在 2022-12-02星期五的 20:11 -0600，Samuel Holland写道：
> On 12/2/22 02:16, Icenowy Zheng wrote:
> > Rongpin RP-H6C is an Allwinner H6 SoM by Rongpin, with Allwinner H6
> > SoC,
> > AXP805 PMIC, LPDDR3 memory and eMMC storage on it.
> >
> > RP-H6B is their official evaluation board of RP-H6C, with an
> > onboard
> > GL850G USB hub, Ampak AP6212 Wi-Fi module and some circuits about
> > LVDS
> > display. It also exports the OTG USB port, the USB 3.0 port, PCIe
> > bus
> > (as mPCIe slot), internal Ethernet PHY, analog audio/video and HDMI
> > port.
> >
> > Add a DTSI file for the SoM and a DTS for the full board.
> >
> > Signed-off-by: Icenowy Zheng <uwu@xxxxxxxxxx>
> > ---
> > Changes in v2:
> > - Name all regulator nodes regulator-xxx.
> > - Fixed underscores in node names.
> >
> > arch/arm64/boot/dts/allwinner/Makefile | 1 +
> > .../boot/dts/allwinner/sun50i-h6-rp-h6b.dts | 239
> > ++++++++++++++++++
> > .../boot/dts/allwinner/sun50i-h6-rp-h6c.dtsi | 180 +++++++++++++
> > 3 files changed, 420 insertions(+)
> > create mode 100644 arch/arm64/boot/dts/allwinner/sun50i-h6-rp-
> > h6b.dts
> > create mode 100644 arch/arm64/boot/dts/allwinner/sun50i-h6-rp-
> > h6c.dtsi
> >
> > diff --git a/arch/arm64/boot/dts/allwinner/Makefile
> > b/arch/arm64/boot/dts/allwinner/Makefile
> > index 6a96494a2e0a..e289fedcac29 100644
> > --- a/arch/arm64/boot/dts/allwinner/Makefile
> > +++ b/arch/arm64/boot/dts/allwinner/Makefile
> > @@ -36,6 +36,7 @@ dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h6-orangepi-
> > lite2.dtb
> > dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h6-orangepi-one-plus.dtb
> > dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h6-pine-h64.dtb
> > dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h6-pine-h64-model-b.dtb
> > +dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h6-rp-h6b.dtb
> > dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h6-tanix-tx6.dtb
> > dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h6-tanix-tx6-mini.dtb
> > dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h616-orangepi-zero2.dtb
> > diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6-rp-h6b.dts
> > b/arch/arm64/boot/dts/allwinner/sun50i-h6-rp-h6b.dts
> > new file mode 100644
> > index 000000000000..d9994e9beb81
> > --- /dev/null
> > +++ b/arch/arm64/boot/dts/allwinner/sun50i-h6-rp-h6b.dts
> > @@ -0,0 +1,239 @@
> > +// SPDX-License-Identifier: (GPL-2.0+ or MIT)
> > +/*
> > + * Copyright (C) 2022 Icenowy Zheng <icenowy@xxxxxxx>
> > + */
> > +/dts-v1/;
> > +
> > +#include "sun50i-h6-rp-h6c.dtsi"
> > +
> > +#include <dt-bindings/gpio/gpio.h>
> > +
> > +/ {
> > + model = "Rongpin RP-H6B baseboard";
> > + compatible = "rongpin,rp-h6b", "rongpin,rp-h6c",
> > + "allwinner,sun50i-h6";
> > +
> > + aliases {
> > + ethernet0 = &emac;
> > + serial0 = &uart0;
> > + /*
> > + * Prioritize the external RTC because it's powered
> > + * by a cell battery.
> > + */
> > + rtc0 = &hym8563;
> > + rtc1 = &rtc;
> > + };
> > +
> > + chosen {
> > + stdout-path = "serial0:115200n8";
> > + };
> > +
> > + hdmi_connector: connector {
> > + compatible = "hdmi-connector";
> > + type = "a";
> > +
> > + port {
> > + hdmi_con_in: endpoint {
> > + remote-endpoint = <&hdmi_out_con>;
> > + };
> > + };
> > + };
> > +
> > + leds {
> > + compatible = "gpio-leds";
> > +
> > + led {
> > + label = "rongpin:red:link";
>
> Please use color and function properties instead.
Okay, thanks.
>
> > + gpios = <&r_pio 0 3 GPIO_ACTIVE_LOW>; /*
> > PL3 */
> > + /*
> > + * On the schematics this LED is marked as
> > "lit when
> > + * powering on and blinking when running".
