[RESEND2 PATCH v5 3/3] arm64: dts: rockchip: Add support for CM5 IO carrier
FUKAUMI Naoki
naoki at radxa.com
Wed Dec 3 01:04:58 PST 2025
Hi Shawn,
Thanks for your review!
I'll reflect your suggestions in v6.
Best regards,
--
FUKAUMI Naoki
Radxa Computer (Shenzhen) Co., Ltd.
On 12/2/25 18:00, Shawn Lin wrote:
> 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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