linux-kernel - Re: [RFC 1/3] dts64: mt7622: enable all pwm for bananapi r64

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Message-ID: <4568d457-50d6-924f-c2ad-d6e508a543e4@gmail.com>
Date:   Fri, 27 Nov 2020 17:07:21 +0100
From:   Matthias Brugger <matthias.bgg@...il.com>
To:     Frank Wunderlich <linux@...web.de>,
        linux-mediatek@...ts.infradead.org
Cc:     Frank Wunderlich <frank-w@...lic-files.de>,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Sean Wang <sean.wang@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        linux-gpio@...r.kernel.org
Subject: Re: [RFC 1/3] dts64: mt7622: enable all pwm for bananapi r64



On 16/10/2020 22:40, Frank Wunderlich wrote:
> From: Frank Wunderlich <frank-w@...lic-files.de>
> 
> mt7622 only supports 6 pwm-channels so drop pwm7
> 
> third pwm (pwm2) is inverted and connected to fan-socket
> 
> Signed-off-by: Frank Wunderlich <frank-w@...lic-files.de>

Patch 1 and 2 now pushed to v5.10-next/dts64

Thanks!

> ---
>   .../boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts     | 11 ++++++++---
>   1 file changed, 8 insertions(+), 3 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts b/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts
> index 1cc4dcb0008c..ad5b1592182d 100644
> --- a/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts
> +++ b/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts
> @@ -414,10 +414,15 @@ mux {
>   		};
>   	};
>   
> -	pwm7_pins: pwm1-2-pins {
> +	pwm_pins: pwm-pins {
>   		mux {
>   			function = "pwm";
> -			groups = "pwm_ch7_2";
> +			groups = "pwm_ch1_0", /* mt7622_pwm_ch1_0_pins[] = { 51, }; */
> +				 "pwm_ch2_0", /* mt7622_pwm_ch2_0_pins[] = { 52, }; */
> +				 "pwm_ch3_2", /* mt7622_pwm_ch3_2_pins[] = { 97, }; */
> +				 "pwm_ch4_1", /* mt7622_pwm_ch4_1_pins[] = { 67, }; */
> +				 "pwm_ch5_0", /* mt7622_pwm_ch5_0_pins[] = { 68, }; */
> +				 "pwm_ch6_0"; /* mt7622_pwm_ch6_0_pins[] = { 69, }; */
>   		};
>   	};
>   
> @@ -537,7 +542,7 @@ mux {
>   
>   &pwm {
>   	pinctrl-names = "default";
> -	pinctrl-0 = <&pwm7_pins>;
> +	pinctrl-0 = <&pwm_pins>;
>   	status = "okay";
>   };
>   
>