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 8CAECC54F51 for ; Wed, 29 Jul 2026 10:22:39 +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:Content-Type: Content-Transfer-Encoding:MIME-Version:References:In-Reply-To:Message-ID:Date :Subject:Cc:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=X0Ou3cti2nZ+lei7jUHnYP6r65E3olkMwoazGqJ6vwo=; b=ExmIvgwjfZ2u1V+JgZuBQGasHB gzkr+4U2UK8kkEPoJTiJbKRf41WN5eqakK+rzUHIE55OodQjzhOQ3lThbIIZbOewnExGAZ8DyN1AW YlTM1WggSqhd+nW7191v9kLuZDu3B7bsY1ObrLtOXg5cKm8lUcANJ2Q/yioV2sd+FL3o1tokb8dh2 ttGrRaqtFo8my5iYK6FyeQo9we/3QN2tIiMbZJb5htjjdEnVS2ZN/rQeUI2Wdq/dgz25bJ0hV1qkU sXgN3nQ35e+4dKNeZ0R9/ZCCXtR16gY0Mm1Habi8zCfwHH2q5gyMgzQYCv9EUroX+7SegxeAP+bE/ skqENkbQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wp1Qh-00000007X1M-2gbA; Wed, 29 Jul 2026 10:22:27 +0000 Received: from gloria.sntech.de ([185.11.138.130]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wp1Qe-00000007X0h-1uma; Wed, 29 Jul 2026 10:22:26 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sntech.de; s=gloria202408; h=Content-Type:Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Reply-To; bh=X0Ou3cti2nZ+lei7jUHnYP6r65E3olkMwoazGqJ6vwo=; b=WzlDx4SjVZV00n9O2n9t83GIN7 4Py9ad600bdDcgR1nKuMH8N9BS3EqooCtm0SHmDk3U1dxoWmIKkhnm9aBI+UvwjDY/kGaZYCku//M TwHfxg/YTGBkNNoKWZNnhGpd/4GTPySagtPwCLD4OFBZFV/qc7b9UtlFlTrI1vPMTV5ZkRbW5XzHR af6duw8MrX1Ohw1xgLMDQz1CPKTIz/kbJX4vAAbvJpD6JX6raOEJqcVLyqY+/IqjkRaSHtCfpKulj 4e4h/ljmMkkkC9ILsikLCIEAXAA56JtMOidBPo/RXvAV1jRiNX6IXtLj/8f1UP/BvU+kCAmedZ/qu TBwqLPDQ==; From: Heiko =?UTF-8?B?U3TDvGJuZXI=?= To: hugo@ahdrone.com, Linus Walleij Cc: linux-gpio@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Dmitry Yashin , Luca Ceresoli , Jonas Karlman Subject: Re: [PATCH 0/3] pinctrl: rockchip: add support for RK3308B SoC Date: Wed, 29 Jul 2026 12:22:19 +0200 Message-ID: <5689456.tWeucmBOSa@diego> In-Reply-To: References: <20260717075918.1869879-1-hugo@ahdrone.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260729_032224_510848_FA86129E X-CRM114-Status: GOOD ( 12.84 ) 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 Am Samstag, 25. Juli 2026, 00:13:39 Mitteleurop=C3=A4ische Sommerzeit schri= eb Linus Walleij: > On Fri, Jul 17, 2026 at 9:59=E2=80=AFAM Hugo VALTIER w= rote: >=20 > > The RK3308B is a silicon revision of the RK3308 with a different iomux > > register layout: several pins (GPIO2_A2, GPIO2_A3, GPIO2_C0, GPIO3_B2, > > GPIO3_B3) gained 3-bit mux fields in new GRF registers that override > > the original 2-bit fields. I believe the bootloader enables the new > > registers via the sel_src_ctrl bits, after which the kernel's writes > > to the old iomux registers are silently ignored. Whatever the exact > > mechanism, on RK3308B boards (e.g. current Radxa ROCK Pi S revisions) > > SPI1, I2C3 and other peripherals on the affected pins are > > non-functional without this series. > > > > This is a continuation of Dmitry Yashin's series from 2024 [1], which > > was never resubmitted after review and got dropped. Following the >=20 > No reactions for a week so patches applied. =46or the record, looks good. Too late for the git history, but nevertheless Reviewed-by: Heiko Stuebner Heiko