[RESEND2 PATCH v5 3/3] arm64: dts: rockchip: Add support for CM5 IO carrier
Shawn Lin
shawn.lin at rock-chips.com
Tue Dec 2 01:00:44 PST 2025
Hi Fukaumi
在 2025/12/02 星期二 16:40, FUKAUMI Naoki 写道:
> From: Joseph Kogut <joseph.kogut at gmail.com>
>
> Specification:
> - 1x HDMI
> - 2x MIPI DSI
> - 2x MIPI CSI
> - 1x eDP
> - 1x M.2 E key
> - 1x USB 3.0 Host
> - 1x USB 3.0 OTG
> - 2x USB 2.0 Host
> - Headphone jack w/ microphone
> - Gigabit Ethernet w/ PoE
> - microSD slot
> - 40-pin expansion header
> - 12V DC
>
> Signed-off-by: Joseph Kogut <joseph.kogut at gmail.com>
> Signed-off-by: FUKAUMI Naoki <naoki at radxa.com>
> ---
> Rebased on linux-next 20251201, no change.
> ---
> arch/arm64/boot/dts/rockchip/Makefile | 1 +
> .../dts/rockchip/rk3588s-radxa-cm5-io.dts | 486 ++++++++++++++++++
> 2 files changed, 487 insertions(+)
> create mode 100644 arch/arm64/boot/dts/rockchip/rk3588s-radxa-cm5-io.dts
>
> diff --git a/arch/arm64/boot/dts/rockchip/Makefile b/arch/arm64/boot/dts/rockchip/Makefile
> index dbdda9783e93..699ed38235fe 100644
> --- a/arch/arm64/boot/dts/rockchip/Makefile
...
> + regulator-max-microvolt = <5000000>;
> + vin-supply = <&vcc5v0_sys>;
> + };
> +
> + vcc3v3_pcie: regulator-3v3-vcc-pcie {
> + compatible = "regulator-fixed";
> + regulator-name = "vcc3v3_pcie2x1l0";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + enable-active-high;
> + regulator-boot-on;
> + regulator-always-on;
Don't set pcie slot power as boot-on/always-on unless
you have special reasons. Because the power/PERST#/clock
is controlled by pcie host driver to make sure the timing
fit PCIe CEM spec for better compatibility.
> + gpios = <&gpio1 RK_PD3 GPIO_ACTIVE_HIGH>;
> + startup-delay-us = <50000>;
> + vin-supply = <&vcc5v0_sys>;
> + };
> +
> + vcc_3v3_s0: pldo-reg4 {
> + compatible = "regulator-fixed";
> + regulator-name = "vcc_3v3_s0";
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
...
> +};
> +
> +&sdmmc {
> + bus-width = <4>;
> + cap-mmc-highspeed;
> + cap-sd-highspeed;
> + disable-wp;
> + max-frequency = <200000000>;
Could be removed from board's dts unless you want to lower it.
> + no-sdio;
> + no-mmc;
> + sd-uhs-sdr104;
> + pinctrl-names = "default";
> + pinctrl-0 = <&sdmmc_bus4 &sdmmc_clk &sdmmc_cmd &sdmmc_det>;
> + vmmc-supply = <&vcc_3v3_s3>;
> + vqmmc-supply = <&vccio_sd_s0>;
> + status = "okay";
> +};
> +
> +&spi2 {
> + assigned-clocks = <&cru CLK_SPI2>;
> + assigned-clock-rates = <200000000>;
> + num-cs = <1>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&spi2m2_cs0 &spi2m2_pins>;
> + status = "okay";
> +
> + pmic at 0 {
> + compatible = "rockchip,rk806";
> + reg = <0x0>;
> + interrupt-parent = <&gpio0>;
> + interrupts = <7 IRQ_TYPE_LEVEL_LOW>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pmic_pins>, <&rk806_dvs1_null>,
> + <&rk806_dvs2_null>, <&rk806_dvs3_null>;
> + spi-max-frequency = <1000000>;
> + system-power-controller;
> +
> + vcc1-supply = <&vcc5v0_sys>;
> + vcc2-supply = <&vcc5v0_sys>;
> + vcc3-supply = <&vcc5v0_sys>;
> + vcc4-supply = <&vcc5v0_sys>;
> + vcc5-supply = <&vcc5v0_sys>;
> + vcc6-supply = <&vcc5v0_sys>;
> + vcc7-supply = <&vcc5v0_sys>;
> + vcc8-supply = <&vcc5v0_sys>;
> + vcc9-supply = <&vcc5v0_sys>;
> + vcc10-supply = <&vcc5v0_sys>;
> + vcc11-supply = <&vcc_2v0_pldo_s3>;
> + vcc12-supply = <&vcc5v0_sys>;
> + vcc13-supply = <&vdd2_ddr_s3>;
> + vcc14-supply = <&vdd2_ddr_s3>;
> + vcca-supply = <&vcc5v0_sys>;
> +
> + gpio-controller;
> + #gpio-cells = <2>;
> +
> + rk806_dvs1_null: dvs1-null-pins {
