[PATCH v2] arm64: dts: imx8mp: correct usb clocks

[Alexander Stein]

Hello,

Am Dienstag, 13. September 2022, 13:10:26 CEST schrieb Li Jun:
> After commit cf7f3f4fa9e5 ("clk: imx8mp: fix usb_root_clk parent"),
> usb_root_clk is no longer for suspend clock so update dts accordingly
> to use right bus clock and suspend clock.
> 
> Cc: stable at vger.kernel.org # v5.19+
> Signed-off-by: Li Jun <jun.li at nxp.com>
> ---
> change for v2:
> - Add stable tag to apply v5.19+
> 
>  arch/arm64/boot/dts/freescale/imx8mp.dtsi | 12 ++++++------
>  1 file changed, 6 insertions(+), 6 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> b/arch/arm64/boot/dts/freescale/imx8mp.dtsi index
> fe178b7d063c..2f18778a057f 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> @@ -1169,7 +1169,7 @@ usb3_0: usb at 32f10100 {
>  			reg = <0x32f10100 0x8>,
>  			      <0x381f0000 0x20>;
>  			clocks = <&clk IMX8MP_CLK_HSIO_ROOT>,
> -				 <&clk IMX8MP_CLK_USB_ROOT>;
> +				 <&clk IMX8MP_CLK_USB_SUSP>;
>  			clock-names = "hsio", "suspend";
>  			interrupts = <GIC_SPI 148 
IRQ_TYPE_LEVEL_HIGH>;
>  			power-domains = <&hsio_blk_ctrl 
IMX8MP_HSIOBLK_PD_USB>;
> @@ -1182,9 +1182,9 @@ usb3_0: usb at 32f10100 {
>  			usb_dwc3_0: usb at 38100000 {
>  				compatible = "snps,dwc3";
>  				reg = <0x38100000 0x10000>;
> -				clocks = <&clk 
IMX8MP_CLK_HSIO_AXI>,
> +				clocks = <&clk 
IMX8MP_CLK_USB_ROOT>,
>  					 <&clk 
IMX8MP_CLK_USB_CORE_REF>,
> -					 <&clk 
IMX8MP_CLK_USB_ROOT>;
> +					 <&clk 
IMX8MP_CLK_USB_SUSP>;
>  				clock-names = "bus_early", "ref", 
"suspend";
>  				interrupts = <GIC_SPI 40 
IRQ_TYPE_LEVEL_HIGH>;
>  				phys = <&usb3_phy0>, <&usb3_phy0>;
> @@ -1211,7 +1211,7 @@ usb3_1: usb at 32f10108 {
>  			reg = <0x32f10108 0x8>,
>  			      <0x382f0000 0x20>;
>  			clocks = <&clk IMX8MP_CLK_HSIO_ROOT>,
> -				 <&clk IMX8MP_CLK_USB_ROOT>;
> +				 <&clk IMX8MP_CLK_USB_SUSP>;
>  			clock-names = "hsio", "suspend";
>  			interrupts = <GIC_SPI 149 
IRQ_TYPE_LEVEL_HIGH>;
>  			power-domains = <&hsio_blk_ctrl 
IMX8MP_HSIOBLK_PD_USB>;
> @@ -1224,9 +1224,9 @@ usb3_1: usb at 32f10108 {
>  			usb_dwc3_1: usb at 38200000 {
>  				compatible = "snps,dwc3";
>  				reg = <0x38200000 0x10000>;
> -				clocks = <&clk 
IMX8MP_CLK_HSIO_AXI>,
> +				clocks = <&clk 
IMX8MP_CLK_USB_ROOT>,
>  					 <&clk 
IMX8MP_CLK_USB_CORE_REF>,
> -					 <&clk 
IMX8MP_CLK_USB_ROOT>;
> +					 <&clk 
IMX8MP_CLK_USB_SUSP>;
>  				clock-names = "bus_early", "ref", 
"suspend";
>  				interrupts = <GIC_SPI 41 
IRQ_TYPE_LEVEL_HIGH>;
>  				phys = <&usb3_phy1>, <&usb3_phy1>;

Together with the series [1] & [2] this fixes devices detection when the 
onboard hub is in runtime suspend.

Tested-by: Alexander Stein <alexander.stein at ew.tq-group.com>

[1] https://lore.kernel.org/all/1662547028-22279-1-git-send-email-jun.li@nxp.com/
[2] https://lore.kernel.org/all/20220907144624.2810117-1-alexander.stein@ew.tq-group.com/