From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 58CA9C3DA59 for ; Fri, 19 Jul 2024 14:56:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=McSeo/gXxaIKQf2B9O2BKpCo/cZSfU2RQaaaz2fj1mU=; b=cBr1pBfL9T96//qiM4g4dLZmiS jHKe/7DJSExibC+lbi0aKKeDbkKF0dCvgEPihUJksSlQnucexGssrXwi3w6WcOzRN1RpBbJ2ytr1G NUQxqMzW+iRE8xj2ct3WhKEeP0QZX+k6EI41FIwsMpHSpFs2Ml0/5bCFlrfLJ+1IF+R1MpvVRe4qP bV5gO5FrDbw7c+cCRxui8nrKO6LsBLPVzUOcca4qV0QmIVTp6msi9Vz4hGwi9BgY0lFTWSg4McnWy oBNvszDUBiaoYovlPIA3nOU6WL2cAswyTvKVqzb1e/3SRVlmr9XjTTojFvkd31GnbJ3XRjB0kT0uu tU/Tr+Yg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sUp1x-00000003090-1qn6; Fri, 19 Jul 2024 14:56:21 +0000 Received: from dfw.source.kernel.org ([139.178.84.217]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sUp1a-0000000302S-1O4m for linux-arm-kernel@lists.infradead.org; Fri, 19 Jul 2024 14:55:59 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 1623F61CBB; Fri, 19 Jul 2024 14:55:57 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C7259C32782; Fri, 19 Jul 2024 14:55:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1721400956; bh=lu59uYU0WnGy1qbfbU5Y7HhfciugVzMFGwazTtthuG0=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=b3vnIZ8md2riZL4osy/8UIw3DsJmyGnM2np2usW2hiUWasZcYLG/82gGHNpHo/oRt wTCW9+NuJVhNQh5131NeAPKjoIJLQOeXLEw8vPfdiCGWXXpf4xqXm+uz5HLjU1RSGC QctOByYGuZdlTbsCtuq4AIbwUMHejW60vK3kMInVPZp9Q3QdCXTj6rJriTIUC9enR9 4ich4P54IucgLtiQT/L09Xk7aN/PiP5s3o7v/5Mi9iKPKRNsshlvNQ30g1AoVpipBH HQMHhTYpE+j4sbmBQtrLUSu9SFR166ln3GOgvVCFDqj/34N655JZNhkJf1t0FIQziG 4aT4dJWneA4GA== Date: Fri, 19 Jul 2024 15:55:50 +0100 From: Conor Dooley To: Ayush Singh Cc: jkridner@beagleboard.org, robertcnelson@beagleboard.org, "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Nishanth Menon , Vignesh Raghavendra , Tero Kristo , Johan Hovold , Alex Elder , Greg Kroah-Hartman , greybus-dev@lists.linaro.org, netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH 1/3] dt-bindings: net: ti,cc1352p7: Add boot-gpio Message-ID: <20240719-scuttle-strongbox-e573441c45e6@spud> References: <20240719-beagleplay_fw_upgrade-v1-0-8664d4513252@beagleboard.org> <20240719-beagleplay_fw_upgrade-v1-1-8664d4513252@beagleboard.org> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="tlfsPXEPQCAYZx+O" Content-Disposition: inline In-Reply-To: <20240719-beagleplay_fw_upgrade-v1-1-8664d4513252@beagleboard.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240719_075558_669693_64E8BBAB X-CRM114-Status: GOOD ( 17.57 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org --tlfsPXEPQCAYZx+O Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Jul 19, 2024 at 03:15:10PM +0530, Ayush Singh wrote: > boot-gpio (along with reset-gpio) is used to enable bootloader backdoor > for flashing new firmware. >=20 > The pin and pin level to enabel bootloader backdoor is configed using > the following CCFG variables in cc1352p7: > - SET_CCFG_BL_CONFIG_BL_PIN_NO > - SET_CCFG_BL_CONFIG_BL_LEVEL >=20 > Signed-off-by: Ayush Singh > --- > Documentation/devicetree/bindings/net/ti,cc1352p7.yaml | 4 ++++ > 1 file changed, 4 insertions(+) >=20 > diff --git a/Documentation/devicetree/bindings/net/ti,cc1352p7.yaml b/Doc= umentation/devicetree/bindings/net/ti,cc1352p7.yaml > index 3dde10de4630..a3511bb59b05 100644 > --- a/Documentation/devicetree/bindings/net/ti,cc1352p7.yaml > +++ b/Documentation/devicetree/bindings/net/ti,cc1352p7.yaml > @@ -29,6 +29,9 @@ properties: > reset-gpios: > maxItems: 1 > =20 > + boot-gpios: > + maxItems: 1 I think this needs a description that explains what this is actually for, and "boot-gpios" is not really an accurate name for what it is used for IMO. > + > vdds-supply: true > =20 > required: > @@ -46,6 +49,7 @@ examples: > clocks =3D <&sclk_hf 0>, <&sclk_lf 25>; > clock-names =3D "sclk_hf", "sclk_lf"; > reset-gpios =3D <&pio 35 GPIO_ACTIVE_LOW>; > + boot-gpios =3D <&pio 36 GPIO_ACTIVE_LOW>; > vdds-supply =3D <&vdds>; > }; > }; >=20 > --=20 > 2.45.2 >=20 --tlfsPXEPQCAYZx+O Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQRh246EGq/8RLhDjO14tDGHoIJi0gUCZpp+dgAKCRB4tDGHoIJi 0ufpAP0f3kcaznt6hfqRUwiDVHor4R4fAC6j0mhDnFjYlGqewwEAq4wwM2CjagGN SdeYmNNys2KCWxRyuranV+JMANipHgk= =O52J -----END PGP SIGNATURE----- --tlfsPXEPQCAYZx+O--