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Message-ID: <9a6dd3ac-acb1-2222-918a-d325c56bbded@gmail.com>
Date: Sun, 17 Dec 2023 19:25:43 -0500
From: John Clark <inindev@...il.com>
To: efectn@...l.net, linux-rockchip@...ts.infradead.org
Cc: devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org, robh+dt@...nel.org,
krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org, heiko@...ech.de,
sebastian.reichel@...labora.com, jonas@...boo.se,
Muhammed Efe Cetin <efectn@...tonmail.com>
Subject: Re: [PATCH 2/3] arm64: dts: rockchip: Add support for NanoPi R6S
On 12/15/23 8:55 AM, efectn@...l.net wrote:
> From: Muhammed Efe Cetin <efectn@...tonmail.com>
>
> Add basic NanoPi R6S support that comes with USB2, PCIe, SD card, eMMC
> support.
>
> Signed-off-by: Muhammed Efe Cetin <efectn@...tonmail.com>
> ---
> arch/arm64/boot/dts/rockchip/Makefile | 1 +
> .../boot/dts/rockchip/rk3588s-nanopi-r6s.dts | 755 ++++++++++++++++++
> 2 files changed, 756 insertions(+)
> create mode 100644 arch/arm64/boot/dts/rockchip/rk3588s-nanopi-r6s.dts
>
> diff --git a/arch/arm64/boot/dts/rockchip/Makefile b/arch/arm64/boot/dts/rockchip/Makefile
> index 600c420bc..ed2583dcd 100644
> --- a/arch/arm64/boot/dts/rockchip/Makefile
> +++ b/arch/arm64/boot/dts/rockchip/Makefile
> @@ -114,3 +114,4 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588s-indiedroid-nova.dtb
> dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588s-khadas-edge2.dtb
> dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588s-rock-5a.dtb
> dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588s-orangepi-5.dtb
> +dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588s-nanopi-r6s.dtb
> \ No newline at end of file
> diff --git a/arch/arm64/boot/dts/rockchip/rk3588s-nanopi-r6s.dts b/arch/arm64/boot/dts/rockchip/rk3588s-nanopi-r6s.dts
> new file mode 100644
> index 000000000..e575cc403
> --- /dev/null
> +++ b/arch/arm64/boot/dts/rockchip/rk3588s-nanopi-r6s.dts
> @@ -0,0 +1,755 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +
> +/dts-v1/;
> +
> +#include <dt-bindings/pinctrl/rockchip.h>
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/input/input.h>
> +#include "rk3588s.dtsi"
> +
> +/ {
> + model = "FriendlyElec NanoPi R6S";
> + compatible = "friendlyelec,nanopi-r6s", "rockchip,rk3588s";
> +
> + aliases {
> + ethernet0 = &gmac1;
> + mmc0 = &sdmmc;
> + mmc1 = &sdhci;
> + };
> +
> + chosen {
> + stdout-path = "serial2:1500000n8";
> + };
> +
> + adc-keys {
> + compatible = "adc-keys";
> + io-channels = <&saradc 0>;
> + io-channel-names = "buttons";
> + keyup-threshold-microvolt = <1800000>;
> + poll-interval = <100>;
> +
> + button-maskrom {
> + label = "Maskrom";
> + linux,code = <KEY_VENDOR>;
> + press-threshold-microvolt = <1800>;
> + };
> + };
> +
> + gpio-keys {
> + compatible = "gpio-keys";
> + pinctrl-names = "default";
> + pinctrl-0 = <&key1_pin>;
> +
> + button-user {
> + label = "User";
> + linux,code = <BTN_1>;
> + gpios = <&gpio1 RK_PC0 GPIO_ACTIVE_LOW>;
> + debounce-interval = <50>;
> + };
> + };
> +
> + leds {
> + compatible = "gpio-leds";
> +
> + sys_led: led-0 {
> + label = "sys_led";
> + gpios = <&gpio1 RK_PC1 GPIO_ACTIVE_HIGH>;
> + linux,default-trigger = "heartbeat";
> + pinctrl-names = "default";
> + pinctrl-0 = <&sys_led_pin>;
> + };
> +
> + wan_led: led-1 {
> + label = "wan_led";
> + gpios = <&gpio1 RK_PC2 GPIO_ACTIVE_HIGH>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&wan_led_pin>;
> + };
> +
> + lan1_led: led-2 {
> + label = "lan1_led";
> + gpios = <&gpio1 RK_PC3 GPIO_ACTIVE_HIGH>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&lan1_led_pin>;
> + };
> +
