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Message-ID: <9a358e2ef4e6faffa03d227fa947cd30f7e8188a.camel@mediatek.com>
Date: Mon, 14 Nov 2022 06:15:38 +0000
From: Chunfeng Yun (云春峰)
<Chunfeng.Yun@...iatek.com>
To: "linux-mediatek@...ts.infradead.org"
<linux-mediatek@...ts.infradead.org>,
"linux@...web.de" <linux@...web.de>
CC: "linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"robh+dt@...nel.org" <robh+dt@...nel.org>,
"linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
Sam Shih (史碩三) <Sam.Shih@...iatek.com>,
"kishon@...com" <kishon@...com>,
"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
"lorenzo@...nel.org" <lorenzo@...nel.org>,
"frank-w@...lic-files.de" <frank-w@...lic-files.de>,
"pabeni@...hat.com" <pabeni@...hat.com>,
Jianjun Wang (王建军)
<Jianjun.Wang@...iatek.com>,
"gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
"krzysztof.kozlowski+dt@...aro.org"
<krzysztof.kozlowski+dt@...aro.org>,
"vkoul@...nel.org" <vkoul@...nel.org>,
"bhelgaas@...gle.com" <bhelgaas@...gle.com>,
"matthias.bgg@...il.com" <matthias.bgg@...il.com>,
"linux-phy@...ts.infradead.org" <linux-phy@...ts.infradead.org>,
Ryder Lee <Ryder.Lee@...iatek.com>,
Bo Jiao (焦波) <Bo.Jiao@...iatek.com>,
"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>
Subject: Re: [PATCH v4 07/11] arm64: dts: mt7986: add usb related device nodes
On Sat, 2022-11-12 at 10:15 +0100, Frank Wunderlich wrote:
> From: Sam Shih <sam.shih@...iatek.com>
>
> This patch adds USB support for MT7986.
>
> Signed-off-by: Sam Shih <sam.shih@...iatek.com>
> Signed-off-by: Frank Wunderlich <frank-w@...lic-files.de>
> ---
> changes compared to sams original version:
> - reorder xhci-clocks based on yaml binding
> ---
> arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts | 28 ++++++++++
> arch/arm64/boot/dts/mediatek/mt7986a.dtsi | 55
> ++++++++++++++++++++
> arch/arm64/boot/dts/mediatek/mt7986b-rfb.dts | 28 ++++++++++
> 3 files changed, 111 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts
> b/arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts
> index 006878e3f2b2..2b5d7ea31b4d 100644
> --- a/arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts
> +++ b/arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts
> @@ -23,6 +23,24 @@ memory@...00000 {
> device_type = "memory";
> reg = <0 0x40000000 0 0x40000000>;
> };
> +
> + reg_3p3v: regulator-3p3v {
> + compatible = "regulator-fixed";
> + regulator-name = "fixed-3.3V";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + reg_5v: regulator-5v {
> + compatible = "regulator-fixed";
> + regulator-name = "fixed-5V";
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> };
>
> &crypto {
> @@ -140,6 +158,12 @@ &spi1 {
> status = "okay";
> };
>
> +&ssusb {
> + vusb33-supply = <®_3p3v>;
> + vbus-supply = <®_5v>;
> + status = "okay";
> +};
> +
> &switch {
> ports {
> #address-cells = <1>;
> @@ -201,6 +225,10 @@ &uart2 {
> status = "okay";
> };
>
> +&usb_phy {
> + status = "okay";
> +};
> +
> &wifi {
> status = "okay";
> pinctrl-names = "default", "dbdc";
> diff --git a/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
