From: Heiko Stuebner Date: Tue, 10 Feb 2026 08:03:00 +0000 (+0100) Subject: arm64: dts: rockchip: use gated-fixed-clock for pcie-refclk on rk3588-tiger X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=cfe2d65332eff95ac7308478897760888f957aeb;p=thirdparty%2Fkernel%2Flinux.git arm64: dts: rockchip: use gated-fixed-clock for pcie-refclk on rk3588-tiger Using a combination of fixed clock and gpio-gate clock works but does not describe the actual hardware. Use the gated-fixed-clock binding to describe this in a nicer way. Signed-off-by: Heiko Stuebner Reviewed-by: Shawn Lin Reviewed-by: Quentin Schulz Link: https://patch.msgid.link/20260210080303.680403-3-heiko@sntech.de Signed-off-by: Heiko Stuebner --- diff --git a/arch/arm64/boot/dts/rockchip/rk3588-tiger.dtsi b/arch/arm64/boot/dts/rockchip/rk3588-tiger.dtsi index 27269b7b08aa7..b4b8f305935fb 100644 --- a/arch/arm64/boot/dts/rockchip/rk3588-tiger.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3588-tiger.dtsi @@ -47,23 +47,14 @@ }; }; - /* - * 100MHz reference clock for PCIe peripherals from PI6C557-05BLE - * clock generator. - * The clock output is gated via the OE pin on the clock generator. - * This is modeled as a fixed-clock plus a gpio-gate-clock. - */ - pcie_refclk_gen: pcie-refclk-gen-clock { - compatible = "fixed-clock"; + /* 100MHz PCIe reference clock from PI6C557-05BLE */ + pcie_refclk: pcie-clock-generator { + compatible = "gated-fixed-clock"; #clock-cells = <0>; clock-frequency = <100000000>; - }; - - pcie_refclk: pcie-refclk-clock { - compatible = "gpio-gate-clock"; - clocks = <&pcie_refclk_gen>; - #clock-cells = <0>; + clock-output-names = "pcie-refclk-clock"; enable-gpios = <&gpio4 RK_PB4 GPIO_ACTIVE_HIGH>; /* PCIE30X4_CLKREQN_M1_L */ + vdd-supply = <&vcca_3v3_s0>; }; vcc_1v1_nldo_s3: regulator-vcc-1v1-nldo-s3 {