> + lan2_led: led-3 {
> + label = "lan2_led";
> + gpios = <&gpio1 RK_PC4 GPIO_ACTIVE_HIGH>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&lan2_led_pin>;
> + };
> + };
> +
> + vcc5v0_sys: vcc5v0-sys-regulator {
> + compatible = "regulator-fixed";
> + regulator-name = "vcc5v0_sys";
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + };
> +
> + vcc_1v1_nldo_s3: vcc-1v1-nldo-s3-regulator {
> + compatible = "regulator-fixed";
> + regulator-name = "vcc_1v1_nldo_s3";
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <1100000>;
> + regulator-max-microvolt = <1100000>;
> + vin-supply = <&vcc5v0_sys>;
> + };
> +
> + vcc_3v3_sd_s0: vcc-3v3-sd-s0-regulator {
> + compatible = "regulator-fixed";
> + enable-active-high;
> + gpios = <&gpio4 RK_PB4 GPIO_ACTIVE_HIGH>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&sd_s0_pwr>;
> + regulator-name = "vcc_3v3_sd_s0";
> + regulator-boot-on;
> + regulator-max-microvolt = <3000000>;
> + regulator-min-microvolt = <3000000>;
> + vin-supply = <&vcc_3v3_s3>;
> + };
> +
> + vcc_3v3_pcie20: vcc3v3-pcie20-regulator {
> + compatible = "regulator-fixed";
> + regulator-name = "vcc_3v3_pcie20";
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + vin-supply = <&vcc_3v3_s3>;
> + };
> +
> + vcc5v0_usb: vcc5v0-usb-regulator {
> + compatible = "regulator-fixed";
> + regulator-name = "vcc5v0_usb";
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + vin-supply = <&vcc5v0_sys>;
> + };
> +
> + vcc5v0_usb_otg0: vcc5v0-usb-otg0-regulator {
> + compatible = "regulator-fixed";
> + enable-active-high;
> + gpios = <&gpio1 RK_PD2 GPIO_ACTIVE_HIGH>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&typec5v_pwren>;
> + regulator-name = "vcc5v0_usb_otg0";
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + vin-supply = <&vcc5v0_usb>;
> + };
> +
> + vcc5v0_host_20: vcc5v0-host-20-regulator {
> + compatible = "regulator-fixed";
> + enable-active-high;
> + gpios = <&gpio4 RK_PB5 GPIO_ACTIVE_HIGH>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&vcc5v0_host20_en>;
> + regulator-name = "vcc5v0_host_20";
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + vin-supply = <&vcc5v0_usb>;
> + };
> +};
> +
> +&combphy0_ps {
> + status = "okay";
> +};
> +
> +&combphy2_psu {
> + status = "okay";
> +};
> +
> +&cpu_b0 {
> + cpu-supply = <&vdd_cpu_big0_s0>;
> +};
> +
> +&cpu_b1 {
> + cpu-supply = <&vdd_cpu_big0_s0>;
> +};
> +
> +&cpu_b2 {
> + cpu-supply = <&vdd_cpu_big1_s0>;
> +};
> +
> +&cpu_b3 {
> + cpu-supply = <&vdd_cpu_big1_s0>;
> +};
> +
> +&cpu_l0 {
> + cpu-supply = <&vdd_cpu_lit_s0>;
> +};
> +
> +&cpu_l1 {
> + cpu-supply = <&vdd_cpu_lit_s0>;
> +};
> +
> +&cpu_l2 {
> + cpu-supply = <&vdd_cpu_lit_s0>;
> +};
> +
> +&cpu_l3 {
> + cpu-supply = <&vdd_cpu_lit_s0>;
> +};
> +
> +&gmac1 {
> + clock_in_out = "output";
> + phy-handle = <&rgmii_phy1>;
> + phy-mode = "rgmii-rxid";
> + pinctrl-0 = <&gmac1_miim
> + &gmac1_tx_bus2
> + &gmac1_rx_bus2
> + &gmac1_rgmii_clk
> + &gmac1_rgmii_bus>;
> + pinctrl-names = "default";
> + tx_delay = <0x42>;
> + status = "okay";
> +};
> +
> +&i2c0 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&i2c0m2_xfer>;
> + status = "okay";
> +
> + vdd_cpu_big0_s0: regulator@42 {
> + compatible = "rockchip,rk8602";
> + reg = <0x42>;
> + fcs,suspend-voltage-selector = <1>;
> + regulator-name = "vdd_cpu_big0_s0";
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <550000>;
> + regulator-max-microvolt = <1050000>;
> + regulator-ramp-delay = <2300>;
> + vin-supply = <&vcc5v0_sys>;
> +
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +
> + vdd_cpu_big1_s0: regulator@43 {
> + compatible = "rockchip,rk8603", "rockchip,rk8602";
