lkml.org 
[lkml]   [2021]   [Dec]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v2 6/7] arm64: dts: hisilicon: Add usb mux hub for hikey970
Date
From: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

Add dt bindings for Kirin 970 USB HUB. Such board comes with an
integrated USB HUB provided via a TI TUSB8041 4-port USB 3.0 hub.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
---

See [PATCH v2 0/7] at: https://lore.kernel.org/all/cover.1639735742.git.mchehab@kernel.org/

.../boot/dts/hisilicon/hi3670-hikey970.dts | 23 +++++++++++++++++++
arch/arm64/boot/dts/hisilicon/hi3670.dtsi | 10 ++++----
2 files changed, 28 insertions(+), 5 deletions(-)

diff --git a/arch/arm64/boot/dts/hisilicon/hi3670-hikey970.dts b/arch/arm64/boot/dts/hisilicon/hi3670-hikey970.dts
index 60594db07041..95ca49f1e455 100644
--- a/arch/arm64/boot/dts/hisilicon/hi3670-hikey970.dts
+++ b/arch/arm64/boot/dts/hisilicon/hi3670-hikey970.dts
@@ -53,6 +53,29 @@ wlan_en: wlan-en-1-8v {
startup-delay-us = <70000>;
enable-active-high;
};
+
+ usb-hub {
+ compatible = "hisilicon,usbhub";
+ typec-vbus-gpios = <&gpio26 1 0>;
+ otg-switch-gpios = <&gpio4 2 0>;
+ hub-reset-en-gpios = <&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>;
+ };
+ };
+ };
};

/*
diff --git a/arch/arm64/boot/dts/hisilicon/hi3670.dtsi b/arch/arm64/boot/dts/hisilicon/hi3670.dtsi
index b47654b50139..486dc93ab47b 100644
--- a/arch/arm64/boot/dts/hisilicon/hi3670.dtsi
+++ b/arch/arm64/boot/dts/hisilicon/hi3670.dtsi
@@ -915,7 +915,7 @@ usb31_misc_rst: usb31_misc_rst_controller {
hisi,rst-syscon = <&usb3_otg_bc>;
};

- usb3: hisi_dwc3 {
+ usb3: dwc3 {
compatible = "hisilicon,hi3670-dwc3";
#address-cells = <2>;
#size-cells = <2>;
@@ -925,10 +925,10 @@ usb3: hisi_dwc3 {
<&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";
+ clock-names = "abb",
+ "hclk",
+ "ref",
+ "aclk";

assigned-clocks = <&crg_ctrl HI3670_ACLK_GATE_USB3DVFS>;
assigned-clock-rates = <238000000>;
--
2.33.1
\
 
 \ /
  Last update: 2021-12-17 11:13    [W:0.046 / U:0.188 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site