[RESEND PATCH v3] arm64: dts: rockchip: Add PCIe clkreq stuff for RK3588 EVB1

[Anand Moon]

Hi Shawn,

On Thu, 4 Dec 2025 at 06:21, Shawn Lin <shawn.lin at rock-chips.com> wrote:
>
> Add supports-clkreq and pinmux for PCIe ASPM L1 substates.
>
> Signed-off-by: Shawn Lin <shawn.lin at rock-chips.com>
> Acked-by: Manivannan Sadhasivam <mani at kernel.org>
> Reviewed-by: Hans Zhang <hans.zhang at cixtech.com>
> ---
Thanks, are there plans to support this feature on the remaining
RK356x and RK3588 SBCs?

Thanks
-Anand
>
> It belongs to a series that adding L1ss support for Rockchip platforms.
> The driver changes has been in mainline via 6.19 merge window, so just
> resent this patch with collecting tags.
>
>  arch/arm64/boot/dts/rockchip/rk3588-evb1-v10.dts | 7 +++++--
>  1 file changed, 5 insertions(+), 2 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/rockchip/rk3588-evb1-v10.dts b/arch/arm64/boot/dts/rockchip/rk3588-evb1-v10.dts
> index ff1ba5e..c9d284c 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3588-evb1-v10.dts
> +++ b/arch/arm64/boot/dts/rockchip/rk3588-evb1-v10.dts
> @@ -522,6 +522,7 @@
>         pinctrl-names = "default";
>         pinctrl-0 = <&pcie2_0_rst>, <&pcie2_0_wake>, <&pcie2_0_clkreq>, <&wifi_host_wake_irq>;
>         reset-gpios = <&gpio4 RK_PA5 GPIO_ACTIVE_HIGH>;
> +       supports-clkreq;
>         vpcie3v3-supply = <&vcc3v3_wlan>;
>         status = "okay";
>
> @@ -545,7 +546,8 @@
>  &pcie2x1l1 {
>         reset-gpios = <&gpio4 RK_PA2 GPIO_ACTIVE_HIGH>;
>         pinctrl-names = "default";
> -       pinctrl-0 = <&pcie2_1_rst>, <&rtl8111_isolate>;
> +       pinctrl-0 = <&pcie2_1_rst>, <&rtl8111_isolate>, <&pcie30x1m1_1_clkreqn>;
> +       supports-clkreq;
>         status = "okay";
>  };
>
> @@ -555,7 +557,8 @@
>
>  &pcie3x4 {
>         pinctrl-names = "default";
> -       pinctrl-0 = <&pcie3_reset>;
> +       pinctrl-0 = <&pcie3_reset>, <&pcie30x4m1_clkreqn>;
> +       supports-clkreq;
>         reset-gpios = <&gpio4 RK_PB6 GPIO_ACTIVE_HIGH>;
>         vpcie3v3-supply = <&vcc3v3_pcie30>;
>         status = "okay";
> --
> 2.7.4
>
>
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