[PATCH v3] arm64: dts: imx8mp: correct usb clocks

[Shawn Guo]

Added Abel.

On Mon, Sep 19, 2022 at 01:26:37PM +0800, Li Jun wrote:
> 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.
> 
> Fixes: fb8587a2c165 ("arm64: dtsi: imx8mp: add usb nodes")
> Cc: stable at vger.kernel.org # v5.19+
> Reviewed-by: Peng Fan <peng.fan at nxp.com>
> Tested-by: Alexander Stein <alexander.stein at ew.tq-group.com>
> Signed-off-by: Li Jun <jun.li at nxp.com>

I just realized this patch has a hard/build dependency on define
IMX8MP_CLK_USB_SUSP.  So the patch needs to go upstream via the same
tree that the define is applied.  I guess that's Abel's i.MX clk tree?
In that case:

Acked-by: Shawn Guo <shawnguo at kernel.org>

Shawn

> ---
> change for v3:
> -  Add fixes tag, Alexander's T-b and Peng's R-b tages.
> 
> 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>;
> -- 
> 2.34.1
>