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Date: Fri, 2 Sep 2022 11:08:27 +0800
From: Peter Chiu <chui-hao.chiu@...iatek.com>
To: Matthias Brugger <matthias.bgg@...il.com>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
CC: <devicetree@...r.kernel.org>, Ryder Lee <ryder.Lee@...iatek.com>,
"Evelyn Tsai" <evelyn.tsai@...iatek.com>,
Sam Shih <sam.shih@...iatek.com>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-mediatek@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v5] arm64: dts: mt7986: add built-in Wi-Fi device nodes
On Thu, 2022-09-01 at 16:31 +0200, Matthias Brugger wrote:
>
> On 01/09/2022 15:05, Peter Chiu wrote:
> > This enables built-in 802.11ax Wi-Fi support.
> >
> > Reviewed-by: Sam Shih <sam.shih@...iatek.com>
> > Reviewed-by: Ryder Lee <ryder.lee@...iatek.com>
> > Signed-off-by: Peter Chiu <chui-hao.chiu@...iatek.com>
> >
>
> That won't work without the pinctrl yaml file updated. Please send
> both together
> so that we can review them.
>
Thanks for your kind reminder. I just sent the pinctrl yaml patch.
https://patchwork.kernel.org/project/linux-mediatek/patch/20220902024719.31943-1-chui-hao.chiu@mediatek.com/
Best Regards,
Peter Chiu
> Regards,
> Matthias
>
> > ---
> > v2: add clocks and clock-names.
> > v3: rename wmac to wifi and change underscores to dash in node
> > names.
> > v4: rebase to the latest codebase.
> > v5: remove useless pins in wf_dbdc_pins node.
> > ---
> > arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts | 38
> > +++++++++++++++++++
> > arch/arm64/boot/dts/mediatek/mt7986a.dtsi | 23 +++++++++++
> > arch/arm64/boot/dts/mediatek/mt7986b-rfb.dts | 40
> > ++++++++++++++++++++
> > 3 files changed, 101 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts
> > b/arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts
> > index 882277a52b69..afe37b702eef 100644
> > --- a/arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts
> > +++ b/arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts
> > @@ -115,6 +115,13 @@
> > status = "okay";
> > };
> >
> > +&wifi {
> > + status = "okay";
> > + pinctrl-names = "default", "dbdc";
> > + pinctrl-0 = <&wf_2g_5g_pins>;
> > + pinctrl-1 = <&wf_dbdc_pins>;
> > +};
> > +
> > &pio {
> > uart1_pins: uart1-pins {
> > mux {
> > @@ -129,4 +136,35 @@
> > groups = "uart2";
> > };
> > };
> > +
> > + wf_2g_5g_pins: wf-2g-5g-pins {
> > + mux {
> > + function = "wifi";
> > + groups = "wf_2g", "wf_5g";
> > + };
> > + conf {
> > + pins = "WF0_HB1", "WF0_HB2", "WF0_HB3",
> > "WF0_HB4",
> > + "WF0_HB0", "WF0_HB0_B", "WF0_HB5",
> > "WF0_HB6",
> > + "WF0_HB7", "WF0_HB8", "WF0_HB9",
> > "WF0_HB10",
> > + "WF0_TOP_CLK", "WF0_TOP_DATA",
> > "WF1_HB1",
> > + "WF1_HB2", "WF1_HB3", "WF1_HB4",
> > "WF1_HB0",
> > + "WF1_HB5", "WF1_HB6", "WF1_HB7",
> > "WF1_HB8",
> > + "WF1_TOP_CLK", "WF1_TOP_DATA";
> > + drive-strength = <4>;
> > + };
> > + };
> > +
> > + wf_dbdc_pins: wf-dbdc-pins {
> > + mux {
> > + function = "wifi";
> > + groups = "wf_dbdc";
> > + };
> > + conf {
> > + pins = "WF0_HB1", "WF0_HB2", "WF0_HB3",
> > "WF0_HB4",
> > + "WF0_HB0", "WF0_HB0_B", "WF0_HB5",
> > "WF0_HB6",
> > + "WF0_HB7", "WF0_HB8", "WF0_HB9",
