Hi Jagan,
On 11/2/22 13:46, Jagan Teki wrote:
> Neural Compute Module 2(Neu2) is a 96boards SoM-CB compute module
> based on Rockchip RV1126 from Edgeble AI.
>
> General features:
> - Rockchip RV1126
> - 2/4GB LPDDR4
> - 8/16/32GB eMMC
> - 2x MIPI CSI2 FPC connector
> - Fn-link 8223A-SR WiFi/BT
>
> Industrial grade (-40 °C to +85 °C) version of the same class of module
> called Neu2k powered with Rockchip RV1126K.
>
> Neu2 needs to mount on top of Edgeble IO boards for creating complete
> platform solutions.
>
> Add support for it.
>
> Signed-off-by: Jagan Teki <jagan@xxxxxxxxxx>
> ---
> Changes for v6:
> - updated the SOM name
>
> arch/arm/boot/dts/rv1126-edgeble-neu2.dtsi | 353 +++++++++++++++++++++
> 1 file changed, 353 insertions(+)
> create mode 100644 arch/arm/boot/dts/rv1126-edgeble-neu2.dtsi
>
> diff --git a/arch/arm/boot/dts/rv1126-edgeble-neu2.dtsi b/arch/arm/boot/dts/rv1126-edgeble-neu2.dtsi
> new file mode 100644
> index 000000000000..6425ba5714ea
> --- /dev/null
> +++ b/arch/arm/boot/dts/rv1126-edgeble-neu2.dtsi
> @@ -0,0 +1,353 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Copyright (c) 2020 Rockchip Electronics Co., Ltd.
> + * Copyright (c) 2022 Edgeble AI Technologies Pvt. Ltd.
> + */
> +
> +/ {
> + compatible = "edgeble,neural-compute-module-2", "rockchip,rv1126";
> +
> + aliases {
> + mmc0 = &emmc;
> + };
> +
> + vcc5v0_sys: vccsys {
Comment by Krzysztof:
Generic node names, so at least regulator prefix or suffix.
> + compatible = "regulator-fixed";
> + regulator-name = "vcc5v0_sys";
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + };
> +
> + vccio_flash: vccio-flash {
same
> + compatible = "regulator-fixed";
> + enable-active-high;
> + gpios = <&gpio0 RK_PB3 GPIO_ACTIVE_HIGH>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&flash_vol_sel>;
> + regulator-name = "vccio_flash";
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + vin-supply = <&vcc_3v3>;
> + };
> +
> + sdio_pwrseq: sdio-pwrseq {
> + compatible = "mmc-pwrseq-simple";
> + clocks = <&rk809 1>;
> + clock-names = "ext_clock";
> + pinctrl-names = "default";
> + pinctrl-0 = <&wifi_enable_h>;
> + reset-gpios = <&gpio1 RK_PD0 GPIO_ACTIVE_LOW>;
> + };
> +};
> +
> +&cpu0 {
> + cpu-supply = <&vdd_arm>;
> +};
> +
> +&emmc {
> + bus-width = <8>;
> + non-removable;
> + pinctrl-names = "default";
> + pinctrl-0 = <&emmc_bus8 &emmc_cmd &emmc_clk &emmc_rstnout>;
> + vmmc-supply = <&vcc_3v3>;
> + vqmmc-supply = <&vccio_flash>
> + rockchip,default-sample-phase = <90>;
sort
> + status = "okay";
> +};
> +
> +&i2c0 {
> + status = "okay";
status below other properties
> + clock-frequency = <400000>;
> +
> + rk809: pmic@20 {
> + compatible = "rockchip,rk809";
> + reg = <0x20>;
> + interrupt-parent = <&gpio0>;
> + interrupts = <RK_PB1 IRQ_TYPE_LEVEL_LOW>;
> + #clock-cells = <1>;
> + clock-output-names = "rk808-clkout1", "rk808-clkout2";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pmic_int_l>;
> + rockchip,system-power-controller;
> + wakeup-source;
> +
> + vcc1-supply = <&vcc5v0_sys>;
> + vcc2-supply = <&vcc5v0_sys>;
> + vcc3-supply = <&vcc5v0_sys>;
> + vcc4-supply = <&vcc5v0_sys>;
> + vcc5-supply = <&vcc_buck5>;
> + vcc6-supply = <&vcc_buck5>;
> + vcc7-supply = <&vcc5v0_sys>;
> + vcc8-supply = <&vcc3v3_sys>;
> + vcc9-supply = <&vcc5v0_sys>;
> +
> + regulators {
> + vdd_npu_vepu: DCDC_REG1 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <650000>;
> + regulator-max-microvolt = <950000>;
> + regulator-ramp-delay = <6001>;
> + regulator-initial-mode = <0x2>;
> + regulator-name = "vdd_npu_vepu";
Exception to the Heiko's sort rules:
regulator-name above all other properties that start with 'regulator-'.