> + pins = "gpio_pwrctrl1";
> + function = "pin_fun0";
> + };
> +
> + rk806_dvs2_null: dvs2-null-pins {
> + pins = "gpio_pwrctrl2";
> + function = "pin_fun0";
> + };
> +
> + rk806_dvs3_null: dvs3-null-pins {
> + pins = "gpio_pwrctrl3";
> + function = "pin_fun0";
> + };
> +
> + regulators {
> + vdd_gpu_s0: dcdc-reg1 {
> + regulator-name = "vdd_gpu_s0";
> + regulator-boot-on;
> + regulator-enable-ramp-delay = <400>;
> + regulator-min-microvolt = <550000>;
> + regulator-max-microvolt = <950000>;
> + regulator-ramp-delay = <12500>;
> +
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +
> + vdd_cpu_lit_s0: dcdc-reg2 {
> + regulator-name = "vdd_cpu_lit_s0";
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <550000>;
> + regulator-max-microvolt = <950000>;
> + regulator-ramp-delay = <12500>;
> +
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +
> + vccio_sd_s0: pldo-reg5 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-name = "vccio_sd_s0";
> +
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +
> + vdd2_ddr_s3: dcdc-reg6 {
> + regulator-name = "vdd2_ddr_s3";
> + regulator-always-on;
> + regulator-boot-on;
> +
> + regulator-state-mem {
> + regulator-on-in-suspend;
> + };
> + };
> +
> + vcc_2v0_pldo_s3: dcdc-reg7 {
> + regulator-name = "vdd_2v0_pldo_s3";
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <2000000>;
> + regulator-max-microvolt = <2000000>;
> + regulator-ramp-delay = <12500>;
> +
> + regulator-state-mem {
> + regulator-on-in-suspend;
> + regulator-suspend-microvolt = <2000000>;
> + };
> + };
> +
> + vcc_3v3_s3: dcdc-reg8 {
> + regulator-name = "vcc_3v3_s3";
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> +
> + regulator-state-mem {
> + regulator-on-in-suspend;
> + regulator-suspend-microvolt = <3300000>;
> + };
> + };
> + };
> + };
> +};
> +
> +&u2phy0 {
> + status = "okay";
> +};
> +
> +&u2phy0_otg {
> + status = "okay";
> +};
> +
> +&u2phy2 {
> + status = "okay";
> +};
> +
> +&u2phy2_host {
> + status = "okay";
> +};
> +
> +&u2phy3 {
> + status = "okay";
> +};
> +
> +&u2phy3_host {
> + status = "okay";
> +};
> +
> +&uart2 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&uart2m0_xfer>;
> + status = "okay";
> +};
> +
> +&usb_host0_ehci {
> + status = "okay";
> +};
> +
> +&usb_host0_ohci {
> + status = "okay";
> +};
> +
> +&usb_host0_xhci {
> + dr_mode = "otg";
> + usb-role-switch;
> + status = "okay";
> +
> + port {
> + usb_host0_xhci_role_switch: endpoint {
> + remote-endpoint = <&usbc0_role_switch>;
> + };
> + };
> +};
> +
> +&usb_host1_ehci {
> + status = "okay";
> +};
> +
> +&usb_host1_ohci {
> + status = "okay";
> +};
> +
> +&usb_host2_xhci {
> + status = "okay";
> +};
> +
> +&usbdp_phy0 {
> + mode-switch;
> + orientation-switch;
> + sbu1-dc-gpios = <&gpio3 RK_PC4 GPIO_ACTIVE_HIGH>;
> + sbu2-dc-gpios = <&gpio3 RK_PD4 GPIO_ACTIVE_HIGH>;
> + status = "okay";
> +
> + port {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + usbdp_phy0_orientation_switch: endpoint at 0 {
> + reg = <0>;
> + remote-endpoint = <&usbc0_orientation_switch>;
> + };
> +
> + usbdp_phy0_dp_altmode_mux: endpoint at 1 {
> + reg = <1>;
> + remote-endpoint = <&usbc0_dp_altmode_mux>;
> + };
> + };
> +};
> +
> +&vop {
> + status = "okay";
> +};
> +
> +&vop_mmu {
> + status = "okay";
> +};
> +
> +&vp0 {
> + vp0_out_hdmi0: endpoint at ROCKCHIP_VOP2_EP_HDMI0 {
> + reg = <ROCKCHIP_VOP2_EP_HDMI0>;
> + remote-endpoint = <&hdmi0_in_vp0>;
> + };
> +};
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