> + reg = <0x43>;
> + fcs,suspend-voltage-selector = <1>;
> + regulator-name = "vdd_cpu_big1_s0";
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <550000>;
> + regulator-max-microvolt = <1050000>;
> + regulator-ramp-delay = <2300>;
> + vin-supply = <&vcc5v0_sys>;
> +
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +};
> +
> +&i2c2 {
> + status = "okay";
> +
> + vdd_npu_s0: rk8602@42 {
> + compatible = "rockchip,rk8602";
> + reg = <0x42>;
> + fcs,suspend-voltage-selector = <1>;
> + regulator-compatible = "rk860x-reg";
> + regulator-name = "vdd_npu_s0";
> + regulator-min-microvolt = <550000>;
> + regulator-max-microvolt = <950000>;
> + regulator-ramp-delay = <2300>;
> + regulator-boot-on;
> + regulator-always-on;
> + vin-supply = <&vcc5v0_sys>;
> +
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +};
> +
> +&i2c6 {
> + clock-frequency = <200000>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&i2c6m0_xfer>;
> + status = "okay";
> +
> + hym8563: rtc@51 {
> + compatible = "haoyu,hym8563";
> + reg = <0x51>;
> + #clock-cells = <0>;
> + clock-output-names = "hym8563";
> + pinctrl-names = "default";
> + pinctrl-0 = <&rtc_int>;
> + interrupt-parent = <&gpio0>;
> + interrupts = <RK_PB0 IRQ_TYPE_LEVEL_LOW>;
> + wakeup-source;
> + };
> +};
> +
> +&mdio1 {
> + rgmii_phy1: ethernet-phy@1 {
> + compatible = "ethernet-phy-id001c.c916";
> + reg = <0x1>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&rtl8211f_rst>;
> + reset-assert-us = <20000>;
> + reset-deassert-us = <100000>;
> + reset-gpios = <&gpio3 RK_PB7 GPIO_ACTIVE_LOW>;
> + };
> +};
> +
> +&pcie2x1l1 {
> + reset-gpios = <&gpio1 RK_PA7 GPIO_ACTIVE_HIGH>;
> + vpcie3v3-supply = <&vcc_3v3_pcie20>;
> + status = "okay";
> +};
> +
> +&pcie2x1l2 {
> + reset-gpios = <&gpio3 RK_PD1 GPIO_ACTIVE_HIGH>;
> + vpcie3v3-supply = <&vcc_3v3_pcie20>;
> + status = "okay";
> +};
> +
> +&pinctrl {
> + gpio-key {
> + key1_pin: key1-pin {
> + rockchip,pins = <1 RK_PC0 RK_FUNC_GPIO &pcfg_pull_up>;
> + };
> + };
> +
> + gpio-leds {
> + sys_led_pin: sys-led-pin {
> + rockchip,pins =
> + <1 RK_PC1 RK_FUNC_GPIO &pcfg_pull_none>;
> + };
> +
> + wan_led_pin: wan-led-pin {
> + rockchip,pins =
> + <1 RK_PC2 RK_FUNC_GPIO &pcfg_pull_none>;
> + };
> +
> + lan1_led_pin: lan1-led-pin {
> + rockchip,pins =
> + <1 RK_PC3 RK_FUNC_GPIO &pcfg_pull_none>;
> + };
> +
> + lan2_led_pin: lan2-led-pin {
> + rockchip,pins =
> + <1 RK_PC4 RK_FUNC_GPIO &pcfg_pull_none>;
> + };
> + };
> +
> + hym8563 {
> + rtc_int: rtc-int {
> + rockchip,pins = <0 RK_PB0 RK_FUNC_GPIO &pcfg_pull_up>;
> + };
> + };
> +
> + sdmmc {
> + sd_s0_pwr: sd-s0-pwr {
> + rockchip,pins = <4 RK_PB4 RK_FUNC_GPIO &pcfg_pull_up>;
> + };
> + };
> +
> + usb {
> + typec5v_pwren: typec5v-pwren {
> + rockchip,pins = <1 RK_PD2 RK_FUNC_GPIO &pcfg_pull_none>;
> + };
> +
> + vcc5v0_host20_en: vcc5v0-host20-en {
> + rockchip,pins = <4 RK_PB5 RK_FUNC_GPIO &pcfg_pull_none>;
> + };
> + };
> +
> + rtl8211f {
> + rtl8211f_rst: rtl8211f-rst {
> + rockchip,pins = <3 RK_PB7 RK_FUNC_GPIO &pcfg_pull_none>;
> + };
> + };
> +};
> +
> +&saradc {
> + vref-supply = <&avcc_1v8_s0>;
> + status = "okay";
> +};
> +
> +&sdhci {
> + bus-width = <8>;
> + no-sdio;
> + no-sd;
> + non-removable;
> + mmc-hs200-1_8v;
> + max-frequency = <200000000>;
> + status = "okay";
> +};
> +
> +&sdmmc {
> + bus-width = <4>;
> + cap-sd-highspeed;
> + disable-wp;
> + max-frequency = <150000000>;
> + no-mmc;
> + no-sdio;
> + sd-uhs-sdr104;
> + vmmc-supply = <&vcc_3v3_sd_s0>;
> + vqmmc-supply = <&vccio_sd_s0>;
> + status = "okay";
> +};
> +
> +&spi2 {
> + status = "okay";
> + assigned-clocks = <&cru CLK_SPI2>;
