linux-kernel - Re: [PATCH v3 05/21] ARM: dts: add recovery for I2C for iMX7

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Message-ID: <cd0da6ed-6b59-be60-34b2-74eb603aa10d@ysoft.com>
Date:   Mon, 12 Aug 2019 11:15:44 +0200
From:   Michal Vokáč <michal.vokac@...ft.com>
To:     Philippe Schenker <philippe.schenker@...adex.com>,
        Marcel Ziswiler <marcel.ziswiler@...adex.com>,
        Max Krummenacher <max.krummenacher@...adex.com>,
        "stefan@...er.ch" <stefan@...er.ch>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Shawn Guo <shawnguo@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Fabio Estevam <festevam@...il.com>
Cc:     Oleksandr Suvorov <oleksandr.suvorov@...adex.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        NXP Linux Team <linux-imx@....com>,
        Sascha Hauer <s.hauer@...gutronix.de>
Subject: Re: [PATCH v3 05/21] ARM: dts: add recovery for I2C for iMX7

On 07. 08. 19 10:26, Philippe Schenker wrote:
> From: Oleksandr Suvorov <oleksandr.suvorov@...adex.com>
> 
> - add recovery mode for applicable i2c buses for
>    Colibri iMX7 module.
> 
> Signed-off-by: Oleksandr Suvorov <oleksandr.suvorov@...adex.com>
> Signed-off-by: Philippe Schenker <philippe.schenker@...adex.com>
> ---
Hi Philippe,

since you are going to send v4 anyway I suggest you update the subject
to be consistent across all the patches.

	"ARM: dts: imx7-colibri: add recovery for I2C for iMX7"

fits better I think.

Thank you,
Michal

> 
> Changes in v3: None
> Changes in v2: None
> 
>   arch/arm/boot/dts/imx7-colibri.dtsi | 25 +++++++++++++++++++++++--
>   1 file changed, 23 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm/boot/dts/imx7-colibri.dtsi b/arch/arm/boot/dts/imx7-colibri.dtsi
> index a8d992f3e897..2480623c92ff 100644
> --- a/arch/arm/boot/dts/imx7-colibri.dtsi
> +++ b/arch/arm/boot/dts/imx7-colibri.dtsi
> @@ -140,8 +140,12 @@
>   
>   &i2c1 {
>   	clock-frequency = <100000>;
> -	pinctrl-names = "default";
> +	pinctrl-names = "default", "gpio";
>   	pinctrl-0 = <&pinctrl_i2c1 &pinctrl_i2c1_int>;
> +	pinctrl-1 = <&pinctrl_i2c1_recovery &pinctrl_i2c1_int>;
> +	scl-gpios = <&gpio1 4 GPIO_ACTIVE_HIGH>;
> +	sda-gpios = <&gpio1 5 GPIO_ACTIVE_HIGH>;
> +
>   	status = "okay";
>   
>   	codec: sgtl5000@a {
> @@ -242,8 +246,11 @@
>   
>   &i2c4 {
>   	clock-frequency = <100000>;
> -	pinctrl-names = "default";
> +	pinctrl-names = "default", "gpio";
>   	pinctrl-0 = <&pinctrl_i2c4>;
> +	pinctrl-1 = <&pinctrl_i2c4_recovery>;
> +	scl-gpios = <&gpio7 8 GPIO_ACTIVE_HIGH>;
> +	sda-gpios = <&gpio7 9 GPIO_ACTIVE_HIGH>;
>   };
>   
>   &lcdif {
> @@ -540,6 +547,13 @@
>   		>;
>   	};
>   
> +	pinctrl_i2c4_recovery: i2c4-recoverygrp {
> +		fsl,pins = <
> +			MX7D_PAD_ENET1_RGMII_TD2__GPIO7_IO8	0x4000007f
> +			MX7D_PAD_ENET1_RGMII_TD3__GPIO7_IO9	0x4000007f
> +		>;
> +	};
> +
>   	pinctrl_lcdif_dat: lcdif-dat-grp {
>   		fsl,pins = <
>   			MX7D_PAD_LCD_DATA00__LCD_DATA0		0x79
> @@ -740,6 +754,13 @@
>   		>;
>   	};
>   
> +	pinctrl_i2c1_recovery: i2c1-recoverygrp {
> +		fsl,pins = <
> +			MX7D_PAD_LPSR_GPIO1_IO04__GPIO1_IO4	0x4000007f
> +			MX7D_PAD_LPSR_GPIO1_IO05__GPIO1_IO5	0x4000007f
> +		>;
> +	};
> +
>   	pinctrl_cd_usdhc1: usdhc1-cd-grp {
>   		fsl,pins = <
>   			MX7D_PAD_LPSR_GPIO1_IO00__GPIO1_IO0	0x59 /* CD */
>