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Message-ID: <60FE25A4.4040905@hisilicon.com>
Date: Mon, 26 Jul 2021 11:01:56 +0800
From: Wei Xu <xuwei5@...ilicon.com>
To: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
CC: <linuxarm@...wei.com>, <mauro.chehab@...wei.com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Rob Herring <robh@...nel.org>,
Rob Herring <robh+dt@...nel.org>, <devicetree@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/2] dts: hisilicon: add support for USB3 on Hikey 970
Hi Mauro,
On 2021/7/24 16:55, Mauro Carvalho Chehab wrote:
> Add the USB3 bindings for Kirin 970 phy and Hikey 970 board.
>
> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
Fine to me and I can merge this patch once the binding for the
"kirin970_hikey_usbhub" and "hi3670-dwc3" are ready.
Thanks!
Best Regards,
Wei
> ---
> .../boot/dts/hisilicon/hi3670-hikey970.dts | 107 ++++++++++++++++++
> arch/arm64/boot/dts/hisilicon/hi3670.dtsi | 56 +++++++++
> 2 files changed, 163 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/hisilicon/hi3670-hikey970.dts b/arch/arm64/boot/dts/hisilicon/hi3670-hikey970.dts
> index 7c32f5fd5cc5..16f81f86e3fa 100644
> --- a/arch/arm64/boot/dts/hisilicon/hi3670-hikey970.dts
> +++ b/arch/arm64/boot/dts/hisilicon/hi3670-hikey970.dts
> @@ -53,6 +53,30 @@ wlan_en: wlan-en-1-8v {
> startup-delay-us = <70000>;
> enable-active-high;
> };
> +
> + hikey_usbhub: hikey_usbhub {
> + compatible = "hisilicon,kirin970_hikey_usbhub";
> +
> + typec-vbus-gpios = <&gpio26 1 0>;
> + otg-switch-gpios = <&gpio4 2 0>;
> + hub_reset_en_gpio = <&gpio0 3 0>;
> + hub-vdd-supply = <&ldo17>;
> + usb-role-switch;
> +
> + port {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + hikey_usb_ep0: endpoint@0 {
> + reg = <0>;
> + remote-endpoint = <&dwc3_role_switch>;
> + };
> + hikey_usb_ep1: endpoint@1 {
> + reg = <1>;
> + remote-endpoint = <&rt1711h_ep>;
> + };
> + };
> + };
> };
>
> /*
> @@ -430,3 +454,86 @@ &uart6 {
> label = "LS-UART1";
> status = "okay";
> };
> +
> +&usb_phy {
> + phy-supply = <&ldo17>;
> +};
> +
> +&i2c1 {
> + status = "okay";
> +
> + rt1711h: rt1711h@4e {
> + compatible = "richtek,rt1711h";
> + reg = <0x4e>;
> + status = "okay";
> + interrupt-parent = <&gpio27>;
> + interrupts = <5 IRQ_TYPE_LEVEL_LOW>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&usb_cfg_func>;
> +
> + usb_con: connector {
> + compatible = "usb-c-connector";
> + label = "USB-C";
> + data-role = "dual";
> + power-role = "dual";
> + try-power-role = "sink";
> + source-pdos = <PDO_FIXED(5000, 500, PDO_FIXED_USB_COMM)>;
> + sink-pdos = <PDO_FIXED(5000, 500, PDO_FIXED_USB_COMM)
> + PDO_VAR(5000, 5000, 1000)>;
> + op-sink-microwatt = <10000000>;
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + port@1 {
> + reg = <1>;
> + usb_con_ss: endpoint {
> + remote-endpoint = <&dwc3_ss>;
> + };
> + };
> + };
> + };
> + port {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + rt1711h_ep: endpoint@0 {