> + assigned-clock-rates = <200000000>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&spi2m2_cs0 &spi2m2_pins>;
> + num-cs = <1>;
> +
> + pmic@0 {
> + compatible = "rockchip,rk806";
> + spi-max-frequency = <1000000>;
> + 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>;
> +
> + 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 = <&vcc_1v1_nldo_s3>;
> + vcc14-supply = <&vcc_1v1_nldo_s3>;
> + vcca-supply = <&vcc5v0_sys>;
> +
> + gpio-controller;
> + #gpio-cells = <2>;
> +
> + rk806_dvs1_null: dvs1-null-pins {
> + pins = "gpio_pwrctrl2";
> + function = "pin_fun0";
> + };
> +
> + rk806_dvs2_null: dvs2-null-pins {
> + pins = "gpio_pwrctrl2";
> + function = "pin_fudr_moden0";
> + };
> +
> + rk806_dvs3_null: dvs3-null-pins {
> + pins = "gpio_pwrctrl3";
> + function = "pin_fun0";
> + };
> +
> + regulators {
> + vdd_gpu_s0: vdd_gpu_mem_s0: dcdc-reg1 {
> + regulator-boot-on;
> + regulator-min-microvolt = <550000>;
> + regulator-max-microvolt = <950000>;
> + regulator-ramp-delay = <12500>;
> + regulator-name = "vdd_gpu_s0";
> + regulator-enable-ramp-delay = <400>;
> +
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +
> + vdd_cpu_lit_s0: vdd_cpu_lit_mem_s0: dcdc-reg2 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <550000>;
> + regulator-max-microvolt = <950000>;
> + regulator-ramp-delay = <12500>;
> + regulator-name = "vdd_cpu_lit_s0";
> +
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +
> + vdd_log_s0: dcdc-reg3 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <675000>;
> + regulator-max-microvolt = <750000>;
> + regulator-ramp-delay = <12500>;
> + regulator-name = "vdd_log_s0";
> +
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + regulator-suspend-microvolt = <750000>;
> + };
> + };
> +
> + vdd_vdenc_s0: vdd_vdenc_mem_s0: dcdc-reg4 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <550000>;
> + regulator-max-microvolt = <950000>;
> + regulator-init-microvolt = <750000>;
> + regulator-ramp-delay = <12500>;
> + regulator-name = "vdd_vdenc_s0";
> +
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +
> + vdd_ddr_s0: dcdc-reg5 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <675000>;
> + regulator-max-microvolt = <900000>;
> + regulator-ramp-delay = <12500>;
> + regulator-name = "vdd_ddr_s0";
> +
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + regulator-suspend-microvolt = <850000>;
> + };
> + };
> +
> + vdd2_ddr_s3: dcdc-reg6 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-name = "vdd2_ddr_s3";
> +
> + regulator-state-mem {
> + regulator-on-in-suspend;
> + };
> + };
> +
> + vcc_2v0_pldo_s3: dcdc-reg7 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <2000000>;
> + regulator-max-microvolt = <2000000>;
> + regulator-ramp-delay = <12500>;
> + regulator-name = "vdd_2v0_pldo_s3";
> +
> + regulator-state-mem {
> + regulator-on-in-suspend;
> + regulator-suspend-microvolt = <2000000>;
> + };
> + };
> +
> + vcc_3v3_s3: dcdc-reg8 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-name = "vcc_3v3_s3";
> +
> + regulator-state-mem {
> + regulator-on-in-suspend;
> + regulator-suspend-microvolt = <3300000>;
> + };
> + };
> +
> + vddq_ddr_s0: dcdc-reg9 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-name = "vddq_ddr_s0";
> +
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +
> + vcc_1v8_s3: dcdc-reg10 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-name = "vcc_1v8_s3";
> +
> + regulator-state-mem {
> + regulator-on-in-suspend;
> + regulator-suspend-microvolt = <1800000>;
> + };
> + };
> +
> + avcc_1v8_s0: pldo-reg1 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-name = "avcc_1v8_s0";
> +
