From mboxrd@z Thu Jan  1 00:00:00 1970
From: Keerthy <j-keerthy@ti.com>
Subject: Re: [PATCH 4/6] arm64: dts: ti: k3-j721e-common-proc-board: Disable
 unused gpio modules
Date: Fri, 9 Aug 2019 20:25:40 +0530
Message-ID: <f6ac4c30-92e6-e952-237b-603537b67053@ti.com>
References: <20190809082947.30590-1-lokeshvutla@ti.com>
 <20190809082947.30590-5-lokeshvutla@ti.com>
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To: Lokesh Vutla <lokeshvutla@ti.com>, Tero Kristo <t-kristo@ti.com>, Nishanth Menon <nm@ti.com>, linus.walleij@linaro.org
Cc: linux-gpio@vger.kernel.org, Rob Herring <robh+dt@kernel.org>, Linux ARM Mailing List <linux-arm-kernel@lists.infradead.org>, Device Tree Mailing List <devicetree@vger.kernel.org>
List-Id: devicetree@vger.kernel.org



On 09/08/19 1:59 PM, Lokesh Vutla wrote:
> There are 10 gpio instances inside SoC with 3 groups as below:
> - Group1: main_gpio0, main_gpio2, main_gpio4, main_gpio6
> - Group2: main_gpio1, main_gpio3, main_gpio5, main_gpio7
> - Group3: wkup_gpio0, wkup_gpio1
> 
> Only one instance can be used in each group at a time. So use main_gpio0,
> main_gpio1 and wkup_gpio0 for the current linux context and mark other
> gpio nodes as disabled.

Reviewed-by: Keerthy <j-keerthy@ti.com>

> 
> Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
> ---
>   .../dts/ti/k3-j721e-common-proc-board.dts     | 28 +++++++++++++++++++
>   1 file changed, 28 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts b/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts
> index 63b47b839388..509579ca3db2 100644
> --- a/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts
> +++ b/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts
> @@ -52,3 +52,31 @@
>   	/* UART not brought out */
>   	status = "disabled";
>   };
> +
> +&main_gpio2 {
> +	status = "disabled";
> +};
> +
> +&main_gpio3 {
> +	status = "disabled";
> +};
> +
> +&main_gpio4 {
> +	status = "disabled";
> +};
> +
> +&main_gpio5 {
> +	status = "disabled";
> +};
> +
> +&main_gpio6 {
> +	status = "disabled";
> +};
> +
> +&main_gpio7 {
> +	status = "disabled";
> +};
> +
> +&wkup_gpio1 {
> +	status = "disabled";
> +};
>