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Message-ID: <5F165532.40202@hisilicon.com>
Date: Tue, 21 Jul 2020 10:38:42 +0800
From: Wei Xu <xuwei5@...ilicon.com>
To: John Stultz <john.stultz@...aro.org>,
lkml <linux-kernel@...r.kernel.org>
CC: Yu Chen <chenyu56@...wei.com>,
Chunfeng Yun <chunfeng.yun@...iatek.com>,
Binghui Wang <wangbinghui@...ilicon.com>,
YongQin Liu <yongqin.liu@...aro.org>,
Rob Herring <robh+dt@...nel.org>,
Matthias Brugger <matthias.bgg@...il.com>,
Mark Rutland <mark.rutland@....com>,
<linux-arm-kernel@...ts.infradead.org>,
<devicetree@...r.kernel.org>
Subject: Re: [RESEND][PATCH] dts: hi3660: Add support for basic usb gadget on
Hikey960
Hi John,
On 2020/7/21 9:25, John Stultz wrote:
> This patch adds basic core dwc3, usb phy and rt1711h nodes for
> usb support on Hikey960.
>
> This does not enable the mux/hub functionality on the board, so
> the USB-A host ports will not function, but does allow the USB-C
> port to function in gadget mode (unfortunately not in host, as
> the hub/mux functionality is needed to enable vbus output to
> power devices in host mode).
>
> This is based on an old patch originally by Yu Chen.
>
> Cc: Yu Chen <chenyu56@...wei.com>
> Cc: Chunfeng Yun <chunfeng.yun@...iatek.com>
> Cc: Wei Xu <xuwei5@...ilicon.com>
> Cc: Binghui Wang <wangbinghui@...ilicon.com>
> Cc: YongQin Liu <yongqin.liu@...aro.org>
> Cc: Rob Herring <robh+dt@...nel.org>
> Cc: Matthias Brugger <matthias.bgg@...il.com>
> Cc: Mark Rutland <mark.rutland@....com>
> Cc: linux-arm-kernel@...ts.infradead.org
> Cc: devicetree@...r.kernel.org
> Signed-off-by: John Stultz <john.stultz@...aro.org>
Thanks!
Applied to the hisilicon arm64 dt tree.
Best Regards,
Wei
> ---
> .../boot/dts/hisilicon/hi3660-hikey960.dts | 72 +++++++++++++++++++
> arch/arm64/boot/dts/hisilicon/hi3660.dtsi | 34 +++++++++
> 2 files changed, 106 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts b/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts
> index e035cf195b19..ff392a47562c 100644
> --- a/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts
> +++ b/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts
> @@ -13,6 +13,7 @@
> #include <dt-bindings/gpio/gpio.h>
> #include <dt-bindings/input/input.h>
> #include <dt-bindings/interrupt-controller/irq.h>
> +#include <dt-bindings/usb/pd.h>
>
> / {
> model = "HiKey960";
> @@ -526,6 +527,48 @@
> &i2c1 {
> status = "okay";
>
> + rt1711h: rt1711h@4e {
> + compatible = "richtek,rt1711h";
> + reg = <0x4e>;
> + status = "ok";
> + interrupt-parent = <&gpio27>;
> + interrupts = <3 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 = <&dwc3_role_switch>;
> + };
> + };
> + };
> +
> adv7533: adv7533@39 {
> status = "ok";
> compatible = "adi,adv7533";
> @@ -612,3 +655,32 @@
> interrupts = <3 IRQ_TYPE_EDGE_RISING>;
> };
> };
> +
> +&dwc3 { /* USB */
> + dr_mode = "otg";
> + maximum-speed = "super-speed";
> + phy_type = "utmi";
> + snps,dis-del-phy-power-chg-quirk;
> + snps,lfps_filter_quirk;
> + snps,dis_u2_susphy_quirk;
> + snps,dis_u3_susphy_quirk;
> + snps,tx_de_emphasis_quirk;
> + snps,tx_de_emphasis = <1>;
> + snps,dis_enblslpm_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 = <&rt1711h_ep>;
> + };
> +
> + dwc3_ss: endpoint@1 {
> + reg = <1>;
> + remote-endpoint = <&usb_con_ss>;
> + };
> + };
> +};
> diff --git a/arch/arm64/boot/dts/hisilicon/hi3660.dtsi b/arch/arm64/boot/dts/hisilicon/hi3660.dtsi
> index c39b78989ff9..d25aac5e0bf8 100644
> --- a/arch/arm64/boot/dts/hisilicon/hi3660.dtsi
> +++ b/arch/arm64/boot/dts/hisilicon/hi3660.dtsi
> @@ -1152,6 +1152,40 @@
> };
> };
> };
> +
> + usb3_otg_bc: usb3_otg_bc@...00000 {
> + compatible = "syscon", "simple-mfd";
> + reg = <0x0 0xff200000 0x0 0x1000>;
> +
> + usb_phy: usb-phy {
> + compatible = "hisilicon,hi3660-usb-phy";
> + #phy-cells = <0>;
> + hisilicon,pericrg-syscon = <&crg_ctrl>;
> + hisilicon,pctrl-syscon = <&pctrl>;
> + hisilicon,eye-diagram-param = <0x22466e4>;
> + };
> + };
> +
> + dwc3: dwc3@...00000 {
> + compatible = "snps,dwc3";
> + reg = <0x0 0xff100000 0x0 0x100000>;
> +
> + clocks = <&crg_ctrl HI3660_CLK_ABB_USB>,
> + <&crg_ctrl HI3660_ACLK_GATE_USB3OTG>;
> + clock-names = "ref", "bus_early";
> +
> + assigned-clocks = <&crg_ctrl HI3660_ACLK_GATE_USB3OTG>;
> + assigned-clock-rates = <229000000>;
> +
> + resets = <&crg_rst 0x90 8>,
> + <&crg_rst 0x90 7>,
> + <&crg_rst 0x90 6>,
> + <&crg_rst 0x90 5>;
> +
> + interrupts = <0 159 4>, <0 161 4>;
> + phys = <&usb_phy>;
> + phy-names = "usb3-phy";
> + };
> };
> };
>
>
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