> +
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +
> + vdd_arm: DCDC_REG2 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <725000>;
> + regulator-max-microvolt = <1350000>;
> + regulator-ramp-delay = <6001>;
> + regulator-initial-mode = <0x2>;
> + regulator-name = "vdd_arm";
> +
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +
> + vcc_ddr: DCDC_REG3 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-initial-mode = <0x2>;
> + regulator-name = "vcc_ddr";
> +
> + regulator-state-mem {
> + regulator-on-in-suspend;
> + };
> + };
> +
> + vcc3v3_sys: DCDC_REG4 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-initial-mode = <0x2>;
> + regulator-name = "vcc3v3_sys";
> +
> + regulator-state-mem {
> + regulator-on-in-suspend;
> + regulator-suspend-microvolt = <3300000>;
> + };
> + };
> +
> + vcc_buck5: DCDC_REG5 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <2200000>;
> + regulator-max-microvolt = <2200000>;
> + regulator-name = "vcc_buck5";
> +
> + regulator-state-mem {
> + regulator-on-in-suspend;
> + regulator-suspend-microvolt = <2200000>;
> + };
> + };
> +
> + vcc_0v8: LDO_REG1 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <800000>;
> + regulator-max-microvolt = <800000>;
> + regulator-name = "vcc_0v8";
> +
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +
> + vcc1v8_pmu: LDO_REG2 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-name = "vcc1v8_pmu";
> +
> + regulator-state-mem {
> + regulator-on-in-suspend;
> + regulator-suspend-microvolt = <1800000>;
> + };
> + };
> +
> + vdd0v8_pmu: LDO_REG3 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <800000>;
> + regulator-max-microvolt = <800000>;
> + regulator-name = "vcc0v8_pmu";
> +
> + regulator-state-mem {
> + regulator-on-in-suspend;
> + regulator-suspend-microvolt = <800000>;
> + };
> + };
> +
> + vcc_1v8: LDO_REG4 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-name = "vcc_1v8";
> +
> + regulator-state-mem {
> + regulator-on-in-suspend;
> + regulator-suspend-microvolt = <1800000>;
> + };
> + };
> +
> + vcc_dovdd: LDO_REG5 {
> + regulator-boot-on;
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-name = "vcc_dovdd";
> +
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +
> + vcc_dvdd: LDO_REG6 {
> + regulator-min-microvolt = <1200000>;
> + regulator-max-microvolt = <1200000>;
> + regulator-name = "vcc_dvdd";
> +
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +
> + vcc_avdd: LDO_REG7 {
> + regulator-min-microvolt = <2800000>;
> + regulator-max-microvolt = <2800000>;
> + regulator-name = "vcc_avdd";
> +
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +
> + vccio_sd: LDO_REG8 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-name = "vccio_sd";
> +
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +
> + vcc3v3_sd: LDO_REG9 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-name = "vcc3v3_sd";
> +
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +
> + vcc_5v0: SWITCH_REG1 {
> + regulator-name = "vcc_5v0";
> + };
> +
> + vcc_3v3: SWITCH_REG2 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-name = "vcc_3v3";
> + };
> + };
> + };
> +};
> +
> +&pinctrl {
> + bt {
> + bt_enable: bt-enable {
> + rockchip,pins = <3 RK_PA5 RK_FUNC_GPIO &pcfg_pull_none>;
> + };
> + };
> +
> + flash {
> + flash_vol_sel: flash-vol-sel {
> + rockchip,pins = <0 RK_PB3 RK_FUNC_GPIO &pcfg_pull_none>;
> + };
> + };
> +
> + pmic {
> + pmic_int_l: pmic-int-l {
> + rockchip,pins = <0 RK_PB1 RK_FUNC_GPIO &pcfg_pull_up>;
> + };
> + };
> +
> + wifi {
> + wifi_enable_h: wifi-enable-h {
> + rockchip,pins = <1 RK_PD0 RK_FUNC_GPIO &pcfg_pull_none>;
> + };
> + };
> +};
> +
> +&pmu_io_domains {
> + pmuio0-supply = <&vcc1v8_pmu>;
> + pmuio1-supply = <&vcc3v3_sys>;
> + vccio1-supply = <&vccio_flash>;
> + vccio2-supply = <&vccio_sd>;
> + vccio3-supply = <&vcc_1v8>;
> + vccio4-supply = <&vcc_dovdd>;
> + vccio5-supply = <&vcc_1v8>;
> + vccio6-supply = <&vcc_1v8>;
> + vccio7-supply = <&vcc_dovdd>;
> + status = "okay";
> +};
> +
> +&saradc {
> + vref-supply = <&vcc_1v8>;
> + status = "okay";
> +};
> +
> +&sdio {
> + #address-cells = <1>;
> + #size-cells = <0>;
Properties that start with '#' down the list as possible, but above status.
Only needed for the interpretation of the DT.
> + max-frequency = <100000000>;
sort
> + bus-width = <4>;
> + cap-sd-highspeed;
> + cap-sdio-irq;
> + keep-power-in-suspend;
> + mmc-pwrseq = <&sdio_pwrseq>;
> + non-removable;
> + pinctrl-names = "default";
> + pinctrl-0 = <&sdmmc1_clk &sdmmc1_cmd &sdmmc1_bus4>;
> + vmmc-supply = <&vcc3v3_sys>;
> + vqmmc-supply = <&vcc_1v8>;
> + rockchip,default-sample-phase = <90>;
sort
> + sd-uhs-sdr104;
> + status = "okay";
> +};
> +
> +&uart0 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&uart0_xfer &uart0_ctsn &uart0_rtsn>;
> + status = "okay";
> +
> + bluetooth {
> + compatible = "qcom,qca9377-bt";
> + clocks = <&rk809 1>;
> + clock-names = "lpo";
arch/arm/boot/dts/rv1126-edgeble-neu2-io.dtb: bluetooth: 'clock-names' does not match any of the regexes: 'pinctrl-[0-9]+'
> + enable-gpios = <&gpio3 RK_PA5 GPIO_ACTIVE_HIGH>; /* BT_RST */
> + max-speed = <2000000>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&bt_enable>;
> + vddxo-supply = <&vcc3v3_sys>;
> + vddio-supply = <&vcc_1v8>;
> + };
> +};
