Re: [PATCH v2 6/6] arm64: dts: allwinner: h6: add Rongpin RP-H6C SoM and RP-H6B board

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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 = <&reg_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 = <&reg_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 = <&reg_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 = <&reg_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 = <&reg_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 = <&reg_cldo1>;
> > +       cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>;
> > +       bus-width = <4>;
> > +       status = "okay";
> > +};
> > +
> > +&mmc1 {
> > +       pinctrl-names = "default";
> > +       pinctrl-0 = <&mmc1_pins>;
> > +       vmmc-supply = <&reg_vcc3v3_ap6212>;
> > +       vqmmc-supply = <&reg_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 */
> > +&reg_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 = <&reg_ps>;
> > +               vddio-supply = <&reg_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 = <&reg_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 = <&reg_dcdca>;
> > +};
> > +
> > +&gpu {
> > +       mali-supply = <&reg_dcdcc>;
> > +       status = "okay";
> > +};
> > +
> > +&mmc2 {
> > +       pinctrl-names = "default";
> > +       pinctrl-0 = <&mmc2_pins>;
> > +       vmmc-supply = <&reg_cldo1>;
> > +       vqmmc-supply = <&reg_bldo2>;
> > +       non-removable;
> > +       cap-mmc-hw-reset;
> > +       bus-width = <8>;
> > +       status = "okay";
> > +};
> > +
> > +&pio {
> > +       vcc-pc-supply = <&reg_bldo2>;
> > +       vcc-pd-supply = <&reg_aldo2>;
> > +       vcc-pg-supply = <&reg_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 = <&reg_aldo1>;
> > +        */
> > +       vcc-pm-supply = <&reg_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 = <&reg_ps>;
> > +               vinb-supply = <&reg_ps>;
> > +               vinc-supply = <&reg_ps>;
> > +               vind-supply = <&reg_ps>;
> > +               vine-supply = <&reg_ps>;
> > +               aldoin-supply = <&reg_ps>;
> > +               bldoin-supply = <&reg_ps>;
> > +               cldoin-supply = <&reg_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>;
> > +};
> 





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