linux-kernel - Re: [PATCH] imx8m{m,n}-venice-*: add missing uart-has-rtscts property to UARTs

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Message-ID: <20220411011719.GB129381@dragon>
Date:   Mon, 11 Apr 2022 09:17:19 +0800
From:   Shawn Guo <shawnguo@...nel.org>
To:     Tim Harvey <tharvey@...eworks.com>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] imx8m{m,n}-venice-*: add missing uart-has-rtscts
 property to UARTs

On Tue, Apr 05, 2022 at 01:02:23PM -0700, Tim Harvey wrote:
> Add the missing 'uart-has-rtscts' property to UART's that have hardware
> flow control capability.
> 
> Signed-off-by: Tim Harvey <tharvey@...eworks.com>

'arm64: dts: ...' subject prefix please.

And it doesn't apply to imx/dt64 branch.

Shawn

> ---
>  arch/arm64/boot/dts/freescale/imx8mm-venice-gw73xx.dtsi | 1 +
>  arch/arm64/boot/dts/freescale/imx8mm-venice-gw7901.dts  | 3 +++
>  arch/arm64/boot/dts/freescale/imx8mm-venice-gw7902.dts  | 3 +++
>  arch/arm64/boot/dts/freescale/imx8mn-venice-gw7902.dts  | 1 +
>  4 files changed, 8 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw73xx.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw73xx.dtsi
> index 426483ec1f88..7a5d45e80982 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw73xx.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw73xx.dtsi
> @@ -221,6 +221,7 @@
>  	pinctrl-0 = <&pinctrl_uart3>, <&pinctrl_bten>;
>  	cts-gpios = <&gpio5 8 GPIO_ACTIVE_LOW>;
>  	rts-gpios = <&gpio5 9 GPIO_ACTIVE_LOW>;
> +	uart-has-rtscts;
>  	status = "okay";
>  
>  	bluetooth {
> diff --git a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7901.dts b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7901.dts
> index ee78c189c556..a23801deb4cd 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7901.dts
> +++ b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7901.dts
> @@ -716,6 +716,7 @@
>  	dtr-gpios = <&gpio1 14 GPIO_ACTIVE_LOW>;
>  	dsr-gpios = <&gpio1 1 GPIO_ACTIVE_LOW>;
>  	dcd-gpios = <&gpio1 11 GPIO_ACTIVE_LOW>;
> +	uart-has-rtscts;
>  	status = "okay";
>  };
>  
> @@ -731,6 +732,7 @@
>  	pinctrl-0 = <&pinctrl_uart3>;
>  	cts-gpios = <&gpio4 10 GPIO_ACTIVE_LOW>;
>  	rts-gpios = <&gpio4 9 GPIO_ACTIVE_LOW>;
> +	uart-has-rtscts;
>  	status = "okay";
>  };
>  
> @@ -739,6 +741,7 @@
>  	pinctrl-0 = <&pinctrl_uart4>;
>  	cts-gpios = <&gpio5 11 GPIO_ACTIVE_LOW>;
>  	rts-gpios = <&gpio5 12 GPIO_ACTIVE_LOW>;
> +	uart-has-rtscts;
>  	status = "okay";
>  };
>  
> diff --git a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7902.dts b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7902.dts
> index 49e15a671b67..6aa0eb463647 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7902.dts
> +++ b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7902.dts
> @@ -644,6 +644,7 @@
>  	pinctrl-0 = <&pinctrl_uart1>;
>  	rts-gpios = <&gpio4 10 GPIO_ACTIVE_LOW>;
>  	cts-gpios = <&gpio4 11 GPIO_ACTIVE_LOW>;
> +	uart-has-rtscts;
>  	status = "okay";
>  };
>  
> @@ -660,6 +661,7 @@
>  	pinctrl-0 = <&pinctrl_uart3>, <&pinctrl_uart3_gpio>;
>  	rts-gpios = <&gpio2 1 GPIO_ACTIVE_LOW>;
>  	cts-gpios = <&gpio2 0 GPIO_ACTIVE_LOW>;
> +	uart-has-rtscts;
>  	status = "okay";
>  
>  	bluetooth {
> @@ -677,6 +679,7 @@
>  	dtr-gpios = <&gpio4 3 GPIO_ACTIVE_LOW>;
>  	dsr-gpios = <&gpio4 4 GPIO_ACTIVE_LOW>;
>  	dcd-gpios = <&gpio4 6 GPIO_ACTIVE_LOW>;
> +	uart-has-rtscts;
>  	status = "okay";
>  };
>  
> diff --git a/arch/arm64/boot/dts/freescale/imx8mn-venice-gw7902.dts b/arch/arm64/boot/dts/freescale/imx8mn-venice-gw7902.dts
> index 3c0e63d2e82d..2c1f591335ad 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mn-venice-gw7902.dts
> +++ b/arch/arm64/boot/dts/freescale/imx8mn-venice-gw7902.dts
> @@ -625,6 +625,7 @@
>  	pinctrl-0 = <&pinctrl_uart3>, <&pinctrl_uart3_gpio>;
>  	rts-gpios = <&gpio2 1 GPIO_ACTIVE_LOW>;
>  	cts-gpios = <&gpio2 0 GPIO_ACTIVE_LOW>;
> +	uart-has-rtscts;
>  	status = "okay";
>  
>  	bluetooth {
> -- 
> 2.17.1
>