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@xxxxxxxxxxxxxxx # v5.19+
> Signed-off-by: Li Jun <jun.li@xxxxxxx>
> ---
> 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@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@32f10100 {
> usb_dwc3_0: usb@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@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@32f10108 {
> usb_dwc3_1: usb@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@xxxxxxxxxxxxxxx>
[1] https://lore.kernel.org/all/1662547028-22279-1-git-send-email-jun.li@xxxxxxx/
[2] https://lore.kernel.org/all/20220907144624.2810117-1-alexander.stein@xxxxxxxxxxxxxxx/
