {
--
2.34.1