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + regulator-suspend-microvolt = <1800000>;
> + };
> + };
> +
> + vcc_1v8_s0: pldo-reg2 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-name = "vcc_1v8_s0";
> +
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + regulator-suspend-microvolt = <1800000>;
> + };
> + };
> +
> + avdd_1v2_s0: pldo-reg3 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <1200000>;
> + regulator-max-microvolt = <1200000>;
> + regulator-name = "avdd_1v2_s0";
> +
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +
> + vcc_3v3_s0: pldo-reg4 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-ramp-delay = <12500>;
> + regulator-name = "vcc_3v3_s0";
> +
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
The device located at pldo-reg4 is named vcc_3v3_s0
Page 2 of the schematic identifies pldo-reg4 as VCCA_3V3_S0
Therefore, the pldo-reg4 device should be named avcc_3v3_s0 and a
separate definition for vcc_3v3_s0 should be created.
vcc_3v3_s0 is defined on page 18 as SY6280AAC and is supplied by vcc_3v3_s3
this would be a fixed regulator like:
vcc_3v3_s0: vcc-3v3-s0 {
compatible = "regulator-fixed";
regulator-always-on;
regulator-boot-on;
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-name = "vcc_3v3_s0";
vin-supply = <&vcc_3v3_s3>;
};
schematic:
https://wiki.friendlyelec.com/wiki/images/f/f7/NanoPi_R6C_2302_SCH.PDF
> +
> + vccio_sd_s0: pldo-reg5 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-ramp-delay = <12500>;
> + regulator-name = "vccio_sd_s0";
> +
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +
> + pldo6_s3: pldo-reg6 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-name = "pldo6_s3";
> +
> + regulator-state-mem {
> + regulator-on-in-suspend;
> + regulator-suspend-microvolt = <1800000>;
> + };
> + };
> +
> + vdd_0v75_s3: nldo-reg1 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <750000>;
> + regulator-max-microvolt = <750000>;
> + regulator-name = "vdd_0v75_s3";
> +
> + regulator-state-mem {
> + regulator-on-in-suspend;
> + regulator-suspend-microvolt = <750000>;
> + };
> + };
> +
> + vdd_ddr_pll_s0: nldo-reg2 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <850000>;
> + regulator-max-microvolt = <850000>;
> + regulator-name = "vdd_ddr_pll_s0";
> +
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + regulator-suspend-microvolt = <850000>;
> + };
> + };
similar, see page 2 of schematic: vdd_ddr_pll_s0: nldo-reg2 ->
avdd_ddr_pll_s0
> +
> + avdd_0v75_s0: nldo-reg3 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <750000>;
> + regulator-max-microvolt = <750000>;
> + regulator-name = "avdd_0v75_s0";
> +
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +
> + vdd_0v85_s0: nldo-reg4 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <850000>;
> + regulator-max-microvolt = <850000>;
> + regulator-name = "vdd_0v85_s0";
> +
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
similar, see page 2 of schematic: vdd_0v85_s0: nldo-reg4 -> avdd_0v85_s0
> +
> + vdd_0v75_s0: nldo-reg5 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <750000>;
> + regulator-max-microvolt = <750000>;
> + regulator-name = "vdd_0v75_s0";
> +
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> + };
> + };
> +};
> +
> +&tsadc {
> + status = "okay";
> +};
> +
> +&u2phy2 {
> + status = "okay";
> +};
> +
> +&u2phy2_host {
> + phy-supply = <&vcc5v0_host_20>;
> + status = "okay";
> +};
> +
> +&uart2 {
> + pinctrl-0 = <&uart2m0_xfer>;
> + status = "okay";
> +};
> +
> +&usb_host0_ehci {
> + status = "okay";
> +};
> +
> +&usb_host0_ohci {
> + status = "okay";
> +};
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