> > + */
> > + linux,default-trigger = "heartbeat";
> > + };
> > + };
> > +
> > + /*
> > + * The VDD_5V power rail is connected to the internal
> > regulator
> > + * of GL850G, to power up the 3.3V core of it.
> > + */
> > + reg_v33_hub: regulator-v33-hub {
> > + compatible = "regulator-fixed";
> > + regulator-name = "v33-hub";
> > + regulator-min-microvolt = <3300000>;
> > + regulator-max-microvolt = <3300000>;
> > + vin-supply = <®_vdd_5v>;
> > + };
> > +
> > + /*
> > + * This board inputs 5V to AP6212 via a SS34 diode. Use
> > this
> > + * regulator as the model of the internal regulator of
> > AP6212.
> > + */
> > + reg_vcc3v3_ap6212: regulator-vcc3v3-ap6212 {
> > + compatible = "regulator-fixed";
> > + regulator-name = "vcc3v3-ap6212";
> > + regulator-min-microvolt = <3300000>;
> > + regulator-max-microvolt = <3300000>;
> > + vin-supply = <®_ps>;
> > + };
> > +
> > + reg_vdd_5v: regulator-vdd-5v {
> > + compatible = "regulator-fixed";
> > + regulator-name = "vdd-5v";
> > + regulator-min-microvolt = <5000000>;
> > + regulator-max-microvolt = <5000000>;
> > + startup-delay-us = <100000>;
> > + gpio = <&r_pio 0 5 GPIO_ACTIVE_HIGH>;
> > + enable-active-high;
> > + vin-supply = <®_ps>;
> > + };
> > +
> > + /* For mPCIe slot WWAN modules / PCIe cards */
> > + reg_vdd_3g: regulator-vdd-3g {
> > + compatible = "regulator-fixed";
> > + regulator-name = "vdd-3g";
> > + regulator-min-microvolt = <3300000>;
> > + regulator-max-microvolt = <3300000>;
> > + startup-delay-us = <100000>;
> > + gpio = <&r_pio 0 7 GPIO_ACTIVE_HIGH>;
> > + enable-active-high;
> > + vin-supply = <®_ps>;
> > + /*
> > + * As a hack for lacking of control of a hub
> > downstream
> > + * port's Vbus.
> > + */
> > + regulator-always-on;
> > + };
> > +
> > + wifi_pwrseq: wifi-pwrseq {
> > + compatible = "mmc-pwrseq-simple";
> > + reset-gpios = <&r_pio 1 3 GPIO_ACTIVE_LOW>; /* PM3
> > */
> > + post-power-on-delay-ms = <200>;
> > + };
> > +};
> > +
> > +&de {
> > + status = "okay";
> > +};
> > +
> > +&ehci0 {
> > + status = "okay";
> > +};
> > +
> > +&ehci3 {
> > + status = "okay";
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > +
> > + hub@1 {
> > + /* Genesys Logic GL850G usb hub */
> > + compatible = "usb5e3,608";
> > + reg = <1>;
> > + vdd-supply = <®_v33_hub>;
> > + reset-gpios = <&pio 7 2 GPIO_ACTIVE_LOW>;
> > + };
> > +};
> > +
> > +&hdmi {
> > + status = "okay";
> > +};
> > +
> > +&hdmi_out {
> > + hdmi_out_con: endpoint {
> > + remote-endpoint = <&hdmi_con_in>;
> > + };
> > +};
> > +
> > +&i2c0 {
> > + status = "okay";
> > +
> > + hym8563: rtc@51 {
> > + compatible = "haoyu,hym8563";
> > + reg = <0x51>;
> > + #clock-cells = <0>;
> > + };
> > +};
> > +
> > +&mmc0 {
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&mmc0_pins>;
> > + vmmc-supply = <®_cldo1>;
> > + cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>;
> > + bus-width = <4>;
> > + status = "okay";
> > +};
> > +
> > +&mmc1 {
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&mmc1_pins>;
> > + vmmc-supply = <®_vcc3v3_ap6212>;
> > + vqmmc-supply = <®_bldo3>;
> > + mmc-pwrseq = <&wifi_pwrseq>;
> > + non-removable;
> > + bus-width = <4>;
> > + status = "okay";
