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arm64: dts: ti: k3-am62/a: use sub-node for USB_PHY_CTRL registers

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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@kernel.org>
Reviewed-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20240412-for-v6-10-am62-usb-typec-dt-v7-1-93b827adf97e@kernel.org
Signed-off-by: Nishanth Menon <nm@ti.com>
This commit is contained in:
Roger Quadros
2024-04-12 15:01:58 +03:00
committed by Nishanth Menon
parent 556e0504b0
commit ef80ebe421
4 changed files with 24 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
arch/arm64/boot/dts/ti/k3-am62-main.dtsi
View File

@@ -623,7 +623,7 @@ usbss0: dwc3-usb@f900000 {
<0x00 0x0f908000 0x00 0x400>;
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>;
@@ -649,7 +649,7 @@ usbss1: dwc3-usb@f910000 {
<0x00 0x0f918000 0x00 0x400>;
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>;

10
arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi
View File

@@ -21,6 +21,16 @@ 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>;
};
};
target-module@2b300050 {

4
arch/arm64/boot/dts/ti/k3-am62a-main.dtsi
View File

@@ -607,7 +607,7 @@ usbss0: dwc3-usb@f900000 {
<0x00 0x0f908000 0x00 0x400>;
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>;
@@ -631,7 +631,7 @@ usbss1: dwc3-usb@f910000 {
<0x00 0x0f918000 0x00 0x400>;
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>;

10
arch/arm64/boot/dts/ti/k3-am62a-wakeup.dtsi
View File

@@ -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 {