> > "WF0_HB10",
> > + "WF0_TOP_CLK", "WF0_TOP_DATA";
> > + drive-strength = <4>;
> > + };
> > + };
> > };
> > diff --git a/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
> > b/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
> > index e3a407d03551..890ded0efc51 100644
> > --- a/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
> > +++ b/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
> > @@ -7,6 +7,7 @@
> > #include <dt-bindings/interrupt-controller/irq.h>
> > #include <dt-bindings/interrupt-controller/arm-gic.h>
> > #include <dt-bindings/clock/mt7986-clk.h>
> > +#include <dt-bindings/reset/mt7986-resets.h>
> >
> > / {
> > interrupt-parent = <&gic>;
> > @@ -70,6 +71,11 @@
> > reg = <0 0x43000000 0 0x30000>;
> > no-map;
> > };
> > +
> > + wmcpu_emi: wmcpu-reserved@...00000 {
> > + no-map;
> > + reg = <0 0x4fc00000 0 0x00100000>;
> > + };
> > };
> >
> > timer {
> > @@ -261,6 +267,23 @@
> > #size-cells = <0>;
> > status = "disabled";
> > };
> > +
> > + wifi: wifi@...00000 {
> > + compatible = "mediatek,mt7986-wmac";
> > + resets = <&watchdog
> > MT7986_TOPRGU_CONSYS_SW_RST>;
> > + reset-names = "consys";
> > + clocks = <&topckgen CLK_TOP_CONN_MCUSYS_SEL>,
> > + <&topckgen CLK_TOP_AP2CNN_HOST_SEL>;
> > + clock-names = "mcu", "ap2conn";
> > + reg = <0 0x18000000 0 0x1000000>,
> > + <0 0x10003000 0 0x1000>,
> > + <0 0x11d10000 0 0x1000>;
> > + interrupts = <GIC_SPI 213 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 214 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 215 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 216 IRQ_TYPE_LEVEL_HIGH>;
> > + memory-region = <&wmcpu_emi>;
> > + };
> > };
> >
> > };
> > diff --git a/arch/arm64/boot/dts/mediatek/mt7986b-rfb.dts
> > b/arch/arm64/boot/dts/mediatek/mt7986b-rfb.dts
> > index 0f49d5764ff3..3443013b5971 100644
> > --- a/arch/arm64/boot/dts/mediatek/mt7986b-rfb.dts
> > +++ b/arch/arm64/boot/dts/mediatek/mt7986b-rfb.dts
> > @@ -98,3 +98,43 @@
> > };
> > };
> > };
> > +
> > +&wifi {
> > + status = "okay";
> > + pinctrl-names = "default", "dbdc";
> > + pinctrl-0 = <&wf_2g_5g_pins>;
> > + pinctrl-1 = <&wf_dbdc_pins>;
> > +};
> > +
> > +&pio {
> > + wf_2g_5g_pins: wf-2g-5g-pins {
> > + mux {
> > + function = "wifi";
> > + groups = "wf_2g", "wf_5g";
> > + };
> > + conf {
> > + pins = "WF0_HB1", "WF0_HB2", "WF0_HB3",
> > "WF0_HB4",
> > + "WF0_HB0", "WF0_HB0_B", "WF0_HB5",
> > "WF0_HB6",
> > + "WF0_HB7", "WF0_HB8", "WF0_HB9",
> > "WF0_HB10",
> > + "WF0_TOP_CLK", "WF0_TOP_DATA",
> > "WF1_HB1",
> > + "WF1_HB2", "WF1_HB3", "WF1_HB4",
> > "WF1_HB0",
> > + "WF1_HB5", "WF1_HB6", "WF1_HB7",
> > "WF1_HB8",
> > + "WF1_TOP_CLK", "WF1_TOP_DATA";
> > + drive-strength = <4>;
> > + };
> > + };
> > +
> > + wf_dbdc_pins: wf-dbdc-pins {
> > + mux {
> > + function = "wifi";
> > + groups = "wf_dbdc";
> > + };
> > + conf {
> > + pins = "WF0_HB1", "WF0_HB2", "WF0_HB3",
> > "WF0_HB4",
> > + "WF0_HB0", "WF0_HB0_B", "WF0_HB5",
> > "WF0_HB6",
> > + "WF0_HB7", "WF0_HB8", "WF0_HB9",
> > "WF0_HB10",
> > + "WF0_TOP_CLK", "WF0_TOP_DATA";
> > + drive-strength = <4>;
> > + };
> > + };
> > +};
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