> > +
> > + brcmf: wifi@1 {
> > + reg = <1>;
> > + compatible = "brcm,bcm4329-fmac";
> > + interrupt-parent = <&r_pio>;
> > + interrupts = <1 0 IRQ_TYPE_LEVEL_LOW>; /* PM0 */
> > + interrupt-names = "host-wake";
> > + };
> > +};
> > +
> > +&ohci0 {
> > + status = "okay";
> > +};
> > +
> > +/* Converted from 12v with a fixed DC-DC on the baseboard */
> > +®_ps {
> > + regulator-min-microvolt = <5000000>;
> > + regulator-max-microvolt = <5000000>;
> > +};
> > +
> > +&uart0 {
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&uart0_ph_pins>;
> > + status = "okay";
> > +};
> > +
> > +/* Bluetooth */
> > +&uart1 {
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&uart1_pins>, <&uart1_rts_cts_pins>;
> > + uart-has-rtscts;
> > + status = "okay";
> > +
> > + bluetooth {
> > + compatible = "brcm,bcm43438-bt";
> > + max-speed = <1500000>;
> > + clocks = <&rtc CLK_OSC32K_FANOUT>;
> > + clock-names = "lpo";
> > + vbat-supply = <®_ps>;
> > + vddio-supply = <®_bldo3>;
> > + device-wakeup-gpios = <&r_pio 1 2
> > GPIO_ACTIVE_HIGH>; /* PM2 */
> > + shutdown-gpios = <&r_pio 1 4 GPIO_ACTIVE_HIGH>; /*
> > PM4 */
> > + interrupt-parent = <&r_pio>;
> > + interrupts = <1 1 IRQ_TYPE_EDGE_FALLING>; /* PM1 */
> > + interrupt-names = "host-wakeup";
> > + };
> > +};
> > +
> > +&uart1_pins {
> > + bias-pull-up;
> > +};
> > +
> > +&uart1_rts_cts_pins {
> > + bias-pull-up;
> > +};
> > +
> > +&usb2otg {
> > + dr_mode = "host";
> > + status = "okay";
> > +};
> > +
> > +&usb2phy {
> > + usb0_vbus-supply = <®_vdd_5v>;
> > + status = "okay";
> > +};
> > diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6-rp-h6c.dtsi
> > b/arch/arm64/boot/dts/allwinner/sun50i-h6-rp-h6c.dtsi
> > new file mode 100644
> > index 000000000000..637c194016c4
> > --- /dev/null
> > +++ b/arch/arm64/boot/dts/allwinner/sun50i-h6-rp-h6c.dtsi
> > @@ -0,0 +1,180 @@
> > +// SPDX-License-Identifier: (GPL-2.0+ or MIT)
> > +/*
> > + * Copyright (C) 2019-2022 Icenowy Zheng <icenowy@xxxxxxx>
> > + */
> > +
> > +#include "sun50i-h6.dtsi"
> > +#include "sun50i-h6-cpu-opp.dtsi"
> > +#include "sun50i-h6-gpu-opp.dtsi"
> > +
> > +/ {
> > + ext_osc32k: ext-osc32k-clk {
> > + #clock-cells = <0>;
> > + compatible = "fixed-clock";
> > + clock-frequency = <32768>;
> > + clock-output-names = "ext_osc32k";
> > + };
> > +
> > + /* Marked 3.4v~5.5v on SoM schematics */
> > + reg_ps: regulator-ps {
> > + compatible = "regulator-fixed";
> > + regulator-name = "ps";
> > + };
> > +};
> > +
> > +&cpu0 {
> > + cpu-supply = <®_dcdca>;
> > +};
> > +
> > +&gpu {
> > + mali-supply = <®_dcdcc>;
> > + status = "okay";
> > +};
> > +
> > +&mmc2 {
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&mmc2_pins>;
> > + vmmc-supply = <®_cldo1>;
> > + vqmmc-supply = <®_bldo2>;
> > + non-removable;
> > + cap-mmc-hw-reset;
> > + bus-width = <8>;
> > + status = "okay";
> > +};
> > +
> > +&pio {
> > + vcc-pc-supply = <®_bldo2>;
> > + vcc-pd-supply = <®_aldo2>;
> > + vcc-pg-supply = <®_bldo3>;
> > +};
> > +
> > +&r_pio {
> > + /*
> > + * FIXME: We can't add that supply for now since it would
> > + * create a circular dependency between pinctrl, the
> > regulator
> > + * and the RSB Bus.