> + reg = <0>;
> + remote-endpoint = <&hikey_usb_ep1>;
> + };
> + };
> + };
> +};
> +
> +&i2c2 {
> + /* USB HUB is on this bus at address 0x44 */
> + status = "okay";
> +};
> +
> +&dwc3 { /* USB */
> + dr_mode = "otg";
> + maximum-speed = "super-speed";
> + phy_type = "utmi";
> + snps,dis-del-phy-power-chg-quirk;
> + snps,dis_u2_susphy_quirk;
> + snps,dis_u3_susphy_quirk;
> + snps,tx_de_emphasis_quirk;
> + snps,tx_de_emphasis = <1>;
> + snps,dis-split-quirk;
> + snps,gctl-reset-quirk;
> + usb-role-switch;
> + role-switch-default-mode = "host";
> + port {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + dwc3_role_switch: endpoint@0 {
> + reg = <0>;
> + remote-endpoint = <&hikey_usb_ep0>;
> + };
> +
> + dwc3_ss: endpoint@1 {
> + reg = <1>;
> + remote-endpoint = <&usb_con_ss>;
> + };
> + };
> +};
> diff --git a/arch/arm64/boot/dts/hisilicon/hi3670.dtsi b/arch/arm64/boot/dts/hisilicon/hi3670.dtsi
> index 20698cfd0637..1f228612192c 100644
> --- a/arch/arm64/boot/dts/hisilicon/hi3670.dtsi
> +++ b/arch/arm64/boot/dts/hisilicon/hi3670.dtsi
> @@ -8,6 +8,7 @@
>
> #include <dt-bindings/interrupt-controller/arm-gic.h>
> #include <dt-bindings/clock/hi3670-clock.h>
> +#include <dt-bindings/usb/pd.h>
>
> / {
> compatible = "hisilicon,hi3670";
> @@ -785,5 +786,60 @@ i2c4: i2c@...0d000 {
> pinctrl-0 = <&i2c4_pmx_func &i2c4_cfg_func>;
> status = "disabled";
> };
> +
> + usb3_otg_bc: usb3_otg_bc@...00000 {
> + compatible = "syscon", "simple-mfd";
> + reg = <0x0 0xff200000 0x0 0x1000>;
> +
> + usb_phy: usbphy {
> + compatible = "hisilicon,hi3670-usb-phy";
> + #phy-cells = <0>;
> + hisilicon,pericrg-syscon = <&crg_ctrl>;
> + hisilicon,pctrl-syscon = <&pctrl>;
> + hisilicon,sctrl-syscon = <&sctrl>;
> + hisilicon,eye-diagram-param = <0xFDFEE4>;
> + hisilicon,tx-vboost-lvl = <0x5>;
> + };
> + };
> +
> + usb31_misc_rst: usb31_misc_rst_controller {
> + compatible = "hisilicon,hi3660-reset";
> + #reset-cells = <2>;
> + hisi,rst-syscon = <&usb3_otg_bc>;
> + };
> +
> + usb3: hisi_dwc3 {
> + compatible = "hisilicon,hi3670-dwc3";
> + #address-cells = <2>;
> + #size-cells = <2>;
> + ranges;
> +
> + clocks = <&crg_ctrl HI3670_CLK_GATE_ABB_USB>,
> + <&crg_ctrl HI3670_HCLK_GATE_USB3OTG>,
> + <&crg_ctrl HI3670_CLK_GATE_USB3OTG_REF>,
> + <&crg_ctrl HI3670_ACLK_GATE_USB3DVFS>;
> + clock-names = "clk_gate_abb_usb",
> + "hclk_gate_usb3otg",
> + "clk_gate_usb3otg_ref",
> + "aclk_gate_usb3dvfs";
> +
> + assigned-clocks = <&crg_ctrl HI3670_ACLK_GATE_USB3DVFS>;
> + assigned-clock-rates = <238000000>;
> + resets = <&crg_rst 0x90 6>,
> + <&crg_rst 0x90 7>,
> + <&usb31_misc_rst 0xA0 8>,
> + <&usb31_misc_rst 0xA0 9>;
> +
> + dwc3: usb@...00000 {
> + compatible = "snps,dwc3";
> + reg = <0x0 0xff100000 0x0 0x100000>;
> +
> + interrupts = <0 159 IRQ_TYPE_LEVEL_HIGH>,
> + <0 161 IRQ_TYPE_LEVEL_HIGH>;
> +
> + phys = <&usb_phy>;
> + phy-names = "usb3-phy";
> + };
> + };
> };
> };
>
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