> b/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
> index 29da9b8ed753..2bcf48890ba8 100644
> --- a/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
> +++ b/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
> @@ -281,6 +281,61 @@ spi1: spi@...0b000 {
> status = "disabled";
> };
>
> + ssusb: usb@...00000 {
> + compatible = "mediatek,mt7986-xhci",
> + "mediatek,mtk-xhci";
> + reg = <0 0x11200000 0 0x2e00>,
> + <0 0x11203e00 0 0x0100>;
> + reg-names = "mac", "ippc";
> + interrupts = <GIC_SPI 173 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&infracfg CLK_INFRA_IUSB_SYS_CK>,
> + <&infracfg CLK_INFRA_IUSB_CK>,
> + <&infracfg CLK_INFRA_IUSB_133_CK>,
> + <&infracfg CLK_INFRA_IUSB_66M_CK>,
> + <&topckgen CLK_TOP_U2U3_XHCI_SEL>;
> + clock-names = "sys_ck",
> + "ref_ck",
> + "mcu_ck",
> + "dma_ck",
> + "xhci_ck";
> + phys = <&u2port0 PHY_TYPE_USB2>,
> + <&u3port0 PHY_TYPE_USB3>,
> + <&u2port1 PHY_TYPE_USB2>;
> + status = "disabled";
> + };
> +
> + usb_phy: t-phy@...10000 {
> + compatible = "mediatek,mt7986-tphy",
> + "mediatek,generic-tphy-v2";
> + #address-cells = <2>;
> + #size-cells = <2>;
> + ranges;
Please use ranges with a triplet value (child, parent, len), refers to:
https://elixir.bootlin.com/linux/latest/source/arch/arm64/boot/dts/mediatek/mt2712e.dtsi#L891
Thanks a lot
> + status = "disabled";
> +
> + u2port0: usb-phy@...10000 {
> + reg = <0 0x11e10000 0 0x700>;
> + clocks = <&topckgen
> CLK_TOP_DA_U2_REFSEL>,
> + <&topckgen
> CLK_TOP_DA_U2_CK_1P_SEL>;
> + clock-names = "ref", "da_ref";
> + #phy-cells = <1>;
> + };
> +
> + u3port0: usb-phy@...10700 {
> + reg = <0 0x11e10700 0 0x900>;
> + clocks = <&topckgen
> CLK_TOP_USB3_PHY_SEL>;
> + clock-names = "ref";
> + #phy-cells = <1>;
> + };
> +
> + u2port1: usb-phy@...11000 {
> + reg = <0 0x11e11000 0 0x700>;
> + clocks = <&topckgen
> CLK_TOP_DA_U2_REFSEL>,
> + <&topckgen
> CLK_TOP_DA_U2_CK_1P_SEL>;
> + clock-names = "ref", "da_ref";
> + #phy-cells = <1>;
> + };
> + };
> +
> ethsys: syscon@...00000 {
> #address-cells = <1>;
> #size-cells = <1>;
> diff --git a/arch/arm64/boot/dts/mediatek/mt7986b-rfb.dts
> b/arch/arm64/boot/dts/mediatek/mt7986b-rfb.dts
> index 2c7f1d4fb352..a98025112b5a 100644
> --- a/arch/arm64/boot/dts/mediatek/mt7986b-rfb.dts
> +++ b/arch/arm64/boot/dts/mediatek/mt7986b-rfb.dts
> @@ -23,6 +23,24 @@ memory@...00000 {
> device_type = "memory";
> reg = <0 0x40000000 0 0x40000000>;
> };
> +
> + reg_3p3v: regulator-3p3v {
> + compatible = "regulator-fixed";
> + regulator-name = "fixed-3.3V";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + reg_5v: regulator-5v {
> + compatible = "regulator-fixed";
> + regulator-name = "fixed-5V";
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> };
>
> &crypto {
> @@ -167,10 +185,20 @@ &spi1 {
> status = "okay";
> };
>
> +&ssusb {
> + vusb33-supply = <®_3p3v>;
> + vbus-supply = <®_5v>;
> + status = "okay";
> +};
> +
> &uart0 {
> status = "okay";
> };
>
> +&usb_phy {
> + status = "okay";
> +};
> +
> &wifi {
> status = "okay";
> pinctrl-names = "default", "dbdc";
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