> > + *
> > + * vcc-pl-supply = <®_aldo1>;
> > + */
> > + vcc-pm-supply = <®_bldo3>;
> > +};
> > +
> > +&r_rsb {
> > + status = "okay";
> > + clock-frequency = <400000>;
> > +
> > + axp805: pmic@745 {
> > + compatible = "x-powers,axp805", "x-powers,axp806";
> > + reg = <0x745>;
> > + interrupt-parent = <&r_intc>;
> > + interrupts = <GIC_SPI 96 IRQ_TYPE_LEVEL_LOW>;
> > + interrupt-controller;
> > + #interrupt-cells = <1>;
> > + x-powers,self-working-mode;
> > + vina-supply = <®_ps>;
> > + vinb-supply = <®_ps>;
> > + vinc-supply = <®_ps>;
> > + vind-supply = <®_ps>;
> > + vine-supply = <®_ps>;
> > + aldoin-supply = <®_ps>;
> > + bldoin-supply = <®_ps>;
> > + cldoin-supply = <®_ps>;
> > +
> > + regulators {
> > + reg_aldo1: aldo1 {
> > + regulator-always-on;
> > + regulator-min-microvolt =
> > <3300000>;
> > + regulator-max-microvolt =
> > <3300000>;
> > + regulator-name = "vcc-pl";
> > + };
> > +
> > + reg_aldo2: aldo2 {
> > + regulator-min-microvolt =
> > <3300000>;
> > + regulator-max-microvolt =
> > <3300000>;
> > + regulator-name = "vcc-ac200";
> > + regulator-enable-ramp-delay =
> > <100000>;
> > + };
> > +
> > + aldo3 {
> > + /* unused */
> > + };
> > +
> > + reg_bldo1: bldo1 {
> > + regulator-always-on;
> > + regulator-min-microvolt =
> > <1800000>;
> > + regulator-max-microvolt =
> > <1800000>;
> > + regulator-name = "vcc-bias-pll";
> > + };
> > +
> > + reg_bldo2: bldo2 {
> > + regulator-always-on;
> > + regulator-min-microvolt =
> > <1800000>;
> > + regulator-max-microvolt =
> > <1800000>;
> > + regulator-name = "vcc-efuse-pcie-
> > hdmi-io";
> > + };
> > +
> > + reg_bldo3: bldo3 {
> > + regulator-always-on;
> > + regulator-min-microvolt =
> > <1800000>;
> > + regulator-max-microvolt =
> > <1800000>;
> > + regulator-name = "vcc-dcxoio";
> > + };
> > +
> > + bldo4 {
> > + /* unused */
> > + };
> > +
> > + reg_cldo1: cldo1 {
> > + /* This regulator is connected with
> > ALDO3 */
>
> In this case, shouldn't ALDO3 have the same voltage constraints?
Ah, sorry, this is a copy-n-paste error, ALDO3 is left unused on this
board.
Thanks for this tip.
>
> Other than these two minor issues:
>
> Acked-by: Samuel Holland <samuel@xxxxxxxxxxxx>
>
> > + regulator-always-on;
> > + regulator-min-microvolt =
> > <3300000>;
> > + regulator-max-microvolt =
> > <3300000>;
> > + regulator-name = "vcc-3v3-2";
> > + };
> > +
> > + cldo2 {
> > + /* unused */
> > + };
> > +
> > + cldo3 {
> > + /* unused */
> > + };
> > +
> > + reg_dcdca: dcdca {
> > + regulator-always-on;
> > + regulator-min-microvolt = <810000>;
> > + regulator-max-microvolt =
> > <1160000>;
> > + regulator-ramp-delay = <2500>;
> > + regulator-name = "vdd-cpu";
> > + };
> > +
> > + reg_dcdcc: dcdcc {
> > + regulator-min-microvolt = <810000>;
> > + regulator-max-microvolt =
> > <1080000>;
> > + regulator-name = "vdd-gpu";
> > + };
> > +
> > + reg_dcdcd: dcdcd {
> > + regulator-always-on;
> > + regulator-min-microvolt = <960000>;
> > + regulator-max-microvolt = <960000>;
> > + regulator-name = "vdd-sys";
> > + };
> > +
> > + reg_dcdce: dcdce {
> > + regulator-always-on;
> > + regulator-min-microvolt =
> > <1200000>;
> > + regulator-max-microvolt =
> > <1200000>;
> > + regulator-name = "vcc-dram";
> > + };
> > +
> > + sw {
> > + /* unused */
> > + };
> > + };
> > + };
> > +};
> > +
> > +&rtc {
> > + clocks = <&ext_osc32k>;
> > +};
>
